Network switching method, base station equipment and computer readable storage medium

Abstract

The embodiment of the present invention provides a network switching method, a base station device and a computer-readable storage medium. In the switching process of a wireless terminal assigned with a network policy identifier switching from a current network to a target network, the target network policy identifier of the wireless terminal in the target network can be found in a preset network policy identifier correspondence table according to the current network policy identifier of the wireless terminal in the current network, and in the switching process, the target network policy identifier is sent to the target base station of the target network. In this way, in certain implementation processes, the target base station can directly determine the target network policy of the wireless terminal in the target network according to the target network policy identifier during the switching process, and then send the corresponding network configuration information to the wireless terminal, without the need to send the corresponding network configuration information through multiple reconfigurations, which can avoid waste of air interface resources, improve resource utilization, and improve network switching efficiency.

Description

Technical Field

[0001] The embodiments of the present invention relate to, but are not limited to, the field of communications, and specifically, relate to, but are not limited to, a network switching method, a base station device, and a computer-readable storage medium. Background Art

[0002] In the related art, in some networks, certain types of wireless terminals are allocated network policy identifiers for base stations to determine the mobility strategies and physical resource allocation strategies of the wireless terminals in the network. For example, in the LTE (Long Term Evolution) protocol, the Subscriber Profile ID for RAT / Frequencypriority is defined as the user file identifier assigned by the core network on the 4G network side to a certain type of wireless terminal, hereinafter referred to as SPID. The base station side can configure different mobility strategies and physical resource allocation strategies for users based on the SPID. Similarly, in the NR (New Radio) protocol, the Index to RAT / Frequency Selection Priority is defined as the wireless access type / frequency selection priority identifier assigned by the core network on the 5G network side to a certain type of wireless terminal, hereinafter referred to as RFSPID. The 5G network base station side can configure different mobility strategies and physical resource allocation strategies for users based on the RFSPID.

[0003] In the scenario of switching between 4G network and 5G network, for example, when the wireless terminal switches from the 4G network side to the 5G network side, because the base station on the 4G network side only has the SPID of the wireless terminal, it cannot obtain the RFSPID of the wireless terminal under the core network on the 5G network side. Therefore, during the switching process, the target side base station (i.e., the 5G network side base station) cannot obtain the RFSPID, and can only configure the network policy for the wireless terminal according to the default or other rules; then after the switching is completed, the core network sends the RFSPID to the target side base station through the UE context modification request, and the target side base station then reconfigures the physical resources and mobility policies exclusive to the wireless terminal according to the RFSPID and sends them to the wireless terminal. Similarly, when switching from the 5G network side to the 4G network side, the same problem will be encountered.

[0004] In summary, it can be seen that in the relevant technology, when the wireless terminal switches between the 4G network and the 5G network, whether it is switching from the 4G network to the 5G network, or from the 5G network to the 4G network, the target base station will fail to obtain the network policy identifier of the wireless terminal in the target network after the switching during the switching process, so that the network policy identifier of the wireless terminal in the target network after the switching can only be obtained from the core network after the switching is completed. Then, the network configuration information corresponding to the exclusive network policy of the wireless terminal is sent to the wireless terminal through reconfiguration, resulting in that in the switching scenario, the physical resource configuration and mobility-related configuration information need to be sent through multiple reconfigurations, which not only causes a waste of air interface resources, but also affects the efficiency of network switching. Summary of the invention

[0005] A network switching method, a base station device and a computer-readable storage medium provided in an embodiment of the present invention are intended to solve the problem in the related art that a network policy identifier of a wireless terminal in a target network cannot be obtained during a network switching process.

[0006] In order to solve the above technical problems, an embodiment of the present invention provides a network switching method, including:

[0007] In a switching process in which a wireless terminal assigned with a network policy identifier switches from a current network to a target network, searching, according to the current network policy identifier of the wireless terminal in the current network, a target network policy identifier of the wireless terminal in the target network in a preset network policy identifier correspondence table;

[0008] During the handover process, the target network policy identifier is sent to a target base station of the target network, so that the target base station determines the target network policy of the wireless terminal in the target network according to the target network policy identifier;

[0009] The current network is a first network, the current network policy identifier is a first network policy identifier, the target network is a second network, and the target network policy identifier is a second network policy identifier, or the current network is a second network, the current network policy identifier is a second network policy identifier, the target network is a first network, and the target network policy identifier is a first network policy identifier. The network policy identifier correspondence table includes a correspondence between a first network policy identifier and a second network policy identifier of a wireless terminal assigned with a network policy identifier.

