WO2019136821A1 - Procédé de sélection de réseau et appareil de terminal, dispositif informatique et support de stockage - Google Patents
Procédé de sélection de réseau et appareil de terminal, dispositif informatique et support de stockage Download PDFInfo
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- WO2019136821A1 WO2019136821A1 PCT/CN2018/079156 CN2018079156W WO2019136821A1 WO 2019136821 A1 WO2019136821 A1 WO 2019136821A1 CN 2018079156 W CN2018079156 W CN 2018079156W WO 2019136821 A1 WO2019136821 A1 WO 2019136821A1
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- terminal
- network
- indication information
- voice service
- network side
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- 238000010187 selection method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 108
- 230000008569 process Effects 0.000 claims abstract description 54
- 238000004590 computer program Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
- H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
Definitions
- the present invention relates to network technologies, and in particular, to a method, an apparatus, a computer device, and a storage medium for a terminal to perform network selection.
- the fallback process may be performed to fall back to the 4G network.
- Figure 1 is a schematic diagram of a conventional fallback process. As shown in FIG. 1, when the condition 1a or 1b is satisfied, that is, when the terminal receives a voice call or needs to initiate a voice call, it can fall back to the 4G network by sending a Service Request message.
- the fallback capability of the terminal is optional, that is, some terminals support the fallback capability, and some terminals do not support the fallback capability. Then, when the terminal does not support the fallback capability, if the network side does not support 5G voice. If the service (Voice over 5G) does not support the active triggering fallback capability, the terminal attached to the 5G network cannot perform voice services. In response to this problem, there is no effective solution in the prior art.
- the present invention provides a method, an apparatus, a computer device, and a storage medium for performing network selection by a terminal, which can ensure the normal operation of the voice service as much as possible.
- a method for a terminal to perform network selection including:
- the terminal sends the drop capability indication information of the terminal to the network side during the registration process to the network side;
- the terminal acquires the indication information returned by the network side, where the indication information includes at least information about whether the network side supports the voice service, and performs network selection according to the indication information.
- a method for a terminal to perform network selection including:
- the terminal sends the mode information of the terminal to the network side;
- the terminal acquires the indication information returned by the network side, where the indication information includes at least information about whether the network side supports the voice service, and performs network selection according to the indication information.
- a method for a terminal to perform network selection including:
- the network side obtains the drop capability indication information sent by the terminal;
- the network side returns the indication information to the terminal, where the indication information includes at least information about whether the network side supports the voice service, so that the terminal performs network selection according to the indication information.
- a method for a terminal to perform network selection including:
- the network side acquires the mode information sent by the terminal;
- the network side returns the indication information to the terminal, where the indication information includes at least information about whether the network side supports the voice service, so that the terminal performs network selection according to the indication information.
- a terminal device includes: a first sending unit and a first selecting unit;
- the first sending unit is configured to send the drop capability indication information of the terminal to the network side during the registration process to the network side;
- the first selecting unit is configured to obtain the indication information returned by the network side, where the indication information includes at least information about whether the network side supports the voice service, and performs network selection according to the indication information.
- a terminal device includes: a second sending unit and a second selecting unit;
- the second sending unit is configured to send the mode information of the terminal to the network side during the registration process of the terminal to the network side;
- the second selecting unit is configured to obtain the indication information returned by the network side, where the indication information includes at least information about whether the network side supports the voice service, and performs network selection according to the indication information.
- a network side device includes: a first acquiring unit and a first indicating unit;
- the first obtaining unit is configured to acquire, according to the registration process, the drop capability indication information sent by the terminal;
- the first indication unit is configured to return indication information to the terminal, where the indication information includes at least information about whether the network side supports voice service, so that the terminal performs network selection according to the indication information.
- a network side device includes: a second acquiring unit and a second indicating unit;
- the second obtaining unit is configured to acquire the mode information sent by the terminal during the registration process
- the second indication unit is configured to return the indication information to the terminal, where the indication information includes at least information about whether the network side supports the voice service, so that the terminal performs network selection according to the indication information.
- a computer apparatus comprising a memory, a processor, and a computer program stored on the memory and operative on the processor, the processor implementing the method as described above.
- a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements a method as described above.
- the terminal may send the drop capability indication information to the network side during the registration process, or send the mode information to the network side, and obtain the indication information returned by the network side, where At least the information about whether the network side supports the voice service is included, and the network selection can be performed according to the indication information, so as to ensure the normal operation of the voice service as much as possible.
- Figure 1 is a schematic diagram of a conventional fallback process.
