CN105027620A

CN105027620A - Method for switchover, user equipment, base station, and access point

Info

Publication number: CN105027620A
Application number: CN201380003773.9A
Authority: CN
Inventors: 戴明增; 曾清海; 张宏平
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-12-27
Filing date: 2013-12-27
Publication date: 2015-11-04
Anticipated expiration: 2033-12-27
Also published as: CN105027620B; WO2015096133A1

Abstract

Provided in embodiments of the present invention are a method for switchover, a user equipment, a base station, and an access point (AP), allowing for implementation of AP switchover controlled or auxiliarly controlled by a base station. The method comprises: a user equipment (UE) receives a first base service set (BSS) list transmitted by a base station, where the first BSS list comprises at least one BSS identification determined by the base station for the UE to switch over; the UE determines a target AP on the basis of the first BSS list; and, the UE switches over from a currently connected source AP to the target AP. The embodiments of the present invention allow for implementation AP switchover controlled or auxiliarly controlled by a base station, and allow a UE to switch over to a better target AP as determined with base station participation, thus improving user experience.

Description

METHOD FOR SWITCHOVER, USER EQUIPMENT, BASE STATION, AND ACCESS POINT

Method, user equipment, base station and the access point technical field of switching

The present invention relates to wireless communication field, and the method more particularly, to switching, user equipment, base station and access point.Background technology

With the development of mobile Internet, the requirement more and more higher of the service quality that can be provided cellular communication system and network speed.Although Long Term Evolution（Long Term Evolution,) and follow-up LTE-A wireless communication technologys can provide considerable air interface transmission speed LTE, but in the epoch of mobile Internet, in face of the data traffic of explosive growth, interface-free resources it is abundance by very big test.The network congestion caused for reply data sharp increase, operator must increase the quantity of network base station to improve handling capacity, and this can increase the investment in equipment and maintenance cost of operator.WLAN（Wireless Local Access Network, WLAN) as a kind of wireless access technology have link data rates high, the low advantage of equipment investment cost provides possible scheme for the above-mentioned contradiction that solves operator.

WLAN is the wireless of LAN, and it enables users to break away from the constraint of netting twine, can easily be accessed under various scenes and use network.Wireless Fidelity（Wireless Fidelity, WiFi) as a kind of WLAN form, generally by access point（Access Point, AP) and work station（Station, STA) composition.Access point AP is responsible for providing network insertion to STA, while being also the tie point between WLAN and legacy network.Current AP switching only considers the factor of wlan network, and the factor of beehive network system is not considered, therefore is not particularly suited for providing the scene of service to UE simultaneously for cellular network and wlan network.The content of the invention

The embodiment of the present invention provides a kind of method of switching, user equipment, base station and access point, can realize the AP switchings by base station control or auxiliary control.

First aspect there is provided a kind of switching method, including：User equipment (UE) receives the first Basic Service Set BSS lists that base station is sent, and the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined；The UE determines target access AP according to the first BSS lists;The UE switches to the target AP from the source AP currently connected.

With reference in a first aspect, in the first implementation of first aspect, methods described also includes：Institute State UE and receive the 2nd BSS lists that the source AP is sent, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined, the 2nd BSS lists determine the target AP with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

With reference to first aspect and its above-mentioned implementation, in second of implementation of first aspect, methods described also includes：The UE sends the 2nd BSS lists to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 2nd BSS lists and the base station.

With reference to first aspect and its above-mentioned implementation, in the third implementation of first aspect, the UE determines target AP according to the first BSS lists, including：When the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the signal quality that the UE identifies corresponding AP according to BSS in the common factor determines the target AP in the common factor;Or when the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, AP corresponding according to BSS marks in the first BSS lists UE signal quality determines the target AP in the first BSS lists;Or APs of the UE according to corresponding to being identified BSS in the first BSS lists signal quality determines the target AP in the first BSS lists.

With reference to first aspect and its above-mentioned implementation, in the 4th kind of implementation of first aspect, methods described also includes：The UE determines to carry out AP switchings；The UE sends the 3rd BSS lists to the source AP, and in order to which the source AP determines the 2nd BSS lists according to the 3rd BSS lists, the 3rd BSS lists include at least one BSS marks for the confession UE switchings that the UE is determined.

With reference to first aspect and its above-mentioned implementation, in the 5th kind of implementation of first aspect, the UE sends the 3rd BSS lists to the source AP, including：The UE sends handover management query messages to the source AP, and the handover management query messages include：The 3rd BSS lists and the UE initiate the switch reasons of the AP switchings；Wherein, the switch reasons are comprising at least one of following：The signal quality of the source AP is less than predetermined threshold；The service quality QoS of the source AP is less than predetermined threshold；The UE has found that signal quality is higher than the AP of the source AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the source AP.

With reference to first aspect and its above-mentioned implementation, in the 6th kind of implementation of first aspect, methods described also includes：The UE closes the BSS switching capabilities of the UE according to the instruction of the base station；The UE and the source AP set up when be connected to the source AP indicate the UE do not support AP participate in or control AP switchings, in order to the UE under the control of the base station not via the source AP Complete AP switchings.

With reference to first aspect and its above-mentioned implementation, in the 7th kind of implementation of first aspect, methods described also includes：The UE sends the corresponding BSS of the target AP to the source AP and/or the base station and identified.

With reference to first aspect and its above-mentioned implementation, in the 8th kind of implementation of first aspect, the BSS is designated the corresponding AP of BSS MAC address.

With reference to first aspect and its above-mentioned implementation, in the 9th kind of implementation of first aspect, the local policy of the base station includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

Second aspect there is provided a kind of switching method, including：Base station determines the first Basic Service Set BSS lists, at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station；The base station sends the first BSS lists to the UE, and in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

With reference to second aspect, in the first implementation of second aspect, methods described also includes：The base station receives the 2nd BSS lists that the UE is sent, the source AP that wherein described second BSS lists are currently connected by the UE is sent to the UE, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined, the 2nd BSS lists determine the target AP with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

With reference to second aspect and its above-mentioned implementation, in second of implementation of second aspect, the base station determines the first BSS lists, including：The base station determines the first BSS lists according to the local policy of the 2nd BSS lists and the base station.

With reference to second aspect and its above-mentioned implementation, in the third implementation of second aspect, when the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the first BSS lists and the 2nd BSS lists are used for the UE and the target AP are determined in the common factor according to the corresponding AP of BSS marks in common factor signal quality;Or when the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, the signal quality that the first BSS lists are used for APs of the UE according to corresponding to being identified BSS in the first BSS lists determines the target AP in the first BSS lists;Or AP of the first BSS lists for the UE according to corresponding to being identified BSS in the first BSS lists signal quality determines the target AP in the first BSS lists. With reference to second aspect and its above-mentioned implementation, in the 4th kind of implementation of second aspect, methods described also includes：The base station indicates that the UE closes BSS switching capabilities, in order to which the UE completes AP switchings under the control of the base station not via the source AP；Or the base station indicates that the source AP closes BSS switching capabilities, in order to which the UE completes AP switchings under the control of the base station not via the source AP.With reference to second aspect and its above-mentioned implementation, in the 5th kind of implementation of second aspect, the base station is sent to the UE after the first BSS lists, in addition to：Receive the basic service set identification BSS ID for the target AP that the UE is sent.

With reference to second aspect and its above-mentioned implementation, method also includes described in the 6th kind of implementation of second aspect：The base station receives the corresponding BSS marks of the target AP that the UE is sent.

With reference to second aspect and its above-mentioned implementation, in the 7th kind of implementation of second aspect, the BSS is designated the corresponding AP of BSS MAC address.

The third aspect there is provided a kind of switching method, including：Source access point AP receives the first Basic Service Set BSS lists that base station is sent, and the first BSS lists include at least one BSS marks for the confession user equipment (UE) switching that the base station is determined, the source AP is the AP that the UE is currently connected;The source AP determines the 2nd BSS lists according to the first BSS lists, and the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined；The source AP sends the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and switches to the target AP from the source AP.

With reference to the third aspect, in the first implementation of the third aspect, methods described also includes：The source AP receives the 3rd BSS lists that the UE is sent, and the 3rd BSS lists are comprising described

At least one BSS marks for the confession UE switchings that UE is determined, the 3rd BSS lists determine the 2nd BSS lists for the source AP with reference to the first BSS lists.

With reference to the third aspect and its above-mentioned implementation, in second of implementation of the third aspect, the source AP determines the 2nd BSS lists according to the first BSS lists, including：When the first BSS lists and the 3rd BSS lists, which exist, occurs simultaneously, the source AP is according to determination the 2nd BSS lists of occuring simultaneously；Or when the first BSS lists and the 3rd BSS lists are not present and occured simultaneously, the source AP determines the 2nd BSS lists according to the first BSS lists.

With reference to the third aspect and its above-mentioned implementation, in the third implementation of the third aspect, methods described also includes：The source AP determines the 4th BSS lists according to the 3rd BSS lists, and the 4th BSS lists include at least one BSS marks for the confession UE switchings that the AP is determined；The source AP sends the 4th BSS lists to the base station, in order to which the base station is according to described the The local policy of four BSS lists and the base station determines the first BSS lists.

With reference to the third aspect and its above-mentioned implementation, in the 4th kind of implementation of the third aspect, the source AP sends the 2nd BSS lists to the UE, including：The source AP sends handover management request message to the UE, and the handover management request message includes：The 2nd BSS lists and the UE initiate the switch reasons of the AP switchings；Wherein, the switch reasons are comprising at least one of following：The signal quality of the source AP is less than predetermined threshold；The service quality QoS of the source AP is less than predetermined threshold；The UE has found that signal quality is higher than the AP of the source AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the source AP.

With reference to the third aspect and its above-mentioned implementation, in the 5th kind of implementation of the third aspect, methods described also includes：The source AP receives the corresponding BSS marks of the target AP for the UE determinations that the UE is sent.

With reference to the third aspect and its above-mentioned implementation, in the 6th kind of implementation of the third aspect, the BSS is designated the corresponding AP of BSS MAC address.

With reference to the third aspect and its above-mentioned implementation, in the 7th kind of implementation of the third aspect, the local policy of the base station includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

Fourth aspect there is provided a kind of switching method, including：Base station determines the first Basic Service Set BSS lists, wherein at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station；The base station sends the first BSS lists to the UE source access point AP currently connected, in order to which the source AP determines the 2nd BSS lists according to the first BSS lists and sends the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and the target AP is switched to from the source AP, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

With reference to fourth aspect, in the first implementation of fourth aspect, methods described also includes：The base station receives the 4th BSS lists that the source AP is sent, and the 4th BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

With reference to fourth aspect and its above-mentioned implementation, in second of implementation of fourth aspect, the base station determines the first Basic Service Set BSS lists, including：The first BSS lists are determined according to the local policy of the 4th BSS lists and the base station.

With reference to fourth aspect and its above-mentioned implementation, in the third implementation of fourth aspect, the base station determines the first Basic Service Set BSS lists, including：Determined according to the local policy of the base station The first BSS lists.

With reference to fourth aspect and its above-mentioned implementation, in the 4th kind of implementation of fourth aspect, the 2nd BSS lists are what the source AP was determined according to the first BSS lists；Or the 2nd BSS lists are that the source AP determines that at least one BSS switched for the UE is identified according to the common factor of the first BSS lists and the 3rd BSS lists.

With reference to fourth aspect and its above-mentioned implementation, in the 5th kind of implementation of fourth aspect, methods described also includes：The base station receives the corresponding BSS marks of the target AP for the UE determinations that the UE is sent.

With reference to fourth aspect and its above-mentioned implementation, in the 6th kind of implementation of fourth aspect, the BSS is designated the corresponding AP of BSS MAC address.

There is provided a kind of user equipment in terms of 5th, including：Receiving unit, the first Basic Service Set BSS lists for receiving base station transmission, the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined；Determining unit, for determining target access AP according to the first BSS lists;Switch unit, for switching to the target AP from the source AP currently connected.

With reference to the 5th aspect, in the first implementation of the 5th aspect, the receiving unit is additionally operable to：Receive the 2nd BSS lists that the source AP is sent, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined, the 2nd BSS lists determine the target AP with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

With reference to the 5th aspect and its above-mentioned implementation, in second of implementation of the 5th aspect, the user equipment also includes transmitting element, and the transmitting element is used for：The 2nd BSS lists are sent to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 2nd BSS lists and the base station.

With reference to the 5th aspect and its above-mentioned implementation, the 5th aspect the third implementation in, the determining unit specifically for：When the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the signal quality that ^ identifies corresponding AP according to BSS in the common factor determines the target AP in the common factor;Or when the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, the AP corresponding according to BSS marks in the first BSS lists signal quality determines the target AP in the first BSS lists;Or according to corresponding to being identified BSS in the first BSS lists AP signal quality determines the target AP in the first BSS lists.

With reference to the 5th aspect and its above-mentioned implementation, in the 4th kind of implementation of the 5th aspect, the determining unit is additionally operable to：The UE determines to carry out AP switchings；The transmitting element is additionally operable to, the 3rd BSS lists are sent to the source AP, in order to which the source AP determines the 2nd BSS lists according to the 3rd BSS lists, the 3rd BSS lists include at least one BSS marks for the confession UE switchings that the UE is determined.

With reference to the 5th aspect and its above-mentioned implementation, the 5th aspect the 5th kind of implementation in, the transmitting element specifically for：Handover management query messages are sent to the source AP, the handover management query messages include：The 3rd BSS lists and the UE initiate the switch reasons of the AP switchings；Wherein, the switch reasons are comprising at least one of following：The signal quality of the source AP is less than predetermined threshold；The service quality QoS of the source AP is less than predetermined threshold；The UE has found that signal quality is higher than the AP of the source AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the source AP.

With reference to the 5th aspect and its above-mentioned implementation, in the 6th kind of implementation of the 5th aspect, the user equipment also includes switching capability unit, and the switching capability unit is used for：The AP switching capabilities of the UE are closed according to the instruction of the base station；The AP switchings for not supporting AP to participate in or control to the source AP instructions UE when being connected are set up with the source AP, are switched in order to which the UE completes AP under the control of the base station not via the source AP.

With reference to the 5th aspect and its above-mentioned implementation, in the 7th kind of implementation of the 5th aspect, the transmitting element is additionally operable to：The corresponding BSS marks of the target AP are sent to the source AP and/or the base station.

With reference to the 5th aspect and its above-mentioned implementation, in the 8th kind of implementation of the 5th aspect, the transmitting element is additionally operable to：The basic service set identification BSS ID of the target AP are sent to the source AP and/or the base station.

With reference to the 5th aspect and its above-mentioned implementation, in the 9th kind of implementation of the 5th aspect, the local policy of the base station includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

With reference to the 5th aspect and its above-mentioned implementation, in the tenth kind of implementation of the 5th aspect, the BSS is designated the corresponding AP of BSS MAC address.

There is provided a kind of base station in terms of 6th, including：Determining unit, for determining the first Basic Service Set BSS lists, the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station At least one BSS mark；Transmitting element, for sending the first BSS lists to the UE, in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

With reference to the 6th aspect, in the first implementation of the 6th aspect, the base station also includes receiving unit, and the receiving unit is used for：Receive the 2nd BSS lists that the UE is sent, the source AP that wherein described second BSS lists are currently connected by the UE is sent to the UE, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined, the 2nd BSS lists determine the target AP with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

With reference to the 6th aspect and its above-mentioned implementation, the 6th aspect second of implementation in, the determining unit specifically for：The first BSS lists are determined according to the local policy of the 2nd BSS lists and the base station.

