WO2019136643A1 - 切换处理方法、网络设备、终端设备及计算机存储介质 - Google Patents
切换处理方法、网络设备、终端设备及计算机存储介质 Download PDFInfo
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- 238000004891 communication Methods 0.000 claims description 20
- 238000004590 computer program Methods 0.000 claims description 10
- 238000012790 confirmation Methods 0.000 claims description 6
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- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
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Definitions
- the present invention relates to the field of information processing technologies, and in particular, to a handover processing method, a network device, a terminal device, and a computer storage medium.
- the next-generation NG-Radio Access Network may include scenarios in which the gNB and the eNB access the 5GC core network simultaneously or separately.
- the AMF access and mobility management function
- the message of the handover request Handover Require is the same.
- the target identifier (ID) in the sent message is the eNB ID and the eNB accesses both the 5GC and the EPC, the AMF cannot currently determine whether to proceed.
- RAT handover (5GC unchanged, base station access changed from NR to eNB) or System handover (5GC becomes EPC).
- the NG-RAN determines the timing of triggering the handover according to the measurement threshold; if the UE is in the idle state, the UE sends a TAU Request to the target core network MME, and the MME is responsible for the original
- the core network obtains relevant context information and completes the location update process on the target core network.
- the UE can identify the "support no N26 handover" indication sent by the network side, so that the set network element maps the 4G SM context to achieve the consistency of the session IP address; if the UE does not identify the network side
- the "support no N26 switch" indication sent directly to the tracking area update request Tracking Area Update request.
- an embodiment of the present invention provides a handover processing method, a network device, a terminal device, and a computer storage medium.
- the embodiment of the invention provides a handover processing method, which is applied to a first network device, and the method includes:
- the first network device When there is a connection between the first network device in the first system network or the first core network and the terminal device, the first network device establishes with the target system network or the target core network for the terminal device Candidate connection between
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met.
- the embodiment of the present invention provides a handover processing method, which is applied to a second network device, where the second network device is located in a target system network or a target core network, and the method includes:
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met.
- the embodiment of the invention provides a handover processing method, which is applied to a terminal device, and the method includes:
- the candidate connection is that the first network device is a connection established between the terminal device and a target system network, or a target core network; and the candidate connection is used when the terminal device meets a preset condition. Used when switching to the target system network or the target core network.
- An embodiment of the present invention provides a first network device, where the method includes:
- a first processing unit when there is a connection between the first network device located in the first system network or the first core network and the terminal device, establishing the target device network with the target system network or the target core network Candidate connection
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met.
- the embodiment of the present invention provides a second network device, where the second network device is located in a target system network or a target core network, where the second network device includes:
- the second processing unit controls the second communication unit to establish a candidate connection with the target system network or the target core network for the terminal device based on the control of the first network device located in the first system network or the first core network;
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met;
- the second communication unit establishes a candidate connection with the target system network or the target core network for the terminal device.
- the embodiment of the invention provides a terminal device, where the terminal device includes:
- a third communication unit when a connection exists between the first network device in the first system network or the first core network and the terminal device, obtaining a candidate connection established by the network device for the terminal device;
- the candidate connection is that the first network device is a connection established between the terminal device and a target system network, or a target core network; and the candidate connection is used when the terminal device meets a preset condition. Used when switching to the target system network or the target core network.
- a network device provided by an embodiment of the present invention includes: a processor and a memory for storing a computer program capable of running on a processor,
- processor is configured to perform the steps of the foregoing method when the computer program is run.
- a terminal device provided by an embodiment of the present invention includes: a processor and a memory for storing a computer program capable of running on a processor,
- processor is configured to perform the steps of the foregoing method when the computer program is run.
- a computer storage medium is provided by the embodiment of the present invention.
- the computer storage medium stores computer executable instructions, and the foregoing method steps are implemented when the computer executable instructions are executed.
- the technical solution of the embodiment of the present invention can prepare candidate connections in the target network in advance for the terminal device, so that the terminal device can switch to the target system network more quickly and conveniently when moving within the coverage range of the target system. Or improve the efficiency of switching processing and improve system processing efficiency in the target core network.
- FIG. 1 is a schematic diagram 1 of a connection processing process according to an embodiment of the present invention.
- FIG. 2 is a schematic diagram 2 of a connection processing process according to an embodiment of the present invention.
- FIG. 3 is a schematic flowchart 3 of a connection processing process according to an embodiment of the present invention.