- FIG. 2 is a flow chart of a first embodiment of a method for a terminal to perform network selection according to the present invention.
- FIG. 3 is a flowchart of a second embodiment of a method for performing network selection by a terminal according to the present invention.
- FIG. 4 is a flow chart of a third embodiment of a method for a terminal to perform network selection according to the present invention.
- FIG. 5 is a flowchart of a fourth embodiment of a method for a terminal to perform network selection according to the present invention.
- FIG. 6 is a schematic structural diagram of a first embodiment of a terminal device according to the present invention.
- FIG. 7 is a schematic structural diagram of a second embodiment of a terminal device according to the present invention.
- FIG. 8 is a schematic structural diagram of a first embodiment of a network side device according to the present invention.
- FIG. 9 is a schematic structural diagram of a second embodiment of a network side device according to the present invention.
- FIG. 10 illustrates a block diagram of an exemplary computer system/server 12 suitable for use in implementing embodiments of the present invention.
- FIG. 2 is a flow chart of a first embodiment of a method for a terminal to perform network selection according to the present invention. As shown in FIG. 2, the following specific implementation manners are included.
- the terminal sends the terminal's fallback capability indication information to the network side during the registration process to the network side.
- the terminal acquires the indication information returned by the network side, where at least the information about whether the network side supports the voice service is included, and the network selection is performed according to the indication information.
- the terminal may carry the drop-off capability indication information of the terminal in the sent registration request, that is, the network-side terminal is required to support the fallback capability, and the specific format of the fallback capability indication information is not limited.
- the network may return the corresponding indication information to the terminal according to whether the voice service is supported by the network, and the indication information may be carried in the registration reply message returned by the network to the terminal.
- the terminal acquires the indication information returned by the network side, and can perform network selection by using the obtained indication information.
- the terminal If the terminal does not support the fallback capability and the network side does not support the voice service, the terminal obtains the indication information of the voice service that is not supported by the network side; if the terminal is in the voice centric mode, the terminal selects the domain through the domain. The second network is attached, and the second network supports the voice service; if the terminal is in the data centric mode, the terminal remains in the first network where it is currently located.
- the first network is a 5G network
- the second network is a 4G network.
- the registration reply message returned to the terminal may carry the indication that the voice over PS session is not supported. Instructions.
- the terminal After the terminal obtains the indication information on the network side, different operations may be performed based on the mode in which the terminal is located. For example, if the terminal is in the voice-centric mode, the domain can be selected to be attached to the 4G network. When the voice service needs to be performed, the terminal can be directly executed on the 4G network. If the terminal is in the data-centric mode, the terminal can remain at the current state. The 5G network in which it resides is processed in the existing way, and the domain is not selected to other networks.
- the terminal If the terminal supports the fallback capability and the network side does not support the voice service, the terminal acquires the indication information and the fallback indication information of the voice service that is not supported by the network side; the terminal remains in the first network where the current network is located, and the voice service needs to be performed. When it falls back to the second network, the second network supports the voice service.
- the first network is a 5G network
- the second network is a 4G network.
- the indication that does not support the “Voice over PS Session” may be carried in the registration reply message returned to the terminal.
- the information may carry the fallback indication information at the same time, so that the terminal performs the fallback process when the voice service needs to be performed.
- the terminal After receiving the indication information on the network side, the terminal can still remain in the current 5G network. When the voice service needs to be executed, the terminal will fall back to the 4G network.
- the terminal obtains the indication information of the voice service that is returned by the network side; the terminal remains in the first network where the terminal is currently located, and when the voice service needs to be performed, the voice service is performed on the first network.
- the first network is a 5G network
- the second network is a 4G network.
- the indication message supporting the “Voice over PS Session” may be carried in the registration reply message returned to the terminal.
- the terminal After obtaining the indication information on the network side, the terminal can still be maintained on the current 5G network. When the voice service needs to be executed, the terminal can directly perform the operation on the 5G network.
- the terminal If the terminal supports the fallback capability and the network side supports the voice service, the terminal obtains the indication information and the fallback indication information of the voice service that is not supported by the network side; the terminal remains in the first network where the current network is located, and when the voice service needs to be performed, Fall back to the second network, the second network supports voice services.
- the first network is a 5G network
- the second network is a 4G network.
- the network side After the network side obtains the drop-off capability indication information of the terminal, it determines that the terminal supports the fallback capability. Although the network side supports the voice service, the device can still carry the indication in the registration reply message returned to the terminal, taking into account the load situation, the user priority, and the like.
- the indication information of the "Voice over PS Session" is not supported, and the fallback indication information may be carried at the same time, so that the terminal performs the fallback process when the voice service needs to be performed.