[0010] To solve the above technical problems, an embodiment of the present invention further provides a network switching method, including:

[0011] Receiving a target network policy identifier sent by the network switching method as described above;

[0012] Determining a target network policy of the wireless terminal in the target network according to the target network policy identifier;

[0013] Send network configuration information to the wireless terminal according to the target network policy.

[0014] To solve the above technical problem, an embodiment of the present invention further provides a base station device, including a first processor, a first memory and a first communication bus;

[0015] The first communication bus is used to realize the connection and communication between the first processor and the first memory;

[0016] The first processor is used to execute one or more first computer programs stored in the memory to implement the steps of the network switching method as described above.

[0017] To solve the above technical problem, an embodiment of the present invention further provides a base station device, including a second processor, a second memory and a second communication bus;

[0018] The second communication bus is used to realize the connection and communication between the second processor and the second memory;

[0019] The second processor is used to execute one or more second computer programs stored in the memory to implement the steps of the network switching method as described above.

[0020] To solve the above technical problem, an embodiment of the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores one or more first computer programs, and the one or more first computer programs can be executed by one or more first processors to implement the steps of the network switching method as described above;

[0021] or,

[0022] The computer-readable storage medium stores one or more second computer programs, and the one or more second computer programs can be executed by one or more second processors to implement the steps of the network switching method as described above.

[0023] According to the network switching method, base station device and computer-readable storage medium provided by the embodiments of the present invention, in the switching process of a wireless terminal assigned with a network policy identifier switching from a current network to a target network, the target network policy identifier of the wireless terminal in the target network can be found in a preset network policy identifier correspondence table according to the current network policy identifier of the wireless terminal in the current network, and in the switching process, the target network policy identifier is sent to the target base station of the target network. In this way, the target base station can directly determine the target network policy of the wireless terminal in the target network according to the target network policy identifier during the switching process, and then send the corresponding network configuration information to the wireless terminal. There is no need to send the corresponding network configuration information through multiple reconfigurations, which can avoid waste of air interface resources, improve resource utilization, and improve network switching efficiency.

[0024] Other features and corresponding beneficial effects of the present invention are described in the latter part of the specification, and it should be understood that at least part of the beneficial effects become obvious from the description in the specification of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of a flow chart of a network switching method provided in Embodiment 1 of the present invention;

[0026] Figure 2 Schematic diagram of the network policy identification query process provided in the first embodiment of the present invention Figure 1 ;

[0027] Figure 3 Schematic diagram of the network policy identification query process provided in the first embodiment of the present invention Figure 2 ;

[0028] Figure 4 A schematic diagram of a process of sending a network policy identifier through a switching request provided in the first embodiment of the present invention;

[0029] Figure 5 A schematic diagram of another network switching method flow chart provided in Embodiment 1 of the present invention;

[0030] Figure 6 A schematic diagram of the structure of a network switching device provided in Embodiment 2 of the present invention;

[0031] Figure 7 A schematic diagram of the structure of another network switching device provided in Embodiment 2 of the present invention;

[0032] Figure 8 A schematic diagram of a switching process of switching from a 4G network to a 5G network in the related technology provided in Embodiment 2 of the present invention;

[0033] Fig. 9A schematic diagram of a switching process of switching from a 4G network to a 5G network in the present invention provided in Embodiment 2 of the present invention;

[0034] Fig.10 A schematic diagram of a switching process of switching from a 5G network to a 4G network in the related technology provided in Embodiment 2 of the present invention;

[0035] Fig.11 A schematic diagram of a switching process of switching from a 5G network to a 4G network in the present invention provided in Embodiment 2 of the present invention;

[0036] Fig.12 A schematic diagram of the structure of a base station device provided in Embodiment 3 of the present invention;