- FIG. 4 is a schematic flowchart of a handover processing method according to an embodiment of the present disclosure
- FIG. 5 is a schematic structural diagram of a first network device according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a second network device according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
- FIG. 8 is a schematic diagram of a hardware architecture according to an embodiment of the present invention.
- An embodiment of the present invention provides a handover processing method, which is applied to a first network device, where the method includes:
- the first network device When there is a connection between the first network device in the first system network or the first core network and the terminal device, the first network device establishes with the target system network or the target core network for the terminal device Candidate connection between
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met.
- the first system network/core network establishes a connection of the target system network/core network device for the terminal, and is used for the terminal to switch to the target system network under certain conditions. /Core Network.
- the first thing to introduce is the judgment condition for establishing a candidate connection for the terminal device:
- a link quality of the terminal device attribute information of the terminal device, service information of the terminal device, network slice information, and mobility information of the terminal device.
- the condition is as follows: determining whether the link quality of the terminal device meets a preset threshold; when the link quality of the terminal device meets a preset threshold, Determining to establish a candidate connection with the target system network or with the target core network for the terminal device.
- the first network device configures a threshold value of the terminal device.
- the terminal reports the measurement report to the access network of the first system network.
- the access network of the first system sends a handover preparation request to the core network of the first system.
- the core network of the first system prepares a link of the target system network or the target core network for this terminal.
- Condition 2 when determining, according to the attribute information of the terminal device, that the terminal device is a terminal device capable of establishing a candidate connection, establishing a candidate connection with the target system network or the target core network for the terminal device ;
- the attribute information of the terminal device includes at least one of the following: priority information of the terminal, terminal type information, and terminal level information.
- the first system network or the first core network prepares a link of the target system network or the target core network for the terminal based on the terminal information.
- the network can obtain terminal information through the subscription information or report the terminal information through the terminal.
- the terminal device may be determined when the priority information of the terminal is higher than the priority threshold.
- the terminal device capable of establishing a candidate connection; or the terminal type is a terminal that processes the low-latency service, and may determine that the terminal is a terminal device capable of establishing a candidate connection;
- the terminal level may correspond to the terminal priority.
- the terminal level has a 1-10 level, wherein the 1-3 level may correspond to the priority 1,4-7 corresponding to the priority 2, and the 8-10 may correspond to the priority 3
- the terminal device is a terminal device capable of establishing a candidate connection based on the priority corresponding to the level. It should be understood that the foregoing terminal level is only an example, and actually other setting manners may exist, which is not exhaustive in this embodiment.
- Condition 3 When the service information of the terminal device indicates that the service of the terminal device is a service that meets the first condition, establish a candidate connection with the target system network or the target core network for the terminal device.
- the service of the first condition is a low latency service.
- the service information may include: QoS information of the service, and the like. For example, when the terminal has a service with low delay requirements, the first system network or the first core network prepares a link of the target system network or the target core network for the terminal.
- Condition 4 When the network slice information meets the second condition, determining to establish a candidate connection with the target system network or the target core network for the terminal device.
- the second condition characterizes that the type of the network slice is a low latency, and/or a high reliability type.
- the network slice type is a low latency high reliability attribute
- the first system network or the first core network prepares a link of the target system network or the target core network for the terminal.
- Condition 5 When the terminal device is determined to be highly mobile based on the mobility information of the terminal device, establish a candidate connection with the target system network or the target core network for the terminal device.
- the first system network/core network acquires mobility information of the terminal, and when the terminal is a high mobility terminal, prepares a link of the target system network or the target core network for the terminal.
- the first system network/core network may acquire mobility information of the terminal from the terminal or the access network or the subscription information or external information or operation and maintenance.
- the network device establishes a candidate connection with the target system network or the target core network for the terminal device, including: notifying the target system network, or notifying the target core network, establishing the candidate connection for the terminal device At least part of the connection configuration.
- the establishing, by the terminal device, at least part of a connection configuration of the candidate connection including at least one of the following:
- the first system network/core network device may require the target network or the core network device to prepare all connection configurations or partial connection configurations for the terminal. Specifically, at least one of the foregoing three processes is performed:
- modifying the internal PDU session of the target core network may send a handover request to the core network AMF for the (1) NG access network, and then (2a) from the AMF to the internal PGW of the core network.
- the -C SMF sends a PDU session establishment request, through which the PDU session inside the core network is modified; and (2b) receives response information of the feedback session establishment request.