- the terminal After receiving the indication information on the network side, the terminal can still remain in the current 5G network. When the voice service needs to be executed, the terminal will fall back to the 4G network.
- the fallback capability indication information may include the following 1) or 2):
- the terminal supports the RRC (Radio Resource Control) redirection to fall back to the second network, such as the 4G network, and can initiate a connection establishment that ensures the continuity of the IP continuity;
- RRC Radio Resource Control
- the network side can correctly select the IP address that keeps the newly established connection on the original gateway and the IP address connected to the original network. ;
- the terminal supports the initiative to initiate a service request (Service Request) message request to fall back.
- Service Request Service Request
- the reason why the network side does not support "Voice over PS Session" may include:
- the network side does not support the handover process based on the N26 interface of the system, and the indication of the fallback capability reported by the terminal indicates that the terminal does not support the connection establishment that ensures the continuity of the IP continuity after the RRC redirection is dropped back to the 4G network.
- the network side does not support the handover process based on the N26 interface of the system, and does not support the process of “establishing a connection establishment with the same IP continuity after the RRC redirection falls back to the 4G network”.
- FIG. 3 is a flowchart of a second embodiment of a method for performing network selection by a terminal according to the present invention. As shown in FIG. 3, the following specific implementation manners are included.
- the terminal sends the mode information of the terminal to the network side during the registration process to the network side.
- the terminal acquires the indication information returned by the network side, where at least the information about whether the network side supports the voice service is included, and the network selection is performed according to the indication information.
- the terminal may carry the drop-down capability indication information of the terminal in the registration request, and the terminal may not carry the fallback capability indication information in the registration request.
- the mode information of the terminal may be sent to the network side, and the subsequent network side may also carry the indication information in the registration reply message returned to the terminal, so that the terminal performs network selection according to the obtained indication information.
- the terminal acquires the indication information and the fallback indication information of the voice service that is not supported by the network side; if the terminal does not support the fallback capability, the terminal selects the second through the domain. The network is attached, and the second network supports the voice service. If the terminal supports the fallback capability, the terminal remains in the first network where it is currently located. When the voice service needs to be performed, the terminal falls back to the second network.
- the first network is a 5G network
- the second network is a 4G network.
- the registration reply message returned to the terminal may carry the indication that "Voice over PS Session" is not supported.
- the indication information may also carry the fallback indication information, so that the terminal performs the fallback process when the voice service needs to be performed.
- the terminal may perform different operations based on whether it supports the fallback capability. For example, if the terminal does not support the fallback capability, then the domain can be selected to be attached to the 4G network. When the voice service needs to be executed, it is directly executed on the 4G network. If the terminal supports the fallback capability, the terminal can remain in the current 5G network. When the voice service needs to be executed, it will fall back to the 4G network.
- the terminal If the terminal is in the voice-centric mode and the network side supports the voice service, the terminal acquires the indication information of the voice service that is returned by the network side; the terminal remains in the first network where the current network is located, and when the voice service needs to be performed, A network performs voice services.
- the first network is a 5G network
- the second network is a 4G network.
- the indication that supports the “Voice over PS Session” may be carried in the registration reply message returned to the terminal. information.
- the terminal After obtaining the indication information on the network side, the terminal can still be maintained on the current 5G network. When the voice service needs to be executed, the terminal can directly perform the operation on the 5G network.
- the terminal If the terminal is in data-centric mode, the terminal remains in the first network where it is currently located.
- the first network is a 5G network
- the second network is a 4G network.
- the network side can perform the registration process normally, without considering the voice service support problem, so that the terminal remains in the current 5G network.
- FIG. 4 is a flow chart of a third embodiment of a method for a terminal to perform network selection according to the present invention. As shown in FIG. 4, the following specific implementation manners are included.
- the network side acquires the fallback capability indication information sent by the terminal.
- the network side returns indication information to the terminal, where at least information about whether the network side supports the voice service is included, so that the terminal performs network selection according to the indication information.
- the terminal may carry the drop-off capability indication information of the terminal in the sent registration request, that is, tell the network-side terminal whether the support-down capability is supported.
- the network may return the corresponding indication information to the terminal according to whether the voice service is supported by the terminal, so that the terminal performs network selection according to the indication information, and the indication information may be carried in the network side to return the registration to the terminal. Reply to the message.
- the network side If the terminal does not support the fallback capability and the network side does not support the voice service, the network side returns the indication information that does not support the voice service, so that when the terminal is in the voice-centric mode, the domain is selected to be attached to the second network.
- the second network supports voice services.