[0037] Fig.13 A schematic diagram of another base station device structure provided in Embodiment 3 of the present invention. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the following is a further detailed description of the embodiments of the present invention through specific implementation methods combined with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0039] Embodiment 1:

[0040] In order to solve the problem in the related art that the network policy identifier of the wireless terminal in the target network cannot be obtained during the network switching process, the present embodiment provides a new network switching method. During the switching process of the wireless terminal assigned with the network policy identifier switching from the current network to the target network, the target network policy identifier of the wireless terminal in the target network can be found in the preset network policy identifier correspondence table according to the current network policy identifier of the wireless terminal in the current network, and the target network policy identifier is sent to the target base station of the target network during the switching process. In this way, the target base station can directly determine the target network policy of the wireless terminal in the target network according to the target network policy identifier during the switching process, and then send the corresponding network configuration information to the wireless terminal. There is no need to send the corresponding network configuration information through multiple reconfigurations, which can avoid waste of air interface resources, improve resource utilization, and improve the efficiency of network switching. For ease of understanding, the present embodiment is described below in conjunction with Figure 1 The network switching method shown is for illustration purposes only. Figure 1 The network switching method shown in the figure is a step performed by a network device (for example, including but not limited to a base station device) on the current network side before switching, which includes but is not limited to:

[0041] S101: In a switching process in which a wireless terminal assigned with a network policy identifier switches from a current network to a target network, a target network policy identifier of the wireless terminal in the target network is searched in a preset network policy identifier correspondence table according to the current network policy identifier of the wireless terminal in the current network.

[0042] Among them, the network policy identifier in this embodiment is an identifier for the base station to determine the network policy of the wireless terminal in the network. The setting of this identifier can be determined according to the network protocol corresponding to the specific network, and can also be flexibly set according to other rules. For example, for a 4G network, the user file identifier SPID defined in the LTE protocol can be used as the network policy identifier of the wireless terminal in the 4G network; for a 5G network, the wireless access type / frequency selection priority identifier RFSPID defined in the NR protocol can be used as the network policy identifier of the wireless terminal in the 5G network. Of course, it should be understood that the current network and the target network in this embodiment are not limited to 4G networks and 5G networks, and can also be flexibly set to other networks with network policy identifiers with similar functions configured for wireless terminals according to needs, for example, it can include but is not limited to the subsequently developed 6G network.

[0043] In some application examples of this embodiment, the current network may be the first network, the current network policy identifier is the first network policy identifier, the target network may be the second network, the target network policy identifier may be the second network policy identifier, or the current network may be the second network, the current network policy identifier is the second network policy identifier, the target network may be the first network, and the target network policy identifier may be the first network policy identifier; that is, the wireless terminal in this embodiment may switch from the first network to the second network, or from the second network to the first network. In this application example, the network policy identifier correspondence table includes the correspondence between the first network policy identifier and the second network policy identifier of the wireless terminal assigned with the network policy identifier; thus, in the network policy identifier correspondence table, the corresponding second network policy identifier can be found according to the first network policy identifier, and the corresponding first network policy identifier can also be found according to the second network policy identifier. It should be understood that in some application scenarios, the network policy identifier correspondence table may include only one table, in which the first network policy identifier and the second network policy identifier correspondingly set in the table can be used as search indexes or as search objects; two tables may also be set according to needs, in which the first network policy identifier and the second network policy identifier in one table, the first network policy identifier is used as a search index, and the second network policy identifier is used as a search object, and the table can be used when the wireless terminal switches from the first network to the second network; in the second network policy identifier and the first network policy identifier in the other table, the second network policy identifier is used as a search index, and the first network policy identifier is used as a search object, and the table can be used when the wireless terminal switches from the second network to the first network.

[0044] For example, following the above example, in some application scenarios, the first network in this embodiment may be but is not limited to a 4G network, the first network policy identifier is a user file identifier SPID, the second network may be but is not limited to a 5G network, and the second network policy identifier is a wireless access type / frequency selection priority identifier RFSPID.

[0045] It should be understood that the current network policy identifier of the wireless terminal in the current network in this embodiment can be obtained from the network management device side, or it can be obtained from the base station or other equipment of other networks when the wireless terminal switches from other networks to the current network.