- the example shown in FIG. 2 is used to establish a connection with the serving gateway of the target core network, specifically: (3) the MME receives the relocation request sent by the AMF, and then (4-5) the MME
- the service gateway (SGW) sends a setup session response that establishes a session request and receives the SGW feedback; through these processes, the target core network is connected with the service gateway, and the corresponding connection configuration is obtained;
- establishing a connection between the target core network and the access network that is, establishing a connection between the MME and the E-UTRAN in the access network, by using the handover request in (6, 7) and confirming Process the connection and get the corresponding configuration.
- the establishing, by the terminal device, at least part of the connection configuration in the candidate connection may further include:
- a network device in the target core network establishes a connection between any two network devices.
- the network devices in the target core network may include: AMF, MME, SGW, V-SMF, V-UPF, PGW-C-SMF, and PGW-C-UPF. Although not shown in the foregoing Figures 1, 2, and 3, these devices may exist in an actual core network, but are not illustrated.
- the method further includes: after the candidate connection confirmation is successfully established, configuring the candidate connection Send to the terminal. That is, after the first system network/core network device confirms that the target link is ready, the target network connection configuration is sent to the terminal.
- the method includes:
- Step 401 When there is a connection between the first network device in the first system network or the first core network and the terminal device, the first network device establishes a network with the target system or the target for the terminal device. a candidate connection between the core networks; wherein the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met;
- Step 402 When the candidate connection is successfully established, start a timer.
- Step 403 Release the candidate connection when the duration of the timer reaches a preset threshold, and the terminal device does not establish a connection with the target system network or the target core network through the candidate connection.
- the preset threshold value corresponding to the duration of the timer may be set according to the actual situation. For example, it may be set to 10 minutes or may be set to 1 hour, which is not limited in this embodiment.
- the candidate connection in the target network can be prepared in advance for the terminal device, so that the terminal device can switch to the target system network more quickly and conveniently when moving to the coverage of the target system or In the target core network, the switching processing efficiency is improved, and the system processing efficiency is improved.
- the embodiment of the present invention provides a handover processing method, which is applied to a second network device, where the second network device is located in a target system network or a target core network, and the method includes:
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met.
- the first system network/core network establishes a connection of the target system network/core network device for the terminal, and is used for the terminal to switch to the target system network under certain conditions. /Core Network.
- the network device establishes a candidate connection with the target system network or the target core network for the terminal device, including: notifying the target system network, or notifying the target core network, establishing the candidate connection for the terminal device At least part of the connection configuration.
- the establishing, by the terminal device, at least part of a connection configuration of the candidate connection including at least one of the following:
- the first system network/core network device may require the target network or the core network device to prepare all connection configurations or partial connection configurations for the terminal. Specifically, at least one of the foregoing three processes is performed:
- modifying the internal PDU session of the target core network may send a handover request to the core network AMF for the (1) NG access network, and then (2a) from the AMF to the internal PGW of the core network.
- the -C SMF sends a PDU session establishment request, through which the PDU session inside the core network is modified; and (2b) receives response information of the feedback session establishment request.
- the example shown in FIG. 2 is used to establish a connection with the serving gateway of the target core network, specifically: (3) the MME receives the relocation request sent by the AMF, and then (4-5) the MME
- the service gateway (SGW) sends a setup session response that establishes a session request and receives the SGW feedback; through these processes, the target core network is connected with the service gateway, and the corresponding connection configuration is obtained;
- establishing a connection between the target core network and the access network that is, establishing a connection between the MME and the E-UTRAN in the access network, by using the handover request in (6, 7) and confirming Process the connection and get the corresponding configuration.
- the establishing, by the terminal device, the at least part of the connection configuration in the candidate connection may further include:
- a network device in the target core network establishes a connection between any two network devices.
- the network devices in the target core network may include: AMF, MME, SGW, V-SMF, V-UPF, PGW-C-SMF, and PGW-C-UPF. Although not shown in the foregoing Figures 1, 2, and 3, these devices may exist in an actual core network, but are not illustrated.
- the method further includes: after the candidate connection confirmation is successfully established, configuring the candidate connection Send to the terminal. That is, after the first system network/core network device confirms that the target link is ready, the target network connection configuration is sent to the terminal.
- connection timing processing specifically: when the candidate connection is successfully established, the timer is started;
- the candidate connection is released when the duration of the timer reaches a preset threshold and the terminal device does not establish a connection with the target system network or the target core network through the candidate connection.
- the preset threshold value corresponding to the duration of the timer may be set according to the actual situation. For example, it may be set to 10 minutes or may be set to 1 hour, which is not limited in this embodiment.
