Wireless communication configuration method, device, and storage medium

Abstract

The present application provides a wireless communication configuration method, a device, and a storage medium. The method comprises: acquiring indication information; and when transitioning to a radio resource control (RRC)-inactive state on the basis of the indication information, storing configuration information of conditional handover (CHO). According to the present application, when transitioning to an RRC-inactive state, configuration information of CHO is stored instead of deleting the configuration information of CHO, so that if a terminal device enters an RRC-connected state in the next state transition and still accesses a candidate cell corresponding to the configuration information of CHO, the terminal device can notify the network and continue to use the configuration information of CHO for access, thereby saving downlink signaling overhead, reducing interruptions of data transmission and handover caused by state transitions, and improving user experience.

Description

Wireless communication configuration method, device and storage medium

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on February 7, 2024, with application number 202410174020.4 and application name “Method, device and storage medium for wireless communication configuration”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of communication technology, and in particular to a method, device, and storage medium for wireless communication configuration. Background Art

[0003] In related technologies, when a terminal device migrates to a Radio Resource Control (RRC) inactive state in a conditional handover scenario, the corresponding conditional handover configuration information is released. Thus, when the terminal device migrates from the RRC_INACTIVE (Radio Resource Control inactive state) state to the RRC_CONNECTED (Radio Resource Control connected state), or when the terminal device performs a cell handover, the network device needs to resend the conditional handover configuration information to the terminal device, resulting in a large downlink signaling overhead and the interruption of data transmission and handover due to state migration. Summary of the Invention

[0004] The embodiments of the present application provide a method, device, and storage medium for wireless communication configuration, which avoid large downlink signaling overhead and reduce the impact of state migration on data transmission and switching interruptions.

[0005] In a first aspect, an embodiment of the present application proposes a method for wireless communication configuration, the method comprising: obtaining indication information; and saving configuration information of conditional switching when migrating to a wireless resource control inactive state based on the indication information.

[0006] In an optional embodiment of the first aspect, the indication information is carried in a radio resource control release message.

[0007] In an optional embodiment of the first aspect, the wireless resource control release message carries at least one of a timer, a cell identifier of a valid cell, and a wireless notification area list of a valid area, the timer is used to indicate the valid time of the configuration information of the conditional switching, and the cell identifier of the valid cell and the wireless notification area list of the valid area are both used to indicate the applicable cell of the configuration information of the conditional switching.

[0008] In an optional embodiment of the first aspect, the configuration information of the conditional switching includes: at least one of the air interface resources of the candidate cell, non-access layer signaling, primary cell group configuration information, secondary cell group configuration information, measurement configuration information, dedicated system information block, user plane bearer configuration information, and encryption parameters.

[0009] In an optional embodiment of the first aspect, the method further includes: sending first information to the network device, where the first information is used to indicate that configuration information for conditional switching is available.

[0010] In an optional embodiment of the first aspect, the first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of the candidate cell in the conditional switching configuration information.

[0011] In an optional embodiment of the first aspect, the first information is carried in a radio resource control recovery request message.

[0012] In an optional embodiment of the first aspect, the first serving cell when the conditional switching configuration information is saved is the same as the second serving cell when the first information is sent;

[0013] Alternatively, the first serving cell when saving the configuration information of the conditional switching is different from the second serving cell when sending the first information.

[0014] In an optional embodiment of the first aspect, the second service cell is a candidate cell in the configuration information of conditional switching, and the first information is sent to the network device, including: under preset conditions, applying the configuration information of conditional switching, and sending the first information to the network device, the preset conditions include: the current time meets the time specified by the timer and / or the second service cell belongs to a valid cell.

[0015] In an optional embodiment of the first aspect, sending the first information to the network device includes: initiating random access on a physical random access channel, or initiating an uplink message carrying the first information on a configured physical uplink control channel or a physical uplink shared channel.

[0016] In an optional embodiment of the first aspect, the method further includes: acquiring second information, where the second information indicates a processing method for the conditional switching configuration information; and performing corresponding processing on the conditional switching configuration information according to the processing method.

[0017] In an optional embodiment of the first aspect, the processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0018] In a second aspect, an embodiment of the present application provides a method for configuring wireless communication, including: obtaining first information, where the first information indicates that configuration information for conditional switching is available.

[0019] In an optional embodiment of the second aspect, the first information is carried in a radio resource control recovery request message.

[0020] In an optional embodiment of the second aspect, the first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of the candidate cell in the conditional switching configuration information.

[0021] In an optional embodiment of the second aspect, it also includes: obtaining configuration information of conditional switching based on the terminal device identifier and / or the candidate cell identifier; determining a processing method for the configuration information of conditional switching, and indicating second information, where the second information is used to indicate a processing method for the configuration information of conditional switching.

[0022] In an optional embodiment of the second aspect, obtaining configuration information of the conditional switching includes:

[0023] The configuration information of the conditional switching is obtained from the source network device, where the source network device is a service network device that configures the configuration information of the conditional switching for the terminal device.

[0024] In an optional embodiment of the second aspect, determining a processing method for the configuration information of the conditional switching includes: obtaining resource usage of the second service cell and the neighboring cells of the second service cell, where the second service cell is the cell currently accessed by the terminal device; obtaining a measurement report carried by the wireless resource control recovery request message; and determining a processing method for the configuration information of the conditional switching based on the resource usage and the measurement report.

[0025] In an optional embodiment of the second aspect, the processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0026] In the third aspect, an embodiment of the present application proposes a wireless communication configuration method, including: obtaining indication information, the indication information including a terminal device identifier and / or a candidate cell identifier; retrieving the conditional switching configuration information corresponding to the terminal device identifier and / or the candidate cell identifier; obtaining valid information of the candidate cell configuration information in the conditional switching configuration information; updating the conditional switching configuration information according to the valid information to obtain the updated conditional switching configuration information; sending a reply message, the reply information including: the conditional switching configuration information or the updated conditional switching configuration information.

[0027] In an optional embodiment of the third aspect, the indication information is carried in a terminal device context request message or other Xn interface messages.

[0028] In an optional embodiment of the third aspect, the reply information is carried in a terminal device context response message or other Xn interface message.

[0029] In an optional embodiment of the third aspect, obtaining valid information of the configuration information of the candidate cell in the configuration information of conditional switching includes: sending a first request message to other network devices corresponding to the candidate cell, the first request message being used to instruct other network devices to determine valid information of the configuration information of the candidate cell; and obtaining valid information sent by other network devices.

[0030] In an optional embodiment of the third aspect, the valid information includes: at least one of the cell identifier of the candidate cell whose configuration information is valid in the conditional switching configuration information, the cell identifier of the candidate cell whose configuration information is unavailable, and the cell identifier of the candidate cell whose configuration information needs to be updated.

[0031] In an optional embodiment of the third aspect, the configuration information of the conditional switching is updated according to the valid information to obtain the updated configuration information of the conditional switching, including: if the valid information indicates that the configuration information of the candidate cell is unavailable, deleting the configuration information of the candidate cell in the configuration information of the conditional switching; if the valid information indicates that the configuration information of the candidate cell is valid, continuing to retain the configuration information of the candidate cell in the configuration information of the conditional switching; if the valid information indicates that the configuration information of the candidate cell needs to be updated, continuing to retain the configuration information of the candidate cell in the configuration information of the conditional switching or deleting the configuration information of the candidate cell in the configuration information of the conditional switching.

[0032] An optional embodiment of the third aspect further includes: adding configuration information of the candidate cell to the configuration information of the conditional switching based on the second service cell and the neighboring cell information of the second service cell, and the second service cell is the cell currently accessed by the terminal device.