With reference to the 6th aspect and its above-mentioned implementation, in the third implementation of the 6th aspect, when the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the signal quality that the first BSS lists and the 2nd BSS lists are used to identify corresponding AP according to BSS in the common factor for the UE determines the target AP in the common factor;Or when the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, the first BSS lists are used to determine the target AP in the first BSS lists for AP corresponding according to BSS marks in the first BSS lists UE signal quality;Or AP of the first BSS lists for the UE according to corresponding to being identified BSS in the first BSS lists signal quality determines the target AP in the first BSS lists.

With reference to the 6th aspect and its above-mentioned implementation, in the 4th kind of implementation of the 6th aspect, the transmitting element is additionally operable to：Indicate that the UE closes AP switching capabilities, in order to which the UE completes AP switchings under the control of the base station not via the source AP；Or indicate that the source AP closes AP switching capabilities, in order to which the UE completes AP switchings under the control of the base station not via the source AP.With reference to the 6th aspect and its above-mentioned implementation, in the 5th kind of implementation of the 6th aspect, the receiving unit is additionally operable to：Receive the basic service set identification BSS ID for the target AP that the UE is sent.

With reference to the 6th aspect and its above-mentioned implementation, in the 6th kind of implementation of the 6th aspect, the receiving unit is additionally operable to：Receive the corresponding BSS marks of the target AP that the UE is sent.

With reference to the 6th aspect and its above-mentioned implementation, in the 7th kind of implementation of the 6th aspect, the BSS is designated the corresponding AP of BSS MAC address. There is provided a kind of access point in terms of 7th, including：Receiving unit, the first Basic Service Set BSS lists for receiving base station transmission, at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station, described access point AP is the AP that the UE is currently connected;Determining unit, for determining the 2nd BSS lists according to the first BSS lists, the first BSS lists include at least one BSS marks for the confession UE switchings that the determining unit is determined；Transmitting element, for sending the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and switches to the target AP from the UE AP currently connected.

With reference to the 7th aspect, in the first implementation of the 7th aspect, the receiving unit is additionally operable to：Receive the 3rd BSS lists that the UE is sent, the 3rd BSS lists include at least one BSS marks for the confession UE switchings that the UE is determined, the 3rd BSS lists determine the 2nd BSS lists for the determining unit with reference to the first BSS lists.

With reference to the 7th aspect and its above-mentioned implementation, the 7th aspect second of implementation in, the determining unit specifically for：When the first BSS lists and the 3rd BSS lists, which exist, occurs simultaneously, according to determination the 2nd BSS lists of occuring simultaneously；Or when the first BSS lists and the 3rd BSS lists are not present and occured simultaneously, the 2nd BSS lists are determined according to the first BSS lists.

With reference to the 7th aspect and its above-mentioned implementation, in the third implementation of the 7th aspect, the determining unit is additionally operable to：4th BSS lists are determined according to the 3rd BSS lists, the 4th BSS lists include at least one BSS marks for the confession UE switchings that the determining unit is determined；The transmitting element is additionally operable to：The 4th BSS lists are sent to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 4th BSS lists and the base station.

With reference to the 7th aspect and its above-mentioned implementation, the 7th aspect the 4th kind of implementation in, the transmitting element specifically for：Handover management request message is sent to the UE, the handover management request message includes：The 2nd BSS lists and the UE initiate the switch reasons of the AP switchings；Wherein, the switch reasons are comprising at least one of following：The signal quality of the AP is less than predetermined threshold；The service quality QoS of the AP is less than predetermined threshold；The UE has found that signal quality is higher than the AP of the AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the AP.

With reference to the 7th aspect and its above-mentioned implementation, in the 5th kind of implementation of the 7th aspect, the receiving unit is additionally operable to：Receive the target AP correspondences for the UE determinations that the UE is sent BSS mark.

With reference to the 7th aspect and its above-mentioned implementation, in the 6th kind of implementation of the 7th aspect, the BSS is designated the corresponding AP of BSS MAC address.

With reference to the 7th aspect and its above-mentioned implementation, in the 7th kind of implementation of the 7th aspect, the local policy of the base station includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

Eighth aspect there is provided a kind of base station, including：Determining unit, for determining the first Basic Service Set BSS lists, wherein at least one BSS that the first BSS lists include the confession user equipment (UE) switching determined by the determining unit is identified；Transmitting element, source access point AP for currently being connected to the UE sends the first BSS lists, in order to which the source AP determines the 2nd BSS lists according to the first BSS lists and sends the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and the source AP currently connected from the UE switches to the target AP, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

With reference to eighth aspect, in the first implementation of eighth aspect, the base station also includes receiving unit, and the receiving unit is used for：The 4th BSS lists that the source AP is sent are received, wherein, the 4th BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

With reference to eighth aspect and its above-mentioned implementation, in second of implementation of eighth aspect, the determining unit specifically for：The first BSS lists are determined according to the local policy of the 4th BSS lists and the base station.

With reference to eighth aspect and its above-mentioned implementation, in the third implementation of eighth aspect, the determining unit specifically for：The first BSS lists are determined according to the local policy of the base station.

With reference to eighth aspect and its above-mentioned implementation, in the 4th kind of implementation of eighth aspect, the 2nd BSS lists are what the source AP was determined according to the first BSS lists；Or the 2nd BSS lists are that the source AP determines that at least one BSS that the fixed confession UE switches is identified according to the common factor of the first BSS lists and the 3rd BSS lists.

With reference to eighth aspect and its above-mentioned implementation, in the 5th kind of implementation of eighth aspect, the receiving unit is additionally operable to：Receive the corresponding BSS marks of the target AP for the UE determinations that the UE is sent.

With reference to eighth aspect and its above-mentioned implementation, in the 6th kind of implementation of eighth aspect, institute State the MAC address that BSS is designated the corresponding AP of the BSS.

The embodiment of the present invention provides a kind of method of switching, user equipment, base station and access point, the AP switchings by base station control or auxiliary control can be realized, so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, cylinder will be made to the required accompanying drawing used in the embodiment of the present invention below singly to introduce, apparently, drawings described below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic network structure of Cellular Networks/WLAN of one embodiment of the invention.Fig. 2 is the flow chart of the switching method of one embodiment of the invention.

Fig. 3 is the flow chart of the switching method of one embodiment of the invention.

Fig. 4 is the flow chart of the switching method of one embodiment of the invention.

Fig. 5 is the flow chart of the switching method of one embodiment of the invention.

Fig. 6 is the interaction figure of the switching method of one embodiment of the invention.

Fig. 7 is the interaction figure of the switching method of another embodiment of the present invention.

Fig. 8 is the interaction figure of the switching method of another embodiment of the present invention.

Fig. 9 is the interaction figure of the switching method of another embodiment of the present invention.

Figure 10 is the schematic block diagram of the user equipment of one embodiment of the invention.

Figure 11 is the schematic block diagram of the base station of one embodiment of the invention.

Figure 12 is the schematic block diagram of the access point of one embodiment of the invention.

Figure 13 is the schematic block diagram of the base station of one embodiment of the invention.

Figure 14 is the schematic block diagram of the user equipment of another embodiment of the present invention.

Figure 15 is the schematic block diagram of the base station of another embodiment of the present invention.

Figure 16 is the schematic block diagram of the access point of another embodiment of the present invention.

Figure 17 is the schematic block diagram of the base station of another embodiment of the present invention.

Figure 18 is the flow chart of the switching method of one embodiment of the invention.

Figure 19 is the flow chart of the switching method of another embodiment of the present invention.

Figure 20 is the schematic block diagram of the device of one embodiment of the invention.

Figure 21 is the schematic block diagram of the device of another embodiment of the present invention. Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made should all belong to the scope of protection of the invention.

Technical scheme, can apply to various cellular communication systems, for example：Global system for mobile communications（GSM, Global System of Mobile communication), CDMA（CDMA, Code Division Multiple Access) system, WCDMA（WCDMA, Wideband Code Division Multiple Access Wireless), GPRS（GPRS, General Packet Radio Service), Long Term Evolution (LTE, Long Term Evolution) etc..

User equipment（UE, User Equipment), also referred to as mobile terminal（Mobile Terminal), mobile subscriber equipment etc. can be through wireless access network（For example, RAN, Radio Access Network) communicated with one or more core nets, user equipment can be mobile terminal, such as mobile phone（Or be " honeycomb " phone）With the computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.

Base station, can be the base station in GSM or CDMA（BTS, Base Transceiver Station), can also be the base station in WCDMA（), NodeB it can also be the evolved base station in LTE（ENB or e-NodeB, evolutional Node B), the present invention is not limited, but for convenience of description, following embodiments are illustrated by taking eNB as an example.

In embodiments of the present invention, in order to which the data to base station are shunted, it is necessary to set wireless local network connecting point in the communication system of the present invention（Wireless Local Area Network Access Point, WLAN AP), also, the wireless local network connecting point, can be for example, Wireless Fidelity（Wireless Fidelity, WiFi) in access point, the present invention do not limit.Hereinafter, for the ease of understanding and illustrating, cylinder claims AP.

Fig. 1 is the schematic network structure of the Cellular Networks combining wireless LAN of one embodiment of the invention.As shown in figure 1, user equipment (UE) can receive Cellular Networks simultaneously（Base station）With WLAN (AP) service, base station as WLAN shunt anchor point.As UE in Cellular Networks in wireless heterogeneous networks connection status（RRC_CONNECTED) and when being associated with WLAN access points, inter-system carrier aggregation CA (carrier aggregation) is carried out equivalent in Cellular Networks and WLAN.And base station and AP it Between can use general packet wireless service tunnel protocol（GTP, General Packet Radio Service Tunnelling Protocol) communication mode, communicated（Specifically, it is the data of transmission shunting, and is controlled the interaction of signaling, for example, controls UE to carry out AP switchings）.Specifically, in UE, it can be provided for realizing the protocol stack of the wireless LAN communication, for example, WiFi protocol stacks.Because UE and AP uses wireless LAN communication mode, the running time-frequency resource that running time-frequency resource communication between UE and base station that the wireless LAN communication mode is used is used is different, thus, it is possible to realize the shunting to base station.In a base station, it can be provided for realizing the data processing protocol stack with communicating between the user equipment in base station side, and for being realized and the protocol stack of the data processing communicated between the WLAN AP in base station side.Then, the base station can carry out the transmission of data or control signaling by the WLAN AP and the user equipment via the GTP tunnel.

Fig. 2 is the flow chart of the switching method of one embodiment of the invention.Fig. 2 method is performed by user equipment (UE).

101, user equipment (UE) receives the first Basic Service Set BSS lists that base station is sent, wherein at least one BSS marks for the confession UE switchings that the first BSS lists are determined comprising base station.

102, UE determine target access AP according to the first BSS lists.

103, UE switch to target AP from the source AP currently connected.

The embodiment of the present invention aids in controlling UE AP to switch by base station so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

It should be understood that Basic Service Set（Basic Service Set, BSS) be wlan network a basic module, generally by an access point AP and multiple work stations（Station, STA) composition.Extended service set（Extended Service set, ESS) it is made up of multiple BSS.Wherein, each BSS has unique mark（Identity, ID), i.e. BSS ID or BSS marks, because BSS generally has an access point AP, therefore BSS marks are usually access point AP mark, for example, can be AP medium education（Media Access Control, MAC) address.

It should also be understood that for wlan network, network-side service equipment is AP, user side terminal device is STA, and for mobile cellular net, network-side service equipment is base station, and that equipment of user's lateral terminal is UE.In the heterogeneous network scene that the WLAN and mobile cellular network of the embodiment of the present invention are constituted, user side terminal device is properly termed as UE or STA, can receive the service of two networks, describe for convenience, hereafter referred to collectively as UE.

It should also be understood that the first BSS lists comprising base station determine confession UE switch at least one

BSS is identified, and at least one BSS marks can be carried by specific downstream message, be sent to UE. When the BSS provided in base station is identified with multiple, i.e. when the first BSS lists are identified comprising multiple BSS, UE needs therefrom to select a BSS mark to regard its corresponding AP as switching target.When a BSS mark is only provided in base station, i.e. when the first BSS lists are only identified comprising a BSS, the BSS is then identified corresponding AP and is defined as switching target by UE.When the first BSS lists are identified comprising multiple BSS, base station auxiliary control AP switchings；When the first BSS lists are only identified comprising a BSS, the leading control AP in base station switching.

Alternatively, as one embodiment, before step 102, in addition to：Receive the 2nd BSS lists of the source AP transmissions that UE is currently connected, wherein the 2nd BSS lists include at least one BSS marks of the source AP confession UE switchings determined, and the 2nd BSS lists determine target AP with reference to the first BSS lists or determine the first BSS lists for base station for UE.

That is, the AP that source AP, which is UE, to be currently connected to, and source AP and UE and other UE for being connected to source AP have collectively constituted current BSS.Source AP is likely to send the handover request message for carrying the 2nd BSS lists to UE under any circumstance, wherein the 2nd BSS lists are being identified as the corresponding BSS of candidate AP of switching target for UE determinations comprising active AP.Specifically, the BSS handover management request messages ^ that the 2nd BSS lists can be sent from source AP to UE is carried.

It should be understood that, first BSS lists are different with the determination main body of the 2nd BSS lists, respectively base station and source AP, the BSS marks that two BSS lists are included can be the same or different, be all as base station and source AP according to determined by respective local policy.Wherein, base station and the respective local policys of source AP can pre-set or the upper layer network element by base station and source AP issue.As an example, local policy can include following one or more：Choose service quality（Quality of Service, QoS) it is higher than the AP of threshold values;Choose the AP that signal quality is higher than threshold value;Choose load less than threshold value AP, wherein threshold value equally can be pre-set or by upper layer network element, such as base station controller, AP controllers（AP Controller, AC) etc., base station or source AP are handed down to, the present invention is not limited this.

Alternatively, as one embodiment, after the 2nd BSS lists for receiving the source AP transmissions that UE is currently connected, in addition to：UE sends the 2nd BSS lists to base station, in order to which base station determines the first BSS lists according to the local policy of the 2nd BSS lists and base station.That is, UE receives the handover management request message that source AP is sent, handover management request can include above-mentioned 2nd BSS lists.Then, the 2nd BSS lists can be passed to base station by UE so that base station is it is determined that it can be considered that the 2nd BSS lists determined by source AP during the first BSS lists.It should be understood that base station can choose some BSS to form the first BSS lists according to local policy in the 2nd BSS lists, can also be in the 2nd BSS lists While selection, some are additionally chosen again and meets local policy but be not included in the BSS in the 2nd BSS lists to form the first BSS lists, the present invention is not limited this.Specifically, above-mentioned handover management request message can be BSS handover management request messages.