- the terminal When in the data-centric mode, the terminal remains in the first network where it is currently located.
- the first network is a 5G network
- the second network is a 4G network.
- the registration reply message returned to the terminal may carry the indication that the voice over PS session is not supported. Instructions.
- the terminal After the terminal obtains the indication information on the network side, different operations may be performed based on the mode in which the terminal is located. For example, if the terminal is in the voice-centric mode, then the domain can be selected to be attached to the 4G network. When the voice service needs to be executed, it is directly executed on the 4G network. If the terminal is in the data-centric mode, the terminal can remain at the current location. The 5G network is processed in the existing way, and the domain is not selected to other networks.
- the network side If the terminal supports the fallback capability and the network side does not support the voice service, the network side returns the indication information that does not support the voice service and the fallback indication information, so that the terminal remains in the current first network, and when it needs to be executed During the voice service, it falls back to the second network, and the second network supports the voice service.
- the first network is a 5G network
- the second network is a 4G network.
- the indication that does not support the “Voice over PS Session” may be carried in the registration reply message returned to the terminal.
- the information may carry the fallback indication information at the same time, so that the terminal performs the fallback process when the voice service needs to be performed.
- the terminal After receiving the indication information on the network side, the terminal can still remain in the current 5G network. When the voice service needs to be executed, the terminal can fall back to the 4G network.
- the network side If the network side supports the voice service, the network side returns the indication information supporting the voice service to the terminal, so that the terminal remains in the first network that is currently located, and performs voice service on the first network when the voice service needs to be performed. .
- the first network is a 5G network
- the second network is a 4G network.
- the indication message supporting the “Voice over PS Session” may be carried in the registration reply message returned to the terminal.
- the terminal After obtaining the indication information on the network side, the terminal can still be maintained on the current 5G network. When the voice service needs to be executed, the terminal can directly perform the operation on the 5G network.
- the network side If the terminal supports the fallback capability and the network side supports the voice service, the network side returns the indication information that does not support the voice service and the fallback indication information, so that the terminal remains in the first network where the current is located, when the voice service needs to be performed. , back to the second network, the second network supports voice services.
- the first network is a 5G network
- the second network is a 4G network.
- the network side After the network side obtains the drop-off capability indication information of the terminal, it determines that the terminal supports the fallback capability. Although the network side supports the voice service, the device can still carry the indication in the registration reply message returned to the terminal, taking into account the load situation, the user priority, and the like.
- the indication information of the "Voice over PS Session" is not supported, and the fallback indication information may be carried at the same time, so that the terminal performs the fallback process when the voice service needs to be performed.
- the terminal After receiving the indication information on the network side, the terminal can still remain in the current 5G network. When the voice service needs to be executed, the terminal will fall back to the 4G network.
- the fallback capability indication information may include the following 1) or 2):
- the terminal supports the connection establishment that ensures the continuity of the IP continuity after the RRC redirection falls back to the second network, such as the 4G network;
- the network side can correctly select the IP address that keeps the newly established connection on the original joint gateway and the IP address connected in the original network unchanged;
- the terminal supports the initiative to initiate a Service Request message request to fall back.
- the reason why the network side does not support "Voice over PS Session" may include:
- the network side does not support the handover process based on the N26 interface of the system, and the indication of the fallback capability reported by the terminal indicates that the terminal does not support the connection establishment that ensures the continuity of the IP continuity after the RRC redirection is dropped back to the 4G network.
- the network side does not support the handover process based on the N26 interface of the system, and does not support the process of “establishing a connection establishment with the same IP continuity after the RRC redirection falls back to the 4G network”.
- FIG. 5 is a flowchart of a fourth embodiment of a method for a terminal to perform network selection according to the present invention. As shown in FIG. 5, the following specific implementation manners are included.
- the network side acquires the mode information sent by the terminal.
- the network side returns indication information to the terminal, where at least the network side supports information about whether the voice service is supported, so that the terminal performs network selection according to the indication information.
- the network side If the terminal is in the voice-centric mode and the network side does not support the voice service, the network side returns the indication information that does not support the voice service and the fallback indication information, so that the terminal selects the second through the domain when the terminal does not support the fallback capability.
- the network is attached, and the second network supports the voice service.
- the fallback capability When the fallback capability is supported, the second network is still in the first network.
- the voice service needs to be performed, the network is dropped back to the second network.
- the first network is a 5G network
- the second network is a 4G network.
- the registration reply message returned to the terminal may carry the indication that "Voice over PS Session" is not supported.
- the indication information may also carry the fallback indication information, so that the terminal performs the fallback process when the voice service needs to be performed.
