CN102573010A - Multi-network-based data transmission method and device - Google Patents
Multi-network-based data transmission method and device Download PDFInfo
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Abstract
The invention discloses a multi-network-based data transmission method and a multi-network-based data transmission device. The multi-network-based data transmission method comprises the following steps: when a terminal receives a data transmission request of a user, querying the load conditions of all networks in sequence according to the decreasing sequence of the transmission performances of all the networks by the terminal; when the load condition of a current network is queried to be smaller than a first load threshold, regarding the current network as an access network by the terminal; and establishing a connection between the access network and the terminal and carrying out data transmission through the access network. According to the invention, the problem that multi-mode terminals in relevant technologies cannot use a network with a superior transmission performance is solved, and the terminal can select an appropriate network according to the load conditions of the networks, so that the network access quality of the terminal is increased and the load balance among heterogeneous networks is realized.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data transmission method and device based on many networks.
Background technology
In China, the general layout of Incumbent is to be determined by the second generation (2rd Generation abbreviates 2G as) network; After the third generation (3rd Generation abbreviates 3G as) network forms, the data service develop rapidly; Following LTE epoch are all the more so; The ability of WLAN (Wireless Local Area Network abbreviates WLAN as) is participated in into, can divide the stream significant impact to operator's data service cheaply.Therefore; China Mobile is faced with the operation present situation that four nets merge at present; Promptly comprise global mobile communication (Global system for Mobile Communication; Abbreviate GSM as), TD SDMA inserts Long Term Evolution (TD-SCDMA Long Term Evolution abbreviates TD-LTE as) and the WLAN of (Time Division-Synchronous Code Division Multiple Access abbreviates TD-SCDMA as), the TD-SCDMA coordinated development at four interior networks.GSM is the 2G network; At present domestic 2G voice user quantity is also very huge; Its enhancement techniques GPRS (General Packet Radio Service; Abbreviate GPRS as) the maximum in theory throughput that can support 171Kbps, be mainly used in voice-bearer and low-speed data service, so GSM in a long time also can long-term existence.TD-SCDMA is one of 3G technology; Its enhancement techniques high speed downlink packet inserts (High Speed Downlink PacketAccess; Abbreviate HSDPA as) the maximum in theory throughput that can support 2.8Mbps; Be mainly used in and carry video telephone and high speed data service, be used to satisfy the voice-and-data business demand, such as stronger device accesses of mobility demand such as mobile phone, intelligent machines.TD-LTE is ultra 3 g mobile communication (the Beyond Third Generation in mobile communication systerm of system; Abbreviate B3G as) technology; Further lifting has been arranged on the basis of TD-SCDMA network; Can carry high-speed data service, maximum can be supported the data throughout of descending 100Mbps and up 50Mbps, is mainly used in hot zones and the zone higher to network bandwidth requirement.WLAN has remarkable advantages as the wireless access way of a high speed on performance and ease for use, mainly solve the data transmission problems in the local area network (LAN), the transmission of high bandwidth can be provided, but its coverage is very limited, the performance of handoffs between subnet a little less than.
It is a development trend of current telecommunications industry that four nets merge, and can make full use of the advantage of various access networks through the network integration, accomplishes to have complementary advantages, and better meets user's network experience.Fig. 1 is the sketch map of under the heterogeneous network Collaborative environment, working according to the multi-module mobile terminal of correlation technique.As shown in Figure 1, multi-module mobile terminal (such as mobile phone, computer etc.) communicates through heterogeneous network, and heterogeneous network is made up of TD-LTE, TD-SCDMA, GSM and WLAN.Because the service distribution of user on time and zone has lack of uniformity; When carrying out resource allocation; May make the load of hot zones excessive; Cause the communication performance of network to descend rapidly easily, make that user's wireless access is professional, especially need take the data service of a large amount of wireless channels and frequency spectrum resource, its performance also can reduce significantly.Meanwhile, a large amount of Internet resources in other surrounding areas but are in idle condition.To this network presence, heterogeneous network is respectively having pluses and minuses again aspect coverage and the volume of business, and therefore, it is the inexorable trend of following wireless mobile communications development that the close collaboration between the heterogeneous network, the complementation of function are merged.The goal in research of heterogeneous network cooperation is to integrate to utilize the various wireless communication resource, gives full play to the advantage of different type network, and the communication service of multi-service, transparence, high satisfaction is provided for the mobile subscriber.
Can't use the problem of the more excellent network of transmission performance to multimode terminal in the correlation technique, not propose effective solution at present as yet.