Alternatively, as one embodiment, UE determines target AP according to the first BSS lists, including：When the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the signal quality that UE identifies corresponding AP according to BSS in common factor determines target AP in common factor；Or when the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, AP corresponding according to BSS marks in the first BSS lists UE signal quality determines target AP in the first BSS lists;Or APs of the UE according to corresponding to being identified BSS in the first BSS lists signal quality determines target AP in the first BSS lists.That is, when the first BSS lists and the 2nd BSS lists exist and occured simultaneously, AP in common factor is the preferably candidate target AP that base station and source AP are determined jointly, therefore UE can be by comparing the signal quality of the AP in occuring simultaneously, and it is target AP to determine the best AP of signal quality.When in the absence of occuring simultaneously, the first BSS lists that UE is provided advantageously according to base station determine target AP.The first BSS lists are formed when some BSS according to local policy are chosen in base station in the 2nd BSS lists, or while selection in the 2nd BSS lists, some are additionally chosen again to meet local policy but be not included in the BSS in the 2nd BSS lists to be formed during the first BSS lists, no matter the first BSS lists and the 2nd BSS lists are with the presence or absence of occuring simultaneously, UE determines target AP all in accordance with the first BSS lists that base station is provided.

Alternatively, UE determines target AP according to the first BSS lists, including：The signal quality that UE identifies corresponding AP according to BSS in the first BSS lists determines target AP in the first BSS lists.It should be understood that, when UE receives the 2nd BSS lists of source AP transmissions and the 2nd BSS lists are sent into base station, base station determines the first BSS lists according to the 2nd BSS lists and sends it to UE, therefore UE is it is determined that only need to consider the first BSS lists during target AP.

Alternatively, as one embodiment, the source AP that reception UE is currently connected is sent before the 2nd BSS lists, in addition to：UE determines to carry out AP switchings；UE sends the 3rd BSS lists to source AP, and in order to which source AP determines the 2nd BSS lists according to the 3rd BSS lists, the 3rd BSS lists include at least one BSS marks of the UE confession UE switchings determined.

UE can initiate AP switchings when detecting and needing to carry out AP switchings, and the reason for specific initiation AP switches can include at least one of following：Source AP signal quality is less than predetermined threshold；Source AP QoS is less than predetermined threshold；UE has found that signal quality is higher than source AP AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising signal quality higher than source AP.UE, which is determined, to be needed to carry out after AP switchings, and handover management query messages can be sent to source AP, and the message can be comprising UE voluntarily The 3rd BSS lists determined, the higher corresponding BSS marks of AP of signal quality that the 3rd BSS lists can be detected comprising UE.Alternatively, handover management query messages also include the switch reasons that UE initiates AP switchings, and wherein switch reasons are comprising at least one of following：Source AP signal quality is less than predetermined threshold；Source AP QoS is less than predetermined threshold；UE has found that signal quality is higher than source AP AP.Wherein threshold value can be pre-configured with, or be handed down to UE in advance by base station, and the present invention is not limited this.Specifically, the handover management query messages can be BSS handover management query messages.

Alternatively, as one embodiment, the BSS handover managements request message sent from source AP to UE is except including the 2nd BSS lists, in addition to following at least one：What source AP was determined forbids the BSS blacklists that UE switches；Switch reasons；The termination time that UE is connected with source AP.Wherein switch reasons can be that the UE that AP is received at UE initiates the switch reasons determined when switch reasons or the AP initiation switchings of AP switchings.Above- mentioned information included in BSS handover management request messages can be transmitted to base station by UE, in order to which base station determines BSS lists according to above- mentioned information.

Alternatively, as one embodiment, UE closes UE BSS switching capabilities according to the instruction of base station；UE sets up the BSS switchings for not supporting AP to participate in or control to source AP instructions UE when being connected with source AP, switches in order to which UE completes AP under the control of base station not via source AP.When base station determines to pass through WLAN shunt data, it can indicate that UE closes its BSS switching capability, UE closes BSS abilities after the instruction of base station is received, and indicate that its BSS for not supporting that AP is controlled switches to source AP when being connected with source AP foundation, so source AP is not involved in UE AP handoff procedures, realizes the AP switchings that base station is controlled completely.In addition, UE can be previously provided with base station control model, UE starts base station control model after the instruction of base station is received, and closes BSS switching capabilities.It should be understood that BSS switching capabilities mentioned here refer to the ability that UE carries out AP switchings in the case where AP is controlled completely.

Alternatively, as one embodiment, UE determines after target AP that method also includes according to the first BSS lists：UE sends the corresponding BSS of target AP to source AP and/or base station and identified.So that AP or base station are able to know that the AP to be switched to that UE is finally determined.

Alternatively, as one embodiment, the local policy of base station includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

Alternatively, as one embodiment, BSS is designated the corresponding AP of BSS MAC address.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station is sent by UE, wherein the first BSS lists include at least one BSS switched for UE;Mesh is determined according to the first BSS lists Mark AP;Target AP is switched to from the AP currently connected, realize base station auxiliary control UE AP switchings, such handoff procedure has considered WLAN systems and the factor of cellular network system, such as load, flow, so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Fig. 3 is the flow chart of the switching method of one embodiment of the invention.Fig. 3 method is performed by base station.

201, base station determines the first Basic Service Set BSS lists, wherein at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising base station.

202, base station sends the first BSS lists to UE, and in order to which UE determines target AP according to the first BSS lists, and the source AP currently connected from UE switches to target AP.

It should be understood that Basic Service Set（Basic Service Set, BSS) be wlan network a basic module, generally by an access point AP and multiple work stations（Station, STA) composition.Extended service set（Extended Service set, ESS) it is made up of multiple BSS.Wherein, each BSS has unique mark, i.e. BSS ID or BSS marks, because BSS generally has an access point

AP, therefore BSS marks are usually access point AP mark, i.e. AP medium education（ Media

Access Control, MAC) address.

It should also be understood that the first BSS lists include at least one BSS marks switched over for UE, at least one BSS marks can be carried by specific downstream message, be sent to UE.When the BSS provided in base station has multiple, i.e. when the first BSS lists are identified comprising multiple BSS, UE needs therefrom to select a BSS mark, and regard its corresponding AP as switching target.When only providing a BSS in base station, i.e. when the first BSS lists are only identified comprising a BSS, UE then identifies the BSS corresponding

AP is defined as switching target.

Alternatively, as one embodiment, also include before step 201：Base station receives the 2nd BSS lists that UE is sent, wherein the source AP that the 2nd BSS lists are currently connected by UE is sent to UE, the 2nd BSS lists include at least one BSS marks of the source AP confession UE switchings determined. That is, the AP that source AP, which is UE, to be currently connected to, and source AP and UE and other UE for being connected to source AP have collectively constituted current BSS.Source AP is likely to send the handover request message for carrying the 2nd BSS lists to UE under any circumstance, wherein the 2nd BSS lists are being identified as the corresponding BSS of candidate AP of switching target for UE determinations comprising active AP.Specifically, the BSS handover management request messages ^ that the 2nd BSS lists can be sent from source AP to UE is carried.

It should be understood that the first BSS lists are different with the determination main body of the 2nd BSS lists, respectively base station and source AP, the BSS that two BSS lists are included can be the same or different, be all as base station and source AP according to determined by respective local policy.Wherein, base station and the respective local policys of source AP can pre-set or the upper layer network element by base station and source AP issue.As an example, local policy can include following one or more：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose load less than threshold value AP, wherein threshold value equally can be pre-set or by upper layer network element, such as base station controller, AP controllers（AC, AP Controller) etc., base station or source AP are handed down to, the present invention is not limited this.

Alternatively, as one embodiment, step 201 includes：Base station determines the first BSS lists according to the local policy of the 2nd BSS lists and base station；Or base station determines the first BSS lists according to the local policy of base station.That is, after receiving the 2nd BSS lists that UE is sent in base station, it is considered to which the 2nd BSS lists and local policy determine the first BSS lists.Specifically, base station can choose some BSS to form the first BSS lists according to local policy in the 2nd BSS lists, choosing some and meet local policy but be not included in the BSS in the 2nd BSS lists to form the first BSS lists additionally while can also being chosen in the 2nd BSS lists, in addition base station directly can also determine the first BSS lists according to the local policy of base station, and the present invention is not limited this.Wherein, local policy can include following one or more：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;AP of the load less than threshold value is chosen, wherein threshold value pre-sets or is handed down to base station or source AP by upper layer network element.

Alternatively, as one embodiment, step 201 includes：First BSS lists are determined according to the local policy of base station.That is, in source, the 2nd BSS lists are sent to UE by AP, but the 2nd BSS lists are not transmitted in the embodiment of base station by UE, base station can determine the first BSS lists according only to local policy, the description of wherein local policy is referred to above-described embodiment, and here is omitted.

Alternatively, as one embodiment, when the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the first BSS lists and the 2nd BSS lists are used to determine target AP in common factor for AP corresponding according to BSS marks in common factor UE signal quality;Or when the first BSS lists and the 2nd BSS When common factor is not present in list, the signal quality that first BSS lists are used to identify corresponding AP according to BSS in the first BSS lists for UE determines target AP in the first BSS lists, the source AP that wherein the 2nd BSS lists are the BSS that UE is currently connected is sent to UE, and the 2nd BSS lists include at least one BSS marks of the source AP confession UE switchings determined.That is, when the first BSS lists and the 2nd BSS lists exist and occured simultaneously, it is the preferably candidate target AP that base station and source AP are determined jointly that BSS in common factor, which identifies corresponding AP, therefore UE can identify corresponding AP signal quality by the BSS compared in occuring simultaneously, determine the best AP of signal quality as target AP.When in the absence of occuring simultaneously, the first BSS lists that UE is provided advantageously according to base station determine target AP.

Alternatively, as one embodiment, base station indicates that UE closes BSS switching capabilities, in order to which UE completes AP switchings under the control of base station not via source AP；Or base station indicates that source AP closes BSS switching capabilities, in order to which UE completes AP switchings under the control of base station not via source AP.

Specifically, when base station determines to pass through WLAN shunt data, it can indicate that UE closes its BSS switching capability, UE closes BSS abilities after the instruction of base station is received, and indicate that its BSS for not supporting that AP is controlled switches to source AP when being connected with source AP foundation, so source AP is not involved in UE AP handoff procedures, realizes the AP switchings that base station is controlled completely.In addition, UE can be previously provided with base station control model, UE starts base station control model after the instruction of base station is received, and closes BSS switching capabilities.Or, base station can indicate that AP closes its BSS switching capability, AP closes BSS abilities after the instruction of base station is received, and indicate that its BSS for not supporting that AP is controlled switches to UE when AP is connected with UE foundation, so AP is not involved in UE AP handoff procedures, realizes the AP switchings that base station is controlled completely.It should be understood that BSS switching capabilities mentioned here refer to the ability that UE carries out AP switchings in the case where AP is controlled completely.

Alternatively, as one embodiment, after step 202, in addition to：Base station receives the corresponding BSS marks of target AP that UE is sent.That is UE is determined according to the first BSS lists after target AP, and target AP determination result can be reported to base station and/or source AP.

The embodiment of the present invention determines the first Basic Service Set BSS lists by base station, wherein the first BSS lists include at least one BSS switched for user equipment (UE);The first BSS lists are sent to UE, In order to which UE determines target AP according to the first BSS lists, and the AP currently connected from UE switches to target AP, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, such as load, flow, so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Fig. 4 is the flow chart of the switching method of one embodiment of the invention.Fig. 4 method is performed by AP.

301, source AP receive the first Basic Service Set BSS lists that base station is sent, and the first BSS lists include at least one BSS marks for the confession user equipment (UE) switching that base station is determined, source AP is the AP that UE is currently connected.

302, source AP determine the 2nd BSS lists according to the first BSS lists, and the first BSS lists include at least one BSS marks of the source AP confession UE switchings determined.

303, source AP send the 2nd BSS lists to UE, and in order to which UE determines target AP according to the 2nd BSS lists, and the source AP currently connected from UE switches to target AP.

It should be understood that Basic Service Set（Basic Service Set, BSS) be wlan network a basic module, generally by an access point AP and multiple work stations（Station, STA) composition.Extended service set（Extended Service set, ESS) it is made up of multiple BSS.Wherein, each BSS has unique mark, i.e. BSS ID or BSS marks, and because BSS generally has an access point AP, therefore BSS marks are usually access point AP mark, i.e. AP medium education（Media Access Control, MAC) address.

Source AP is the AP that UE is currently connected to, and source AP and UE and other UE for being connected to source AP have collectively constituted current BSS.

Alternatively, as one embodiment, before step 302, in addition to：The 3rd BSS lists that UE is sent are received, the 3rd BSS lists include at least one BSS marks of the UE confession UE switchings determined.

UE can initiate AP switchings when detecting and needing to carry out AP switchings, specific to initiate AP switchings The reason for can include it is at least one of following：Source AP signal quality is less than predetermined threshold；Source AP service quality QoSs are less than threshold value；It was found that signal quality is higher than source AP AP.UE, which is determined, to be needed to carry out after AP switchings, BSS handover management query messages can be sent to source AP, the message can include the 3rd BSS lists that UE voluntarily be determined, the higher AP of the signal quality that the 3rd BSS lists can be detected comprising UE BSS marks.Alternatively, BSS handover managements query messages also include the switch reasons that UE initiates AP switchings, and wherein switch reasons are comprising at least one of following：Source AP signal quality is less than predetermined threshold；Source AP service quality QoS is less than threshold value；It was found that signal quality is higher than source AP AP.Wherein threshold value can be pre-configured with, or be handed down to UE in advance by base station, and the present invention is not limited this.

Alternatively, as one embodiment, step 302 includes：When the first BSS lists and the 3rd BSS lists, which exist, occurs simultaneously, source AP determines the 2nd BSS lists according to occuring simultaneously；Or when the first BSS lists and the 3rd BSS lists are not present and occured simultaneously, source AP determines the 2nd BSS lists according to the first BSS lists.That is, before source AP determines to be supplied to UE for UE selection targets AP the 2nd BSS lists, source AP is respectively received the 3rd BSS lists that the first BSS lists of base station determination and UE are determined, wherein base station can determine the first BSS lists by local policy, and UE can determine the 3rd BSS lists by the preferable AP of signal quality on the periphery detected.The BSS that first BSS lists and the 3rd BSS lists are included can be the same or different, during in the presence of occuring simultaneously, the AP corresponding to BSS marks in common factor is the preferably candidate target AP that base station and UE are determined jointly, therefore source AP may be referred to the common factor to determine the 2nd BSS lists, during in the absence of occuring simultaneously, source AP can the first BSS lists of preferential reference base station determination determine the 2nd BSS lists.In addition, source AP is it is determined that during the 2nd BSS lists, except according to common factor or the first BSS lists, further it can also be chosen according to source AP local policy in common factor or the first BSS lists, or additionally choose BSS to constitute the 2nd BSS lists, the description of wherein source AP local policy is referred to the local policy of above-mentioned base station, and here is omitted.