- the candidate connection in the target network can be prepared in advance for the terminal device, so that the terminal device can switch to the target system network more quickly and conveniently when moving to the coverage of the target system or In the target core network, the switching processing efficiency is improved, and the system processing efficiency is improved.
- the embodiment of the invention provides a handover processing method, which is applied to a terminal device, and the method includes:
- the candidate connection is that the first network device is a connection established between the terminal device and a target system network, or a target core network; and the candidate connection is used when the terminal device meets a preset condition. Used when switching to the target system network or the target core network.
- the first system network/core network establishes a connection of the target system network/core network device for the terminal, and is used for the terminal to switch to the target system network under certain conditions. /Core Network.
- the method further includes:
- the candidate connection in the target network can be prepared in advance for the terminal device, so that the terminal device can switch to the target system network more quickly and conveniently when moving to the coverage of the target system or In the target core network, the switching processing efficiency is improved, and the system processing efficiency is improved.
- An embodiment of the present invention provides a first network device, as shown in FIG. 5, including:
- the first processing unit 51 establishes a connection with the target system network or the target core network when the first network device located in the first system network or the first core network has a connection with the terminal device Candidate connection between
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met.
- the first system network/core network establishes a connection of the target system network/core network device for the terminal, and is used for the terminal to switch to the target system network under certain conditions. /Core Network.
- the first thing to introduce is the judgment condition for establishing a candidate connection for the terminal device:
- a link quality of the terminal device attribute information of the terminal device, service information of the terminal device, network slice information, and mobility information of the terminal device.
- the condition of the link quality of the terminal device is determined by the first processing unit 51, determining whether the link quality of the terminal device meets a preset threshold; when the link quality of the terminal device meets the pre- When the threshold is set, it is determined that the terminal device establishes a candidate connection with the target system network or with the target core network.
- the first network device configures a threshold value of the terminal device.
- the terminal reports the measurement report to the access network of the first system network.
- the access network of the first system sends a handover preparation request to the core network of the first system.
- the core network of the first system prepares a link of the target system network or the target core network for this terminal.
- the first processing unit 51 when determining, according to the attribute information of the terminal device, that the terminal device is a terminal device capable of establishing a candidate connection, establishing, with the target system network or a target core, the terminal device Candidate connections between networks;
- the attribute information of the terminal device includes at least one of the following: priority information of the terminal, terminal type information, and terminal level information.
- the first system network or the first core network prepares a link of the target system network or the target core network for the terminal based on the terminal information.
- the network can obtain terminal information through the subscription information or report the terminal information through the terminal.
- the terminal device may be determined when the priority information of the terminal is higher than the priority threshold.
- the terminal device capable of establishing a candidate connection; or the terminal type is a terminal that processes the low-latency service, and may determine that the terminal is a terminal device capable of establishing a candidate connection;
- the terminal level may correspond to the terminal priority.
- the terminal level has a 1-10 level, wherein the 1-3 level may correspond to the priority 1,4-7 corresponding to the priority 2, and the 8-10 may correspond to the priority 3
- the terminal device is a terminal device capable of establishing a candidate connection based on the priority corresponding to the level. It should be understood that the foregoing terminal level is only an example, and actually other setting manners may exist, which is not exhaustive in this embodiment.
- the first processing unit 51 when the service information of the terminal device indicates that the service of the terminal device is a service that meets the first condition, establishing, with the target system network or the target core network, the terminal device Candidate connection between.
- the service of the first condition is a low latency service.
- the service information may include: QoS information of the service, and the like. For example, when the terminal has a service with low delay requirements, the first system network or the first core network prepares a link of the target system network or the target core network for the terminal.
- Condition 4 The first processing unit 51 determines to establish a candidate connection with the target system network or the target core network when the network slice information meets the second condition.
- the second condition characterizes that the type of the network slice is a low latency, and/or a high reliability type.
- the network slice type is a low latency high reliability attribute
- the first system network or the first core network prepares a link of the target system network or the target core network for the terminal.
- the first processing unit 51 when determining that the terminal device is high mobility based on the mobility information of the terminal device, establishing a candidate for the terminal device with the target system network or with the target core network connection.
- the first system network/core network acquires mobility information of the terminal, and when the terminal is a high mobility terminal, prepares a link of the target system network or the target core network for the terminal.
- the first system network/core network may acquire mobility information of the terminal from the terminal or the access network or the subscription information or external information or operation and maintenance.
- the first network device further includes:
- the first communication unit 52 notifies the target system network or notifies the target core network, and establishes at least part of the connection configuration of the candidate connections for the terminal device.