[0033] In a fourth aspect, an embodiment of the present application provides a terminal device, including:

[0034] An acquisition module, used for acquiring instruction information;

[0035] The saving module is used to save the configuration information of the conditional switching when migrating to the radio resource control inactive state based on the indication information.

[0036] In an optional embodiment of the fourth aspect, the indication information is carried in a radio resource control release message.

[0037] In an optional embodiment of the fourth aspect, the wireless resource control release message carries at least one of a timer, a cell identifier of a valid cell, and a wireless notification area list of a valid area, the timer is used to indicate the effective time of the configuration information of the conditional switching, and the cell identifier of the valid cell and the wireless notification area list of the valid area are both used to indicate the applicable cell of the configuration information of the conditional switching.

[0038] In an optional embodiment of the fourth aspect, the configuration information of conditional switching includes: air interface resources of the candidate cell, non-access layer signaling, main cell group configuration information, secondary cell group configuration information, measurement configuration information, dedicated system information block, user plane bearer configuration information, and at least one of encryption parameters.

[0039] An optional embodiment of the fourth aspect further includes: a sending module, a user sends first information to the network device, and the first information is used to indicate that the configuration information of the conditional switching is available.

[0040] In an optional embodiment of the fourth aspect, the first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of the candidate cell in the conditional switching configuration information.

[0041] In an optional embodiment of the fourth aspect, the first information is carried in a radio resource control recovery request message.

[0042] In an optional embodiment of the fourth aspect, the first serving cell when the conditional switching configuration information is saved is the same as the second serving cell when the first information is sent;

[0043] Alternatively, the first serving cell when saving the configuration information of the conditional switching is different from the second serving cell when sending the first information.

[0044] In an optional embodiment of the fourth aspect, the second service cell is a candidate cell in the configuration information of conditional switching, and the first information is sent to the network device, including: under preset conditions, applying the configuration information of conditional switching, and sending the first information to the network device, the preset conditions include: the current time meets the time specified by the timer and / or the second service cell belongs to a valid cell.

[0045] In an optional embodiment of the fourth aspect, sending the first information to the network device includes: initiating random access on a physical random access channel, or initiating an uplink message carrying the first information on a configured physical uplink control channel or a physical uplink shared channel.

[0046] In an optional embodiment of the fourth aspect, the acquisition module is also used to obtain second information, and the second information indicates a processing method for the configuration information of the conditional switching; and also includes: a processing module, which is used to perform corresponding processing on the configuration information of the conditional switching according to the processing method.

[0047] In an optional embodiment of the fourth aspect, the processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0048] In a fifth aspect, an embodiment of the present application provides a network device, including:

[0049] The acquisition module is configured to acquire first information, where the first information indicates that configuration information for conditional switching is available.

[0050] In an optional embodiment of the fifth aspect, the first information is carried in a radio resource control recovery request message.

[0051] In an optional embodiment of the fifth aspect, the first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of the candidate cell in the conditional switching configuration information.

[0052] In an optional embodiment of the fifth aspect, the acquisition module is also used to obtain the configuration information of the conditional switching based on the terminal device identifier and / or the candidate cell identifier; it also includes a determination module for determining the processing method of the configuration information of the conditional switching, indicating the second information, and the second information is used to indicate the processing method of the configuration information of the conditional switching.

[0053] In an optional embodiment of the fifth aspect, the acquisition module is specifically used to: obtain configuration information of conditional switching from a source network device, where the source network device is a service network device that configures the configuration information of conditional switching for the terminal device.

[0054] In an optional embodiment of the fifth aspect, the determination module is specifically used to obtain the resource usage of the second service cell and the neighboring cells of the second service cell, where the second service cell is the cell currently accessed by the terminal device; obtain the measurement report carried by the wireless resource control recovery request message; and determine the processing method of the configuration information of the conditional switching based on the resource usage and the measurement report.

[0055] In an optional embodiment of the fifth aspect, the processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0056] In a sixth aspect, an embodiment of the present application provides a network device, including:

[0057] A first acquisition module is used to acquire indication information, where the indication information includes a terminal device identifier and / or a candidate cell identifier;

[0058] A retrieval module, configured to retrieve configuration information of conditional switching corresponding to a terminal device identifier and / or a candidate cell identifier;

[0059] A second acquisition module is used to obtain valid information of the configuration information of the candidate cell in the configuration information of the conditional handover;

[0060] An updating module, configured to update the configuration information of the conditional switching according to the valid information, and obtain the updated configuration information of the conditional switching;

[0061] The sending module is used to send reply information, where the reply information includes: configuration information of the conditional switching or updated configuration information of the conditional switching.

[0062] In an optional embodiment of the sixth aspect, the indication information is carried in a terminal device context request message or other Xn interface messages.

[0063] In an optional embodiment of the sixth aspect, the reply information is carried in a terminal device context response message or other Xn interface message.

[0064] In an optional embodiment of the sixth aspect, the acquisition module is specifically used to send a first request message to other network devices corresponding to the candidate cell, and the first request message is used to instruct other network devices to determine valid information of the configuration information of the candidate cell; and obtain valid information sent by other network devices.

[0065] In an optional embodiment of the sixth aspect, the valid information includes: at least one of the cell identifier of the candidate cell whose configuration information is valid in the configuration information of the conditional switching, the cell identifier of the candidate cell whose configuration information is unavailable, and the cell identifier of the candidate cell whose configuration information needs to be updated.

[0066] In an optional embodiment of the sixth aspect, the update module is specifically used to delete the configuration information of the candidate cell in the conditional switching configuration information if the valid information indicates that the configuration information of the candidate cell is unavailable; if the valid information indicates that the configuration information of the candidate cell is valid, then continue to retain the configuration information of the candidate cell in the conditional switching configuration information; if the valid information indicates that the configuration information of the candidate cell needs to be updated, then continue to retain the configuration information of the candidate cell in the conditional switching configuration information or delete the configuration information of the candidate cell in the conditional switching configuration information.

[0067] In an optional embodiment of the sixth aspect, the update module is also used to add configuration information of the candidate cell in the conditional switching configuration information based on the second service cell and the neighboring area information of the second service cell, where the second service cell is the cell currently accessed by the terminal device.

[0068] In the seventh aspect, an embodiment of the present application provides an electronic device, comprising: a processor and a memory; the memory stores computer-executable instructions; the processor executes the computer-executable instructions stored in the memory, so that the network device executes the method of the first aspect, the method of the second aspect, or the method of the third aspect.

[0069] In an eighth aspect, an embodiment of the present application provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the method of the first aspect, the method of the second aspect, or the method of the third aspect.

[0070] In a ninth aspect, an embodiment of the present application provides a computer program product, which includes a computer program. When the computer program is run, the computer executes the method of the first aspect, the method of the second aspect, or the method of the third aspect.