[0046] Optionally, in some examples of this embodiment, the network policy identifier correspondence table may be stored in, but not limited to, the network management device of the current network. In this example, the process of finding the target network policy identifier of the wireless terminal in the target network in the preset network policy identifier correspondence table is described in detail in the following description. Figure 2 As shown, it may include but is not limited to:

[0047] S201: Send a network policy identifier query request to a network management device, where the network policy identifier query request includes a current network policy identifier.

[0048] S202: Receive a query result sent by the network management device, where the query result includes a target network policy identifier found by the network management device in a network policy identifier correspondence table according to the current network policy identifier.

[0049] Optionally, in some other examples of this embodiment, a network policy identifier correspondence table may be obtained from the network management device, and then the obtained network policy identifier correspondence table is directly searched. In this example, the process of searching the target network policy identifier of the wireless terminal in the target network in the preset network policy identifier correspondence table is shown in FIG. Figure 3 As shown, it may include but is not limited to:

[0050] S301: Obtain a network policy identifier correspondence table from a network management device.

[0051] The network policy identifier correspondence table can be obtained from the network management device at any time before the network switching is triggered, and the network device can actively send it when obtaining it, or the network management device can send it according to the request. The network policy identifier correspondence table can also be obtained in real time as needed during the network switching process, which will not be repeated here.

[0052] S302: According to the current network policy identifier, query the acquired network policy identifier correspondence table for a target network policy identifier corresponding to the current network policy identifier.

[0053] S102: During the handover process, the target network policy identifier is sent to a target base station of the target network, so that the target base station can determine the target network policy of the wireless terminal in the target network according to the target network policy identifier.

[0054] In this embodiment, during the switching process, the target network policy identifier of the wireless terminal on the target network side to be switched can be queried on the current network side, and sent to the target base station on the target network side during the switching process. In this way, the target base station can determine the network policy of the wireless terminal in the target network according to the acquired target network policy identifier during the switching process, such as including but not limited to at least one of the mobility policy and the physical resource allocation policy, and then directly determine and send the corresponding network configuration information for the wireless terminal during the switching process, without the need to send the corresponding network configuration information through multiple reconfigurations, which can avoid waste of air interface resources, improve resource utilization, and improve network switching efficiency.

[0055] It should be understood that, in this embodiment, the method of sending the target network policy identifier to the target base station of the target network can be flexibly set, for example, it can be sent to the target base station of the target network along with the handover request, or it can be sent to the target base station through other messages before sending the handover request to the target base station of the target network, or after sending the handover request to the target base station of the target network, before the target base station determines the network policy for the wireless terminal, it can be sent to the target base station through other messages. For ease of understanding, this embodiment is described below with an example of sending the target base station of the target network along with the handover request, see Figure 4 As shown, it includes but is not limited to:

[0056] S401: Write the acquired target network policy identifier into the handover request HANDOVER REQUIRED.

[0057] It should be understood that the specific location where the target network policy identifier is written into the switching request in this embodiment can be flexibly set. For example, in one example, the target network policy identifier can be written into the Source to Target Transparent Container cell of the switching request.

[0058] S402: Send a handover request to the target base station.

[0059] In this embodiment, accordingly, the steps of the network switching method executed by the network device (for example, including but not limited to the base station device) on the target network side refer to Figure 5 As shown, it includes but is not limited to:

[0060] S501: Receive a target network policy identifier sent by the network switching method as shown above.

[0061] S502: Determine a target network policy of the wireless terminal in the target network according to the target network policy identifier.

[0062] In some examples, a correspondence table including the correspondence between network policy identifiers and network policies can be pre-set, and the target network policy corresponding to the target network policy identifier can be determined through the correspondence table. Of course, the target network policy corresponding to the target network policy identifier can also be determined according to other determination methods, which will not be repeated here.

[0063] S503: Send network configuration information to the wireless terminal according to the target network policy.