- the establishing, by the terminal device, at least part of the connection configuration of the candidate connection including at least one of the following:
- the first system network/core network device may require the target network or the core network device to prepare all connection configurations or partial connection configurations for the terminal. Specifically, at least one of the foregoing three processes is performed:
- modifying the internal PDU session of the target core network may send a handover request to the core network AMF for the (1) NG access network, and then (2a) from the AMF to the internal PGW of the core network.
- the -C SMF sends a PDU session establishment request, through which the PDU session inside the core network is modified; and (2b) receives response information of the feedback session establishment request.
- the example shown in FIG. 2 is used to establish a connection with the serving gateway of the target core network, specifically: (3) the MME receives the relocation request sent by the AMF, and then (4-5) the MME
- the service gateway (SGW) sends a setup session response that establishes a session request and receives the SGW feedback; through these processes, the target core network is connected with the service gateway, and the corresponding connection configuration is obtained;
- establishing a connection between the target core network and the access network that is, establishing a connection between the MME and the E-UTRAN in the access network, by using the handover request in (6, 7) and confirming Process the connection and get the corresponding configuration.
- the establishing, by the terminal device, the at least part of the connection configuration in the candidate connection may further include:
- a network device in the target core network establishes a connection between any two network devices.
- the network devices in the target core network may include: AMF, MME, SGW, V-SMF, V-UPF, PGW-C-SMF, and PGW-C-UPF. Although not shown in the foregoing Figures 1, 2, and 3, these devices may exist in an actual core network, but are not illustrated.
- the method further includes: the first network device further includes:
- the first communication unit 52 sends the configuration of the candidate connection to the terminal after the candidate connection confirmation is successfully established. That is, after the first system network/core network device confirms that the target link is ready, the target network connection configuration is sent to the terminal.
- the first processing unit starts a timer when the candidate connection is successfully established; when the duration of the timer reaches a preset threshold, and the terminal device does not pass the candidate connection with the target system network or the target core When the network establishes a connection, the candidate connection is released.
- the preset threshold value corresponding to the duration of the timer may be set according to the actual situation. For example, it may be set to 10 minutes or may be set to 1 hour, which is not limited in this embodiment.
- the candidate connection in the target network can be prepared in advance for the terminal device, so that the terminal device can switch to the target system network more quickly and conveniently when moving to the coverage of the target system or In the target core network, the switching processing efficiency is improved, and the system processing efficiency is improved.
- the embodiment of the present invention provides a second network device, where the second network device is located in a target system network or a target core network, as shown in FIG. 6, and includes:
- the second processing unit 61 controls the second communication unit to establish a candidate connection with the target system network or the target core network for the terminal device based on the control of the first network device located in the first system network or the first core network.
- the candidate connection is used when the terminal device switches to the target system network or the target core network when the preset condition is met;
- the second communication unit 62 establishes a candidate connection with the target system network or with the target core network for the terminal device.
- the first system network/core network establishes a connection of the target system network/core network device for the terminal, and is used for the terminal to switch to the target system network under certain conditions. /Core Network.
- the network device establishes a candidate connection with the target system network or the target core network for the terminal device, including: notifying the target system network, or notifying the target core network, establishing the candidate connection for the terminal device At least part of the connection configuration.
- the establishing, by the terminal device, at least part of a connection configuration of the candidate connection including at least one of the following:
- the first system network/core network device may require the target network or the core network device to prepare all connection configurations or partial connection configurations for the terminal. Specifically, at least one of the foregoing three processes is performed:
- modifying the internal PDU session of the target core network may send a handover request to the core network AMF for the (1) NG access network, and then (2a) from the AMF to the internal PGW of the core network.
- the -C SMF sends a PDU session establishment request, through which the PDU session inside the core network is modified; and (2b) receives response information of the feedback session establishment request.
- the example shown in FIG. 2 is used to establish a connection with the serving gateway of the target core network, specifically: (3) the MME receives the relocation request sent by the AMF, and then (4-5) the MME
- the service gateway (SGW) sends a setup session response that establishes a session request and receives the SGW feedback; through these processes, the target core network is connected with the service gateway, and the corresponding connection configuration is obtained;
- establishing a connection between the target core network and the access network that is, establishing a connection between the MME and the E-UTRAN in the access network, by using the handover request in (6, 7) and confirming Process the connection and get the corresponding configuration.
- the establishing, by the terminal device, the at least part of the connection configuration in the candidate connection may further include:
- a network device in the target core network establishes a connection between any two network devices.