Alternatively, as one embodiment, before step 301, in addition to：Source AP determines the 4th BSS lists according to the 3rd BSS lists, and the 4th BSS lists include at least one BSS marks of the source AP confession UE switchings determined；Source AP sends the 4th BSS lists to base station, in order to which base station determines the first BSS lists according to the local policy of the 4th BSS lists and base station.Source AP is received after the 3rd BSS lists from UE, can in the 3rd BSS lists selected part BSS and additionally choose some BSS constitute the 4th BSS lists.That is, source AP is received after the 3rd BSS lists of UE transmissions, the 4th BSS lists first can be determined according to the local policy of the 3rd BSS lists and source AP, afterwards should 4th BSS lists are sent to base station, in order to which base station is further screened according to the 4th BSS lists and base station local policy, or optionally add the BSS of some base stations determination, to determine the first BSS lists, first BSS lists are returned into source AP, first BSS lists directly can be returned to UE for UE selection target AP by source AP, and the 2nd BSS lists of generation can also be screened again, UE is returned to and is selected for UE.So, AP can participate in candidate AP screening, i.e. target AP the selection result twice and more lay particular stress on AP situation.

Alternatively, as one embodiment, step 302 includes：2nd BSS lists are determined according to the loading condition of each BSS in the first BSS lists and the first BSS lists.

Alternatively, it is used as one embodiment, the 2nd BSS lists that source AP is sent to UE can be carried by BSS handover management request message ^ ^, and the BSS handover managements request message sent from source AP to UE including the 2nd BSS lists except also including following at least one：What source AP was determined forbids the BSS blacklists that UE switches；UE initiates the switch reasons of AP switchings, and wherein switch reasons include：At least one of the AP of source AP signal quality less than predetermined threshold, service quality QoS less than threshold value, discovery signal quality higher than source AP；The termination time that the UE that source AP is determined is connected with source AP.Wherein switch reasons can be that the UE that AP is received at UE initiates the switch reasons determined when switch reasons or the AP initiation switchings of AP switchings.Above- mentioned information included in BSS handover management request messages can be transmitted to base station by UE, in order to which base station determines BSS lists according to above- mentioned information.

Alternatively, as one embodiment, method also includes：Receive the corresponding BSS marks of target AP that UE is sent.That is UE is determined according to the first BSS lists after target AP, and target AP determination result can be reported to base station and/or source AP.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station is sent by source AP, and the first BSS lists include at least one BSS switched for user equipment (UE), and the BSS belonging to the AP of source is the BSS that UE is currently connected;2nd BSS lists are determined according to the first BSS lists, the first BSS lists include at least one BSS switched for UE;The BSS handover management request messages for carrying the 2nd BSS lists are sent to UE, in order to which UE determines target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP, base station auxiliary control UE AP switchings are realized, it is such Handoff procedure has considered the factor of wlan system and cellular network system, such as load, flow so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Fig. 5 is the flow chart of the switching method of one embodiment of the invention.Fig. 5 method is performed by base station.

401, base station determines the first Basic Service Set BSS lists, wherein the first BSS lists include at least one BSS marks switched for user equipment (UE).

402, base station sends the first BSS lists to the UE source AP currently connected, in order to which source AP generates the 2nd BSS lists according to the first BSS lists and sends the 2nd BSS lists to UE, in order to which UE determines target BSS according to the 2nd BSS lists, and the source AP currently connected from UE switches to target AP.

Access Control, MAC) address.

Source AP is the AP that UE is currently connected to, and source AP and UE and other UE/UE for being connected to source AP have collectively constituted current BSS.

Alternatively, as one embodiment, before step 401, in addition to：The 4th BSS lists that reception source AP is sent, wherein, the 4th BSS lists include at least one BSS marks of the source AP confession UE switchings determined.Alternatively, step 401 includes：First BSS lists are determined according to the local policy of the 4th BSS lists and base station.Base station can be chosen according to local policy in the 4th BSS lists

BSS forms the first BSS lists, choosing some and meet local policy but be not included in the BSS in the 2nd BSS lists to form the first BSS lists additionally while can also be chosen in the 4th BSS lists, and the present invention is not limited this.In addition, local policy can include following one or more： Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;AP of the load less than threshold value is chosen, wherein threshold value pre-sets or is handed down to base station or source AP by upper layer network element.

Alternatively, as one embodiment, step 401 includes：First BSS lists are determined according to the local policy of base station.That is, base station can also voluntarily determine the first BSS lists, rather than the BSS lists determined according to source AP to determine the first BSS lists.Description is referred to above-described embodiment as described in local policy, and here is omitted.

Alternatively, it is used as one embodiment, 2nd BSS lists are what source AP was determined according to the first BSS lists, or the 2nd BSS lists be that source AP is determined according to the common factor of the first BSS lists and the 3rd BSS lists, wherein the 3rd BSS lists are that UE is sent to source AP, and the 3rd BSS lists include at least one BSS of the UE confession UE switchings determined.

Alternatively, as one embodiment, base station is sent to the UE source AP currently connected after the first BSS lists, and method also includes：Receive the target AP for the UE determinations that UE is sent basic service set identification BSS ID.

The embodiment of the present invention determines the first Basic Service Set BSS lists by base station, wherein the first BSS lists include at least one BSS switched for user equipment (UE);The first BSS lists are sent to the UE source AP currently connected, in order to which source AP carries the BSS handover management request messages of the 2nd BSS lists according to the first BSS lists generation, BSS handover managements request message is used to cause UE to determine target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, for example load, flow etc., so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

501, BSS switching capabilities are interacted.

Whether during UE and AP set up and be connected, UE can carry out interacting for BSS switching capabilities with AP, i.e., support BSS switchings to inform opposite end local terminal by particular community information.In the embodiment of the present invention, UE and AP two ends can inform support BSS switchings mutually, as a specific example, can " true is (true by the way that the value that represent the attribute whether BSS switching capabilities are activated be set to）" come Represent the support switched to BSS.It should be understood that step 501 is optional step, and execution sequence is not limited to perform before step 502, and step 501 can be performed at any time.

502, UE initiate AP switchings.

UE can initiate AP switchings when detecting and needing to carry out AP switchings, and the reason for specific initiation AP switches can include at least one of following：The AP currently connected signal quality is less than predetermined threshold；Service quality QoS is less than threshold value；It was found that other AP of signal quality higher than current connection AP.That is, current communication conditions are bad and detect more preferable communication condition, UE can initiate AP switchings.Specifically, UE determines whether that the threshold value on signal quality, QoS etc. for initiating AP switchings can be pre-configured with, or is handed down to UE by base station, and the present invention is not limited this.

503, BSS handover management query messages.

UE determines to initiate to need generation BSS handover management inquiries after AP switchings（BSS Transition Management Query) AP that is currently connected to UE of information and sending, for indicating that UE is desired with AP switchings to AP.Alternatively, AP can voluntarily determine a BSS list when generating BSS handover management query messages, the higher BSS of signal quality that BSS lists can be detected comprising UE, initiates the reason for AP switches by the list and UE and is sent to AP by BSS handover management query messages.So AP may be referred to UE and initiate the BSS lists of the reason for AP switches and UE determinations to do further instruction.

504, BSS handover management request messages.

After the BSS handover management query messages for receiving UE transmissions, AP generates BSS handover management request messages according to the query messages.If the BSS handover management query messages that UE is sent include the BSS lists that UE is voluntarily determined, the loading condition that the BSS lists that AP can be determined according to UE combine each BSS determines new BSS lists, and the BSS lists that the BSS and UE that the BSS lists are included is determined can be the same or different.

Handover management request message is in addition to the candidate BSSs list determined comprising AP, BSS blacklists can also be included, i.e., by the AP BSS for not allowing UE to be switched to determined list, for example, AP can be by load too high, or the BSS for having specificity etc. is included in BSS blacklists.In addition, handover management request message can also include the BSS connection termination times, or connection terminates order, in order to UE receive after the message can the separated connection with BSS when specified connection is terminated, or disconnect immediately and BSS connection.

It should be understood that AP to UE send BSS handover management request messages be not required for receiving the BSS handover management query messages from UE as precondition, that is to say, that AP can at any time to UE sends BSS handover management request messages, to trigger AP handoff procedures.For example, AP can be too high in own load, or AP switchings are initiated when receiving the dispatch notification of upper layer network element.

505, UE report BSS lists.

UE, can be by information reporting therein to base station, in order to which base station is further screened after BSS handover management request messages are received.Specifically, the information reportings such as UE can provide AP BSS lists, BSS blacklists, AP switchings are ready, BSS connection termination times are to base station.The trigger condition that above- mentioned information reports base station can once be received the relevant configuration of base station by UE for UE, and such as base station once carried out wireless access network to UE（Radio Access Network, RAN) control etc..

506, base station screening.

Base station can choose multiple BSS so that UE is further selected according to the local policy of base station after the information that UE is reported is received in the BSS lists that UE is reported, and base station can only determine the target AP that a BSS switches as UE.It should be understood that base station can also additionally determine that some meet the BSS of base station local policy so that UE is further selected except choosing BSS in the BSS lists that UE is reported.Wherein, local policy can include following one or more：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;AP of the load less than threshold value is chosen, wherein threshold value is pre-set or is handed down to base station by upper layer network element, and the present invention is not limited this.

507, UE determine target AP.

If UE receives the BSS that base station is issued, UE determines that the BSS is target AP;If UE receives multiple BSS that base station is issued, UE can choose a BSS as target AP in multiple BSS, and the foundation for choosing target AP can be BSS signal quality, QoS etc..

508, UE report target AP determination result.

The target AP of determination BSS ID are reported AP and/or base station by UE, in addition to this it is possible to which the state report of switching is reported into AP and/or base station simultaneously, state report includes receiving or refusal etc..

509, UE carry out AP switchings.

UE determines voluntarily disconnect the connection with current BSS after target AP, or according to the connection turn-off time in BSS handover managements request message in step 504, the connection with BSS is disconnected, and then access procedure is initiated to target AP, to complete AP switchings.

The embodiment of the present invention receives the BSS lists that base station is sent by UE, and wherein BSS lists include at least one BSS switched for UE;Target AP is determined according to BSS lists;Switch to target AP from the AP currently connected, realize base station auxiliary control UE AP switching so that UE can switch to by Base station participates in the preferably target AP determined, so as to improve Consumer's Experience.

601, BSS switching capabilities are interacted.

During UE and AP set up and be connected, UE can carry out interacting for BSS switching capabilities with AP, specifically may be referred to above-mentioned steps 501, here is omitted.It should be understood that step 601 is optional step, and execution sequence is not limited to perform before step 602, and step 601 can be performed at any time.

602, UE initiate AP switchings.

Above-mentioned steps 502 specifically are may be referred to, here is omitted.

603, BSS handover management query messages.

604, BSS handover management request messages.

605, base station determines and sends BSS lists to UE.

Base station can determine the BSS lists for the UE candidates switched according to local policy, and be sent to UE by system broadcasts or proprietary signaling, wherein, local policy can include following one or more：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;AP of the load less than threshold value is chosen, wherein threshold value is pre-set or is handed down to base station by upper layer network element, and the present invention is not limited this.

It should be understood that the execution sequence of step 605 is not limited between step 604 and step 606, step 605 can be in step 606:Any time before UE determines target AP performs.

606, UE determine target AP.

The BSS lists that base station is issued in BSS lists that UE can be issued according to AP in step 604 and step 605 determine target AP.Specifically, when the BSS lists that AP is issued and BSS lists that base station is issued exist and occured simultaneously, UE can determine optimal BSS as target AP in the included BSS that occurs simultaneously, it is optimal can for signal quality preferably or QoS preferably etc..Occur simultaneously if the BSS lists that BSS lists and base station that AP is issued are issued are not present, optimal BSS is chosen in the BSS lists that UE is preferably issued from base station as target AP.

607, UE report target AP determination result.

608, UE carry out AP switchings.

The embodiment of the present invention receives the BSS lists that base station is sent by UE, and wherein BSS lists include at least one BSS switched for UE;Target AP is determined according to BSS lists;Target AP is switched to from the AP currently connected, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, such as load, flow, so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Fig. 8 is the interaction figure of the switching method of another embodiment of the present invention. 701, BSS switching capabilities are interacted.

During UE and AP set up and be connected, UE can carry out interacting for BSS switching capabilities with AP, specifically may be referred to above-mentioned steps 501, here is omitted.It should be understood that step 701 is optional step, and execution sequence is not limited to perform before step 702, and step 701 can be performed at any time.

702, UE initiate AP switchings.

Above-mentioned steps 502 specifically are may be referred to, here is omitted.

703, BSS handover management query messages.

704, AP send BSS lists to base station.

AP (includes the 3rd BSS lists after the BSS handover management query messages of UE transmissions are received）, the 3rd BSS lists that can be determined according to UE combine each BSS loading condition determine new BSS lists（4th BSS lists）, the BSS lists that the BSS and UE that the 4th BSS lists are included is determined be can be the same or different, and the 4th BSS lists can be sent to base station by AP afterwards, in order to which base station is further processed or screens.

Or, the BSS lists that UE is determined directly can be sent to base station by AP after BSS handover management query messages are received, and be returned in base station after the BSS lists that base station is determined, the BSS lists that base station is determined are further processed again by AP.

In addition, AP sends BSS lists to base station is not required for receiving the BSS handover management query messages from UE as precondition, that is to say, that AP can voluntarily be determined and be sent BSS lists to base station.

The UE conditions for initiating switching can also be sent to base station in the lump by AP simultaneously except sending BSS lists to base station.

705, base station determines and returns to BSS lists.

The BSS lists that base station can be provided according to AP, initiate to cut with reference to base station local policy and UE The condition changed determines BSS lists, and wherein base station local policy is referred to the embodiment in Fig. 6, here is omitted.The BSS lists of determination are sent to AP by base station.

706, BSS handover management request messages.

After the BSS lists for receiving base station transmission, final candidate BSSs list is determined according to the loading condition that the BSS lists combine each BSS, the BSS lists that the BSS and UE that the BSS lists are included is determined can be the same or different.Further, AP generations include the BSS handover management request messages of the BSS lists.Handover management request message is in addition to the candidate BSSs list determined comprising AP, BSS blacklists can also be included, i.e., by the AP BSS for not allowing UE to be switched to determined list, for example, AP can be by load too high, or the BSS for having specificity etc. is included in BSS blacklists.In addition, handover management request message can also include the BSS connection termination times, or connection terminates order, in order to UE receive after the message can the separated connection with BSS when specified connection is terminated, or disconnect immediately and BSS connection.

707, UE determine target AP.

UE is received after the BSS handover management request messages of AP transmissions, a BSS can be chosen in its BSS included list as target AP, the foundation for choosing target AP can be BSS signal quality, QoS etc..

708, UE report target AP determination result.

709, UE carry out AP switchings.

UE determines voluntarily disconnect the connection with current BSS after target AP, or according to the connection turn-off time in BSS handover managements request message in step 706, the connection with BSS is disconnected, and then access procedure is initiated to target AP, to complete AP switchings.

The embodiment of the present invention receives the BSS lists that base station is sent by AP, and BSS lists include at least one BSS switched for user equipment (UE), and the BSS belonging to AP is the BSS that UE is currently connected;Another BSS lists are determined according to BSS lists, BSS lists include at least one BSS switched for UE;The BSS handover management request messages for carrying another BSS lists are sent to UE, in order to which UE determines target AP according to another BSS lists, and the AP currently connected from UE switches to target AP, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, such as load, flow so that UE can switch to be participated in by base station The preferably target AP determined, so as to improve Consumer's Experience.

801, BSS switching capabilities are interacted.