- the terminal may perform different operations based on whether it supports the fallback capability. For example, if the terminal does not support the fallback capability, then the domain can be selected to be attached to the 4G network. When the voice service needs to be executed, it can be directly executed on the 4G network. If the terminal supports the fallback capability, the terminal can still remain at the current 5G. The network, when it needs to perform voice services, can fall back to the 4G network.
- the network side If the terminal is in the voice-centric mode and the network side supports the voice service, the network side returns the indication information supporting the voice service to the terminal, so that the terminal remains in the first network that is currently located, and when the voice service needs to be performed, The voice service is performed on the first network.
- the first network is a 5G network
- the second network is a 4G network.
- the indication that supports the “Voice over PS Session” may be carried in the registration reply message returned to the terminal. information.
- the terminal After obtaining the indication information on the network side, the terminal can still be maintained on the current 5G network. When the voice service needs to be executed, the terminal can directly perform the operation on the 5G network.
- the network side does not return indication information to the terminal, so that the terminal remains in the first network where it is currently located.
- the first network is a 5G network
- the second network is a 4G network.
- the network side can perform the registration process normally, without considering the voice service support problem, so that the terminal remains in the current 5G network.
- the voice service described in the foregoing embodiments may refer to a common service.
- the terminal performs a normal voice service by performing a fallback process, and may also refer to an emergency service.
- the terminal establishes an emergency on the dropped network by performing a fallback process. Business sessions, etc.
- FIG. 6 is a schematic structural diagram of a first embodiment of a terminal device according to the present invention. As shown in FIG. 6, the method includes: a first sending unit 601 and a first selecting unit 602.
- the first sending unit 601 is configured to send the drop capability indication information of the terminal to the network side during the registration process to the network side.
- the first selecting unit 602 is configured to obtain the indication information returned by the network side, where the indication information includes at least information about whether the network side supports the voice service, and performs network selection according to the indication information.
- the first sending unit 601 may send the fallback capability indication information to the network side in the registration request, and the first selecting unit 602 may obtain the indication information that the network side carries in the returned registration reply message.
- the first selection unit 602 may obtain the indication information of the voice service that is not supported by the network side, such as indicating that the voice over PS session is not supported. If the terminal is in the voice-centric mode, the first selection unit 602 may select to connect to the second network through the domain, and the second network supports the voice service; if the terminal is in the data-centric mode, the first selection unit 602 may remain in the The first network where it is currently located.
- the first selection unit 602 may obtain the indication information of the unsupported voice service returned by the network side and the fallback indication information; the first selection unit 602 may still remain at the current location.
- a network when it is required to perform voice services, falls back to the second network, and the second network supports voice services.
- the first selection unit 602 can obtain the indication information of the voice service that is returned by the network side; the first selection unit 602 can still remain in the first network where the current network is located, and when the voice service needs to be performed, The first network performs voice services.
- the first selecting unit 602 may obtain the indication information of the unsupported voice service returned by the network side and the fallback indication information; the first selecting unit 602 may still remain in the first network where the current network is located.
- the voice service needs to be executed, it falls back to the second network, and the second network supports the voice service.
- the fallback capability indication information may include the following 1) or 2):
- the terminal supports the connection establishment that ensures the continuity of the IP continuity after the RRC redirection falls back to the second network, such as the 4G network;
- the network side can correctly select the IP address that keeps the newly established connection on the original joint gateway and the IP address connected in the original network unchanged;
- the terminal supports the initiative to initiate a Service Request message request to fall back.
- the reason why the network side does not support "Voice over PS Session" may include:
- the network side does not support the handover process based on the N26 interface of the system, and the indication of the fallback capability reported by the terminal indicates that the terminal does not support the connection establishment that ensures the continuity of the IP continuity after the RRC redirection is dropped back to the 4G network.
- the network side does not support the handover process based on the N26 interface of the system, and does not support the process of “establishing a connection establishment with the same IP continuity after the RRC redirection falls back to the 4G network”.
- FIG. 7 is a schematic structural diagram of a second embodiment of a terminal device according to the present invention. As shown in FIG. 7, the second transmitting unit 701 and the second selecting unit 702 are included.
- the second sending unit 701 is configured to send the mode information of the terminal to the network side during the registration process of the terminal to the network side.
- the second selecting unit 702 is configured to obtain the indication information returned by the network side, where the indication information includes at least information about whether the network side supports the voice service, and performs network selection according to the indication information.
- the second selecting unit 702 can obtain the indication information that the network side carries in the returned registration reply message.