- the network devices in the target core network may include: AMF, MME, SGW, V-SMF, V-UPF, PGW-C-SMF, and PGW-C-UPF. Although not shown in the foregoing Figures 1, 2, and 3, these devices may exist in an actual core network, but are not illustrated.
- the second processing unit sends the configuration of the candidate connection to the terminal after the candidate connection confirmation is successfully established. That is, after the first system network/core network device confirms that the target link is ready, the target network connection configuration is sent to the terminal.
- connection timing processing may be further performed. Specifically, the second processing unit starts a timer when the candidate connection is successfully established, and reaches a preset when the duration of the timer reaches a preset. And controlling the second communication unit to release the candidate connection when the terminal device does not establish a connection with the target system network or the target core network through the candidate connection.
- the preset threshold value corresponding to the duration of the timer may be set according to the actual situation. For example, it may be set to 10 minutes or may be set to 1 hour, which is not limited in this embodiment.
- the candidate connection in the target network can be prepared in advance for the terminal device, so that the terminal device can switch to the target system network more quickly and conveniently when moving to the coverage of the target system or In the target core network, the switching processing efficiency is improved, and the system processing efficiency is improved.
- An embodiment of the present invention provides a terminal device, as shown in FIG. 7, including:
- a third communication unit 71 when there is a connection between the first network device located in the first system network or the first core network and the terminal device, acquiring a candidate connection established by the network device for the terminal device;
- the candidate connection is that the first network device is a connection established between the terminal device and a target system network, or a target core network; and the candidate connection is used when the terminal device meets a preset condition. Used when switching to the target system network or the target core network.
- the first system network/core network establishes a connection of the target system network/core network device for the terminal, and is used for the terminal to switch to the target system network under certain conditions. /Core Network.
- the third processing unit 72 when the terminal device enters the target system network or the coverage of the target core network, controls the third communication unit and the target system network based on the network connection configuration corresponding to the candidate connection Or establishing a connection with the target core network;
- the third communication unit 71 establishes a connection with the target system network or the target core network.
- the candidate connection in the target network can be prepared in advance for the terminal device, so that the terminal device can switch to the target system network more quickly and conveniently when moving to the coverage of the target system or In the target core network, the switching processing efficiency is improved, and the system processing efficiency is improved.
- the embodiment of the present invention further provides a hardware component architecture of a terminal device or a network device.
- the method includes at least one processor 81, a memory 82, and at least one network interface 83.
- the various components are coupled together by a bus system 84.
- bus system 84 is used to implement connection communication between these components.
- bus system 84 includes a power bus, a control bus, and a status signal bus.
- various buses are labeled as bus system 84 in FIG.
- the memory 82 in the embodiments of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- memory 82 stores elements, executable modules or data structures, or a subset thereof, or their extension set:
- the processor 81 is configured to be able to process the method steps of any one of the foregoing Embodiments 1 to 3, and details are not described herein.
- a computer storage medium is provided by the embodiment of the present invention.
- the computer storage medium stores computer executable instructions. When the computer executable instructions are executed, the method steps of any one of the foregoing embodiments 1 to 3 are implemented.
- Embodiments of the Invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
- a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
- embodiments of the invention are not limited to any specific combination of hardware and software.
- an embodiment of the present invention further provides a computer storage medium, wherein a computer program is configured, and the computer program is configured to execute a data scheduling method according to an embodiment of the present invention.