[0071] The present application provides a method, device and storage medium for wireless communication configuration. The method includes: obtaining indication information; saving the configuration information of the conditional switching when migrating to the radio resource control inactive state based on the indication information. The present application saves the configuration information of the conditional switching when migrating to the RRC inactive state, instead of deleting the configuration information of the conditional switching. This can achieve that if the terminal device migrates to the RRC connected state next time and still accesses the candidate cell corresponding to the conditional switching configuration information, it can notify the network and continue to use the CHO configuration information to access, thereby saving downlink signaling overhead, reducing the impact of state migration on data transmission and switching interruption, and improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0072] FIG1 is a diagram of a communication system architecture provided by an embodiment of the present application;

[0073] FIG2 is a schematic diagram of a dual connection scenario provided in an embodiment of the present application;

[0074] FIG3 is a schematic diagram of a cell switching process provided in an embodiment of the present application;

[0075] FIG4 is a schematic diagram of a conditional switching process provided in an embodiment of the present application;

[0076] FIG5 is a flowchart of the steps of the wireless communication configuration method provided in an embodiment of the present application;

[0077] FIG6 is a schematic diagram of a network device sending an RRC release message to a terminal device according to an embodiment of the present application;

[0078] FIG7 is a first schematic diagram of a wireless communication configuration method provided in an embodiment of the present application;

[0079] FIG8 is a second schematic diagram of a wireless communication configuration method provided in an embodiment of the present application;

[0080] FIG9 is a second flowchart of the steps of the wireless communication configuration method provided in an embodiment of the present application;

[0081] FIG10 is a third schematic diagram of a wireless communication configuration method provided in an embodiment of the present application;

[0082] FIG11 is a fourth schematic diagram of a wireless communication configuration method provided in an embodiment of the present application;

[0083] FIG12 is a fifth schematic diagram of a wireless communication configuration method provided in an embodiment of the present application;

[0084] FIG13 is a sixth schematic diagram of a wireless communication configuration method provided in an embodiment of the present application;

[0085] FIG14 is a flowchart of the third step of the wireless communication configuration method provided in an embodiment of the present application;

[0086] FIG15 is a structural block diagram of a terminal device provided in an embodiment of the present application;

[0087] FIG16 is a structural block diagram 1 of a network device provided in an embodiment of the present application;

[0088] FIG17 is a second structural block diagram of a network device provided in an embodiment of the present application;

[0089] FIG18 is a schematic diagram of the hardware structure of the electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0090] To facilitate a clear description of the technical solutions of the embodiments of this application, the words "exemplary" or "for example" are used in the embodiments of this application to indicate examples, illustrations, or explanations. Any embodiment or design described in this application as "exemplary" or "for example" should not be interpreted as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0091] In the embodiments of the present application, "at least one" refers to one or more, and "more" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: the existence of A alone, the existence of A and B at the same time, and the existence of B alone, where A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following items" or similar expressions refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, c can be single or multiple.

[0092] It should be noted that the phrase "when (at) ..." or "when (in) ..." in the embodiments of the present application can refer to the instant when a certain situation occurs or a period of time after the situation occurs, and the embodiments of the present application do not specifically limit this. In addition, the display interface provided in the embodiments of the present application is only an example, and the display interface may also include more or less content.

[0093] The following first briefly describes the terms and nouns involved in the embodiments of this application.

[0094] In order to better understand the information indication method provided in the embodiment of the present application, the communication system architecture of the embodiment of the present application is first described below.

[0095] For example, Figure 1 is a diagram of a communication system architecture provided by an embodiment of the present application. As shown in Figure 1 , the communication system 100 includes a terminal device 101 and a network device 102 , and the terminal device 101 communicates with the network device 102 wirelessly.

[0096] The terminal device involved in the embodiments of the present application can also be called a terminal, which can be a device with wireless transceiver function, which can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; it can also be deployed on the water surface (such as ships, etc.); it can also be deployed in the air (for example, on airplanes, balloons and satellites, etc.). The terminal device can be user equipment (UE), wherein the UE includes a handheld device, a vehicle-mounted device, a wearable device or a computing device with wireless communication function. Exemplarily, the UE can be a mobile phone, a tablet computer or a computer with wireless transceiver function. The terminal device can also be a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, a wireless terminal in smart grid, a wireless terminal in smart city, a wireless terminal in smart home, etc. In the embodiments of the present application, the device for realizing the function of the terminal can be a terminal; it can also be a device that can support the terminal to realize the function, such as a chip system, which can be installed in the terminal.

[0097] The network device 102 involved in the embodiment of the present application includes an access network device 1021 and a core network device 1022.

[0098] Access network (RAN) equipment is the intermediate device that connects terminals to core network equipment wirelessly. It is primarily responsible for radio resource control and management, quality of service (QoS) management, data compression and encryption, etc. on the air interface side. Examples include NodeBs, evolved eNodeBs, base stations in 5G mobile communication systems or next-generation radio (NR) communication systems, and base stations in future mobile communication systems.

[0099] Core network (CN) equipment includes user plane function (UPF) network elements, access and mobility management function (AMF) network elements, session management function (SMF) network elements, policy control function (PCF) network elements, etc. Among them, the UPF network element is mainly responsible for the transmission of user data, while the other network elements can be called control plane function network elements, which are mainly responsible for authentication, authorization, registration management, session management, mobility management, and policy control to ensure the reliable and stable transmission of user data.

[0100] In an embodiment of the present application, the device for implementing the function of the network device may be a network device, or a device that can support the network device to implement the function, such as a chip system, which may be installed in the network device.

[0101] The technical solutions provided in the embodiments of the present application can be applied to the Long Term Evolution (LTE) architecture, and can also be applied to the Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (UTRAN) architecture, or the Global System for Mobile Communication (GSM) / Enhanced Data Rate for GSM Evolution (EDGE) system Radio Access Network (GSM EDGE Radio Access Network, GERAN) architecture. In addition, the technical solutions provided in the embodiments of the present application can also be applied to any other wireless communication system with similar structure and function, such as the Public Land Mobile Network (PLMN) system, the 5G communication system or the communication system after 5G, etc., and the embodiments of the present application do not impose any restrictions on this.

[0102] Wireless communication between communication devices may include: wireless communication between network devices and terminals, wireless communication between network devices and network devices, and wireless communication between terminals. In the embodiments of the present application, the term "wireless communication" may also be referred to as "communication", and the term "communication" may also be described as "data transmission", "information transmission" or "transmission". Those skilled in the art may apply the technical solutions provided in the embodiments of the present application to wireless communication between network devices and terminals, such as wireless communication between access network devices and terminals, and wireless communication between core network devices and terminals.

[0103] The application scenario of the embodiment of the present application is a dual connectivity (DC) scenario as shown in Figure 2. In Figure 2, MCG (Master cell group), SCG (Secondary cell group), Pcell (Primary cell), PScell ​​(Primary Secondary cell), Scell ​​(Secondary cell).

[0104] Furthermore, for a terminal device connected to a network device, in RRC_IDLE (radio resource control idle state), when the quality of the wireless link of the current serving cell is poor or there is an adjacent serving cell with better service quality or the currently connected network device needs to be load balanced, the terminal device will trigger a handover and perform a serving cell handover. The entire handover process includes three stages: handover preparation, handover execution, and handover completion. The specific handover process, referring to Figure 3, includes the following steps:

[0105] S300. Mobility control information provided by AMF.

[0106] Before S300, the terminal device, the source network device and the AMF (Access and Mobility Management Function) are all configured with user data.

[0107] Specifically, S300 indicates that the AMF provides mobility control information to the source network device and the target network device.

[0108] S301. Measurement control and reporting.

[0109] Specifically, the terminal device sends measurement control and reports to the source network device.

[0110] S302: Handover decision.

[0111] The source network device determines whether to switch the serving cell based on the measurement control and report, and determines the target network device of the target cell if the serving cell needs to be switched.

[0112] S303: Handover request.

[0113] Among them, after determining the service cell of the switching terminal device, the source network device sends a switching request to the target network device.

[0114] S304: Access control.

[0115] The target network device determines whether to allow the terminal device to switch the service cell.

[0116] S305: Confirm the switching request.

[0117] When the target network device permits the terminal device to switch the serving cell, a switching request confirmation is sent to the source network device to indicate that the source network device agrees to the switching.

