CN105554855A - Method and device for selecting access network - Google Patents
Method and device for selecting access network Download PDFInfo
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- CN105554855A CN105554855A CN201511026890.4A CN201511026890A CN105554855A CN 105554855 A CN105554855 A CN 105554855A CN 201511026890 A CN201511026890 A CN 201511026890A CN 105554855 A CN105554855 A CN 105554855A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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Abstract
The invention discloses a method for selecting an access network. The method comprises: when receiving a call request initiated by a first terminal, acquiring network service information of at least two access networks currently registered by a second terminal; according to the network service information of the access networks currently registered by the second terminal, selecting one of the at least two access networks as a target access network; and sending the call request to the second terminal on the selected target access network, so that the second terminal establishes a call connection with the first terminal via the target network. The embodiments of the invention further disclose a device for selecting an access network. By adopting the method and the device, the called pass rate can be improved, higher network service quality can be provided for users, and the pressure of network service can be relieved.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of system of selection and device of access network.
Background technology
IMS (IPMultimediaSubsystem, IP Multimedia System) be the system of an application layer, this system is set up on the packet-switched domain, this system is except supporting E-UTRAN (EvolvedUMTSTerrestrialRadioAccessNetwork, the UMTS Terrestrial radio access network of evolution), UTRAN (UMTSTerrestrialRadioAccessNetwork, the universal terrestrial access network of evolution) and GERAN (GSMEDGERadioAccessNetwork, GSM EDGE Radio Access Network) access outside, also support other multiple access technology, such as: wireless local area WLAN (WirelessLocalAreaNetworks) access and Wireless Fidelity WiFi (Wireless-Fidelity) access.Current operator is just realizing the function of LTE (LongTermEvolution, Long Term Evolution) voice calling service VoLTE (VoiceoverLTE) and WiFi voice calling service VoWiFi (VoiceoverWiFi) at research and utilization IMS.
In the prior art scheme, circuit switching (CS) access network and VoLTE access network are resided in simultaneously for calling terminal, can be registered by terminal or which access network of user oneself choice for use and be made a call, circuit switching (CS) access network and VoLTE access network are resided in simultaneously for terminal called, T-ADS (TerminatedAccessDomainSelection, access domain selection) by comparing SGSN (ServingGPRSSUPPORTNODE, Serving GPRS Support Node) and MME (MobilityManagementEntity, mobile management module) in user determine actual which network of access of user the last activity time.If user's last activity time that MME preserves is up-to-date, then terminal called selects VoLTE access network to land, if user's last activity time that SGSN preserves is up-to-date, then terminal called selects CS access network to land.But this mode does not consider the actual bearer ability of current network, during as occurred the problems such as congested, fault on a certain network, there will be called failed problem.
Summary of the invention
The embodiment of the present invention provides a kind of system of selection and device of access network.Called call completion ratio can be improved, improve higher network service quality to user, and the pressure of network service can be alleviated.
Embodiments provide a kind of system of selection of access network, comprising:
When receiving the call request that first terminal is initiated, obtain the information of network service of at least two kinds of access networks of the current registration of the second terminal;
According to the information of network service of the access network of the current registration of described second terminal, from described at least two kinds of access networks, choose a kind of access network as target access network;
The described target access network chosen sends described call request to described second terminal, sets up to converse by described target access network and described first terminal to make described second terminal and be connected.
Wherein, described information of network service comprises the bearing capacity that described access network provides for described second terminal, the information of network service of the described access network according to the current registration of described second terminal, from described at least two kinds of access networks, choose a kind of access network comprise as target access network:
The bearing capacity that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The maximum access network of the bearing capacity provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
Wherein, described information of network service comprises the network quality that described access network provides for described second terminal, the information of network service of the described access network according to the current registration of described second terminal, from described at least two kinds of access networks, choose a kind of access network comprise as target access network:
The network quality that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The access network of the network quality optimum provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
Wherein, described when receiving the call request that first terminal is initiated, the information of network service obtaining at least two kinds of access networks of the current registration of described second terminal comprises:
When receiving the call request that first terminal is initiated, send inquiry request to Service Database, to make the information of network service of described Service Database at least two kinds of access networks according to described inquiry request inquiry;
Receive the information of network service of described at least two kinds of access networks that described Service Database returns.
Wherein, described access network comprises VoLTE network, VoWIFI network and CS network.