[0064] For example, in some examples, assuming that the target network policy includes: at least one of a mobility policy and a physical resource allocation policy, the network configuration information determined according to the target network policy includes at least one of mobility configuration information and physical resource configuration information, and at least one of the determined mobility configuration information and physical resource configuration information is sent to the wireless terminal. This process is completed during the network switching process, and there is no need to wait for the switching to be completed, and then obtain the target network policy identifier from the core network through the UE context modification request, and then reconfigure the physical resources and mobility policies exclusive to the wireless terminal to the wireless terminal, which can avoid waste of air interface resources, improve resource utilization, and improve the efficiency of network switching.

[0065] Embodiment 2:

[0066] This embodiment provides a network switching device, which can be set on but not limited to a base station device, see Figure 6 As shown, it includes but is not limited to:

[0067] The identification acquisition module 61 is used to find the target network policy identifier of the wireless terminal in the target network in a preset network policy identifier correspondence table according to the current network policy identifier of the wireless terminal in the current network during the switching process of the wireless terminal assigned with the network policy identifier from the current network to the target network; the specific acquisition process is shown in the above examples and will not be repeated here.

[0068] The sending module 60 is used to send the target network policy identifier to the target base station of the target network during the handover process, so that the target base station can determine the target network policy of the wireless terminal in the target network according to the target network policy identifier. The specific sending process is shown in the above examples and will not be repeated here.

[0069] This embodiment also provides another network switching device, which can be set on but not limited to a base station device, see Figure 7 As shown, it includes but is not limited to:

[0070] The receiving module 71 is used to receive the target network policy identifier sent by the network switching method shown in the above examples. The specific receiving process is shown in the above examples and will not be repeated here.

[0071] The policy determination module 72 is used to determine the target network policy of the wireless terminal in the target network according to the target network policy identifier; the specific determination process is shown in the above examples and will not be repeated here.

[0072] The configuration module 73 is used to send network configuration information to the wireless terminal according to the target network policy; the specific configuration process is shown in the above examples and will not be repeated here.

[0073] For ease of understanding, this embodiment is described below in conjunction with several specific application examples.

[0074] Application example 1:

[0075] In this application example, the example of a wireless terminal switching from a 4G network to a 5G network is used for explanation. The current network in this example is the 4G network (that is, the network currently resident), and the target network is the 5G network. The current network policy identifier is the SPID of the wireless terminal in the 4G network, and the target network policy identifier is the RFSPID of the wireless terminal in the 5G network. And for ease of understanding, this example is compared with the network switching process in the related technology and the network switching method provided in this embodiment. Among them, the network switching process in the related technology is described in detail in the following. Figure 8 As shown, it includes:

[0076] S801: The 4G base station sends a handover request HANDOVER REQUIRED to the 5G base station. The handover request is used to request the wireless terminal to switch from the 4G network to the 5G network.

[0077] S802: The 5G base station sends a reconfiguration request to the wireless terminal according to the default rules or other rules to perform physical resource configuration and mobility-related configuration on the wireless terminal.

[0078] S803: The 5G core network sends a UE context modification request CONTEXT MODIFICATIONREQUEST to the 5G base station to send the RFSPID of the wireless terminal in the 5G network to the 5G base station.

[0079] S804: The 5G base station re-sends a reconfiguration request to the wireless terminal according to the obtained RFSPID to reconfigure the physical resource configuration and mobility-related configuration of the wireless terminal.

[0080] For the network switching method provided in this embodiment, please refer to Fig. 9 As shown in the figure, suppose there is a certain type of terminal A, the operator allocates SPID 2 and RFSPID 5 to this type of terminal. The terminal is currently residing on the 4G network side and is about to initiate a switch to the 5G network side. The SPID and RFSPID correspondence table is configured on the network management device on the 4G network side, where SPID 2 corresponds to RFSPID 5. For the switching process, please refer to Fig. 9 As shown, it includes but is not limited to:

[0081] S901: The 4G base station obtains the RFSPID 5 of the wireless terminal to be switched in the 5G network according to the SPID and RFSPID correspondence table; and fills the RFSPID in the Source to Target TransparentContainer of HANDOVER REQUIRED.

[0082] S902: The 4G base station sends HANDOVER REQUIRED to the 5G base station.

[0083] S903: The 5G base station obtains RFSPID5 according to the Source to Target TransparentContainer in HANDOVER REQUIRED.