Summary of the invention
Can't use the problem of the more excellent network of transmission performance to multimode terminal in the correlation technique, the invention provides a kind of data transmission method and device, to address the above problem at least based on many networks.
According to an aspect of the present invention; A kind of data transmission method based on many networks is provided; This method comprises: when the terminal received the user's data transmission requests, the loading condition of above-mentioned each network was inquired about at this terminal successively according to the transmission performance order from high to low of each network; When the loading condition that inquires current network during less than first load-threshold, this terminal with above-mentioned current network as access network; This terminal and above-mentioned access network connect, and carry out transfer of data through this access network.
Above-mentioned terminal is inquired about after the loading condition of above-mentioned each network successively according to the transmission performance order from high to low of each network; Said method also comprises: when the loading condition that inquires above-mentioned each network during all more than or equal to above-mentioned first load-threshold, above-mentioned terminal network that load in the loading condition of above-mentioned each network is minimum is as above-mentioned access network.
After above-mentioned terminal and above-mentioned access network connected, said method also comprised: above-mentioned terminal periodic detects the loading condition of above-mentioned access network; If the loading condition of above-mentioned access network is greater than second load-threshold, the loading condition of other network except that above-mentioned access network is inquired about successively according to the transmission performance order from high to low of above-mentioned each network in above-mentioned terminal; If the loading condition of the network of current inquiry is during less than above-mentioned first load-threshold, above-mentioned terminal with the network of above-mentioned current inquiry as new access network; Above-mentioned terminal switches to above-mentioned new access network, and carries out transfer of data through above-mentioned new access network.
Above-mentioned terminal comprises application processor (Application Processor abbreviates AP as) and Communication processor (Communication Processor abbreviates CP as); The loading condition that above-mentioned each network is inquired about successively according to the transmission performance order from high to low of each network in above-mentioned terminal comprises: above-mentioned terminal is according to the transmission performance order from high to low of above-mentioned each network; Send query requests to above-mentioned CP successively through above-mentioned AP; Wherein, above-mentioned query requests carries the sign of current desire requester network; Above-mentioned CP receives after the above-mentioned query requests, inquire about the loading condition of the corresponding network of the sign of above-mentioned network, and the result that will inquire about feeds back to above-mentioned AP.
It is one of following that above-mentioned network can comprise at least: GSM network, TD-SCDMA network, TD-LTE network, WLAN.
The transmission performance of above-mentioned each network order from high to low is WLAN, TD-LTE, TD-SCDMA, GSM.
According to a further aspect in the invention; A kind of data transmission device based on many networks is provided; This device comprises: the first loading condition enquiry module; Be used for when receiving the user's data transmission requests, inquire about the loading condition of above-mentioned each network according to the transmission performance order from high to low of each network successively; The first access network determination module, the loading condition that is used for inquiring current network at the above-mentioned first loading condition enquiry module be during less than first load-threshold, with above-mentioned current network as access network; First link block, the above-mentioned access network that is used for confirming with the above-mentioned first access network determination module connects; First data transmission module is used for carrying out transfer of data through the above-mentioned access network that the above-mentioned first access network determination module is confirmed.
Said apparatus can also comprise; The second access network determination module; The loading condition that is used for inquiring above-mentioned each network at the above-mentioned first loading condition enquiry module is during all more than or equal to above-mentioned first load-threshold, and the network that load in the loading condition of above-mentioned each network is minimum is as above-mentioned access network.
Said apparatus can also comprise: the loading condition detection module is used for the loading condition of the above-mentioned access network of cycle detection; The second loading condition enquiry module; The loading condition that is used for detecting above-mentioned access network at above-mentioned loading condition detection module is during greater than second load-threshold; According to the transmission performance order from high to low of above-mentioned each network, inquire about the loading condition of other network except that above-mentioned access network successively; The 3rd access network determination module, the loading condition of network that is used for inquiring current inquiry at the above-mentioned second loading condition enquiry module be during less than above-mentioned first load-threshold, with the network of above-mentioned current inquiry as new access network; Second link block is used to switch to the above-mentioned new access network that above-mentioned the 3rd access network determination module is confirmed; Second data transmission module is used for carrying out transfer of data through the above-mentioned new access network that above-mentioned the 3rd access network determination module is confirmed.