Correspondingly, embodiments provide a kind of choice device of access network, comprising:
Data obtaining module, for when receiving the call request that first terminal is initiated, obtains the information of network service of at least two kinds of access networks of the current registration of the second terminal;
Network chooses module, for the information of network service of the access network according to the current registration of described second terminal, chooses a kind of access network as target access network from described at least two kinds of access networks;
Request forward module, for forwarding described call request to described second terminal in the described target access network chosen, setting up to converse by described objective network and described first terminal to make described second terminal and is connected.
Wherein, described information of network service comprises the bearing capacity that described access network provides for described second terminal, described network choose module specifically for:
The bearing capacity that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The maximum access network of the bearing capacity provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
Wherein, described information of network service comprises the network quality that described access network provides for described second terminal, described network choose module specifically for:
The network quality that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The access network of the network quality optimum provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
Wherein, described data obtaining module comprises:
Request transmitting unit, for when receiving the call request that first terminal is initiated, sends inquiry request to Service Database, to make the information of network service of described Service Database at least two kinds of access networks according to described inquiry request inquiry;
Information receiving unit, for receive described Service Database return described in the information of network service of at least two kinds of access networks.
Wherein, described access network comprises VoLTE network, VoWIFI network and CS network.
Implementing the embodiment of the present invention, first when receiving the call request that first terminal is initiated, obtaining the information of network service of at least two kinds of access networks of the current registration of the second terminal; Then according to the information of network service of the access network of the current registration of the second terminal, from least two kinds of access networks, a kind of access network is chosen as target access network; Last in the target access network chosen, send call request to the second terminal, set up to converse by target access network and first terminal to make the second terminal and be connected.Thus improve called call completion ratio, improve higher network service quality to user, and the pressure of network service can be alleviated.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the first embodiment flow chart of the system of selection of a kind of access network that the present invention proposes;
Fig. 2 is the structural representation of a kind of access network selective system that the embodiment of the present invention provides;
Fig. 3 is the second embodiment flow chart of the system of selection of a kind of access network that the present invention proposes;
Fig. 4 is the structural representation of the choice device of a kind of access network that the embodiment of the present invention provides;
Fig. 5 is the structural representation of the data obtaining module in the device that provides of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 1 is the first embodiment flow chart of the system of selection of a kind of access network that the present invention proposes.As shown in the figure, the executive agent in the embodiment of the present invention is service server, and the method in the embodiment of the present invention comprises:
S101, when receiving the call request that first terminal is initiated, obtains the information of network service of at least two kinds of access networks of the current registration of the second terminal.
In specific implementation, when receiving the call request that first terminal is initiated, send inquiry request to Service Database, to make the information of network service of described Service Database at least two kinds of access networks according to described inquiry request inquiry; Receive the information of network service of described at least two kinds of access networks that described Service Database returns.Wherein, described access network comprises VoLTE network, VoWIFI network and CS (2G/3G/4G) network.
As shown in Figure 2, whole operation system can be divided into four layers, comprises Business treatment, IMS session control, bearer network and Access Network etc.Every layer can process different data services.First first terminal is by the call request (carry the number of second terminal) of current stayed access network (as VoLTE network) initiation for the second terminal, after S-CSCF (S-CallSessionControlFunction) network element belonging to first terminal receives call request, according to the I-CSCF network element belonging to number inquiry second terminal of the second terminal, then call request is transmitted to I-CSCF (I-CallSessionControlFunction) network element belonging to the second terminal inquired, this I-CSCF network element receives after this message related to calls to the S-CSCF network element belonging to the access network of the current registration of HLR/HSS data base querying second terminal and the second terminal, and then second S-CSCF network element belonging to terminal send call request to MMTelAS/SCCAS service server, MMTelAS/SCCAS service server is from the information of network service of the access network of the current registration of HLR/HSS data base querying second terminal.
It should be noted that, HLR/HSS database purchase the second terminal current login state at each access network, this HLR/HSS database initiates to the access network of the current registration of the second terminal the inquiry request that network domains selects information T-ADS, and respective T-ADS information and information of network service are returned to HLR/HSS database by the access network of the current registration of the second terminal.
S102, according to the information of network service of the access network of the current registration of described second terminal, chooses a kind of access network as target access network from described at least two kinds of access networks.
In specific implementation, described information of network service comprises the bearing capacity that described access network provides for described second terminal, can compare the bearing capacity that described at least two kinds of access networks are respectively described second terminal and provide; The maximum access network of the bearing capacity provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
Optionally, described information of network service comprises the network quality that described access network provides for described second terminal, compares the network quality that described at least two kinds of access networks are respectively described second terminal and provide; The access network of the network quality optimum provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
S103, the described target access network chosen sends described call request to described second terminal, sets up to converse to be connected to make described second terminal by described target access network and described first terminal.