[0084] S904: The 5G base station obtains the physical resource configuration and mobility-related configuration of the terminal based on RFSPID according to RFSPID, and passes it to the wireless terminal in the RRC reconfiguration message.

[0085] That is, in this application example, in the scenario where the wireless terminal switches from the 4G network to the 5G network, the SPID and RFSPID correspondence table is configured on the 4G network side base station network management. When the base station on the 4G network side initiates the switch, the SPID and RFSPID correspondence table is queried to obtain the RFSPID corresponding to the SPID of the terminal to be switched, and when filling in the switching request HANDOVERREQUIRED, the RFSPID is filled in the information element Source to Target Transparent Container. After the 5G side base station receives the HANDOVER REQUIRED, it can obtain the RFSPID of the wireless terminal through the Source to Target Transparent Container, and can allocate physical resources and proprietary mobility-related configurations to the terminal according to the RFSPID during the switching process, so that these resources can be sent to the terminal during the reconfiguration of the switching process.

[0086] Application Example 2:

[0087] In this application example, the example of a wireless terminal switching from a 5G network to a 4G network is used for explanation. The current network in this example is the 5G network (that is, the network currently resident), and the target network is the 4G network. The current network policy identifier is the RFSPID of the wireless terminal in the 5G network, and the target network policy identifier is the SPID of the wireless terminal in the 4G network. And for ease of understanding, this example is compared with the network switching process in the related technology and the network switching method provided in this embodiment. Among them, the network switching process in the related technology, please refer to Fig.10As shown, it includes:

[0088] S1001: The 5G base station sends a handover request HANDOVER REQUIRED to the 4G base station, where the handover request is used to request the wireless terminal to switch from the 5G network to the 4G network.

[0089] S1002: The 4G base station sends a reconfiguration request to the wireless terminal according to default rules or other rules to perform physical resource configuration and mobility-related configuration on the wireless terminal.

[0090] S1003: The 4G core network sends a UE context modification request CONTEXT MODIFICATIONREQUEST to the 4G base station to send the SPID of the wireless terminal in the 4G network to the 4G base station.

[0091] S1004: The 4G base station re-sends a reconfiguration request to the wireless terminal according to the acquired SPID to reconfigure the physical resource configuration and mobility-related configuration of the wireless terminal.

[0092] For the network switching method provided in this embodiment, please refer to Fig.10 As shown in the figure, suppose there is a certain type of terminal A, the operator allocates SPID 2 and RFSPID 5 to this type of terminal. The terminal is currently residing on the 5G network side and is about to initiate a switch to the 4G network side. The RFSPID and SPID correspondence table is configured on the network management device on the 5G network side, where RFSPID 5 corresponds to SPID 2. For the switching process, please refer to Fig.11 As shown, it includes but is not limited to:

[0093] S1101: The 5G base station obtains the SPID 2 of the wireless terminal to be switched in the 4G network according to the RFSPID and SPID correspondence table; and fills the SPID in the Source to Target TransparentContainer of HANDOVER REQUIRED.

[0094] S1102: The 5G base station sends HANDOVER REQUIRED to the 4G base station.

[0095] S1103: The 4G base station obtains RFSPID2 according to Source to Target TransparentContainer in HANDOVER REQUIRED.

[0096] S1104: The 4G base station obtains the physical resource configuration and mobility-related configuration of the terminal based on SPID according to RFSPID, and transmits them to the wireless terminal in the RRC reconfiguration message.

[0097] That is, in this application example, in the scenario where the wireless terminal switches from the 5G network to the 4G network, the RFSPID and SPID correspondence table is configured on the 5G side base station network management. When the handover is initiated on the 5G network side, the RFSPID and SPID correspondence table is queried to obtain the SPID corresponding to the RFSPID of the wireless terminal to be switched, and when filling in the handover request HANDOVERREQUIRED, the RFSPID is filled in the information element Source to Target Transparent Container. After the 4G side base station receives the HANDOVER REQUIRED, it can obtain the SPID of the wireless terminal through the Source to Target Transparent Container, and can allocate physical resources and dedicated mobility-related configurations to the terminal according to the SPID during the handover process. These resources can be sent to the terminal during the reconfiguration of the handover process.