[0118] Among them, S300 to S305 are the handover preparation stage, and after the handover preparation is completed, the subsequent handover execution process is executed.

[0119] S306: Initiate RAN handover.

[0120] The terminal device and the source network device both initiate a RAN handover, and the source network device then transfers the cache data and new data from the source UPF (User Plane Function), and the terminal device detaches and synchronizes from the old serving cell to the new serving cell.

[0121] S307a: Advance state migration.

[0122] S307b: SN state transition.

[0123] Then the user data in the source UPF is transferred to the target network device through the source network device. Further, the target network device buffers the user data from the source network device.

[0124] S308: RAN switching is completed.

[0125] Among them, S308 includes: S308a, switching success and S308b, SN state transfer.

[0126] In the embodiment of the present application, S306 to S308 are the switching execution process.

[0127] S309: Path switching request.

[0128] The target network device sends a path switching request to the AMF.

[0129] S310: Path switching in source UPF.

[0130] Among them, AMF performs path switching in the source UPF after receiving the path switching request.

[0131] After the path switching is completed, the source UPF sends an end mark to the target network device through the source network device. In addition, the target network device is configured with user data.

[0132] S311: Path switching request confirmation.

[0133] After the path switching is completed, the AMF sends a path switching request confirmation to the target network device.

[0134] S312: UE context release.

[0135] After implementing the path switch, the target network device instructs the source network device to release the UE context.

[0136] It can be seen that S309 to S312 is the process of handover completion.

[0137] Furthermore, the REL-16 protocol defines a Conditional Handover (CHO) process. This CHO process allows network devices to configure and prepare for handovers in advance, preventing handover failures caused by failures in measurement reporting, handover commands, and other processes at the cell edge, which in turn affects the user experience. Figure 4 is a flowchart of CHO. Network devices can configure conditional handover configuration information. This configuration information can include up to eight candidate cells and corresponding execution conditions for the candidate cells, such as measurement result thresholds. After receiving the configuration information, the terminal device evaluates the execution conditions. When at least one candidate cell meets the corresponding execution condition, the terminal device disconnects from the source cell, begins synchronization on the candidate cell, and sends an RRCReconfigurationComplete message to the target network device to complete the handover. After the cell handover is completed, the CHO configuration information is released.

[0138] 14 is a cell handover process based on CHO, which specifically includes the following steps:

[0139] S400. Mobility control information provided by AMF.

[0140] Before the cell switching, user data is transmitted between the terminal device and the source network device, and between the source network device and the source UPF (User Plane Function).

[0141] Furthermore, the AMF (Access and Mobility Management Function) provides mobility control information to the source network device, the target network device, and other optional target network devices.

[0142] S401, measurement control and reporting.

[0143] The terminal device sends measurement control and reports to the source network device.

[0144] S402, CHO decision.

[0145] The source network device makes CHO decisions based on measurement control and reporting.

[0146] S403a: Handover request.

[0147] The source network device sends a switching request to the target network device.

[0148] S403b: Handover request.

[0149] The source network device sends a switching request to other optional target network devices.

[0150] S404a, admission control.

[0151] Among them, the target network device performs access control.

[0152] S404b, admission control.

[0153] Among them, other optional target network devices perform admission control.

[0154] S405a: Confirm the switching request.

[0155] The target network device sends a switching request confirmation to the source network device.

[0156] S405b: Confirm the switching request.

[0157] The target network device sends a switching request confirmation to other optional source network devices.

[0158] S406: RRC reconfiguration.

[0159] The source network device sends an RRC reconfiguration to the terminal device, where the RRC reconfiguration carries the configuration information of the CHO.

[0160] S407: RRC reconfiguration is completed.

[0161] Among them, the terminal device sends RRC reconfiguration completion to the source network device after configuring the configuration information of CHO.

[0162] S407a: Advance state transfer.

[0163] The source network device sends an early state transfer to other optional target network devices.

[0164] Then, the terminal device evaluates the CHO execution condition and the terminal device detaches from the old serving cell and synchronizes to the new serving cell.

[0165] Furthermore, the source UPF transmits the user data to the target network device through the source network device.

[0166] S408: CHO switching is completed.

[0167] The CHO switching is performed between the terminal device, the source network device and the target network device, thereby enabling the terminal device to be switched from the source network device to the target network device.

[0168] Furthermore, S408 includes:

[0169] S408a: Switching is successful.

[0170] The target network device sends a switching success message to the source network device.

[0171] S408b: SN status transfer.

[0172] The source network device sends a SN (Secondary Node) state transfer to the target network device.

[0173] S408c Switching is canceled.

[0174] The source network device sends a switching cancellation to the target network device.

[0175] S408d, the switch is canceled.

[0176] The source network device sends a switching cancellation to other optional target network devices.

[0177] Furthermore, after S408 , the process further includes executing S309 to S312 in FIG. 3 to implement path switching.

[0178] Currently, in the following three situations, the terminal device will clear the CHO configuration information sent by the network device.

[0179] (1) When a terminal device reselects a cell during the CHO process, if the reselected cell is a candidate cell in the CHO configuration information, the terminal device releases the CHO configuration information after directly applying the CHO configuration information. If the reselected cell is not a candidate cell in the CHO configuration information, the CHO configuration information is directly released. (2) After the terminal device completes a CHO, the CHO configuration information is cleared. (3) When the terminal device switches to RRC_INACTIVE or RRC_IDLE, the terminal device clears the CHO configuration information sent by the network device.

[0180] In summary, in a conditional handover scenario, when the terminal device migrates to the Radio Resource Control (RRC) inactive state, the corresponding conditional handover configuration information will be released. In this way, when the terminal device migrates from the RRC_INACTIVE (Radio Resource Control inactive state) state to the RRC_CONNECTED (Radio Resource Control connected state), or when the terminal device performs a cell handover, the network device needs to resend the conditional handover configuration information to the terminal device, resulting in a large downlink signaling overhead and the interruption of state migration on data transmission and handover.

[0181] In this regard, an embodiment of the present application proposes a wireless communication configuration method, the main inventive idea of ​​which is as follows: obtaining indication information; saving the configuration information of the conditional switching when migrating to the radio resource control inactive state based on the indication information. By saving the configuration information of the conditional switching when migrating to the RRC inactive state, instead of deleting the configuration information of the conditional switching, the present application can achieve that if the terminal device enters the RRC connected state in the next state migration and still accesses the candidate cell corresponding to the conditional switching configuration information, it can notify the network and continue to use the CHO configuration information to access, thereby saving downlink signaling overhead, reducing the impact of state migration on data transmission and switching interruption, and improving user experience.

[0182] The technical solutions shown in this application are described in detail below through specific embodiments. It should be noted that the following embodiments can exist independently or in combination with each other. For the same or similar content, such as the explanation of terms or nouns, and the explanation of steps, etc., different embodiments can refer to each other and will not be repeated.

[0183] FIG5 is a schematic diagram of a wireless communication configuration method according to an embodiment of the present application. As shown in FIG5 , the wireless communication configuration method according to the present embodiment is applied to a terminal device, and the wireless communication configuration method includes:

[0184] S501: Obtain instruction information.

[0185] The indication information is carried in a radio resource control release message (RRC release message). Referring to Figure 6, the source network device sends an RRC release message to the terminal device. The RRC release message carries an indication message, which is used to instruct the terminal device to migrate from RRC_CONNECTED to RRC_INACTIVE and save the CHO configuration information previously sent by the source network device.