- the second selection unit 702 may obtain the indication information that the network side does not support the voice service and the fallback indication information; if the terminal does not support the fallback capability, the second selection The unit 702 can select to connect to the second network through the domain, and the second network supports the voice service. If the terminal supports the fallback capability, the second selection unit 702 can still remain in the first network where the current network is located. Go to the second network.
- the second selection unit 702 can obtain the indication information of the voice service returned by the network side; the second selection unit 702 can still remain in the first network where the current network is located. When the voice service needs to be performed, the voice service is performed on the first network.
- the second selection unit 702 is further configured to remain in the first network currently located if the terminal is in the data-centric mode.
- FIG. 8 is a schematic structural diagram of a first embodiment of a network side device according to the present invention. As shown in FIG. 8 , the first acquiring unit 801 and the first indicating unit 802 are included.
- the first obtaining unit 801 is configured to acquire the fallback capability indication information sent by the terminal during the registration process.
- the first indication unit 802 is configured to return indication information to the terminal, where the indication information includes at least information about whether the network side supports the voice service, so that the terminal performs network selection according to the indication information.
- the first obtaining unit 801 may obtain the fallback capability indication information that the terminal carries in the sent registration request, and the first indication unit 802 may carry the indication information in the registration reply message and return the information to the terminal.
- the first indication unit 802 may return the indication information that does not support the voice service to the terminal, such as indicating that the "Voice over PS Session" is not supported, so that the terminal is in the terminal.
- the voice is in the center mode
- the second network is attached through the domain selection, and the second network supports the voice service.
- the data is in the center mode, it remains in the first network where it is currently located.
- the first indication unit 802 may return the indication information that does not support the voice service and the fallback indication information to the terminal, so that the terminal remains in the first network that is currently located, and is in the When the voice service needs to be executed, it falls back to the second network, and the second network supports the voice service.
- the first indication unit 802 may return the indication information supporting the voice service to the terminal, so that the terminal remains in the first network where the terminal is currently located, and performs the first network when the voice service needs to be performed. Voice business.
- the first indication unit 802 may return the indication information that does not support the voice service and the fallback indication information to the terminal, so that the terminal remains in the first network where the current is located, when the voice needs to be performed. When the service is in business, it falls back to the second network, and the second network supports the voice service.
- the fallback capability indication information may include the following 1) or 2):
- the terminal supports the connection establishment that ensures the continuity of the IP continuity after the RRC redirection falls back to the second network, such as the 4G network;
- the network side can correctly select the IP address that keeps the newly established connection on the original joint gateway and the IP address connected in the original network unchanged;
- the terminal supports the initiative to initiate a Service Request message request to fall back.
- the reason why the network side does not support "Voice over PS Session" may include:
- the network side does not support the handover process based on the N26 interface of the system, and the indication of the fallback capability reported by the terminal indicates that the terminal does not support the connection establishment that ensures the continuity of the IP continuity after the RRC redirection is dropped back to the 4G network.
- the network side does not support the handover process based on the N26 interface of the system, and does not support the process of “establishing a connection establishment with the same IP continuity after the RRC redirection falls back to the 4G network”.
- FIG. 9 is a schematic structural diagram of a second embodiment of a network side device according to the present invention. As shown in FIG. 9, the second obtaining unit 901 and the second indicating unit 902 are included.
- the second obtaining unit 901 is configured to acquire the mode information sent by the terminal during the registration process.
- the second indication unit 902 is configured to return the indication information to the terminal, where the indication information includes at least information about whether the network side supports the voice service, so that the terminal performs network selection according to the indication information.
- the second indication unit 902 can carry the indication information in the registration reply message and return it to the terminal.
- the second indication unit 902 may return the indication information that does not support the voice service and the fallback indication information to the terminal, so that the terminal selects through the domain when the drop capability is not supported.
- the second network is attached, and the second network supports the voice service.
- the fallback capability is supported, the terminal remains in the first network where it is currently located.
- the voice service needs to be performed, it falls back to the second network.
- the second indication unit 902 can return the indication information supporting the voice service to the terminal, so that the terminal remains in the first network that is currently located, and when the voice service needs to be performed. At the time, the voice service is performed on the first network.
- the second indication unit 902 is further configured to: if the terminal is in the data-centric mode, return no indication information to the terminal, so that the terminal remains in the first network where the terminal is currently located.
- FIG. 10 illustrates a block diagram of an exemplary computer system/server 12 suitable for use in implementing embodiments of the present invention.
- the computer system/server 12 shown in FIG. 10 is merely an example and should not impose any limitation on the function and scope of use of the embodiments of the present invention.