[0098] It can be seen that by adopting the network switching method provided in this embodiment, when the wireless terminal switches from the 4G network to the 5G network side, the 5G base station can obtain the RFSPID of the wireless terminal during the switching process, and can send the physical resources and mobility-related resources corresponding to the RFSPID of the wireless terminal to the wireless terminal during the reconfiguration during the switching process. It is not necessary to wait until the core network sends the UE CONTEXT MODIFICATION REQUEST and then send the physical resources and mobility-related resources to the wireless terminal through reconfiguration. The purpose of saving air interface resources is achieved without modifying the protocol and adding additional processes.

[0099] When the wireless terminal switches from the 5G network to the 4G network, the 4G base station can obtain the SPID of the wireless terminal during the switching process, and can send the physical resources and mobility-related resources corresponding to the SPID of the wireless terminal to the wireless terminal during the reconfiguration during the switching process. It is not necessary to wait until the core network sends the UE CONTEXT MODIFICATION REQUEST and then send the physical resources and mobility-related resources to the wireless terminal through reconfiguration. The purpose of saving air interface resources is achieved without modifying the protocol and adding additional processes.

[0100] Embodiment three:

[0101] This embodiment also provides a base station device, which may be a base station on the network side where the wireless terminal currently resides, see Fig.12 As shown, it includes a first processor 1201, a first memory 1202 and a first communication bus 1203, wherein:

[0102] The first communication bus 1203 is used to realize the connection and communication between the first processor 1201 and the first memory 1202;

[0103] The first processor 1201 is used to execute one or more computer programs stored in the first memory 1202 to implement the above embodiments. Figure 1 At least one step in the network switching method shown.

[0104] This embodiment also provides another base station device, which can be a base station on the network side where the wireless terminal currently resides. Fig.13 As shown, it includes a second processor 1301, a second memory 1302 and a second communication bus 1303, wherein:

[0105] The second communication bus 1303 is used to realize the connection and communication between the second processor 1301 and the second memory 1302;

[0106] The second processor 1301 is used to execute one or more computer programs stored in the second memory 1302 to implement the above embodiments. Figure 5 At least one step in the network switching method shown.

[0107] The present embodiment also provides a computer-readable storage medium, which includes volatile or non-volatile, removable or non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, computer program modules or other data). Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable read only memory), flash memory or other memory technology, CD-ROM (Compact Disc Read-Only Memory), digital versatile disk (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and can be accessed by a computer.

[0108] The computer-readable storage medium in this embodiment can be used to store one or more first computer programs, and the one or more first computer programs stored therein can be executed by the first processor to implement the above-mentioned various embodiments. Figure 1 At least one step of the network switching method shown.

[0109] The computer-readable storage medium in this embodiment can be used to store one or more second computer programs, and the one or more second computer programs stored therein can be executed by the second processor to implement the above-mentioned various embodiments. Figure 5 At least one step of the network switching method shown.

[0110] This embodiment also provides a first computer program (or first computer software), which can be distributed on a computer-readable medium and executed by a computing device to implement the above-mentioned embodiments. Figure 1 At least one step of the network switching method shown; and in some cases, at least one step of the network switching method different from the examples in the above-mentioned embodiments may be adopted.

[0111] This embodiment also provides a second computer program (or second computer software), which can be distributed on a computer-readable medium and executed by a computing device to implement the above-mentioned embodiments. Figure 5 At least one step of the network switching method shown; and in some cases, at least one step of the network switching method different from the examples in the above-mentioned embodiments may be adopted.

[0112] It should be understood that, in some cases, at least one step shown or described may be performed in an order different from that described in the above embodiments.

[0113] This embodiment further provides a computer program product, including a computer readable device, on which at least one of the computer programs shown above is stored. In this embodiment, the computer readable device may include the computer readable storage medium shown above.