During UE and AP set up and be connected, UE can carry out interacting for BSS switching capabilities with AP, specifically may be referred to above-mentioned steps 501, here is omitted.It should be understood that step 801 is optional step, and execution sequence is not limited to perform before step 802, and step 801 can be performed at any time.

802, UE initiate AP switchings.

Above-mentioned steps 502 specifically are may be referred to, here is omitted.

803, BSS handover management query messages.

804, base station determines and sends BSS lists to AP.

Base station determines BSS lists according to local policy, wherein, local policy can include following one or more：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;AP of the load less than threshold value is chosen, wherein threshold value is pre-set or is handed down to base station by upper layer network element, and the present invention is not limited this.

It should be understood that step 804 is not limited to perform between step 803 and step 805, step 804 can be in step 805:AP determines that any time before BSS lists performs, and final candidate BSSs list is determined in order to the BSS lists of UE determinations in the AP BSS lists that can be determined according to base station and step 802.

805, BSS handover management request messages.

The BSS lists that the BSS lists and UE that AP is determined according to the base station received are determined determine final candidate BSSs list, specifically, when there is common factor in the BSS lists sent in the UE BSS lists sent and base station, Α Ρ can be determined for compliance with the BSS of Α Ρ local policys as target Α Ρ in the included BSS of occuring simultaneously, it is optimal can for signal quality preferably or QoS preferably etc..If the BSS that UE is sent The BSS lists that list and base station are sent, which are not present, occurs simultaneously, and the BSS for meeting AP local policys is chosen in the BSS lists that AP can be issued preferably from base station.Meet the BSS of AP local policys to generate candidate BSSs list in addition, AP can also extraly choose some.Wherein, AP local policys can include following one or more：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;AP of the load less than threshold value is chosen, wherein threshold value is pre-set or is handed down to AP by upper layer network element, and the present invention is not limited this.

Further, AP generations include the BSS handover management request messages of the candidate BSSs list, and BSS handover management request messages are handed down into UE.Handover management request message is in addition to the candidate BSSs list determined comprising AP, BSS blacklists can also be included, i.e., by the AP BSS for not allowing UE to be switched to determined list, for example, AP can be by load too high, or the BSS for having specificity etc. is included in BSS blacklists.In addition, handover management request message can also include the BSS connection termination times, or connection terminates order, in order to UE receive after the message can the separated connection with BSS when specified connection is terminated, or disconnect immediately and BSS connection.

806, UE determine target AP.

807, UE report target AP determination result.

808, UE carry out AP switchings.

UE determines voluntarily disconnect the connection with current BSS after target AP, or according to the connection turn-off time in BSS handover managements request message in step 805, the connection with BSS is disconnected, and then access procedure is initiated to target AP, to complete AP switchings.

The embodiment of the present invention receives the BSS lists that base station is sent by AP, and BSS lists include at least one BSS switched for user equipment (UE), and the BSS belonging to AP is the BSS that UE is currently connected;Another BSS lists are determined according to BSS lists, BSS lists include at least one BSS switched for UE;The BSS handover management request messages for carrying another BSS lists are sent to UE, in order to which UE determines target AP according to another BSS lists, and the AP currently connected from UE switches to target AP, base station auxiliary control UE AP switchings are realized, such handoff procedure has considered wlan system With the factor of cellular network system, such as load, flow so that UE can switch to participates in the preferably target AP that determines by base station, so as to improve Consumer's Experience.

In addition to aiding in control except base station or participating in control UE AP switchings, base station can also be completely controlled UE AP switchings.

Specifically, when can determine to pass through WLAN shunt data in base station, UE is notified to close its BSS switching capability（The AP switchings controlled completely by AP), for example, can be set to by the value for the attribute whether UE expression BSS switching capabilities are activated, " false is (false）" to cause UE to close its BSS switching capability.The instruction and some BSS that UE can be according to base station afterwards are set up and connected, UE indicates that it does not support AP to switch to the AP currently connected during connection is set up, then in subsequent process, the AP currently connected will not initiate the process for controlling UE to carry out AP switchings.When determining to need to carry out AP switchings in base station or UE, UE can complete measurement under the control of base station, determine target AP, and issue AP switching commands to UE by base station, to cause UE to be switched to target AP.

Or, base station control model is preset at UE ends, when UE enters base station control model, UE closes BSS switching capabilities automatically（By the ability of the AP AP switchings controlled）.Specifically, base station can indicate that UE enters base station control model set in advance by broadcast or radio resource control RRC message, then UE closes BSS switching capabilities automatically, and the value for representing the attribute whether BSS switching capabilities are activated is set to " false (vacations by such as UE）", UE will carry out BSS scannings according to the control of base station afterwards and AP switches.When determining to need to carry out AP switchings in base station or UE, UE can complete measurement under the control of base station, determine target AP, and issue AP switching commands to UE by base station, to cause UE to be switched to target AP.

In addition, for the AP with Cellular Networks and WLAN interoperabilities, it can indicate that AP closes its BSS switching capability by base station, can also manual configuration AP close its BSS switching capability, for example, can be set to by the value for the attribute whether AP expression BSS switching capabilities are activated, " false is (false）" to cause AP to close its BSS switching capability.So, during AP and UE connection is set up, AP indicates that it does not support AP to switch to UE, then the AP switchings of AP controls will not be initiated.When determining to need to carry out AP switchings in base station or UE, UE can complete measurement under the control of base station, determine target AP, and issue AP switching commands to UE by base station, to cause UE to be switched to target AP.

Figure 10 is the schematic block diagram of the user equipment of one embodiment of the invention.Figure 10 user equipment 90 includes receiving unit 91, determining unit 92 and switch unit 93

Receiving unit 91 receives the first Basic Service Set BSS lists that base station is sent, wherein the first BSS List includes at least one BSS switched for UE;The first BSS lists that determining unit 92 is received according to receiving unit 91 determine target AP;Switch unit 93 switches to the target AP of the determination of determining unit 92 from the AP currently connected.

The embodiment of the present invention aids in controlling UE 90 AP to switch by base station so that UE 90 can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

It should be understood that the first BSS lists include the mark ID for UE at least one BSS switched over, at least one BSS ID can be carried by specific downstream message, be sent to UE 90.When the BSS provided in base station has multiple, i.e. when the first BSS lists include multiple BSS, UE 90 needs therefrom to select a BSS as switching target.When only providing a BSS in base station, i.e. when the first BSS lists only include a BSS, the BSS is then defined as switching target by UE 90.

User equipment 90 in the embodiment of the present invention can perform each step in above-described embodiment by each functional unit.

Alternatively, as one embodiment, receiving unit 91 is additionally operable to：The BSS handover management request messages for including the 2nd BSS lists for the source AP transmissions that UE is currently connected are received, wherein the 2nd BSS lists include at least one BSS of the source AP confession UE switchings determined.

Alternatively, as one embodiment, user equipment 90 also includes transmitting element, and transmitting element is used for：The 2nd BSS lists that receiving unit is received are sent to base station, in order to which base station determines the first BSS lists according to the local policy of the 2nd BSS lists and base station.

Alternatively, as one embodiment, determining unit 92 specifically for：When the first BSS lists and the 2nd BSS lists exist and occured simultaneously, target AP is determined in common factor according to BSS signal qualitys;When the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, target AP is determined in the first BSS lists according to BSS signal qualitys.

Alternatively, as one embodiment, determining unit 92 specifically for：Target AP is determined in the first BSS lists according to BSS signal qualitys.

Alternatively, as one embodiment, determining unit 92 is additionally operable to：Determine that UE needs to initiate AP switchings；Transmitting element is additionally operable to：The BSS handover management query messages for including the 3rd BSS lists are sent to source AP, in order to which source AP determines the 2nd BSS lists according to the 3rd BSS lists.

Alternatively, as one embodiment, BSS handover managements query messages also include the switch reasons that UE initiates AP switchings, and wherein switch reasons are comprising at least one of following：Source AP signal quality is less than predetermined threshold；Service quality QoS is less than threshold value；It was found that signal quality is higher than source AP AP.

Alternatively, as one embodiment, BSS handover managements request message also includes following at least one： What source AP was determined forbids the BSS blacklists that UE switches；Switch reasons；The termination time that UE is connected with source AP.

Alternatively, as one embodiment, transmitting element is additionally operable to：Target AP basic service set identification BSS ID are sent to source AP and/or base station.

Alternatively, as one embodiment, the first BSS lists include for UE switch a BSS when, determining unit 92 specifically for：Determine that the BSS that the first BSS lists are included is target AP.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station is sent by UE 90, wherein the first BSS lists include at least one BSS switched for UE;Target AP is determined according to the first BSS lists;Target AP is switched to from the AP currently connected, base station auxiliary control UE AP switchings are realized so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 11 is the schematic block diagram of the base station of one embodiment of the invention.Figure 11 base station 100 includes determining unit 101 and transmitting element 102.

Determining unit 101 determines the first Basic Service Set BSS lists, wherein the first BSS lists include at least one BSS switched for user equipment (UE);Transmitting element 102 sends the first BSS lists that determining unit 101 is determined to UE, and in order to which UE determines target AP according to the first BSS lists, and the AP currently connected from UE switches to target AP.

The embodiment of the present invention aids in controlling UE AP to switch by base station 100 so that UE can switch to the preferably target AP that determination is participated in by base station 100, so as to improve Consumer's Experience.

It should be understood that the first BSS lists include the mark ID for UE at least one BSS switched over, at least one BSS ID can be carried by specific downstream message, be sent to UE.When the BSS provided in base station has multiple, i.e. when the first BSS lists include multiple BSS, UE needs therefrom to select a BSS as switching target.When only providing a BSS in base station, i.e. when the first BSS lists only include a BSS, the BSS is then defined as switching target by UE.

Base station 100 in the embodiment of the present invention can perform each step in above-described embodiment by each functional unit.

Alternatively, as one embodiment, base station 100 also includes receiving unit, and receiving unit is used for：The 2nd BSS lists that UE is sent are received, wherein the BSS that the 2nd BSS lists are currently connected by UE Source AP be sent to UE, the 2nd BSS lists include at least one BSS of the source AP confession UE switchings determined.

Alternatively, as one embodiment, determining unit 101 specifically for：The 2nd BSS lists received according to receiving unit and the local policy of base station determine the first BSS lists.

Alternatively, as one embodiment, determining unit 101 specifically for：First BSS lists are determined according to the local policy of base station.

Alternatively, as one embodiment, when the first BSS lists and the 2nd BSS lists exist and occured simultaneously, the first BSS lists and the 2nd BSS lists are used to determine target AP in common factor according to BSS signal qualitys for UE;Or when the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, first BSS lists are used to determine target AP in the first BSS lists according to BSS signal qualitys for UE, the source AP that wherein the 2nd BSS lists are the BSS that UE is currently connected is sent to UE, and the 2nd BSS lists include at least one BSS of the source AP confession UE switchings determined.

Alternatively, as one embodiment, receiving unit is additionally operable to：Receive the substantially good business set identifier BSS ID for the target AP that UE is sent.

Alternatively, as one embodiment, the local policy of base station 100 includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

Alternatively, as one embodiment, when the first BSS lists include a BSS for UE switchings, the first BSS lists are used to cause UE to determine that a BSS is target AP.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station 100 is sent by UE, wherein the first BSS lists include at least one BSS switched for UE;Target AP is determined according to the first BSS lists;Target AP is switched to from the AP currently connected, base station auxiliary control UE AP switchings are realized so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 12 is the schematic block diagram of the access point of one embodiment of the invention.Access point shown in Figure 12

AP 110 includes receiving unit 111, determining unit 112 and transmitting element 113.

Receiving unit 111 receives the first Basic Service Set BSS lists that base station is sent, and the first BSS lists include at least one BSS switched for user equipment (UE), and the BSS belonging to access point AP is the BSS that UE is currently connected;The first BSS lists that determining unit 112 is received according to receiving unit 111 determine the 2nd BSS lists, and the first BSS lists include at least one BSS switched for UE;Transmitting element 113 sends the BSS handover management request messages for carrying the 2nd BSS lists to UE, in order to UE Target AP is determined according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP.The embodiment of the present invention aids in controlling UE AP to switch by base station so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

AP 110 is the AP that UE is currently connected to, and AP 110 and UE and other UE/UE for being connected to AP 110 have collectively constituted current BSS.

AP 110 in the embodiment of the present invention can perform each step in above-described embodiment by each functional unit.

Alternatively, as one embodiment, receiving unit 111 is additionally operable to：The BSS handover management query messages for including the 3rd BSS lists that UE is sent are received, wherein the 3rd BSS lists include at least one BSS of the UE confession UE switchings determined.

Alternatively, as one embodiment, determining unit 112 specifically for：When the first BSS lists and the 3rd BSS lists exist and occured simultaneously, the 2nd BSS lists are determined according to occuring simultaneously；When the first BSS lists and the 3rd BSS lists are not present and occured simultaneously, the 2nd BSS lists are determined according to the first BSS lists.

Alternatively, as one embodiment, determining unit 112 is additionally operable to：4th BSS lists are determined according to the 3rd BSS lists, the 4th BSS lists include at least one BSS switched for UE;Transmitting element is additionally operable to：The 4th BSS lists are sent to base station, in order to which base station determines the first BSS lists according to the local policy of the 4th BSS lists and base station.

Alternatively, as one embodiment, determining unit 112 specifically for：2nd BSS lists are determined according to the loading condition of each BSS in the first BSS lists and the first BSS lists.

Alternatively, as one embodiment, BSS handover managements request message also includes following at least one：

What AP 110 was determined forbids the BSS blacklists that UE switches；UE initiates the switch reasons of AP switchings, and wherein switch reasons include：At least one of the AP of AP 110 signal quality less than predetermined threshold, service quality QoS less than threshold value, discovery signal quality higher than AP 110；The termination time that the UE that AP 110 is determined is connected with AP 110.

Alternatively, as one embodiment, receiving unit 111 is additionally operable to：Receive the target AP for the UE determinations that UE is sent basic service set identification BSS ID.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station is sent by AP 110, and the first BSS lists include at least one BSS, the BSS belonging to AP 110 switched for user equipment (UE) The BSS currently connected for UE;2nd BSS lists are determined according to the first BSS lists, the first BSS lists include at least one BSS switched for UE;The BSS handover management request messages for carrying the 2nd BSS lists are sent to UE, in order to which UE determines target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, such as load, flow so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 13 is the schematic block diagram of the base station of one embodiment of the invention.Base station 120 shown in Figure 13 includes determining unit 121 and transmitting element 122.

Determining unit 121 determines the first Basic Service Set BSS lists, wherein the first BSS lists include at least one BSS switched for user equipment (UE);Transmitting element 122 sends the first BSS lists that determining unit is determined to the UE source AP currently connected, in order to which source AP carries the BSS handover management request messages of the 2nd BSS lists according to the first BSS lists generation, BSS handover managements request message is used to cause UE to determine target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP.

The embodiment of the present invention aids in controlling UE AP to switch by base station 120 so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Base station 120 in the embodiment of the present invention can perform each step in above-described embodiment by each functional unit.

Alternatively, as one embodiment, base station 120 also includes receiving unit, and receiving unit is used for：The 4th BSS lists that reception source AP is sent, wherein, the 4th BSS lists include at least one BSS of the source AP confession UE switchings determined.