- computer system/server 12 is embodied in the form of a general purpose computing device.
- the components of computer system/server 12 may include, but are not limited to, one or more processors (processing units) 16, memory 28, and a bus 18 that connects different system components, including memory 28 and processor 16.
- processors processing units
- bus 18 that connects different system components, including memory 28 and processor 16.
- Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a graphics acceleration port, a processor, or a local bus using any of a variety of bus structures.
- these architectures include, but are not limited to, an Industry Standard Architecture (ISA) bus, a Micro Channel Architecture (MAC) bus, an Enhanced ISA Bus, a Video Electronics Standards Association (VESA) local bus, and peripheral component interconnects ( PCI) bus.
- ISA Industry Standard Architecture
- MAC Micro Channel Architecture
- VESA Video Electronics Standards Association
- PCI peripheral component interconnects
- Computer system/server 12 typically includes a variety of computer system readable media. These media can be any available media that can be accessed by computer system/server 12, including both volatile and non-volatile media, removable and non-removable media.
- Memory 28 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) 30 and/or cache memory 32.
- Computer system/server 12 may further include other removable/non-removable, volatile/non-volatile computer system storage media.
- storage system 34 may be used to read and write non-removable, non-volatile magnetic media (not shown in FIG. 10, commonly referred to as a "hard disk drive”).
- a disk drive for reading and writing to a removable non-volatile disk (such as a "floppy disk”), and a removable non-volatile disk (such as a CD-ROM, DVD-ROM) may be provided. Or other optical media) read and write optical drive.
- each drive can be coupled to bus 18 via one or more data medium interfaces.
- Memory 28 can include at least one program product having a set (e.g., at least one) of program modules configured to perform the functions of various embodiments of the present invention.
- a program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more applications, other programs Modules and program data, each of these examples or some combination may include an implementation of a network environment.
- Program module 42 typically performs the functions and/or methods of the described embodiments of the present invention.
- Computer system/server 12 may also be in communication with one or more external devices 14 (e.g., a keyboard, pointing device, display 24, etc.), and may also be in communication with one or more devices that enable a user to interact with the computer system/server 12. And/or in communication with any device (e.g., network card, modem, etc.) that enables the computer system/server 12 to communicate with one or more other computing devices. This communication can take place via an input/output (I/O) interface 22. Also, computer system/server 12 may also communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and/or a public network, such as the Internet) through network adapter 20. As shown in FIG.
- LAN local area network
- WAN wide area network
- public network such as the Internet
- network adapter 20 communicates with other modules of computer system/server 12 via bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be utilized in conjunction with computer system/server 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, Tape drives and data backup storage systems.
- the processor 16 executes various functional applications and data processing by running programs stored in the memory 28, such as implementing the methods of Figures 2, 3, 4 or 5.
- the present invention also discloses a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the method of Figures 2, 3, 4 or 5.
- the computer readable medium can be a computer readable signal medium or a computer readable storage medium.
- the computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples (non-exhaustive lists) of computer readable storage media include: electrical connections having one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read only memory (ROM), Erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the foregoing.
- a computer readable storage medium can be any tangible medium that can contain or store a program, which can be used by or in connection with an instruction execution system, apparatus or device.
- a computer readable signal medium may include a data signal that is propagated in the baseband or as part of a carrier, carrying computer readable program code. Such propagated data signals can take a variety of forms including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the foregoing.
- the computer readable signal medium can also be any computer readable medium other than a computer readable storage medium, which can transmit, propagate, or transport a program for use by or in connection with the instruction execution system, apparatus, or device. .
- Program code embodied on a computer readable medium can be transmitted by any suitable medium, including but not limited to wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
- Computer program code for carrying out operations of the present invention may be written in one or more programming languages, or combinations thereof, including an object oriented programming language such as Java, Smalltalk, C++, and conventional procedural Programming language—such as the "C" language or a similar programming language.
- the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer, partly on the remote computer, or entirely on the remote computer or server.
- the remote computer can be connected to the user's computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or can be connected to an external computer (eg, using an Internet service provider) Internet connection).
- LAN local area network
- WAN wide area network
- Internet service provider Internet connection
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
- the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
- the above software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the methods of the various embodiments of the present invention. Part of the steps.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
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Abstract
L'invention concerne un procédé de sélection de réseau et un appareil d'un terminal, un dispositif informatique et un support de stockage. Le terminal peut envoyer des informations d'indication de capacité de repli à un côté réseau dans un processus d'enregistrement ou envoyer des informations de mode au côté réseau, et obtenir des informations d'indication renvoyées par le côté réseau, les informations d'indication comprenant au moins des informations indiquant si le côté réseau prend en charge un service vocal, de sorte que la sélection de réseau puisse être effectuée selon les informations d'indication, et le fonctionnement normal du service vocal peut être assuré autant que possible.