The above-mentioned first loading condition enquiry module can comprise: the WLAN query unit is used to inquire about the loading condition of wlan network; TD-LTE query unit, the loading condition that is used for inquiring above-mentioned wlan network at the above-mentioned first loading condition enquiry module be during more than or equal to above-mentioned first load-threshold, the loading condition of inquiry TD-LTE network; TD-SCDMA query unit, the loading condition that is used for inquiring above-mentioned TD-LTE network at the above-mentioned first loading condition enquiry module be during more than or equal to above-mentioned first load-threshold, the loading condition of inquiry TD-SCDMA network; GSM query unit, the loading condition that is used for inquiring above-mentioned TD-SCDMA network at the above-mentioned first loading condition enquiry module be during more than or equal to above-mentioned first load-threshold, the loading condition of inquiry GSM network.
Through the present invention, the loading condition of above-mentioned each network is inquired about successively in the terminal according to the transmission performance order from high to low of each network when receiving the user's data transmission requests; When the loading condition that inquires current network during less than first load-threshold; This terminal should current network as access network, and connect with it, carry out transfer of data through this access network; Solved the problem that multimode terminal in the correlation technique can't use transmission performance more excellent network; Make the terminal select suitable network, improved the quality of accessing terminal to network, reached the load balance between heterogeneous network according to the loading condition of network.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map of under the heterogeneous network Collaborative environment, working according to the multi-module mobile terminal of correlation technique;
Fig. 2 is the flow chart based on the data transmission method of many networks according to the embodiment of the invention;
Fig. 3 is according to the AP of the end side of the embodiment of the invention and the structural representation of CP;
Fig. 4 is the flow chart based on the access type data transmission method of many networks according to the embodiment of the invention;
Fig. 5 is the flow chart based on the suitching type data transmission method of many networks according to the embodiment of the invention;
Fig. 6 is the flow chart according to the suitching type data transmission method of correspondence four networks of the embodiment of the invention;
Fig. 7 is the structured flowchart based on the data transmission device of many networks according to the embodiment of the invention;
Fig. 8 is the structured flowchart based on the data transmission device of many networks according to the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
In existing network selecting mode, mainly be that network is selected in reference with the signal strength signal intensity, the strong network of the preferential retention signal in terminal, and the network of this moment possibly reach higher load condition, can not high quality services be provided to the user.Based on this; The embodiment of the invention provides a kind of data transmission method and device based on many networks; The embodiment of the invention with access type and the mode that the suitching type load balancing combines, selects suitable network to carry out transfer of data with the loading condition of each network foundation as a reference.Be elaborated through specific embodiment below.
Present embodiment provides a kind of data transmission method based on many networks, the flow chart of data transmission method based on many networks as shown in Figure 2, and this method may further comprise the steps (step S202-step S206):
Step S202, when the terminal received the user's data transmission requests, the loading condition of above-mentioned each network was inquired about at this terminal successively according to the transmission performance order from high to low of each network;
Step S204, when the loading condition that inquires current network during less than first load-threshold, this terminal with above-mentioned current network as access network;
Step S206, this terminal and above-mentioned access network connect, and carry out transfer of data through this access network.
Through said method, the loading condition of above-mentioned each network is inquired about successively in the terminal according to the transmission performance order from high to low of each network when receiving the user's data transmission requests; When the loading condition that inquires current network during less than first load-threshold; This terminal should current network as access network, and connect with it, carry out transfer of data through this access network; Solved the problem that multimode terminal in the correlation technique can't use transmission performance more excellent network; Make the terminal select more excellent network, improved the quality of accessing terminal to network, reached the load balance between heterogeneous network according to the loading condition of network.
In above-mentioned steps S202; When the terminal receives the user's data transmission requests; The loading condition of above-mentioned each network is inquired about at this terminal successively according to the transmission performance order from high to low of each network; If the loading condition that inquires current network is less than first load-threshold, this terminal with above-mentioned current network as access network; If the loading condition that inquires above-mentioned each network is all more than or equal to above-mentioned first load-threshold, this terminal network that load in the loading condition of above-mentioned each network is minimum is as above-mentioned access network.Wherein, above-mentioned first load-threshold is used for judging whether the loading condition of current network is enough little, if the loading condition of current network enough little (promptly less than first load-threshold), the terminal just can select this network as access network so.The clear introduction of aforesaid way selected the process of suitable networks as access network, improved the efficient of data transmission service.
Above-mentioned network can comprise with one of lower network at least: GSM network, TD-SCDMA network, TD-LTE network, WLAN.The transmission performance of above-mentioned each network order from high to low is WLAN, TD-LTE, TD-SCDMA, GSM.Above-mentioned terminal can comprise AP and CP, and the load balancing of heterogeneous network is realized at the terminal through the architecture mode of AP+CP.Shown in Figure 3 is according to the AP of the end side of the embodiment of the invention and the structural representation of CP; As shown in Figure 3, AP is an application module, mainly is responsible for network insertion and switch decision; CP is a communication module; Comprise TD-LTE, TD-SCDMA, GSM modem submodule and WLAN submodule, mainly be responsible for heterogeneous network loading condition monitoring and report, and for request responding processing such as AP load query, handover networks etc.