[0186] Furthermore, the radio resource control release message carries at least one of a timer, a cell identifier of a valid cell, and a radio notification area list of a valid area. The timer is used to indicate the valid time of the configuration information of the conditional switching. The cell identifier of the valid cell and the radio notification area (RNA) list of the valid area are both used to indicate the applicable cell of the configuration information of the conditional switching.

[0187] Specifically, the timer is used to indicate the validity period of the saved CHO configuration information. For example, if the timer is 1 hour, the saved CHO configuration information is valid within 1 hour. When the time limit of the timer is exceeded, the terminal device clears the saved CHO configuration information. In addition, the cell identifier of the valid cell is used to indicate the applicable cell for the saved CHO configuration information. For example, if the cell identifier is cell 1, cell 3, and cell 5, the terminal device can use the saved CHO configuration information only when accessing cell 1, cell 3, and cell 5. The saved CHO configuration information cannot be used in cells other than cell 1, cell 3, and cell 5, and the saved CHO configuration information is also deleted when the terminal device leaves these valid cells. The wireless notification area list includes multiple RNAs, and the CHO configuration information can only be applied when the access cell is under the multiple RNAs.

[0188] Among them, if the wireless resource control release message carries a timer, the terminal device starts the timer when receiving the wireless resource control release message.

[0189] Furthermore, before the timer expires, if the terminal device accesses the first service cell, or the cell accessed by the terminal device is a candidate cell in the conditional switching configuration information, the terminal device can perform relevant configuration according to the conditional switching configuration information.

[0190] S502: When migrating to the radio resource control inactive state based on the indication information, save the configuration information of the conditional switching.

[0191] The conditional handover configuration information includes at least one of the following: candidate cell air interface resources, non-access stratum signaling, primary cell group configuration information, secondary cell group configuration information, measurement configuration information, dedicated system information block, user plane bearer configuration information, and encryption parameters. Furthermore, the conditional handover configuration parameters may also include other parameters, which are not limited herein.

[0192] Furthermore, the air interface resources of the candidate cell include one or more of the physical channel time-frequency resources and parameter configurations of PDCCH (Physical Downlink Control Channel) / PUCCH (Physical Uplink Control Channel) / PDSCH (Physical Downlink Shared Channel) / PUSCH (Physical Uplink Shared Channel) for uplink and downlink data transmission, target cell measurement for UE to perform L1 and / or L3 measurement, pilot time-frequency resources, TCI (Transmission Control Interface) status, measurement reporting period, measurement reporting event and corresponding parameters, and measurement reporting amount; the dedicated system information block includes one or more of the corresponding SB (Scheduling Block) time-frequency resources and broadcast RNTI (Radio Network Temporary Indentifier); the user plane bearer configuration information includes the protocol stack of each layer of the corresponding DRB (Data Radio Bearer) {PDCP (Packet Data Convergence Protocol, Packet Data Convergence Protocol) / RLC (Radio Link Control, Radio Link Layer Control Protocol) / MAC (Multiple Access Control) parameter configuration, one or more of the logical channel and transport channel parameter configurations; the control plane bearer information includes the corresponding SRB (Signalling radio bearer, signaling radio bearer parameters), and the corresponding layer protocol stack (PDCP / RLC / MAC) parameter configuration, one or more of the logical channel and transport channel parameter configurations; the encryption parameters include one or more of the encryption algorithm and initialization parameters.

[0193] Furthermore, the CHO configuration information is sent by the source network device when the terminal device is in the first serving cell and in the RRC_CONNECTED state.

[0194] Furthermore, in the embodiment of the present application, when migrating to RRC_INACTIVE based on the indication information, after saving the configuration information of CHO, the further comprises: sending first information to the network device, where the first information is used to indicate that the configuration information of the conditional switching is available.

[0195] Specifically, the first information is used to inform the connected network device (which may be a source network device or a target network device different from the source network device) that the terminal device stores the configuration information of the CHO.

[0196] Specifically, the validity and validity time of the cell are determined before reporting the first information.

[0197] Specifically, the first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of a candidate cell in the conditional switching configuration information.

[0198] In the embodiment of the present application, a maximum of eight candidate cells may be configured in the configuration information of the CHO. The eight candidate cells may be neighboring cells of the first serving cell and are cells to which the terminal device may switch.

[0199] The first information is carried in the radio resource control recovery request message. Referring to Figures 7 and 8, the RRC recovery request message carries the first information.

[0200] Furthermore, the first service cell when saving the configuration information of the conditional switching is the same as the second service cell when sending the first information; or, the first service cell when saving the configuration information of the conditional switching is different from the second service cell when sending the first information.

[0201] It can be understood that the first serving cell is the cell in which the terminal device is located when it receives the RRC release message sent by the source network device and saves the CHO configuration information. The second serving cell is the cell to which the terminal device is to be handed over. When the terminal device accesses the current cell, the second serving cell is the same as the first serving cell. When the terminal device accesses another cell, the second serving cell is different from the first serving cell.

[0202] Furthermore, if the second service cell and the first service cell are not the same cell, and the second service cell is a candidate cell in the configuration information of conditional switching, sending the first information to the network device includes: under preset conditions, applying the configuration information of conditional switching, and sending the first information to the network device. The preset conditions include: the current time meets the time specified by the timer and / or the second service cell belongs to a valid cell.

[0203] It can be understood that within the valid time specified by the timer, and under the condition that the second service cell meets the cell identifier of the valid cell and the Radio Notification Area (RNA) list of the valid area, the terminal device can directly apply the saved CHO configuration information and send the first information to the network device to reduce the switching delay.

[0204] Furthermore, sending the first information to the network device includes: initiating random access of a physical random access channel (PRACH), or initiating an uplink message carrying the first information on a configured physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH).

[0205] Specifically, the first information is the information element contained in the RRC recovery request message, which is carried on the PUCCH and PUSCH physical channels. When the terminal sends the above message in the RRC inactive state, it needs to initiate random access to obtain the corresponding PUCCH and PUSCH resources before transmission.

[0206] In addition, if the terminal device needs to update the RNA, it sends a radio resource control recovery request message to the network device, and the message carries first information for indicating to the network device that it stores the configuration information of the CHO.

[0207] Furthermore, the method further includes: acquiring second information, where the second information indicates a processing method for the conditional switching configuration information; and performing corresponding processing on the conditional switching configuration information according to the processing method.

[0208] In an embodiment of the present application, the second information can be carried in an RRC recovery message.

[0209] The processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0210] In Example 1, referring to FIG7 , the terminal device sends an RRC recovery request message to the source network device in the second serving cell, wherein the RRC recovery request message carries the first information. The second serving cell and the first serving cell are the same cell or different cells, and the second serving cell is the cell served by the source network device. FIG7 specifically includes the following steps:

[0211] S701, RRC release message.

[0212] Among them, the terminal device executes S701 to S703 when in the first service cell.

[0213] In an embodiment of the present application, when the terminal device is in RRC_CONNECTED, it receives an RRC release message sent by the source network device. The RRC release message carries 1-bit indication information instructing the terminal device to migrate to RRC_INACTIVE and saves the CHO configuration information in the VarConditionalReconfig variable.

[0214] S702. Migrate to RRC_INACTIVE.

[0215] Among them, the terminal device migrates from RRC_CONNECTED to RRC_INACTIVE according to the instructions of the RRC release message.

[0216] S703: Save the configuration information of CHO.

[0217] The terminal device saves the configuration information of the CHO according to the instruction of the instruction information.

[0218] S704: RRC recovery request message.