Such as: the current registration of the second terminal access network comprise VoLTE network, VoWIFI network and CS (2G/3G/4G) network, if service server determines that the information of network service of current VoLTE access network is optimum, then on VoLTE access network, described call request can be forwarded to the second terminal, after second terminal receives call request, can determine that the information of network service of current VoLTE access network is optimum, set up to converse by VoLTE access network and first terminal and be connected.
In embodiments of the present invention, first when receiving the call request that first terminal is initiated, the information of network service of at least two kinds of access networks of the current registration of the second terminal is obtained; Then according to the information of network service of the access network of the current registration of the second terminal, from least two kinds of access networks, a kind of access network is chosen as target access network; Last in the target access network chosen, send call request to the second terminal, set up to converse by target access network and first terminal to make the second terminal and be connected.Thus improve called call completion ratio, improve higher network service quality to user, and the pressure of network service can be alleviated.
Please refer to Fig. 3, Fig. 3 is the second embodiment flow chart of the system of selection of a kind of access network that the present invention proposes.As shown in the figure, the executive agent in the embodiment of the present invention is service server, and the method in the embodiment of the present invention comprises:
S301, when receiving the call request that first terminal is initiated, obtains the information of network service of at least two kinds of access networks of the current registration of the second terminal.
In specific implementation, when receiving the call request that first terminal is initiated, send inquiry request to Service Database, to make the information of network service of described Service Database at least two kinds of access networks according to described inquiry request inquiry; Receive the information of network service of described at least two kinds of access networks that described Service Database returns.Wherein, described access network comprises VoLTE network, VoWIFI network and CS (2G/3G/4G) network.
As shown in Figure 2, whole operation system can be divided into four layers, comprises Business treatment, IMS session control, bearer network and Access Network etc.Every layer can process different data services.First first terminal is by the call request (carry the number of second terminal) of current stayed access network (as VoLTE network) initiation for the second terminal, after S-CSCF (S-CallSessionControlFunction) network element belonging to first terminal receives call request, according to the I-CSCF network element belonging to number inquiry second terminal of the second terminal, then call request is transmitted to I-CSCF (I-CallSessionControlFunction) network element belonging to the second terminal inquired, this I-CSCF network element receives after this message related to calls to the S-CSCF network element belonging to the access network of the current registration of HLR/HSS data base querying second terminal and the second terminal, and then second S-CSCF network element belonging to terminal send call request to MMTelAS/SCCAS service server, MMTelAS/SCCAS service server is from the information of network service of the access network of the current registration of HLR/HSS data base querying second terminal.
It should be noted that, HLR/HSS database purchase the second terminal current login state at each access network, this HLR/HSS database initiates to the access network of the current registration of the second terminal the inquiry request that network domains selects information T-ADS, and respective T-ADS information and information of network service are returned to HLR/HSS database by the access network of the current registration of the second terminal.
S302, the bearing capacity that more described access network provides for described second terminal and the network quality that described access network provides for described second terminal, and from described at least two kinds of access networks, choose a kind of access network as target access network according to comparative result.
In specific implementation, described information of network service comprises bearing capacity that described access network provides for described second terminal and the network quality that described access network provides for described second terminal.Maximum and the access network of network quality optimum that provides of the bearing capacity provided for described second terminal at least two kinds of access networks described in can choosing is as described target access network.
S303, the described target access network chosen sends described call request to described second terminal, sets up to converse to be connected to make described second terminal by described target access network and described first terminal.
Such as: the current registration of the second terminal access network comprise VoLTE network, VoWIFI network and CS (2G/3G/4G) network, if service server determines that the information of network service of current VoLTE access network is optimum, then on VoLTE access network, described call request can be forwarded to the second terminal, after second terminal receives call request, determine that the information of network service of current VoLTE access network is optimum, set up to converse by VoLTE access network and first terminal and be connected.
In embodiments of the present invention, first when receiving the call request that first terminal is initiated, the information of network service of at least two kinds of access networks of the current registration of the second terminal is obtained; Then according to the information of network service of the access network of the current registration of the second terminal, from least two kinds of access networks, a kind of access network is chosen as target access network; Last in the target access network chosen, send call request to the second terminal, set up to converse by target access network and first terminal to make the second terminal and be connected.Thus improve called call completion ratio, improve higher network service quality to user, and the pressure of network service can be alleviated.
Please refer to Fig. 4, Fig. 4 is the structural representation of the choice device of a kind of access network that the embodiment of the present invention provides.As shown in the figure, the device in the embodiment of the present invention comprises:
Data obtaining module 401, for when receiving the call request that first terminal is initiated, obtains the information of network service of at least two kinds of access networks of the current registration of the second terminal.