In above-mentioned steps S202, the loading condition of above-mentioned each network is inquired about successively according to the transmission performance order from high to low of each network in the terminal, the AP and the CP that introduce corresponding to above-mentioned Fig. 3; The detailed process of this inquiry mode can be: when the user initiates data service request; The terminal through the query requests of AP to each network load condition of CP transmission, carries sign in this query requests successively according to the priority orders of WLAN-＞TD-LTE-＞TD-SCDMA-＞GSM; CP can learn the loading condition of which network of desire inquiry according to this sign; After the CP inquiry is accomplished then, the result who inquires about is fed back to AP, AP analyzes judgement according to the load information that CP returns; Optimize the proper network of loading condition as access network; Above-mentioned then terminal and this access network are set up packet data protocol (Packet Data Protocol abbreviates PDP as) link, carry out transfer of data.
Inquiry mode to above-mentioned network load condition; Present embodiment provides a kind of preferred implementation; Be transmission performance from high to low the order of above-mentioned terminal according to above-mentioned each network; Send query requests to CP successively through AP, wherein, this query requests carries the sign of current desire requester network; CP receives after the above-mentioned query requests, inquire about the loading condition of the corresponding network of the sign of above-mentioned network, and the result that will inquire about feeds back to AP.By the way, AP matches with CP, effectively inquires the loading condition of each network, for selecting suitable network the basis is provided.
Be elaborated below in conjunction with preferred embodiment and accompanying drawing implementation procedure to the foregoing description.
When the terminal receives the user's data transmission requests; Through access internet through browsers, AP issues the query requests of loading condition at first with the priority orders of WLAN-＞TD-LTE-＞TD-SCDMA-＞GSM with the mode of AT order such as the user; AP handles according to the Query Result (such as load parameter information) of CP feedback accordingly then; Thereby select suitable network, and connect, carry out transfer of data with it.Fig. 4 is the flow chart based on the access type data transmission method of many networks according to the embodiment of the invention, and as shown in Figure 4, this method may further comprise the steps (step S402-step S428):
Step S402, the user initiates data transfer request, and AP sends the query requests for the loading condition of WLAN to CP.
After step S404, CP inquired about the loading condition of WLAN, the load parameter information that reports WLAN was to AP.
Whether step S406, AP judge the WLAN present load less than the low load threshold values L (being the first above-mentioned load-threshold) that sets, if, execution in step S428, if not, execution in step S408.
Step S408, AP sends the query requests for the loading condition of TD-LTE to CP.
After step S410, CP inquired about the loading condition of TD-LTE, the load parameter information that reports TD-LTE was to AP.
Whether step S412, AP judge the TD-LTE present load less than L, if, execution in step S428, if not, execution in step S414.
Step S414, AP sends the query requests for the loading condition of TD-SCDMA to CP.
After step S416, CP inquired about the loading condition of TD-SCDMA, the load parameter information that reports TD-SCDMA was to AP.
Whether step S418, AP judge the TD-SCDMA present load less than L, if, execution in step S428, if not, execution in step S420.
Step S420, AP sends the query requests for the loading condition of GSM to CP.
After step S422, CP inquired about the loading condition of GSM, the load parameter information that reports GSM was to AP.
Whether step S424, AP judge the GSM present load less than L, if, execution in step S428, if not, execution in step S426.
Step S426, AP carry out the relatively judgement of the loading condition of above-mentioned four networks, select the minimum network of load as access network.
Step S428, the AP request inserts this access network, sets up the PDP link with this access network, carries out transfer of data through this access network.
In the above-mentioned access type data transmission method based on many networks; Its loading condition is inquired about successively according to the priority orders of many networks in the terminal, thereby optimizes suitable network, has improved the data transmission quality at terminal; And idling-resource is fully utilized, the resource utilization of network is provided.
The terminal is linked into after the suitable access network, begins to carry out transfer of data, in data transmission procedure; The situation of this access network overload may occur,, carry out in the process of transfer of data through access network at the terminal based on this; The loading condition of all right above-mentioned access network of cycle detection; So that can adjust access network at any time, the fastest optimum network of transmission performance as access network, is guaranteed the quality of data service.