Alternatively, as one embodiment, determining unit 121 specifically for：First BSS lists are determined according to the local policy of the 4th BSS lists and base station.

Alternatively, as one embodiment, determining unit 121 specifically for：First BSS lists are determined according to the local policy of base station.

Alternatively, it is used as one embodiment, 2nd BSS lists are what source AP was determined according to the first BSS lists, or the 2nd BSS lists be that source AP is determined according to the common factor of the first BSS lists and the 3rd BSS lists, wherein the 3rd BSS lists are that UE is sent to source AP, and the 3rd BSS lists include at least one BSS of the UE confession UE switchings determined. Alternatively, as one embodiment, receiving unit is additionally operable to：Receive the target Α Ρ for the UE determinations that UE is sent basic service set identification BSS ID.

The embodiment of the present invention determines the first Basic Service Set BSS lists by base station 120, wherein the first BSS lists include at least one BSS switched for user equipment (UE);The first BSS lists are sent to the UE source AP currently connected, in order to which source AP carries the BSS handover management request messages of the 2nd BSS lists according to the first BSS lists generation, BSS handover managements request message is used to cause UE to determine target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, for example load, flow etc., so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 14 is the schematic block diagram of the user equipment of another embodiment of the present invention.Figure 14 user equipment 130 includes processor 131, memory 132 and receiving circuit 133.Processor 131, memory 132 are connected with receiving circuit 133 by bus system 134.

Memory 132, which is used to store, causes processor 131 to perform the instruction operated below：The first Basic Service Set BSS lists that base station is sent are received by receiving circuit 133, wherein the first BSS lists include at least one BSS switched for UE 130;Target AP is determined according to the first BSS lists that receiving circuit 133 is received;The target AP of the determination of processor 131 is switched to from the AP currently connected.

The embodiment of the present invention aids in controlling UE 130 AP to switch by base station so that UE 130 can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

In addition, user equipment 130 can also include radiating circuit 135 and antenna 136 etc..Processor 131 controls the operation of user equipment 130, and processor 131 can also be referred to as CPU (Central Processing Unit, CPU）.Memory 132 can include read-only storage and random access memory, and provide instruction and data to processor 131.The a part of of memory 132 can also include nonvolatile RAM（ NVRAM ).In specific application, radiating circuit 135 and receiving circuit 133 may be coupled to antenna 136.Each component of user equipment 130 is coupled by bus system 134, and wherein bus system 134 can also include power bus, controlling bus and status signal bus in addition etc. in addition to including data/address bus.But for the sake of clear explanation, various buses are all designated as bus system 134 in figure. The method that the embodiments of the present invention are disclosed can apply in processor 131, or be realized by processor 131.Processor 131 is probably a kind of IC chip, the disposal ability with signal.In implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 131 or the instruction of software form.Above-mentioned processor 131 can be general processor, digital signal processor（DSP), application specific integrated circuit（ASIC), ready-made programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components FPGA.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or the processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and perform completion, or perform completion with the hardware in decoding processor and software module combination.Software module can be located in random access memory, flash memory, read-only storage, the ripe storage medium in this area such as programmable read only memory or electrically erasable programmable memory, register.The storage medium is located at memory 132, and processor 131 reads the information in memory 132, the step of completing the above method with reference to its hardware.

User equipment 130 in the embodiment of the present invention can perform each step in above-described embodiment.Alternatively, as one embodiment, receiving circuit 133 is used to receive the source that UE is currently connected

The BSS handover management request messages for including the 2nd BSS lists that AP is sent, wherein the 2nd BSS lists include at least one BSS of the source AP confession UE switchings determined.

Alternatively, as one embodiment, radiating circuit 135 is used for：The 2nd BSS lists that receiving unit is received are sent to base station, in order to which base station determines the first BSS lists according to the local policy of the 2nd BSS lists and base station.

Alternatively, as one embodiment, processor 131 specifically for：When the first BSS lists and the 2nd BSS lists exist and occured simultaneously, target AP is determined in common factor according to BSS signal qualitys;When the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, target AP is determined in the first BSS lists according to BSS signal qualitys.

Alternatively, as one embodiment, processor 131 specifically for：Target AP is determined in the first BSS lists according to BSS signal qualitys.

Alternatively, as one embodiment, processor 131 is used for：Determine that UE needs to initiate AP switchings；Transmitting element is additionally operable to：The BSS handover management query messages for including the 3rd BSS lists are sent to source AP, in order to which source AP determines the 2nd BSS lists according to the 3rd BSS lists.

Alternatively, as one embodiment, BSS handover managements query messages also include the switch reasons that UE initiates AP switchings, and wherein switch reasons are comprising at least one of following：Source AP signal quality Less than predetermined threshold；Service quality QoS is less than threshold value；It was found that signal quality is higher than source AP AP.BSS handover managements request message also includes following at least one：What source AP was determined forbids the BSS blacklists that UE switches；Switch reasons；The termination time that UE is connected with source AP.

Alternatively, as one embodiment, radiating circuit 135 is additionally operable to：Target AP basic service set identification BSS ID are sent to source AP and/or base station.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station is sent by UE 130, wherein the first BSS lists include at least one BSS switched for UE 130;Target AP is determined according to the first BSS lists;Target AP is switched to from the AP currently connected, base station auxiliary control UE 130 AP switchings are realized so that UE 130 can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 15 is the schematic block diagram of the base station of another embodiment of the present invention.Figure 15 base station 140 includes processor 141, memory 142 and radiating circuit 143.Processor 141, memory 142 are connected with radiating circuit 143 by bus 144.

Memory 142, which is used to store, causes processor 141 to perform the instruction operated below：The first Basic Service Set BSS lists are determined, wherein the first BSS lists include at least one BSS switched for user equipment (UE);The first BSS lists that processor 141 is determined are sent to UE by radiating circuit 143, in order to which UE determines target AP according to the first BSS lists, and the AP currently connected from UE switches to target AP.

The embodiment of the present invention aids in controlling UE AP to switch by base station 140 so that UE can switch to the preferably target AP that determination is participated in by base station 140, so as to improve Consumer's Experience.

In addition, base station 140 can also include receiving circuit 145 and antenna 146 etc..The operation of the control base station 140 of processor 141, processor 141 can also be referred to as CPU (Central Processing Unit, CPU）.Memory 142 can include read-only storage and random access memory, and provide instruction and data to processor 141.The a part of of memory 142 can also include nonvolatile RAM（ NVRAM ).In specific application, receiving circuit 145 and radiating circuit 143 may be coupled to antenna 146.Each component of base station 140 is coupled by bus system 144, and wherein bus system 144 can also include power bus, controlling bus and status signal bus in addition etc. in addition to including data/address bus.But for the sake of clear explanation, various buses are all designated as bus system 144 in figure.

The method that the embodiments of the present invention are disclosed can apply in processor 141, or by processor

141 realize.Processor 141 is probably a kind of IC chip, the disposal ability with signal. In implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 141 or the instruction of software form.Above-mentioned processor 141 can be general processor, digital signal processor（DSP), application specific integrated circuit（ASIC), ready-made programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components FPGA.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or the processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and perform completion, or perform completion with the hardware in decoding processor and software module combination.Software module can be located in random access memory, flash memory, read-only storage, the ripe storage medium in this area such as programmable read only memory or electrically erasable programmable memory, register.The storage medium is located at memory 142, and processor 141 reads the information in memory 142, the step of completing the above method with reference to its hardware.

Base station 140 in the embodiment of the present invention can perform each step in above-described embodiment.

Base station 140 in the embodiment of the present invention can perform each step in above-described embodiment by each functional unit.

Alternatively, it is used as one embodiment, receiving circuit 145 is used for the 2nd BSS lists for receiving UE transmissions, wherein the 2nd BSS lists are sent to UE by the UE BSS currently connected source AP, the 2nd BSS lists include at least one BSS of the source AP confession UE switchings determined.

Alternatively, as one embodiment, processor 141 determines the first BSS lists specifically for the 2nd BSS lists received according to receiving circuit 145 and the local policy of base station.Wherein local policy includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

Alternatively, as one embodiment, processor 141 according to the local policy of base station 140 specifically for determining the first BSS lists.

Alternatively, as one embodiment, receiving circuit 145 is additionally operable to：Receive the basic service set identification BSS ID for the target AP that UE is sent.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station 140 is sent by UE, wherein the first BSS lists include at least one BSS switched for UE;Target AP is determined according to the first BSS lists;Target AP is switched to from the AP currently connected, base station auxiliary control UE AP switchings are realized so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 16 is the schematic block diagram of the access point of another embodiment of the present invention.Access point AP 150 shown in Figure 16 includes processor 151, memory 152, receiving circuit 153 and radiating circuit 154.Processor 151, memory 152, receiving circuit 153 are connected with radiating circuit 154 by bus system 155.

Memory 152, which is used to store, causes processor 151 to perform the instruction operated below：The first Basic Service Set BSS lists that base station is sent are received by receiving circuit 153, the first BSS lists include at least one BSS switched for user equipment (UE), the BSS belonging to access point AP is the BSS that UE is currently connected;The first BSS lists that processor 151 is received according to receiving circuit 153 determine the 2nd BSS lists, and the first BSS lists include at least one BSS switched for UE;The BSS handover management request messages for carrying the 2nd BSS lists are sent to UE by radiating circuit 154, in order to which UE determines target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP.

AP 150 in the embodiment of the present invention can perform each step in above-described embodiment.

In addition, access point 150 can also include antenna 156 etc..Processor 151 controls the operation of access point 150, and processor 151 can also be referred to as CPU (Central Processing Unit, CPU）.Memory 152 can include read-only storage and random access memory, and provide instruction and data to processor 151.The a part of of memory 152 can also include nonvolatile RAM (NVRAM).In specific application, receiving circuit 153 and radiating circuit 154 may be coupled to antenna 156.Each component of access point 150 is coupled by bus system 155, wherein bus system 155 in addition to including data/address bus, can also include power bus, controlling bus and status signal bus in addition etc..But for the sake of clear explanation, various buses are all designated as bus system 155 in figure.

The method that the embodiments of the present invention are disclosed can apply in processor 151, or be realized by processor 151.Processor 151 is probably a kind of IC chip, the disposal ability with signal.In implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 151 or the instruction of software form.Above-mentioned processor 151 can be general processor, digital signal processor（DSP), application specific integrated circuit（ASIC), ready-made programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components FPGA.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or the processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and perform completion, or perform completion with the hardware in decoding processor and software module combination.Software module can be located in random access memory, flash memory, read-only storage, the ripe storage medium in this area such as programmable read only memory or electrically erasable programmable memory, register.The storage medium is located at memory 152, and processor 151 reads the information in memory 152, the step of completing the above method with reference to its hardware.

Alternatively, as one embodiment, receiving circuit 153 is additionally operable to receive the BSS handover management query messages for including the 3rd BSS lists that UE is sent, wherein the 3rd BSS lists include at least one BSS of the UE confession UE switchings determined.

Alternatively, as one embodiment, processor 151 is specifically for when the first BSS lists and the 3rd BSS lists exist and occured simultaneously, the 2nd BSS lists are determined according to occuring simultaneously；When the first BSS lists and the 3rd BSS lists are not present and occured simultaneously, the 2nd BSS lists are determined according to the first BSS lists.

Alternatively, as one embodiment, processor 151 is additionally operable to determine the 4th BSS lists according to the 3rd BSS lists, and the 4th BSS lists include at least one BSS switched for UE;Transmitting element is additionally operable to：The 4th BSS lists are sent to base station, in order to which base station determines the first BSS lists according to the local policy of the 4th BSS lists and base station.

Alternatively, as one embodiment, processor 151 according to the loading condition of each BSS in the first BSS lists and the first BSS lists specifically for determining the 2nd BSS lists.

Alternatively, as one embodiment, BSS handover managements request message also includes following at least one：What AP 110 was determined forbids the BSS blacklists that UE switches；UE initiates the switch reasons of AP switchings, and wherein switch reasons include：At least one of the AP of AP 150 signal quality less than predetermined threshold, service quality QoS less than threshold value, discovery signal quality higher than AP 150；The UE that AP 150 is determined The termination time being connected with AP 150.

Alternatively, as one embodiment, receiving circuit 153 is additionally operable to：Receive the target AP for the UE determinations that UE is sent basic service set identification BSS ID.

The embodiment of the present invention receives the first Basic Service Set BSS lists that base station is sent by AP 150, and the first BSS lists include at least one BSS switched for user equipment (UE), and the BSS belonging to AP 150 is the BSS that UE is currently connected;2nd BSS lists are determined according to the first BSS lists, the first BSS lists include at least one BSS switched for UE;The BSS handover management request messages for carrying the 2nd BSS lists are sent to UE, in order to which UE determines target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, such as load, flow so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 17 is the schematic block diagram of the base station of another embodiment of the present invention.Base station 160 shown in Figure 17 includes processor 161, memory 162 and radiating circuit 163.Processor 161, memory 162 are connected with radiating circuit 163 by system bus 164.

Memory 162, which is used to store, causes processor 161 to perform the instruction operated below：The first Basic Service Set BSS lists are determined, wherein the first BSS lists include at least one BSS switched for user equipment (UE);The first BSS lists that determining unit is determined are sent to the UE source AP currently connected by radiating circuit 163, in order to which source AP carries the BSS handover management request messages of the 2nd BSS lists according to the first BSS lists generation, BSS handover managements request message is used to cause UE to determine target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP.

The embodiment of the present invention aids in controlling UE AP to switch by base station 160 so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Base station 160 in the embodiment of the present invention can perform each step in above-described embodiment.

In addition, base station 160 can also include receiving circuit 165 and antenna 166 etc..The operation of the control base station 160 of processor 161, processor 161 can also be referred to as CPU (Central Processing Unit, CPU）.Memory 162 can include read-only storage and random access memory, and to Processor 161 provides instruction and data.The a part of of memory 162 can also include nonvolatile RAM（ NVRAM ).In specific application, radiating circuit 163 and receiving circuit 165 may be coupled to antenna 166.Each component of base station 160 is coupled by bus system 164, and wherein bus system 164 can also include power bus, controlling bus and status signal bus in addition etc. in addition to including data/address bus.But for the sake of clear explanation, various buses are all designated as bus system 164 in figure.

The method that the embodiments of the present invention are disclosed can apply in processor 161, or be realized by processor 161.Processor 161 is probably a kind of IC chip, the disposal ability with signal.In implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 161 or the instruction of software form.Above-mentioned processor 161 can be general processor, digital signal processor（DSP), application specific integrated circuit（ASIC), ready-made programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components FPGA.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or the processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and perform completion, or perform completion with the hardware in decoding processor and software module combination.Software module can be located in random access memory, flash memory, read-only storage, the ripe storage medium in this area such as programmable read only memory or electrically erasable programmable memory, register.The storage medium is located at memory 162, and processor 161 reads the information in memory 162, the step of completing the above method with reference to its hardware.

Alternatively, as one embodiment, receiving circuit 165 is used for the 4th BSS lists for receiving source AP transmissions, wherein, the 4th BSS lists include at least one BSS of the source AP confession UE switchings determined.