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CN201880037420.3A CN110710266A (zh) | 2018-01-12 | 2018-03-15 | 终端进行网络选择的方法、装置、计算机设备及存储介质 |
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CNPCT/CN2018/072382 | 2018-01-12 | ||
PCT/CN2018/072382 WO2019136685A1 (fr) | 2018-01-12 | 2018-01-12 | Procédé et appareil de sélection de réseau par un terminal, et dispositif informatique et support de stockage |
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WO2019136821A1 true WO2019136821A1 (fr) | 2019-07-18 |
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PCT/CN2018/072382 WO2019136685A1 (fr) | 2018-01-12 | 2018-01-12 | Procédé et appareil de sélection de réseau par un terminal, et dispositif informatique et support de stockage |
PCT/CN2018/079156 WO2019136821A1 (fr) | 2018-01-12 | 2018-03-15 | Procédé de sélection de réseau et appareil de terminal, dispositif informatique et support de stockage |
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PCT/CN2018/072382 WO2019136685A1 (fr) | 2018-01-12 | 2018-01-12 | Procédé et appareil de sélection de réseau par un terminal, et dispositif informatique et support de stockage |
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CN114727351A (zh) * | 2020-12-22 | 2022-07-08 | 中兴通讯股份有限公司 | 用户驻留方法、用户驻留系统及存储介质 |
CN115209521B (zh) * | 2021-04-12 | 2024-03-22 | 维沃移动通信有限公司 | 消息处理方法、装置、设备和存储介质 |
CN115209491B (zh) * | 2021-04-12 | 2024-04-19 | 维沃移动通信有限公司 | 信息处理方法、装置、终端及网络侧设备 |
CN115209492B (zh) * | 2021-04-12 | 2024-04-19 | 维沃移动通信有限公司 | 通信处理方法、装置及相关设备 |
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CN104066155A (zh) * | 2013-03-21 | 2014-09-24 | 中兴通讯股份有限公司 | 一种网络选择控制方法和装置 |
CN104284379A (zh) * | 2013-07-08 | 2015-01-14 | 华为技术有限公司 | 一种电路域回落方法及用户设备 |
WO2016180018A1 (fr) * | 2015-05-11 | 2016-11-17 | 中兴通讯股份有限公司 | Procédé d'accès et nœud d'accès, terminal et réseau de communication correspondants |
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CN100581292C (zh) * | 2006-08-29 | 2010-01-13 | 华为技术有限公司 | 一种系统间切换与多媒体回落并行处理的方法 |
CN104581673A (zh) * | 2013-10-14 | 2015-04-29 | 华为技术有限公司 | 一种切换待机模式的方法、用户设备ue、网络设备 |
KR102205907B1 (ko) * | 2014-02-07 | 2021-01-21 | 삼성전자주식회사 | 이동 통신 시스템에서 서비스 제공 장치 및 방법 |
CN104883713A (zh) * | 2014-02-28 | 2015-09-02 | 华为技术有限公司 | 确定终端的通信模式的方法和终端 |
CN106612542B (zh) * | 2015-10-23 | 2019-10-22 | 展讯通信(上海)有限公司 | VoLTE终端注册方法及装置 |
CN105792296A (zh) * | 2016-03-07 | 2016-07-20 | 北京小米移动软件有限公司 | 语音回落的触发方法及终端 |
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2018
- 2018-01-12 WO PCT/CN2018/072382 patent/WO2019136685A1/fr active Application Filing
- 2018-03-15 WO PCT/CN2018/079156 patent/WO2019136821A1/fr active Application Filing
- 2018-03-15 CN CN201880037420.3A patent/CN110710266A/zh active Pending
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CN102158919A (zh) * | 2011-03-10 | 2011-08-17 | 华为技术有限公司 | 语音回落的切换方法及装置 |
CN104066155A (zh) * | 2013-03-21 | 2014-09-24 | 中兴通讯股份有限公司 | 一种网络选择控制方法和装置 |
CN104284379A (zh) * | 2013-07-08 | 2015-01-14 | 华为技术有限公司 | 一种电路域回落方法及用户设备 |
WO2016180018A1 (fr) * | 2015-05-11 | 2016-11-17 | 中兴通讯股份有限公司 | Procédé d'accès et nœud d'accès, terminal et réseau de communication correspondants |
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