AP and CP corresponding to above-mentioned Fig. 3 introduction; The detailed process of this switching mode can be: after the terminal begins data service; CP can periodic monitor terminal network of living in loading condition; When the current network load reaches the higher threshold H (being above-mentioned second load-threshold) of appointment, give AP with relevant load parameter information reporting with the mode of AT order.After AP gets access to this load parameter information; Send the query requests of each network load condition immediately to CP with the priority orders of WLAN-＞TD-LTE-＞TD-SCDMA-＞GSM; And analyze judgement according to the load information that CP returns, if inquire the load of a certain network be lower than appointment than low valve valve L the time, AP promptly stops follow-up offered load inquiry; And require to switch to the lighter network of this load and proceed data service, CP responds the PDP link switchover work of the line correlation of going forward side by side.If other offered loads that inquire are all higher, then do not switch, continue to use former network.
To above-mentioned switching mode, present embodiment provides a kind of preferred implementation, and after above-mentioned terminal and above-mentioned access network connected, said method can also comprise: this terminal periodic detected the loading condition of above-mentioned access network; If the loading condition of this access network is greater than second load-threshold, the loading condition of other network except that this access network is inquired about successively according to the transmission performance order from high to low of above-mentioned each network in this terminal; If the loading condition of the network of current inquiry is during less than above-mentioned first load-threshold, this terminal with the network of above-mentioned current inquiry as new access network; This terminal switches to above-mentioned new access network, and carries out transfer of data through this new access network.Wherein, above-mentioned second load-threshold is used for judging whether current network transships, if current network overload (promptly greater than second load-threshold), the terminal just can switch to other more excellent networks so.
Fig. 5 is the flow chart based on the suitching type data transmission method of many networks according to the embodiment of the invention; Present embodiment uses the data service of the TD-SCDMA network carrying to be example so that the terminal is current; As shown in Figure 5, this method may further comprise the steps (step S502-step S528):
Step S502, the data service of the current use in the terminal TD-SCDMA network carrying, the loading condition of CP monitoring TD-SCDMA.
The load that step S504, CP monitor TD-SCDMA is higher than the load threshold values H of appointment, and then the mode with the AT order reports AP with overload messages.The network of current access has been introduced extra load information, has strengthened network overhead thus.For this, the loading condition of CP monitor network can be taked periodic communication mode, and according to the demand of system, the assessment that makes an experiment selects more rational polling cycle.
After step S506, AP get access to the overload messages of TD-SCDMA, issue query requests immediately for the loading condition of WLAN.
After step S508, CP inquired about the loading condition of WLAN, the load parameter information that reports WLAN was to AP.
Whether step S510, AP judge the WLAN present load less than the low load threshold values L that sets, if, execution in step S526, if not, execution in step S512.
Step S512, AP sends the query requests for the loading condition of TD-LTE to CP.
After step S514, CP inquired about the loading condition of TD-LTE, the load parameter information that reports TD-LTE was to AP.
Whether step S516, AP judge the TD-LTE present load less than L, if, execution in step S526, if not, execution in step S518.
Step S518, AP sends the query requests for the loading condition of GSM to CP.
After step S520, CP inquired about the loading condition of GSM, the load parameter information that reports GSM was to AP.
Whether step S522, AP judge the GSM present load less than L, if, execution in step S526, if not, execution in step S524.
Step S524, the GSM present load explains that greater than L each network all is in the situation of high capacity, does not then do any change action, still uses former network to carry out data service, then execution in step S528.
Step S526 inquires low laod network, and AP issues the professional request to this low laod network of switch data with the mode of AT order, and the PDP link switchover that CP is correlated with uses low laod network to proceed data service.
When the network switching is carried out at the terminal in the data service use, possibly cause the risk that upper-layer service is interrupted.For this; Can make up PDP management level, no matter which kind of network bottom uses set up the PDP link, all to AP same Internet protocol (Internet Protocol is provided; Abbreviate IP as) address; Realize the professional seamless switching between heterogeneous networks of packet switching (Packet Switch abbreviates PS as), reduce the risk at upper-layer service terminal.
Step S528, above-mentioned flow process finishes.
During other network carrying data services of the current use in terminal; The operation flow of terminal switching and network access and the flow process of the foregoing description are similar basically, and the flow chart of the suitching type data transmission method of correspondence four networks as shown in Figure 6 is after CP monitors network over loading; AP then initiates the load query request to other three networks with set priority orders; After finding low laod network, then switch to this low laod network, the terminal is used and should be proceeded data service by low laod network.