[0219] In an optional embodiment, the terminal device accesses the current cell (the second service cell and the first service cell are the same cell) or accesses another cell under the same source network device (the second service cell and the first service cell are not the same cell), and the terminal device sends an RRC recovery request message to the source network device. The RRC recovery request message carries first information, and the first information is used to indicate that the configuration information of the CHO is available, that is, the terminal device has saved the configuration information of the CHO. The first information includes: a terminal device identifier and / or a candidate cell identifier, and the candidate cell identifier is a cell identifier of the candidate cell in the configuration information of the CHO.

[0220] S705, RRC recovery message.

[0221] The terminal device receives an RRC recovery message sent by the source network device, the RRC recovery message carrying second information. Further, the second information indicates a processing method for CHO configuration information; the terminal device can perform corresponding processing on the CHO configuration information according to the processing method.

[0222] In FIG7 , the second serving cell and the first serving cell correspond to the same network device, ie, the source network device.

[0223] In an optional embodiment, referring to FIG8 , the terminal device sends an RRC recovery request message to the target network device in a second serving cell, where the second serving cell is a cell served by the target network device, wherein the RRC recovery request message carries the first information. The second serving cell and the first serving cell are different cells, and the target network device is different from the source network device. FIG8 specifically includes the following steps:

[0224] S801, RRC release message.

[0225] S802. Migrate to RRC_INACTIVE.

[0226] S803: Save the configuration information of CHO.

[0227] Among them, S801 to S803 refer to S701 to S703 and are not repeated here.

[0228] S804: RRC recovery request message.

[0229] S805, RRC recovery message.

[0230] Among them, S804 and S805 are the interactions between the terminal device and the target network device. Other contents refer to S704 to S705 and are not repeated here.

[0231] Furthermore, in the embodiment of the present application, the processing method includes: retaining the configuration information of the CHO, deleting the configuration information of the CHO, updating the configuration information of the CHO, or adding the configuration information of the conditional switching.

[0232] Specifically, retaining the CHO configuration information means that if the CHO configuration information is available, the terminal device can continue to save the CHO configuration information. Deleting the CHO configuration information means that if the CHO configuration information is unavailable, the saved CHO configuration information is deleted and the new CHO configuration information is reconfigured. Updating the CHO configuration information means that if part of the CHO configuration information saved in the terminal device is available and part is unavailable, the available part of the CHO configuration information is retained and the unavailable part of the CHO configuration information is replaced. Adding new CHO configuration information means adding some candidate cell configuration information to the original CHO configuration information.

[0233] In an embodiment of the present application, the terminal device can perform measurements in advance based on the configuration information of CHO to obtain a measurement report. When the state of the terminal device migrates (for example, from RRC_INACTIVE to RRC_CONNECTED), the measurement report can be sent to the network device, so that the mobility performance of the terminal device after the state migration can be quickly guaranteed, thereby reducing the greater interruption delay caused by the terminal device state migration.

[0234] This application saves the configuration information of conditional switching when migrating to the RRC inactive state instead of deleting the configuration information of conditional switching. If the terminal device enters the RRC connected state in the next state migration and still accesses the candidate cell corresponding to the conditional switching configuration information, it can notify the network and continue to use the CHO configuration information to access, thereby saving downlink signaling overhead, reducing the impact of state migration on data transmission and switching interruption, and improving user experience.

[0235] 9 , a method for configuring wireless communication is shown, which is applied to a network device that is accessed by a terminal device in a second serving cell, including the following steps:

[0236] S901: Acquire first information, where the first information indicates that configuration information for conditional switching is available.

[0237] The first information is carried in a radio resource control recovery request message.

[0238] The first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of a candidate cell in the conditional switching configuration information.

[0239] It also includes: obtaining the configuration information of the conditional switching according to the terminal device identifier and / or the candidate cell identifier; determining the processing method of the configuration information of the conditional switching, and indicating the second information, where the second information is used to indicate the processing method of the configuration information of the conditional switching.

[0240] In the embodiment of the present application, the conditional switching configuration information obtained by the network device according to the terminal device identifier and / or the candidate cell identifier may be the configuration information of the originally configured CHO or the configuration information of the updated CHO.

[0241] Furthermore, obtaining the configuration information of the conditional switching includes: obtaining the configuration information of the conditional switching from a source network device, where the source network device is a service network device that configures the configuration information of the conditional switching for the terminal device.

[0242] Among them, determining the processing method of the configuration information of the conditional switching includes: obtaining the resource usage of the second service cell and the neighboring cells of the second service cell, the second service cell is the cell currently accessed by the terminal device; obtaining the measurement report carried by the wireless resource control recovery request message; determining the processing method of the configuration information of the conditional switching based on the resource usage and the measurement report.

[0243] Furthermore, the processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0244] Exemplarily, when the execution subject of S901 is the source network device, referring to FIG10 , in FIG10 , the terminal device accesses the first serving cell when saving the configuration information of CHO (that is, the second serving cell and the first serving cell are the same cell), and the interaction process includes the following steps:

[0245] S1001. RRC recovery request message.

[0246] The source network device receives an RRC recovery request message from the terminal device, where the RRC recovery request message carries first information, and the first information includes: a terminal device identifier and / or a candidate cell identifier.

[0247] S1002: Acquire CHO configuration information.

[0248] The source network device obtains the corresponding CHO configuration information locally (source network device) based on the terminal device identifier and / or the candidate cell identifier.

[0249] S1003: First request message.

[0250] In Figure 10, the other network device is the network device corresponding to the candidate cell in the CHO configuration information. The source network device sends a first request message to the other network device, where the first request message is used to request the other network device to determine valid information about the candidate cell. The valid information includes at least one of the following: the cell identifier of the candidate cell whose configuration information is valid in the conditional handover configuration information, the cell identifier of the candidate cell whose configuration information is unavailable, and the cell identifier of the candidate cell whose configuration information needs to be updated.

[0251] S1004. First response message.

[0252] The source network device receives a first response message sent by other network devices, where the first response message carries valid information.

[0253] S1005. Determine the processing method.

[0254] First, the source network device updates the CHO configuration information based on the valid information to obtain updated CHO configuration information. The specific updating method is as follows: if the valid information indicates that the configuration information of the candidate cell is unavailable, the configuration information of the candidate cell in the conditional handover configuration information is deleted; if the valid information indicates that the configuration information of the candidate cell is valid, the configuration information of the candidate cell in the conditional handover configuration information is retained; if the valid information indicates that the configuration information of the candidate cell needs to be updated, the configuration information of the candidate cell in the conditional handover configuration information is retained or deleted.

[0255] Furthermore, the source network device also adds configuration information of the candidate cell in the conditional switching configuration information based on the second service cell and the neighboring cell information of the second service cell, and the second service cell is the cell currently accessed by the terminal device.

[0256] In addition, the source network device also obtains the resource usage of the second service cell and the neighboring cells of the second service cell, where the second service cell is the cell currently accessed by the terminal device; obtains the measurement report carried by the wireless resource control recovery request message; and determines the processing method of the configuration information of the conditional switching based on the resource usage and the measurement report.

[0257] Specifically, resource usage includes physical resource usage, user load, and processing resource capacity. The source network device determines whether to continue to reserve resources of the candidate cell in the CHO configuration information for the target user based on these resource usage.

[0258] S1006. RRC recovery message.

[0259] Then, the source network device sends an RRC recovery message to the terminal device. The RRC recovery message carries second information, and the second information is used to indicate how the terminal device processes the configuration information of the CHO.