In specific implementation, as shown in Figure 5, data obtaining module 401 may further include:
Request transmitting unit 501, for when receiving the call request that first terminal is initiated, sends inquiry request to Service Database, to make the information of network service of described Service Database at least two kinds of access networks according to described inquiry request inquiry.
Information receiving unit 502, for receive described Service Database return described in the information of network service of at least two kinds of access networks.Wherein, described access network comprises VoLTE network, VoWIFI network and CS (2G/3G/4G) network.
As shown in Figure 2, whole operation system can be divided into four layers, comprises Business treatment, IMS session control, bearer network and Access Network etc.Every layer can process different data services.First first terminal is by the call request (carry the number of second terminal) of current stayed access network (as VoLTE network) initiation for the second terminal, after S-CSCF (S-CallSessionControlFunction) network element belonging to first terminal receives call request, according to the I-CSCF network element belonging to number inquiry second terminal of the second terminal, then call request is transmitted to I-CSCF (I-CallSessionControlFunction) network element belonging to the second terminal inquired, this I-CSCF network element receives after this message related to calls to the S-CSCF network element belonging to the access network of the current registration of HLR/HSS data base querying second terminal and the second terminal, and then second S-CSCF network element belonging to terminal send call request to MMTelAS/SCCAS service server, MMTelAS/SCCAS service server is from the information of network service of the access network of the current registration of HLR/HSS data base querying second terminal.
It should be noted that, HLR/HSS database purchase the second terminal current login state at each access network, this HLR/HSS database initiates to the access network of the current registration of the second terminal the inquiry request that network domains selects information T-ADS, and respective T-ADS information and information of network service are returned to HLR/HSS database by the access network of the current registration of the second terminal.
Network chooses module 402, for the information of network service of the access network according to the current registration of described second terminal, chooses a kind of access network as target access network from described at least two kinds of access networks.
In specific implementation, described information of network service comprises the bearing capacity that described access network provides for described second terminal, can compare the bearing capacity that described at least two kinds of access networks are respectively described second terminal and provide; The maximum access network of the bearing capacity provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
Optionally, described information of network service comprises the network quality that described access network provides for described second terminal, compares the network quality that described at least two kinds of access networks are respectively described second terminal and provide; The access network of the network quality optimum provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.In addition, can choose described in the maximum and access network of network quality optimum that provides of the bearing capacity that provides for described second terminal at least two kinds of access networks as described target access network.
Request forward module 403, for forwarding described call request to described second terminal in the described target access network chosen, setting up to converse by described objective network and described first terminal to make described second terminal and is connected.
Such as: the current registration of the second terminal access network comprise VoLTE network, VoWIFI network and CS (2G/3G/4G) network, if service server determines that the information of network service of current VoLTE access network is optimum, then on VoLTE access network, described call request can be forwarded to the second terminal, after second terminal receives call request, determine that the information of network service of current VoLTE access network is optimum, set up to converse by VoLTE access network and first terminal and be connected.
In embodiments of the present invention, first when receiving the call request that first terminal is initiated, the information of network service of at least two kinds of access networks of the current registration of the second terminal is obtained; Then according to the information of network service of the access network of the current registration of the second terminal, from least two kinds of access networks, a kind of access network is chosen as target access network; Last in the target access network chosen, send call request to the second terminal, set up to converse by target access network and first terminal to make the second terminal and be connected.Thus improve called call completion ratio, improve higher network service quality to user, and the pressure of network service can be alleviated.
It should be noted that, for each embodiment of the method aforesaid, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, certain some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, storage medium can comprise: flash disk, read-only memory are (English: Read-OnlyMemory, be called for short: ROM), random access device (English: RandomAccessMemory, RAM), disk or CD etc. be called for short:.
The content download method provided the embodiment of the present invention above and relevant device, system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a system of selection for access network, is characterized in that, described method comprises:
When receiving the call request that first terminal is initiated, obtain the information of network service of at least two kinds of access networks of the current registration of the second terminal;
According to the information of network service of the access network of the current registration of described second terminal, from described at least two kinds of access networks, choose a kind of access network as target access network;
The described target access network chosen sends described call request to described second terminal, sets up to converse by described target access network and described first terminal to make described second terminal and be connected.