Step S602, data transmission service is carried out at the terminal.
Step S604 judges the network of current bearing data service, if wlan network, execution in step S606a, if the TD-LTE network, execution in step S606b, if the TD-SCDMA network, execution in step S606c, if the GSM network, execution in step S606d.
Step S606a-step S622a; Under the situation of current use wlan network bearing data service; After CP monitors network over loading; AP then initiates the load query request to other three networks with set priority orders, and the process of the more excellent network of terminal selection and the flow process of above-mentioned Fig. 5 are similar, repeat no more at this.
Step S606b-step S622b; Under the situation of current use TD-LTE network carrying data service; After CP monitors network over loading; AP then initiates the load query request to other three networks with set priority orders, and the process of the more excellent network of terminal selection and the flow process of above-mentioned Fig. 5 are similar, repeat no more at this.
Step S606c-step S622c; Under the situation of current use TD-SCDMA network carrying data service; After CP monitors network over loading; AP then initiates the load query request to other three networks with set priority orders, and the terminal selects the process of more excellent network identical with the flow process of above-mentioned Fig. 5, repeats no more at this.
Step S606d-step S622d; Under the situation of current use GSM network carrying data service; After CP monitors network over loading; AP then initiates the load query request to other three networks with set priority orders, and the process of the more excellent network of terminal selection and the flow process of above-mentioned Fig. 5 are similar, repeat no more at this.
Step S624, AP issues switch decision, the PDP link switchover that CP is correlated with.
Step S626, this flow process finishes.
Since the access type load balancing can only the control terminal access network process, belong to passive load balancing, the adjustment convergence rate of load balancing can be slow.The mode that therefore can combine with the suitching type load balancing through access type, balanced from initiating data service to finishing omnidistance control load, realize the omnidistance policy control of data service, remedy the access type load balancing and adjusted the slower defective of convergence rate.It is the interference to the stabilizing network environment that but network switches, and too frequent switching can cause the shake and the instability of network performance.For this, can combine the management and the control of switching fast, increase protection mechanisms such as avoiding frequent switching and handoff failure control.
Corresponding to above-mentioned data transmission method based on many networks; Present embodiment provides a kind of data transmission device based on many networks; This device can be arranged on end side and realize; Fig. 7 is the structured flowchart based on the data transmission device of many networks according to the embodiment of the invention, and as shown in Figure 7, said apparatus comprises: the first loading condition enquiry module 70, the first access network determination module 72, first link block 74 and first data transmission module 76.Describe in the face of this structure down.
The first loading condition enquiry module 70 is used for when receiving the user's data transmission requests, inquires about the loading condition of above-mentioned each network successively according to the transmission performance order from high to low of each network;
The first access network determination module 72 is connected to the first loading condition enquiry module 70, and the loading condition that is used for inquiring current network at the first loading condition enquiry module 70 is during less than first load-threshold, with above-mentioned current network as access network;
First data transmission module 76 is connected to first link block 74, is used for carrying out transfer of data through the above-mentioned access network that the first access network determination module 72 is confirmed.
Pass through said apparatus; When receiving the user's data transmission requests; The first loading condition enquiry module 70 is inquired about the loading condition of above-mentioned each network successively according to the transmission performance order from high to low of each network; When the loading condition that inquires current network during less than first load-threshold; The first access network determination module 72 should current network as access network, first link block 74 connects with above-mentioned access network then, first data transmission module 76 carries out transfer of data through this access network.Solved the problem that multimode terminal in the correlation technique can't use the more excellent network of transmission performance, made the terminal select more excellent network, improve the quality of accessing terminal to network, reached the load balance between heterogeneous network according to the loading condition of network.
The first loading condition enquiry module 70 is inquired about after the loading condition of above-mentioned each network successively according to the transmission performance order from high to low of each network; If the loading condition that inquires above-mentioned each network is all more than or equal to above-mentioned first load-threshold, the network that the terminal can be minimum with load in the loading condition of above-mentioned each network is as above-mentioned access network.Wherein, above-mentioned first load-threshold is used for judging whether the loading condition of current network is enough little, if the loading condition of current network enough little (promptly less than first load-threshold), the terminal just can select this network as access network so.
For aforesaid way; Present embodiment provides a kind of preferred implementation; It is that said apparatus can also comprise: the second access network determination module; The loading condition that is used for inquiring above-mentioned each network at the first loading condition enquiry module 70 is during all more than or equal to above-mentioned first load-threshold, and the network that load in the loading condition of above-mentioned each network is minimum is as above-mentioned access network.The clear introduction of this mode selected the process of suitable networks as access network, improved the efficient of data transmission service.