[0114] It can be seen that those skilled in the art should understand that all or some of the steps, systems, and functional modules / units in the above disclosed methods can be implemented as software (which can be implemented with computer program code executable by a computing device), firmware, hardware, and appropriate combinations thereof. In hardware implementations, the division between the functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, a physical component can have multiple functions, or a function or step can be performed by several physical components in cooperation. Some or all physical components can be implemented as software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or implemented as hardware, or implemented as an integrated circuit, such as an application-specific integrated circuit.

[0115] In addition, it is well known to those skilled in the art that communication media generally contain computer readable instructions, data structures, computer program modules or other data in modulated data signals such as carrier waves or other transmission mechanisms, and may include any information delivery media. Therefore, the present invention is not limited to any specific hardware and software combination.

[0116] The above contents are further detailed descriptions of the embodiments of the present invention in combination with specific implementation methods, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A network switching method, comprising: In a switching process where a wireless terminal assigned with a network policy identifier switches from a current network to a target network, searching for a target network policy identifier of the wireless terminal in the target network in a preset network policy identifier correspondence table according to the current network policy identifier of the wireless terminal in the current network; During the handover process, the target network policy identifier is sent to a target base station of the target network, so that the target base station determines the target network policy of the wireless terminal in the target network according to the target network policy identifier; The current network is a first network, the current network policy identifier is a first network policy identifier, the target network is a second network, and the target network policy identifier is a second network policy identifier, or the current network is a second network, the current network policy identifier is a second network policy identifier, the target network is a first network, and the target network policy identifier is a first network policy identifier. The network policy identifier correspondence table includes a correspondence between a first network policy identifier and a second network policy identifier of a wireless terminal assigned with a network policy identifier.

2. The network switching method according to claim 1, characterized in that: In the switching process, sending the target network policy identifier to the target base station of the target network includes: The target network policy identifier is written into a handover request, and the handover request is sent to the target base station.

3. The network switching method according to claim 2, characterized in that: The writing the target network policy identifier into the switching request includes: writing the target network policy identifier into the source-to-target transparent container cell of the switching request.

4. The network switching method according to any one of claims 1 to 3, characterized in that: The network policy identifier correspondence table is stored on the network management device of the current network, and the finding of the target network policy identifier of the wireless terminal in the target network in the preset network policy identifier correspondence table includes: Sending a network policy identifier query request to the network management device, wherein the network policy identifier query request includes the current network policy identifier; Receiving a query result sent by the network management device, the query result including a target network policy identifier queried by the network management device in the network policy identifier correspondence table according to the current network policy identifier; or, The network policy identifier correspondence table is obtained from the network management device, and according to the current network policy identifier, a target network policy identifier corresponding to the current network policy identifier is searched in the obtained network policy identifier correspondence table.

5. The network switching method according to any one of claims 1 to 3, characterized in that: The first network is a 4G network, the first network policy identifier is a user file identifier SPID, the second network is a 5G network, and the second network policy identifier is a wireless access type / frequency selection priority identifier RFSPID.

6. A network switching method, comprising: Receiving a target network policy identifier sent by the network switching method according to any one of claims 1 to 5; Determining a target network policy of the wireless terminal in the target network according to the target network policy identifier; Send network configuration information to the wireless terminal according to the target network policy.

7. The network switching method according to claim 6, characterized in that: The target network policy includes: at least one of a mobility policy and a physical resource allocation policy, and the network configuration information includes at least one of mobility configuration information and physical resource configuration information.

8. A base station device, characterized in that: comprising a first processor, a first memory and a first communication bus; The first communication bus is used to realize the connection and communication between the first processor and the first memory; The first processor is used to execute one or more first computer programs stored in the memory to implement the steps of the network switching method according to any one of claims 1 to 5.

9. A base station device, characterized in that: comprising a second processor, a second memory and a second communication bus; The second communication bus is used to realize the connection and communication between the second processor and the second memory; The second processor is used to execute one or more second computer programs stored in the memory to implement the steps of the network switching method as claimed in claim 6 or 7.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores one or more first computer programs, and the one or more first computer programs can be executed by one or more first processors to implement the steps of the network switching method according to any one of claims 1 to 5; or, The computer-readable storage medium stores one or more second computer programs, and the one or more second computer programs can be executed by one or more second processors to implement the steps of the network switching method as described in any one of claims 6 or 7.

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