Alternatively, as one embodiment, processor 161 according to the local policy of the 4th BSS lists and base station specifically for determining the first BSS lists.

Alternatively, as one embodiment, processor 161 according to the local policy of base station specifically for determining the first BSS lists.

Alternatively, as one embodiment, receiving circuit 165 is additionally operable to：Receive the target AP for the UE determinations that UE is sent basic service set identification BSS ID. Alternatively, as one embodiment, the local policy of base station includes at least one in the following：Choose the AP that QoS is higher than threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value.

The embodiment of the present invention determines the first Basic Service Set BSS lists by base station 160, wherein the first BSS lists include at least one BSS switched for user equipment (UE);The first BSS lists are sent to the UE source AP currently connected, in order to which source AP carries the BSS handover management request messages of the 2nd BSS lists according to the first BSS lists generation, BSS handover managements request message is used to cause UE to determine target AP according to the 2nd BSS lists, and the AP currently connected from UE switches to target AP, realize base station auxiliary control UE AP switchings, such handoff procedure has considered the factor of wlan system and cellular network system, for example load, flow etc., so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 18 is the flow chart of the switching method of one embodiment of the invention.Figure 18 method is performed by base station.

181, base station instruction user equipment UE closes the BSS switching capabilities of the UE, in order to which the UE completes AP switchings under the control of the base station not via access point AP control.

182, the base station determines the first Basic Service Set BSS lists, and the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined.

183, the base station sends the first BSS lists to the UE, and in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

The embodiment of the present invention is by closing UE BSS switching capabilities so that base station can control UE AP to switch completely, so that UE can switch to participates in the preferably target AP that determines by base station, so as to improve Consumer's Experience.

It should also be understood that for wlan network, network-side service equipment is AP, user side terminal device is STA, and for mobile cellular net, network-side service equipment is base station, user's lateral terminal That equipment is UE.In the heterogeneous network scene that the WLAN and mobile cellular network of the embodiment of the present invention are constituted, user side terminal device is properly termed as UE or STA, can receive the service of two networks, describe for convenience, hereafter referred to collectively as UE.

It should also be understood that at least one BSS marks that the first BSS lists are switched over comprising the confession UE that base station is determined, at least one BSS marks can be carried by specific downstream message, UE is sent to.When the BSS provided in base station is identified with multiple, i.e. when the first BSS lists are identified comprising multiple BSS, UE needs therefrom to select a BSS mark to regard its corresponding AP as switching target.When a BSS mark is only provided in base station, i.e. when the first BSS lists are only identified comprising a BSS, the BSS is then identified corresponding AP and is defined as switching target by UE.

Alternatively, as one embodiment, base station instruction user equipment UE closes the BSS switching capabilities of the UE, including：

Base station is sent for causing UE to close the instruction message of BSS switching capabilities to UE；Or base station indicates that UE enters base station control model by broadcast or proprietary signaling, wherein the base station control model of the UE is the pattern that BSS switching capabilities are closed.

Specifically, when base station determines to pass through WLAN shunt data, it can indicate that UE closes its BSS switching capability, UE closes BSS abilities after the instruction of base station is received, and indicate that its BSS for not supporting that AP is controlled switches to source AP when being connected with source AP foundation, so source AP is not involved in UE AP handoff procedures, realizes the AP switchings that base station is controlled completely.In addition, UE can be previously provided with base station control model, UE starts base station control model after the instruction of base station is received, and closes BSS switching capabilities.It should be understood that BSS switching capabilities mentioned here refer to the ability that UE carries out AP switchings in the case where AP is controlled completely.For example, can be set to by the value for the attribute whether UE expression BSS switching capabilities are activated, " false is (false）" to cause UE to close its BSS switching capability.The instruction and some AP that UE can be according to base station afterwards are set up and connected, UE indicates that it does not support AP to switch to the AP currently connected during connection is set up, then in subsequent process, the AP currently connected will not initiate the process for controlling UE to carry out AP switchings.When determining to need to carry out AP switchings in base station or UE, UE can complete measurement under the control of base station, determine target AP, and issue AP switching commands to UE by base station, to cause UE to be switched to target AP.Or, base station control model is preset at UE ends, when UE enters base station control model, UE closes BSS switching capabilities automatically（By the ability of the AP AP switchings controlled）.Specifically, base station can indicate that UE enters base station control model set in advance by broadcast or radio resource control RRC message, then UE closes BSS switching capabilities automatically, and the value for representing the attribute whether BSS switching capabilities are activated is set to " false (vacations by such as UE）", UE afterwards BSS scannings will be carried out according to the control of base station and AP switches.When determining to need to carry out AP switchings in base station or UE, UE can complete measurement under the control of base station, determine target AP, and issue AP switching commands to UE by base station, to cause UE to be switched to target AP.

Alternatively, as one embodiment, step 182, the base station determines that the first Basic Service Set BSS lists include：The base station determines the first BSS lists according to local policy.Wherein, the local policy of base station can pre-set or issued by the upper layer network element of base station.As an example, local policy can include following one or more：Choose service quality（Quality of Service, QoS) it is higher than the AP of threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value, wherein threshold value equally can be pre-set or by upper layer network element, such as base station controller is handed down to base station, and the present invention is not limited this.

Alternatively, UE determines target AP according to the first BSS lists, including：The signal quality that UE identifies corresponding AP according to BSS in the first BSS lists determines target AP in the first BSS lists.

Alternatively, as one embodiment, methods described also includes：Base station receives the corresponding BSS marks of target AP that UE is sent.So that base station is able to know that the AP to be switched to that UE is finally determined.

Alternatively, as one embodiment, BSS is designated the corresponding AP of BSS medium education

MAC Address.

Figure 19 is the flow chart of the switching method of another embodiment of the present invention.Figure 19 method is performed by base station.

191, base station indicates that source access point AP closes the BSS switching capabilities of the source AP, in order to which UE completes AP switchings under the control of the base station not via the control of the source AP.

192, the base station determines the first Basic Service Set BSS lists, and the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined.

193, the base station sends the first BSS lists to the UE, and in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

The embodiment of the present invention is by closing AP BSS switching capabilities so that base station can control UE AP to switch completely, so that UE can switch to participates in the preferably target AP that determines by base station, so as to improve Consumer's Experience.

Specifically, when base station determines to pass through WLAN shunt data, it can indicate that source AP closes its BSS switching capability, source AP closes BSS abilities after the instruction of base station is received, and indicate that its BSS for not supporting that AP is controlled switches to UE when being connected with UE foundation, so source AP is not involved in UE AP handoff procedures, realizes the AP switchings that base station is controlled completely.It should be understood that BSS switching capabilities mentioned here refer to the ability that UE carries out AP switchings in the case where AP is controlled completely.For example, can be set to by the value for the attribute whether source AP expression BSS switching capabilities are activated, " false is (false）" to cause source AP to close its BSS switching capability.Opisthogenesis AP can be according to base station instruction and some UE set up and connect, source AP to the UE currently connected indicates that it does not support AP to switch during connection is set up, then in subsequent process, and source AP will not initiate the process for controlling UE to carry out AP switchings.When determining to need to carry out AP switchings in base station or UE, UE can complete measurement under the control of base station, determine target AP, and issue AP switching commands to UE by base station, to cause UE to be switched to target AP.

Alternatively, as one embodiment, step 192, the base station determines that the first Basic Service Set BSS lists include：The base station determines the first BSS lists according to local policy.Wherein, the local policy of base station can pre-set or issued by the upper layer network element of base station.As an example, local policy can include following one or more：Choose service quality（Quality of Service, QoS) it is higher than the AP of threshold values;Choose the AP that signal quality is higher than threshold value;Choose load less than threshold value AP, wherein threshold value equally can be pre-set or by upper layer network element, such as base station controller, under Base station is issued, the present invention is not limited this.

In addition, for the AP with Cellular Networks and WLAN interoperabilities, can indicate that AP close its BSS switching capability by base station, can also manual configuration AP close its BSS switching capability.

The embodiment of the present invention is by closing AP BSS switching capabilities so that base station can be controlled completely

UE AP switchings, so that UE can switch to the preferably target AP that determination is participated in by base station, so as to improve Consumer's Experience.

Figure 20 is the schematic block diagram of the base station of one embodiment of the invention.Base station in Figure 20 includes indicating member 201, determining unit 202 and transmitting element 203.

Indicating member 201 is used for the BSS switching capabilities for indicating that source access point AP closes the source AP, in order to which UE completes AP switchings under the control of the base station not via the control of the source AP；Determining unit 202 is used to determine the first Basic Service Set BSS lists, and the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined；

Transmitting element 203 is used to send the first BSS lists to the UE, and in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

Or,

Indicating member 201 is used for the BSS switching capabilities that instruction user equipment UE closes the UE, in order to which the UE completes AP switchings under the control of the base station not via access point AP control；Determining unit 202 is used to determine the first Basic Service Set BSS lists, and the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined；

The base station 200 of the embodiment of the present invention is by closing UE or AP BSS switching capabilities so that base station can control UE AP to switch completely, is participated in determining by base station so that UE can switch to Preferably target AP, so as to improve Consumer's Experience.

Alternatively, as one embodiment, determining unit 202 specifically for：The base station determines the first BSS lists according to local policy.Wherein, the local policy of base station can be pre-set, It can be issued by the upper layer network element of base station.As an example, local policy can include following one or more：Choose service quality（Quality of Service, QoS) it is higher than the AP of threshold values;Choose the AP that signal quality is higher than threshold value;Choose AP of the load less than threshold value, wherein threshold value equally can be pre-set or by upper layer network element, such as base station controller is handed down to base station, and the present invention is not limited this.

Alternatively, base station 200 includes receiving unit, the corresponding BSS marks of the target AP for receiving UE transmissions.So that base station is able to know that the AP to be switched to that UE is finally determined.

MAC Address.

In addition, for the AP with Cellular Networks and WLAN interoperabilities, can indicate that AP closes its BSS switching capability by base station 200, can also manual configuration AP close its BSS switching capability.

The base station 200 of the embodiment of the present invention, by the BSS switching capabilities for closing UE or AP, base station 200 is enabled to control UE AP to switch completely, so that UE can switch to the preferably target AP for participating in determination by base station, so as to improve Consumer's Experience.

Figure 21 is the schematic block diagram of the base station of one embodiment of the invention.Figure 21 base station 210 includes processor 211, memory 212 and radiating circuit 213.Processor 211, memory 212 are connected with radiating circuit 213 by system bus 214.

Memory 212, which is used to store, causes processor 211 to perform the instruction operated below：Instruction user equipment UE or access point AP close the BSS switching capabilities of the UE or AP, in order to which the UE completes AP switchings under the control of the base station not via access point AP control；The first Basic Service Set BSS lists are determined, the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined；The first BSS lists are sent to the UE, in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

The base station 210 of the embodiment of the present invention, by the BSS switching capabilities for closing UE or AP, base station 210 is enabled to control UE AP to switch completely, so that UE can switch to the preferably target AP for participating in determination by base station, so as to improve Consumer's Experience.

In addition, base station 210 can also include receiving circuit 215 and antenna 216 etc..The operation of the control base station 210 of processor 211, processor 211 can also be referred to as CPU (Central Processing Unit, CPU）.Memory 212 can include read-only storage and random access memory, and provide instruction and data to processor 211.The a part of of memory 212 can also include nonvolatile RAM（ NVRAM ).In specific application, radiating circuit 213 and receiving circuit 215 may be coupled to antenna 216.Each component of base station 210 is coupled by bus system 214, and wherein bus system 214 can also include power bus, controlling bus and status signal bus in addition etc. in addition to including data/address bus.But for the sake of clear explanation, various buses are all designated as bus system 214 in figure.

The method that the embodiments of the present invention are disclosed can apply in processor 211, or be realized by processor 211.Processor 211 is probably a kind of IC chip, the disposal ability with signal.In implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 211 or the instruction of software form.Above-mentioned processor 211 can be general processor, digital signal processor（DSP), application specific integrated circuit（ASIC), ready-made programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components FPGA.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or the processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and perform completion, or perform completion with the hardware in decoding processor and software module combination.Software module can be located in random access memory, flash memory, read-only storage, the ripe storage medium in this area such as programmable read only memory or electrically erasable programmable memory, register.The storage medium is located at memory 212, and processor 211 reads the information in memory 212, the step of completing the above method with reference to its hardware.

It should be understood that the terms " and/or ", only a kind of incidence relation for describing affiliated partner, represents there may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, these three situations of individualism B.In addition, character "/" herein, typically represent forward-backward correlation object be it is a kind of " or " relation.

It should be understood that, in various embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and any limit is constituted without tackling the implementation process of the embodiment of the present invention.

Those of ordinary skill in the art are it is to be appreciated that the unit and algorithm steps of each example described with reference to the embodiments described herein, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel can use not Tongfang to each specific application Method realizes described function, but this realization is it is not considered that beyond the scope of this invention.

It is apparent to those skilled in the art that, the specific work process of the system of foregoing description, device and unit clean for the convenience and cylinder of description may be referred to the corresponding process in preceding method embodiment, will not be repeated here.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can realize by another way.For example, device embodiment described above is only schematical, for example, the division of the unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.

The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.

In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.

If the function is realized using in the form of SFU software functional unit and as independent production marketing or in use, can be stored in a computer read/write memory medium.Understood based on such, the part or the part of the technical scheme that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product is stored in a storage medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform all or part of step of each embodiment methods described of the invention.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（ROM, Read-Only Memory), random access memory（RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.

It is described above; only embodiment of the invention, but protection scope of the present invention is not limited thereto, any one skilled in the art the invention discloses technical scope in; change or replacement can be readily occurred in, should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

Claim

1. a kind of switching method, it is characterised in that including：

User equipment (UE) receives the first Basic Service Set BSS lists that base station is sent, and the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined；

The UE determines target access AP according to the first BSS lists;

The UE switches to the target AP from the source AP currently connected.

2. according to the method described in claim 1, it is characterised in that methods described also includes：The UE receives the 2nd BSS lists that the source AP is sent, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined, the 2nd BSS lists determine the target AP with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

3. method according to claim 2, it is characterised in that methods described also includes：The UE sends the 2nd BSS lists to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 2nd BSS lists and the base station.

4. according to the method in claim 2 or 3, it is characterised in that the UE determines target AP according to the first BSS lists, including：

When the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the signal quality that the UE identifies corresponding AP according to BSS in the common factor determines the target AP in the common factor;Or

When the first BSS lists and the 2nd BSS lists, which are not present, occurs simultaneously, the signal quality that the UE identifies corresponding AP according to BSS in the first BSS lists determines the target AP in the first BSS lists;Or

The signal quality that the UE identifies corresponding AP according to BSS in the first BSS lists determines the target AP in the first BSS lists.

5. the method according to any one of claim 2 to 4, it is characterised in that methods described also includes：

The UE determines to carry out AP switchings；

The UE sends the 3rd BSS lists to the source AP, and in order to which the source AP determines the 2nd BSS lists according to the 3rd BSS lists, the 3rd BSS lists include at least one BSS marks for the confession UE switchings that the UE is determined.