Abstract
Description
Claims (41)
- 一种切换处理方法,应用于第一网络设备,所述方法包括:当位于第一系统网络或者第一核心网络中的第一网络设备、与终端设备之间存在连接时,所述第一网络设备为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接;其中,所述候选连接用于当终端设备在满足预设条件时切换到目标系统网络或者目标核心网的时候使用。
- 根据权利要求1所述的方法,其中,所述所述第一网络设备为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接,所述方法包括:基于以下至少一个条件,判断是否为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接:所述终端设备的链路质量、所述终端设备的属性信息、所述终端设备的业务信息、网络切片信息、所述终端设备的移动性信息。
- 根据权利要求2所述的方法,其中,所述方法还包括:判断所述终端设备的链路质量是否满足预设门限值;当所述终端设备的链路质量满足预设门限值时,确定为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接。
- 根据权利要求2所述的方法,其中,所述方法还包括:当基于所述终端设备的属性信息,确定所述终端设备为能够建立候选连接的终端设备时,为所述终端设备建立与所述目标系统网络或者与目标核心网络之间的候选连接;其中,所述终端设备的属性信息包括以下至少之一:终端的优先级信息,终端类型信息,终端等级信息。
- 根据权利要求2所述的方法,其中,所述方法还包括:当所述终端设备的业务信息表征所述终端设备的业务为符合第一条件的业务时,为所述终端设备建立与所述目标系统网络或者与目标核心网络之间的候选连接。
- 根据权利要求5所述的方法,其中,所述第一条件的业务为低时延业务。
- 根据权利要求2所述的方法,其中,所述方法还包括:当所述网络切片信息符合第二条件时,确定为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接。
- 根据权利要求7所述的方法,其中,所述第二条件表征所述网络切片的类型为低时延、和/或、高可靠性类型。
- 根据权利要求2所述的方法,其中,所述方法还包括:当基于所述终端设备的移动性信息确定所述终端设备为高移动性时,为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接。
- 根据权利要求1所述的方法,其中,所述网络设备为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接,包括:通知目标系统网络、或者通知目标核心网络,为所述终端设备建立所述候选连接中的至少部分连接配置。
- 根据权利要求10所述的方法,其中,所述为所述终端设备建立所述候选连接中的至少部分连接配置,包括以下至少之一:修改目标核心网络的内部PDU会话;与目标核心网络的服务网关建立连接;建立目标核心网络与接入网之间的连接。
- 根据权利要求1所述的方法,其中,所述第一网络设备为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接之后,所述方法还包括:当所述候选连接确认建立成功后,将候选连接的配置发送给终端。
- 根据权利要求1所述的方法,其中,所述第一网络设备为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接之后,所述方法还包括:当所述候选连接建立成功时,开启定时器;当所述定时器的时长达到预设门限值、且所述终端设备未通过候选连接与目标系统网络或者目标核心网络建立连接时,释放所述候选连接。
- 一种切换处理方法,应用于第二网络设备,所述第二网络设备位于目标系统网络或者目标核心网络中,所述方法包括:基于位于第一系统网络或者第一核心网络中的第一网络设备的控制,为终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接;其中,所述候选连接用于当终端设备在满足预设条件时切换到目标系统网络或者目标核心网的时候使用。
- 根据权利要求14所述的方法,其中,所述为终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接,包括:为所述终端设备建立所述候选连接中的至少部分连接配置。
- 根据权利要求15所述的方法,其中,所述为所述终端设备建立所述候选连接中的至少部分连接配置,包括以下至少之一:修改目标核心网络的内部PDU会话;与目标核心网络的服务网关建立连接;建立目标核心网络与接入网之间的连接。
- 根据权利要求14所述的方法,其中,所述为终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接之后,所述方法还包括:当所述候选连接建立成功时,开启定时器;当所述定时器的时长达到预设门限值、且所述终端设备未通过候选连接与目标系统网络或者目标核心网络建立连接时,释放所述候选连接。
- 一种切换处理方法,应用于终端设备,所述方法包括:当位于第一系统网络或者第一核心网络中的第一网络设备、与终端设备之间存在连接时,获取所述第一网络设备为所述终端设备建立的候选连接;其中,所述候选连接为所述第一网络设备为所述终端设备与目标系统网络、或者与目标核心网络之间建立的连接;所述候选连接用于当终端设备在满足预设条件下时切换到目标系统网络或者目标核心网的时候使用。
- 根据权利要求18所述的方法,其中,所述获取所述网络设备为所述终端设备建立的候选连接之后,所述方法还包括:当所述终端设备进入所述目标系统网络、或者目标核心网络的覆盖范围内时,基于所述候选连接对应的网络连接配置,与所述目标系统网络或者目标核心网络建立连接。
- 一种第一网络设备,所述方法包括:第一处理单元,当位于第一系统网络或者第一核心网络中的第一网络设备、与终端设备之间存在连接时,为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接;其中,所述候选连接用于当终端设备在满足预设条件时切换到目标系统网络或者目标核心网的时候使用。