[0260] Specifically, the second information can be 1-bit indication information. If the indication information is 0, it indicates deletion of the CHO configuration information, and 1 indicates continued retention of the CHO configuration information, or the second information can be 2-bit indication information. If the indication information is 00, it indicates deletion; if the indication information is 01, it indicates subsequent reconfiguration (update); if the indication information is 11, it indicates continued retention or re-issuance of a new set of CHO configuration information, using the candidate cell identifier as an index. If the newly configured candidate cell identifier is consistent with an identifier of the configuration information of the originally retained candidate cell, check whether there is new configuration information. If so, retain the original configuration according to the new configuration information; if not, continue to save according to the original configuration information; if the candidate cell identifier of the new configuration information contains a candidate cell identifier that was not originally saved, save according to the new configuration information; if the candidate cell identifier of the new configuration information does not contain the originally saved candidate cell, delete the configuration information corresponding to the candidate cell.

[0261] Specifically, the source cell device adds candidate cell configuration information based on the cell and neighboring cell information accessed by the UE.

[0262] In FIG10 , the source network device and the terminal device interact with each other, and the source network device updates the configuration information of the CHO and determines the processing method of the configuration information of the CHO.

[0263] In another exemplary embodiment, when the target network device is executed as the subject of S901, referring to FIG11 , the following steps are included:

[0264] S1101. RRC recovery request message.

[0265] The target network device receives an RRC recovery request message from the terminal device, where the RRC recovery request message carries first information, and the first information includes: a terminal device identifier and / or a candidate cell identifier.

[0266] S1102: UE context request message.

[0267] Among them, the target network device determines the source network device according to the terminal device identifier and / or the candidate cell identifier, and then sends a UE context request message to the source network device. The UE context request message carries indication information, which is used to instruct the source network device to obtain the configuration information of CHO. The indication information includes the terminal device identifier and / or the candidate cell identifier.

[0268] S1103. Retrieve the configuration information of CHO.

[0269] The source network device retrieves the corresponding CHO configuration information based on the terminal device identifier and / or the candidate cell identifier.

[0270] S1104: First request message.

[0271] The other network devices are network devices corresponding to the candidate cells in the CHO configuration information. The source network device sends a first request message to the other network devices, and the source network device sends a first request message to the other network devices, where the first request message is used to request the other network devices to determine valid information of the candidate cells.

[0272] S1105. First response message.

[0273] The source network device receives a first response message sent by other network devices, where the first response message carries valid information.

[0274] S1106: Update the configuration information of CHO.

[0275] The source network device updates the CHO configuration information based on the valid information to obtain updated CHO configuration information. The specific updating method is as follows: if the valid information indicates that the configuration information of the candidate cell is unavailable, the configuration information of the candidate cell in the conditional handover configuration information is deleted; if the valid information indicates that the configuration information of the candidate cell is valid, the configuration information of the candidate cell in the conditional handover configuration information is retained; if the valid information indicates that the configuration information of the candidate cell needs to be updated, the configuration information of the candidate cell is retained in the conditional handover configuration information.

[0276] Among them, the source network device updates the CHO configuration information further including: adding the configuration information of the candidate cell to the conditional switching configuration information based on the second service cell and the neighboring cell information of the second service cell, and the second service cell is the cell currently accessed by the terminal device.

[0277] It can be understood that the newly added candidate cell configuration information is the configuration information of the candidate cell that is not included in the original LTM configuration information. For example, if the terminal device has saved the candidate cell configuration information corresponding to cell 1, cell 2, cell 3, and cell 4, and needs to configure cell 5 and cell 6 as neighboring cells of the second serving cell where the terminal device is located, the configuration information of cell 5 can be added as the candidate cell configuration information.

[0278] S1107. UE context response message.

[0279] The source network device sends a UE context response message to the target network device, where the UE context response message carries the updated CHO configuration information.

[0280] S1108. Determine the processing method.

[0281] The target network device determines a processing method for the CHO configuration information according to the updated CHO configuration information, resource usage, and measurement report.

[0282] S1109, RRC recovery message.

[0283] Then, the target network device sends an RRC recovery message to the terminal device, where the RRC recovery message carries second information, and the second information is used to indicate how the terminal device processes the configuration information of the CHO.

[0284] In FIG11 , the target network device and the terminal device interact with each other, the source network device updates the configuration information of the CHO, and the target network device determines the processing method of the configuration information of the CHO.

[0285] In addition, the target network device may obtain the configuration information and valid information of the CHO from the source network device, and then update the configuration information of the CHO according to the valid information.

[0286] In one embodiment, when the execution subject of S901 is the target network device, there are two cases, with reference to FIG12 and FIG13 , wherein FIG12 specifically includes the following steps:

[0287] S1201. RRC recovery request message.

[0288] Among them, when the terminal device is in RRC_INACTIVE and has data to be transmitted, it sends an RRC recovery request message to the target network device.

[0289] S1202: UE context request message.

[0290] S1203: First request message.

[0291] S1204: First response message.

[0292] S1205: UE context response message.

[0293] S1206. RRC recovery message.

[0294] Among them, the specific implementation process of S1201 to S1206 refers to S1101 to S1109 and will not be repeated here.

[0295] S1207: RRC recovery complete message.

[0296] After processing the CHO configuration information, the terminal device switches to the RRC connected state and then sends an RRC recovery complete message to the target network device.

[0297] S1208, Xn-u address indication.

[0298] Among them, after receiving the radio resource control recovery completion message from the endpoint device, the target network device sends an Xn-u address indication to the source network device, so that the source network device connects to the AMF according to the Xn-u address.

[0299] S1209: Path conversion request.

[0300] S1210: Path conversion request response.

[0301] Among them, S1209 and S1210 implement the path conversion of data transmission.

[0302] S1211. UE context release.

[0303] The target network device sends a UE context release to the source network device, instructing the source network device to release the UE context.

[0304] When the terminal device updates RNA, FIG13 specifically includes the following steps:

[0305] S1301. RRC recovery request message.

[0306] S1302: UE context request message.

[0307] S1303: First request message.

[0308] S1304: First response message.

[0309] S1305: UE context response message.

[0310] The specific implementation process of S1301 to S1305 refers to S1101 to S1107 and will not be repeated here.

[0311] S1306. Set the UE to RRC_INACTIVE.

[0312] In FIG13 , the terminal device sends an RRC recovery request message to the target network device when the RNA is updated, and the terminal device does not need to transmit data. The target network device then sets the terminal device to an RRC inactive state.

[0313] S1307, Xn-u address indication.

[0314] S1308: Path conversion request.

[0315] S1309: Path conversion request response.

[0316] S1307 to S1309 refer to S1208 to S1210 and will not be repeated here.

[0317] S1310, RRC release message.

[0318] In an embodiment of the present application, the RRC release message carries a processing method for the CHO configuration information. After receiving the RRC release message, the terminal device processes the CHO configuration information according to the processing method, such as continuing to retain the CHO configuration information, updating the CHO configuration information, or deleting the saved CHO configuration information and reconfiguring new CHO configuration information.

[0319] Furthermore, after receiving the RRC release message, the terminal device still maintains the RRC inactive state.

[0320] S1311, UE context release

[0321] In an optional embodiment, if the terminal device needs to update the RNA, such as when the timer has not timed out or the RNA needs to be updated when the RNA changes, the first information is carried in the RNAU (based Notification Area Update, RAN-based notification area update) message, and the terminal device sends the RNAU message to the target network device to notify the target network device. The terminal device stores the configuration information of the CHO, and the target network device can choose to update or delete the configuration information of the CHO.

[0322] Furthermore, when the terminal device migrates to RRC_IDLE, the configuration information of CHO is deleted.