2. the method for claim 1, it is characterized in that, described information of network service comprises the bearing capacity that described access network provides for described second terminal, the information of network service of the described access network according to the current registration of described second terminal, from described at least two kinds of access networks, choose a kind of access network comprise as target access network:
The bearing capacity that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The maximum access network of the bearing capacity provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
3. the method for claim 1, it is characterized in that, described information of network service comprises the network quality that described access network provides for described second terminal, the information of network service of the described access network according to the current registration of described second terminal, from described at least two kinds of access networks, choose a kind of access network comprise as target access network:
The network quality that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The access network of the network quality optimum provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
4. the method as described in claim 1-3 any one, is characterized in that, described when receiving the call request that first terminal is initiated, the information of network service obtaining at least two kinds of access networks of the current registration of described second terminal comprises:
When receiving the call request that first terminal is initiated, send inquiry request to Service Database, to make the information of network service of described Service Database at least two kinds of access networks according to described inquiry request inquiry;
Receive the information of network service of described at least two kinds of access networks that described Service Database returns.
5. method as claimed in claim 4, it is characterized in that, described access network comprises VoLTE network, VoWIFI network and CS network.
6. a choice device for access network, is characterized in that, described device comprises:
Data obtaining module, for when receiving the call request that first terminal is initiated, obtains the information of network service of at least two kinds of access networks of the current registration of the second terminal;
Network chooses module, for the information of network service of the access network according to the current registration of described second terminal, chooses a kind of access network as target access network from described at least two kinds of access networks;
Request forward module, for forwarding described call request to described second terminal in the described target access network chosen, setting up to converse by described objective network and described first terminal to make described second terminal and is connected.
7. device as claimed in claim 6, it is characterized in that, described information of network service comprises the bearing capacity that described access network provides for described second terminal, described network choose module specifically for:
The bearing capacity that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The maximum access network of the bearing capacity provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
8. device as claimed in claim 6, it is characterized in that, described information of network service comprises the network quality that described access network provides for described second terminal, described network choose module specifically for:
The network quality that described at least two kinds of access networks are respectively described second terminal and provide is compared;
The access network of the network quality optimum provided for described second terminal at least two kinds of access networks described in choosing is as described target access network.
9. the device as described in claim 6-8 any one, is characterized in that, described data obtaining module comprises:
Request transmitting unit, for when receiving the call request that first terminal is initiated, sends inquiry request to Service Database, to make the information of network service of described Service Database at least two kinds of access networks according to described inquiry request inquiry;
Information receiving unit, for receive described Service Database return described in the information of network service of at least two kinds of access networks.
10. device as claimed in claim 9, it is characterized in that, described access network comprises VoLTE network, VoWIFI network and CS network.
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| CN201511026890.4A CN105554855A (en) | 2015-12-30 | 2015-12-30 | Method and device for selecting access network |
| PCT/CN2016/080835 WO2017113556A1 (en) | 2015-12-30 | 2016-04-29 | Method and device for selecting access network |
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| CN201511026890.4A CN105554855A (en) | 2015-12-30 | 2015-12-30 | Method and device for selecting access network |
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| US10728816B2 (en) | 2015-12-31 | 2020-07-28 | British Telecommunications Public Limited Company | Assisted handover to VoLTE in case of VoWiFi failure |
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| CN108156615A (en) * | 2016-12-06 | 2018-06-12 | 展讯通信（上海）有限公司 | User terminal and its method and device that mobile communication service is provided |
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| CN108462967A (en) * | 2017-02-22 | 2018-08-28 | 展讯通信（上海）有限公司 | Mobile terminal and its processing method of data service |
| CN108462967B (en) * | 2017-02-22 | 2021-10-15 | 展讯通信（上海）有限公司 | Mobile terminal and data service processing method thereof |
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| US11974218B2 (en) | 2017-03-31 | 2024-04-30 | British Telecommunications Public Limited Company | Access network selection |
| US11032746B2 (en) | 2017-06-23 | 2021-06-08 | British Telecommunications Public Limited Company | Voice service handover |
| US11197204B2 (en) | 2017-06-23 | 2021-12-07 | British Telecommunications Public Limited Company | Voice service handover |
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| US11337077B2 (en) | 2018-03-29 | 2022-05-17 | British Telecommunications Public Limited Company | Method of channel selection in a wireless network |
| US12137383B2 (en) | 2018-10-16 | 2024-11-05 | British Telecommunications Public Limited Company | Measuring channel performance in wireless local area networks |
| CN111107607A (en) * | 2018-10-29 | 2020-05-05 | 中国移动通信集团安徽有限公司 | Method for determining access domain and auxiliary method for determining access domain |
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| WO2017113556A1 (en) | 2017-07-06 |
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