Above-mentioned network can comprise with one of lower network at least: GSM network, TD-SCDMA network, TD-LTE network, WLAN.The transmission performance of above-mentioned each network order from high to low is WLAN, TD-LTE, TD-SCDMA, GSM.Fig. 8 is the structured flowchart based on the data transmission device of many networks according to the embodiment of the invention; As shown in Figure 8; This device is except comprising each module shown in Fig. 7, and the above-mentioned first loading condition enquiry module 70 can comprise: WLAN query unit 700, TD-LTE query unit 702, TD-SCDMA query unit 704 and GSM query unit 706.Describe in the face of this structure down.
WLAN query unit 700 is used to inquire about the loading condition of above-mentioned wlan network;
TD-LTE query unit 702, the loading condition that is used for inquiring above-mentioned wlan network at the above-mentioned first loading condition enquiry module 70 are inquired about the loading condition of above-mentioned TD-LTE network during more than or equal to above-mentioned first load-threshold;
TD-SCDMA query unit 704, the loading condition that is used for inquiring above-mentioned TD-LTE network at the above-mentioned first loading condition enquiry module 70 are inquired about the loading condition of above-mentioned TD-SCDMA network during more than or equal to above-mentioned first load-threshold;
GSM query unit 706, the loading condition that is used for inquiring above-mentioned TD-SCDMA network at the above-mentioned first loading condition enquiry module 70 be during more than or equal to above-mentioned first load-threshold, the loading condition of inquiry said GSM network.
The terminal is linked into after the suitable access network, begins to carry out transfer of data, in data transmission procedure; The situation of this access network overload may occur,, carry out in the process of transfer of data through access network at the terminal based on this; The loading condition of all right above-mentioned access network of cycle detection; So that can adjust access network at any time, the fastest optimum network of transmission performance as access network, is guaranteed the quality of data service.
Based on this, present embodiment provides a kind of preferred implementation, and said apparatus can also comprise: the loading condition detection module is used for the loading condition of the above-mentioned access network of cycle detection; The second loading condition enquiry module; The loading condition that is used for detecting above-mentioned access network at above-mentioned loading condition detection module is during greater than second load-threshold; According to the transmission performance order from high to low of above-mentioned each network, inquire about the loading condition of other network except that above-mentioned access network successively; The 3rd access network determination module, the loading condition of network that is used for inquiring current inquiry at the above-mentioned second loading condition enquiry module be during less than above-mentioned first load-threshold, with the network of above-mentioned current inquiry as new access network; Second link block is used to switch to the above-mentioned new access network that above-mentioned the 3rd access network determination module is confirmed; Second data transmission module is used for carrying out transfer of data through the above-mentioned new access network that above-mentioned the 3rd access network determination module is confirmed.
When the relatively poor situation of overload or network environment appearred in the network that inserts when the terminal, through above-mentioned preferred implementation, the terminal can switch in the more excellent network of transmission performance, thereby improves the quality of transfer of data.And, the mode that can combine with the suitching type load balancing through access type, balanced from initiating data service to finishing omnidistance control load, remedied the slower defective of access type load balancing adjustment convergence rate.
From above description, can find out; The embodiment of the invention with the loading condition of network as main reference frame; Take into full account heterogeneous network to the professional bearing capacity of data, the user always is in the very fast more excellent network of transmission performance, guaranteed the heterogeneous network load balancing; Guarantee simultaneously with load gentlier and faster network be engaged in data service, for the user brings better network experience.And; Owing to a large number of users in the short time move or professional arrive cause the hot localised points area appears in certain period; And the surrounding area traffic carrying capacity is on the low side, and most of communication resource is in idle condition, through the embodiment of the invention; Idling-resource is fully utilized, improved network resource utilization.And; Cellular Networks and WLAN are in the outstanding feature that has aspect coverage and the volume of business separately; Hand-in-glove between the two; Through the dynamic uniform distribution of embodiment of the invention realization offered load, promptly the traffic carrying capacity of network communicates with resource maintenance matching relationship, and then has improved the professional providing capability and the service behaviour of network.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. data transmission method based on many networks is characterized in that comprising:
When the terminal received the user's data transmission requests, the loading condition of said each network was inquired about at said terminal successively according to the transmission performance order from high to low of each network;
When the loading condition that inquires current network during less than first load-threshold, said terminal with said current network as access network;
Said terminal and said access network connect, and carry out transfer of data through said access network.