- 根据权利要求20所述的第一网络设备,其中,所述第一处理单元,基于以下至少一个条件,判断是否为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接:所述终端设备的链路质量、所述终端设备的属性信息、所述终端设备的业务信息、网络切片信息、所述终端设备的移动性信息。
- 根据权利要求21所述的第一网络设备,其中,所述第一处理单元,判断所述终端设备的链路质量是否满足预设门限值;当所述终端设备的链路质量满足预设门限值时,确定为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接。
- 根据权利要求21所述的第一网络设备,其中,所述第一处理单元,当基于所述终端设备的属性信息,确定所述终端设备为能够建立候选连接的终端设备时,为所述终端设备建立与所述目标系统网络或者与目标核心网络之间的候选连接;其中,所述终端设备的属性信息包括以下至少之一:终端的优先级信息,终端类型信息,终端等级信息。
- 根据权利要求21所述的第一网络设备,其中,所述第一处理单元,当所述终端设备的业务信息表征所述终端设备的业务为符合第一条件的业 务时,为所述终端设备建立与所述目标系统网络或者与目标核心网络之间的候选连接。
- 根据权利要求24所述的第一网络设备,其中,所述第一条件的业务为低时延业务。
- 根据权利要求21所述的第一网络设备,其中,所述第一处理单元,当所述网络切片信息符合第二条件时,确定为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接。
- 根据权利要求26所述的第一网络设备,其中,所述第二条件表征所述网络切片的类型为低时延、和/或、高可靠性类型。
- 根据权利要求21所述的第一网络设备,其中,所述第一处理单元,当基于所述终端设备的移动性信息确定所述终端设备为高移动性时,为所述终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接。
- 根据权利要求20所述的第一网络设备,其中,所述第一网络设备还包括:第一通信单元,通知目标系统网络、或者通知目标核心网络,为所述终端设备建立所述候选连接中的至少部分连接配置。
- 根据权利要求29所述的第一网络设备,其中,所述为所述终端设备建立所述候选连接中的至少部分连接配置,包括以下至少之一:修改目标核心网络的内部PDU会话;与目标核心网络的服务网关建立连接;建立目标核心网络与接入网之间的连接。
- 根据权利要求20所述的第一网络设备,其中,所述第一网络设备还包括:第一通信单元,当所述候选连接确认建立成功后,将候选连接的配置发送给终端。
- 根据权利要求20所述的第一网络设备,其中,所述第一处理单元,当所述候选连接建立成功时,开启定时器;当所述定时器的时长达到预设门限值、且所述终端设备未通过候选连接与目标系统网络或者目标核心网络建立连接时,释放所述候选连接。
- 一种第二网络设备,所述第二网络设备位于目标系统网络或者目标核心网络中,所述第二网络设备包括:第二处理单元,基于位于第一系统网络或者第一核心网络中的第一网络设备的控制,控制第二通信单元为终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接;其中,所述候选连接用于当终端设备在满足预设条件时切换到目标系统网络或者目标核心网的时候使用;第二通信单元,为终端设备建立与目标系统网络、或者与目标核心网络之间的候选连接。
- 根据权利要求33所述的第二网络设备,其中,所述第二处理单元,为所述终端设备建立所述候选连接中的至少部分连接配置。
- 根据权利要求34所述的第二网络设备,其中,所述为所述终端设备建立所述候选连接中的至少部分连接配置,包括以下至少之一:修改目标核心网络的内部PDU会话;与目标核心网络的服务网关建立连接;建立目标核心网络与接入网之间的连接。
- 根据权利要求33所述的第二网络设备,其中,所述第二处理单元,当所述候选连接建立成功时,开启定时器;当所述定时器的时长达到预设门限值、且所述终端设备未通过候选连接与目标系统网络或者目标核心网络建立连接时,控制第二通信单元释放所述候选连接。
- 一种终端设备,所述终端设备包括:第三通信单元,当位于第一系统网络或者第一核心网络中的第一网络设备、与终端设备之间存在连接时,获取所述网络设备为所述终端设备建立的候选连接;其中,所述候选连接为所述第一网络设备为所述终端设备与目标系统网络、或者与目标核心网络之间建立的连接;所述候选连接用于当终端设备在满足预设条件下时切换到目标系统网络或者目标核心网的时候使用。
- 根据权利要求37所述的终端设备,其中,所述终端设备还包括:第三处理单元,当所述终端设备进入所述目标系统网络、或者目标核心网络的覆盖范围内时,基于所述候选连接对应的网络连接配置,控制第三通信单元与所述目标系统网络或者目标核心网络建立连接;所述第三通信单元,与所述目标系统网络或者目标核心网络建立连接。
- 一种网络设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求1-17任一项所述方法的步骤。
- 一种终端设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求18或19所述方法的步骤。
- 一种计算机存储介质,所述计算机存储介质存储有计算机可执行指令,所述计算机可执行指令被执行时实现权利要求1-19任一项所述方法的步骤。
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JP2020537501A JP2021516468A (ja) | 2018-01-10 | 2018-01-10 | ハンドオーバ処理方法、ネットワーク装置、端末装置及びコンピュータ記憶媒体 |
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