6. method according to claim 5, it is characterised in that the UE is sent out to the source AP The 3rd BSS lists are sent, including：

The UE sends handover management query messages to the source AP, and the handover management query messages include：

The 3rd BSS lists and the UE initiate the switch reasons of the AP switchings；

Wherein, the switch reasons are comprising at least one of following：

The signal quality of the source AP is less than predetermined threshold；

The service quality QoS of the source AP is less than predetermined threshold；

The UE has found that signal quality is higher than the AP of the source AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the source AP.

7. according to the method described in claim 1, it is characterised in that methods described also includes：The UE closes the BSS switching capabilities of the UE according to the instruction of the base station；

The UE sets up the AP switchings for not supporting AP to participate in or control to the source AP instructions UE when being connected with the source AP, in order to which the UE completes the switching to the target AP under the control of the base station not via the source AP.

8. the method according to any one of claim 1 to 7, it is characterised in that methods described also includes：

The UE sends the corresponding BSS of the target AP to the source AP and/or the base station and identified.9. the method according to any one of claim 1 to 8, it is characterised in that：

The BSS is designated the corresponding AP of BSS MAC address.

10. a kind of switching method, it is characterised in that including：

Base station determines the first Basic Service Set BSS lists, at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station；

The base station sends the first BSS lists to the UE, and in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

11. method according to claim 10, it is characterised in that methods described also includes：The base station receives the 2nd BSS lists that the UE is sent, the source AP that wherein described second BSS lists are currently connected by the UE is sent to the UE, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined, the 2nd BSS lists determine the target AP with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

12. method according to claim 11, it is characterised in that the base station determines the first BSS lists, including：

The base station determines the first BSS lists according to the local policy of the 2nd BSS lists and the base station.

13. the method according to claim 11 or 12, it is characterised in that：

When the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the first BSS lists and the 2nd BSS lists are used for the UE and the target AP are determined in the common factor according to the corresponding AP of BSS marks in common factor signal quality;Or

When the first BSS lists and the 2nd BSS lists, which are not present, occurs simultaneously, the first BSS lists are used for the UE and determine the target AP in the first BSS lists according to the corresponding AP of BSS marks in the first BSS lists signal quality;Or

The signal quality that the first BSS lists are used for APs of the UE according to corresponding to being identified BSS in the first BSS lists determines the target AP in the first BSS lists.

14. method according to claim 10, it is characterised in that methods described also includes：The base station indicates that the UE closes BSS switching capabilities, in order to which the UE indicates that the source AP closes BSS switching capabilities in base station described in the base station, in order to which the UE completes the switching to the target AP under the control of the base station not via the source AP.

15. the method according to any one of claim 10 to 14, it is characterised in that methods described also includes：

The base station receives the corresponding BSS marks of the target AP that the UE is sent.

16. the method according to any one of claim 10 to 15, it is characterised in that：

The BSS is designated the corresponding AP of BSS MAC address.

17. a kind of switching method, it is characterised in that including：

Source access point AP receives the first Basic Service Set BSS lists that base station is sent, at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station, the source

AP is the AP that the UE is currently connected;

The source AP determines the 2nd BSS lists according to the first BSS lists, and the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined；

The source AP sends the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and switches to the target AP from the source AP.

18. method according to claim 17, it is characterised in that methods described also includes：The source AP receives the 3rd BSS lists that the UE is sent, the 3rd BSS lists include at least one BSS marks for the confession UE switchings that the UE is determined, the 3rd BSS lists determine the 2nd BSS lists for the source AP with reference to the first BSS lists.

19. method according to claim 18, it is characterised in that the source AP determines the 2nd BSS lists according to the first BSS lists, including：

When the first BSS lists and the 3rd BSS lists, which exist, occurs simultaneously, the source AP is according to determination the 2nd BSS lists of occuring simultaneously；Or

When the first BSS lists and the 3rd BSS lists, which are not present, occurs simultaneously, the source AP determines the 2nd BSS lists according to the first BSS lists.

20. method according to claim 18, it is characterised in that methods described also includes：The source AP determines the 4th BSS lists according to the 3rd BSS lists, and the 4th BSS lists include at least one BSS marks for the confession UE switchings that the AP is determined；

The source AP sends the 4th BSS lists to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 4th BSS lists and the base station.

21. the method according to claim any one of 17-20, it is characterised in that the source AP sends the 2nd BSS lists to the UE, including：

The source AP sends handover management request message to the UE, and the handover management request message includes：

The 2nd BSS lists and the UE initiate the switch reasons of the AP switchings；

Wherein, the switch reasons are comprising at least one of following：

The signal quality of the source AP is less than predetermined threshold；

The service quality QoS of the source AP is less than predetermined threshold；

The UE has found that signal quality is higher than the AP of the source AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the source AP.

22. the method according to claim any one of 17-21, it is characterised in that methods described also includes：Mark.

23. the method according to claim any one of 17-22, it is characterised in that：

The BSS is designated the corresponding AP of BSS MAC address.

24. a kind of switching method, it is characterised in that including：

Base station determines the first Basic Service Set BSS lists, wherein at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station；

The base station sends the first BSS lists to the UE source access point AP currently connected, in order to which the source AP determines the 2nd BSS lists according to the first BSS lists and sends the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and the target AP is switched to from the source AP, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

25. method according to claim 24, it is characterised in that methods described also includes：The base station receives the 4th BSS lists that the source AP is sent, and the 4th BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

26. method according to claim 25, it is characterised in that the base station determines the first Basic Service Set BSS lists, including：

The first BSS lists are determined according to the local policy of the 4th BSS lists and the base station.

27. method according to claim 24, it is characterised in that the base station determines the first Basic Service Set BSS lists, including：

The first BSS lists are determined according to the local policy of the base station.

28. the method according to claim 26 or 27, it is characterised in that：

The 2nd BSS lists are what the source AP was determined according to the first BSS lists；Or the 2nd BSS lists are that the source AP is determined according to the common factor of the first BSS lists and the 3rd BSS lists, the 3rd BSS lists are sent to the source AP by the UE and identified comprising the confession UE that the UE is determined at least one BSS switched.

29. the method according to claim any one of 24-28, it is characterised in that methods described also includes：

The base station receives the corresponding BSS marks of the target AP for the UE determinations that the UE is sent.

30. the method according to claim any one of 24-29, it is characterised in that：

The BSS is designated the corresponding AP of BSS MAC address.

31. a kind of user equipment, it is characterised in that including：

Receiving unit, the first Basic Service Set BSS lists for receiving base station transmission, the first BSS lists include at least one BSS marks for the confession UE switchings that the base station is determined； Determining unit, for determining target access Α Ρ according to the first BSS lists;

Switch unit, for switching to the target Α Ρ from the source Α Ρ currently connected.

32. user equipment according to claim 31, it is characterised in that the receiving unit is additionally operable to：

The 2nd BSS lists that the source Α Ρ are sent are received, the 2nd BSS lists include the source

At least one BSS marks for the confession UE switchings that Α Ρ are determined, the 2nd BSS lists determine the target Α Ρ with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

33. user equipment according to claim 32, it is characterised in that the user equipment also includes transmitting element, the transmitting element is used for：

The 2nd BSS lists are sent to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 2nd BSS lists and the base station.

34. the user equipment according to claim 32 or 33, it is characterised in that the determining unit specifically for：

When the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the signal quality that corresponding Α Ρ are identified according to BSS in the common factor determines the target Α Ρ in the common factor;Or when the first BSS lists and the 2nd BSS lists are not present and occured simultaneously, the Α Ρ corresponding according to BSS marks in the first BSS lists signal quality determines the target Α Ρ in the first BSS lists;Or

The target Α Ρ are determined in the first BSS lists according to the corresponding Α Ρ of BSS marks in the first BSS lists signal quality.

35. the user equipment according to any one of claim 32 to 34, it is characterised in that：The determining unit is additionally operable to：The UE determines to carry out Α Ρ switchings；

The transmitting element is additionally operable to, the 3rd BSS lists are sent to the source Α Ρ, in order to which the source Α Ρ determine the 2nd BSS lists according to the 3rd BSS lists, the 3rd BSS lists include at least one BSS marks for the confession UE switchings that the UE is determined.

36. user equipment according to claim 35, it is characterised in that the transmitting element specifically for：

The 2nd BSS lists are sent to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 2nd BSS lists and the base station；

Handover management query messages are sent to the source Α Ρ, the handover management query messages include： The 3rd BSS lists and the UE initiate the switch reasons of the AP switchings；

Wherein, the switch reasons are comprising at least one of following：

The signal quality of the source AP is less than predetermined threshold；

The service quality QoS of the source AP is less than predetermined threshold；

The UE has found that signal quality is higher than the AP of the source AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the source AP.

37. user equipment according to claim 31, it is characterised in that the user equipment also includes switching capability unit, the switching capability unit is used for：

The BSS switching capabilities of the UE are closed according to the instruction of the base station；

The AP switchings for not supporting AP to participate in or control to the source AP instructions UE when being connected are set up with the source AP, are switched in order to which the UE completes AP under the control of the base station not via the source AP.

38. the user equipment according to any one of claim 31 to 37, it is characterised in that the transmitting element is additionally operable to：

The corresponding BSS marks of the target AP are sent to the source AP and/or the base station.

39. the user equipment according to any one of claim 31 to 38, it is characterised in that：The BSS is designated the corresponding AP of BSS MAC address.

40. a kind of base station, it is characterised in that including：

Determining unit, for determining the first Basic Service Set BSS lists, at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station；

Transmitting element, for sending the first BSS lists to the UE, in order to which the UE determines target access AP according to the first BSS lists, and the source AP currently connected from the UE switches to the target AP.

41. base station according to claim 40, it is characterised in that the base station also includes receiving unit, the receiving unit is used for：

Receive the 2nd BSS lists that the UE is sent, the source AP that wherein described second BSS lists are currently connected by the UE is sent to the UE, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined, the 2nd BSS lists determine the target AP with reference to the first BSS lists or determine the first BSS lists for the base station for the UE.

42. base station according to claim 41, it is characterised in that the determining unit specifically for： The first BSS lists are determined according to the local policy of the 2nd BSS lists and the base station.

43. the base station according to claim 41 or 42, it is characterised in that：

When the first BSS lists and the 2nd BSS lists, which exist, occurs simultaneously, the signal quality that the first BSS lists and the 2nd BSS lists are used to identify corresponding AP according to BSS in the common factor for the UE determines the target AP in the common factor;Or

When the first BSS lists and the 2nd BSS lists, which are not present, occurs simultaneously, the signal quality that the first BSS lists are used to identify corresponding AP according to BSS in the first BSS lists for the UE determines the target AP in the first BSS lists;Or

The signal quality that the first BSS lists are used for APs of the UE according to corresponding to being identified BSS in the first BSS lists determines the target AP in the first BSS lists.

44. base station according to claim 40, it is characterised in that the transmitting element is additionally operable to：Indicate that the UE closes BSS switching capabilities, in order to which the UE completes AP switchings under the control of the base station not via the source AP；Or

Indicate that the source AP closes BSS switching capabilities, in order to which the UE completes AP switchings under the control of the base station not via the source AP.

45. the base station according to any one of claim 40 to 44, it is characterised in that the receiving unit is additionally operable to：

Receive the corresponding BSS marks of the target AP that the UE is sent.

46. the base station according to any one of claim 40 to 45, it is characterised in that：

The BSS is designated the corresponding AP of BSS MAC address.

47.-kind of access point AP, it is characterised in that including：

Receiving unit, the first Basic Service Set BSS lists for receiving base station transmission, at least one BSS marks for the confession user equipment (UE) switching that the first BSS lists are determined comprising the base station, described access point AP is the AP that the UE is currently connected;

Determining unit, for determining the 2nd BSS lists, described first according to the first BSS lists

BSS lists include at least one BSS marks for the confession UE switchings that the determining unit is determined；Transmitting element, for sending the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and switches to the target AP from the UE AP currently connected.

48. access point according to claim 47, it is characterised in that the receiving unit is additionally operable to：The 3rd BSS lists that the UE is sent are received, the 3rd BSS lists are true comprising the UE At least one BSS marks of the fixed confession UE switchings, the 3rd BSS lists determine the 2nd BSS lists for the determining unit with reference to the first BSS lists.

49. access point according to claim 48, it is characterised in that the determining unit specifically for：

When the first BSS lists and the 3rd BSS lists, which exist, occurs simultaneously, according to determination the 2nd BSS lists of occuring simultaneously；Or

When the first BSS lists and the 3rd BSS lists, which are not present, occurs simultaneously, the 2nd BSS lists are determined according to the first BSS lists.

50. access point according to claim 48, it is characterised in that：

The determining unit is additionally operable to：

4th BSS lists are determined according to the 3rd BSS lists, the 4th BSS lists include at least one BSS marks for the confession UE switchings that the determining unit is determined；

The transmitting element is additionally operable to：

The 4th BSS lists are sent to the base station, in order to which the base station determines the first BSS lists according to the local policy of the 4th BSS lists and the base station.

51. the access point according to claim 48 or 49, it is characterised in that the transmitting element specifically for：

Handover management request message is sent to the UE, the handover management request message includes：The 2nd BSS lists and the UE initiate the switch reasons of the AP switchings；

Wherein, the switch reasons are comprising at least one of following：

The signal quality of the AP is less than predetermined threshold；

The service quality QoS of the AP is less than predetermined threshold；

The UE has found that signal quality is higher than the AP of the AP, wherein the corresponding BSS marks of AP of the 3rd BSS lists comprising the signal quality higher than the AP.

52. the access point according to claim any one of 47-51, it is characterised in that the receiving unit is additionally operable to：

53. the access point according to claim any one of 47-52, it is characterised in that：

The BSS is designated the corresponding AP of BSS MAC address.54. a kind of base station, it is characterised in that including：

Determining unit, for determining the first Basic Service Set BSS lists, wherein first BSS is arranged At least one BSS that table includes the confession user equipment (UE) switching determined by the determining unit is identified；Transmitting element, source access point AP for currently being connected to the UE sends the first BSS lists, in order to which the source AP determines the 2nd BSS lists according to the first BSS lists and sends the 2nd BSS lists to the UE, in order to which the UE determines target AP according to the 2nd BSS lists, and the source AP currently connected from the UE switches to the target AP, the 2nd BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

55. base station according to claim 54, it is characterised in that the base station also includes receiving unit, the receiving unit is used for：

The 4th BSS lists that the source AP is sent are received, wherein, the 4th BSS lists include at least one BSS marks for the confession UE switchings that the source AP is determined.

56. base station according to claim 55, it is characterised in that the determining unit specifically for：The first BSS lists are determined according to the local policy of the 4th BSS lists and the base station.

57. base station according to claim 54, it is characterised in that the determining unit specifically for：The first BSS lists are determined according to the local policy of the base station.

58. the base station according to claim 56 or 57, it is characterised in that：

The 2nd BSS lists are what the source AP was determined according to the first BSS lists；Or the 2nd BSS lists are that the source AP is determined according to the common factor of the first BSS lists and the 3rd BSS lists, wherein the 3rd BSS lists are sent to the source AP by the UE and identified comprising the confession UE that the UE is determined at least one BSS switched.

59. the base station according to claim any one of 54-58, it is characterised in that the receiving unit is additionally operable to：

60. the base station according to claim any one of 54-59, it is characterised in that：

The BSS is designated the corresponding AP of BSS MAC address.