2. method according to claim 1 is characterized in that, said terminal is inquired about after the loading condition of said each network according to the transmission performance order from high to low of each network successively, and said method also comprises;
When the loading condition that inquires said each network during all more than or equal to said first load-threshold, said terminal network that load in the loading condition of said each network is minimum is as said access network.
3. method according to claim 1 is characterized in that, after said terminal and said access network connected, said method also comprised:
Said terminal periodic detects the loading condition of said access network;
If the loading condition of said access network is greater than second load-threshold, the loading condition of other network except that said access network is inquired about successively according to the transmission performance order from high to low of said each network in said terminal;
If the loading condition of the network of current inquiry is during less than said first load-threshold, said terminal with the network of said current inquiry as new access network;
Said terminal switches to said new access network, and carries out transfer of data through said new access network.
4. method according to claim 1 is characterized in that, said terminal comprises application processor AP and Communication processor CP;
The loading condition that said each network is inquired about successively according to the transmission performance order from high to low of each network in said terminal comprises:
Query requests is sent to said CP according to the transmission performance order from high to low of said each network through said AP successively in said terminal, and wherein, said query requests carries the sign of current desire requester network;
Said CP receives after the said query requests, inquire about the loading condition of the corresponding network of the sign of said network, and the result that will inquire about feeds back to said AP.
5. according to each described method among the claim 1-4, it is characterized in that it is one of following that said network comprises at least:
Global mobile communication GSM network, TD SDMA insert TD-SCDMA network, the Long Term Evolution TD-LTE network of TD-SCDMA, WLAN WLAN.
6. method according to claim 5 is characterized in that, the transmission performance of said each network order from high to low is WLAN, TD-LTE, TD-SCDMA, GSM.
7. data transmission device based on many networks is characterized in that comprising:
The first loading condition enquiry module is used for when receiving the user's data transmission requests, inquires about the loading condition of said each network successively according to the transmission performance order from high to low of each network;
The first access network determination module, the loading condition that is used for inquiring current network at the said first loading condition enquiry module be during less than first load-threshold, with said current network as access network;
First link block, the said access network that is used for confirming with the said first access network determination module connects;
First data transmission module is used for carrying out transfer of data through the said access network that the said first access network determination module is confirmed.
8. device according to claim 7 is characterized in that, said device also comprises:
The second access network determination module; The loading condition that is used for inquiring said each network at the said first loading condition enquiry module is during all more than or equal to said first load-threshold, and the network that load in the loading condition of said each network is minimum is as said access network.
9. device according to claim 7 is characterized in that, said device also comprises:
The loading condition detection module is used for the loading condition of the said access network of cycle detection;
The second loading condition enquiry module; The loading condition that is used for detecting said access network at said loading condition detection module is during greater than second load-threshold; According to the transmission performance order from high to low of said each network, inquire about the loading condition of other network except that said access network successively;
The 3rd access network determination module, the loading condition of network that is used for inquiring current inquiry at the said second loading condition enquiry module be during less than said first load-threshold, with the network of said current inquiry as new access network;
Second link block is used to switch to the said new access network that said the 3rd access network determination module is confirmed;
Second data transmission module is used for carrying out transfer of data through the said new access network that said the 3rd access network determination module is confirmed.
10. according to each described device among the claim 7-9, it is characterized in that the said first loading condition enquiry module comprises:
The WLAN query unit is used to inquire about the loading condition of WLAN wlan network;
TD-LTE query unit, the loading condition that is used for inquiring said wlan network at the said first loading condition enquiry module be during more than or equal to said first load-threshold, the loading condition of the Long Term Evolution TD-LTE network of inquiry TD-SCDMA;
TD-SCDMA query unit, the loading condition that is used for inquiring said TD-LTE network at the said first loading condition enquiry module are during more than or equal to said first load-threshold, and the inquiry TD SDMA inserts the loading condition of TD-SCDMA network;
GSM query unit, the loading condition that is used for inquiring said TD-SCDMA network at the said first loading condition enquiry module be during more than or equal to said first load-threshold, the loading condition of inquiry global mobile communication GSM network.
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| CN201210004234.4A CN102573010B (en) | 2012-01-06 | 2012-01-06 | Data transmission method and device based on Multi net voting |
| PCT/CN2012/073815 WO2013102329A1 (en) | 2012-01-06 | 2012-04-11 | Multi-network-based data transmission method and device |
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| CN201210004234.4A CN102573010B (en) | 2012-01-06 | 2012-01-06 | Data transmission method and device based on Multi net voting |
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| WO2013102329A1 (en) | 2013-07-11 |
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