[0323] This application saves the configuration information of conditional switching when migrating to the RRC inactive state instead of deleting the configuration information of conditional switching. If the terminal device enters the RRC connected state in the next state migration and still accesses the candidate cell corresponding to the conditional switching configuration information, it can notify the network and continue to use the CHO configuration information to access, thereby saving downlink signaling overhead, reducing the impact of state migration on data transmission and switching interruption, and improving user experience.

[0324] 14 , a method for configuring wireless communication is also provided. The method is performed by the source network device in the scenario of FIG. 11 , and specifically includes the following steps:

[0325] S141. Obtain indication information, where the indication information includes a terminal device identifier and / or a candidate cell identifier.

[0326] The indication information is carried in the terminal device context request message or other Xn interface messages.

[0327] 11 and 12 , the indication information is carried in a UE context request message sent by the target network device to the source network device. In addition, the indication information may also be carried in an Xn interface message sent by the target network device to the source network device.

[0328] S142. Retrieve the configuration information of the conditional switching corresponding to the terminal device identifier and / or the candidate cell identifier.

[0329] The source network device may retrieve the configuration information of the CHO in the source network device.

[0330] S143. Obtain valid information of the configuration information of the candidate cell in the configuration information of the conditional handover.

[0331] The source network device needs to determine the validity information of the candidate cell's configuration information from other network devices corresponding to the candidate cell, including the validity of the candidate cell's configuration information and whether it needs to be updated. Furthermore, the candidate cell's configuration information is part of the CHO's configuration information that is related to the candidate cell.

[0332] Specifically, obtaining valid information of the configuration information of the candidate cell in the configuration information of the conditional switching includes: sending a first request message to other network devices corresponding to the candidate cell, the first request message is used to instruct other network devices to determine the valid information of the configuration information of the candidate cell; obtaining the valid information sent by other network devices.

[0333] For example, the configuration information of CHO is configured with 8 candidate cells, namely candidate cell 1 to candidate cell 8, among which the network device serving candidate cell 1, candidate cell 2 and candidate cell 3 is other network device a, the network device serving candidate cell 4, candidate cell 5 and candidate cell 6 is other network device b, and the network device serving candidate cell 7 and candidate cell 8 is other network device c.

[0334] Furthermore, the valid information includes at least one of: a cell representation of a candidate cell whose configuration information is valid in the conditional handover configuration information, a cell identifier of a candidate cell whose configuration information is unavailable, and a cell identifier of a candidate cell whose configuration information needs to be updated.

[0335] Specifically, referring to Figures 11 to 13, the source network device sends a first request message to other network device a. This first request message carries the cell identifiers and configuration information of candidate cells 1, 2, and 3, enabling other network device a to determine the valid information of each of these cells. This valid information is returned to the source network device in a first response message. The source network device then sends a first request message to other network device b. This first request message carries the cell identifiers and configuration information of candidate cells 4, 5, and 6, enabling other network device b to determine the valid information of each of these cells. This valid information is returned to the source network device in a first response message. The source network device then sends a first request message to other network device c. This first request message carries the cell identifiers and configuration information of candidate cells 7 and 8, enabling other network device c to determine the valid information of each of these cells. This valid information is returned to the source network device in a first response message. The source network device then obtains the valid information of each candidate cell.

[0336] S144. Update the configuration information of the CHO according to the valid information to obtain the updated configuration information of the CHO.

[0337] In addition, in an optional embodiment, if the valid information indicates that the configuration information of one of the candidate cells is unavailable, the source network device deletes the configuration information of the candidate cell from the CHO configuration information and records the cell identifier of the candidate cell. For example, if the configuration information of candidate cell 3 is unavailable, the source network device deletes the configuration information of candidate cell 3 from the CHO configuration information and records the cell identifier of candidate cell 3.

[0338] In another optional embodiment, if the validity information indicates that the configuration information of one of the candidate cells is valid, the source network device continues to retain the configuration information of the candidate cell in the CHO configuration information. For example, if the configuration information of candidate cell 1, candidate cell 2, candidate cell 5, and candidate cell 7 is valid, the source network device retains the configuration information of candidate cell 1, candidate cell 2, candidate cell 5, and candidate cell 7 in the CHO configuration information.

[0339] In another optional embodiment, if the valid information indicates that the configuration information of one of the candidate cells needs to be updated, the source network device continues to retain the configuration information of the candidate cell in the configuration information of the CHO or deletes the configuration information of the candidate cell in the configuration information of the CHO, and records the cell identifiers of these deleted candidate cells. For example, if the configuration information of candidate cell 4, candidate cell 6 and candidate cell 8 needs to be updated, the source network device retains the configuration information of candidate cell 4, candidate cell 6 and candidate cell 8 in the configuration information of the CHO or deletes the configuration information of candidate cell 4, candidate cell 6 and candidate cell 8 in the configuration information of the CHO, and records the cell identifiers of these deleted candidate cells 4, candidate cell 6 and candidate cell 8.

[0340] In an embodiment of the present application, if the configuration information of each candidate cell in the CHO configuration information is valid, it is determined that the CHO configuration information is valid and does not need to be updated. Otherwise, the CHO configuration information is updated in the above manner to obtain the updated CHO configuration information.

[0341] S145. Send reply information, where the reply information includes: configuration information of the conditional switching or updated configuration information of the conditional switching.

[0342] In the embodiment of the present application, if the configuration information of the CHO does not need to be updated, the reply information includes the original configuration information of the CHO; if it needs to be updated, the reply information includes the updated configuration information of the CHO.

[0343] The reply information is carried in the terminal device context response message or other Xn interface message.

[0344] This application saves the configuration information of conditional switching when migrating to the RRC inactive state instead of deleting the configuration information of conditional switching. If the terminal device enters the RRC connected state in the next state migration and still accesses the candidate cell corresponding to the conditional switching configuration information, it can notify the network and continue to use the CHO configuration information to access, thereby saving downlink signaling overhead, reducing the impact of state migration on data transmission and switching interruption, and improving user experience.

[0345] For other specific implementation processes of this embodiment, please refer to the above content and will not be repeated here.

[0346] FIG15 is a schematic diagram of the structure of a terminal device provided in an embodiment of the present application. As shown in FIG15 , the terminal device 150 of this embodiment includes: an acquisition module 151 and a storage module 152, wherein:

[0347] An acquisition module 151 is used to acquire instruction information;

[0348] The saving module 152 is configured to save the configuration information of the conditional switching when migrating to the radio resource control inactive state based on the indication information.

[0349] In an optional embodiment, the indication information is carried in a radio resource control release message.

[0350] In an optional embodiment, the radio resource control release message carries at least one of a timer, a cell identifier of a valid cell, and a wireless notification area list of a valid area. The timer is used to indicate the valid time of the configuration information of the conditional switching. The cell identifier of the valid cell and the wireless notification area list of the valid area are both used to indicate the applicable cells of the configuration information of the conditional switching.

[0351] In an optional embodiment, the configuration information of conditional switching includes: at least one of the candidate cell's air interface resources, non-access layer signaling, primary cell group configuration information, secondary cell group configuration information, measurement configuration information, dedicated system information block, user plane bearer configuration information, and encryption parameters.

[0352] In an optional embodiment, the method further includes: a sending module (not shown), wherein a user sends first information to the network device, where the first information is used to indicate that configuration information for conditional switching is available.

[0353] In an optional embodiment, the first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of a candidate cell in the conditional switching configuration information.

[0354] In an optional embodiment, the first information is carried in a radio resource control recovery request message.

[0355] In an optional embodiment, the first serving cell when the conditional switching configuration information is saved is the same as the second serving cell when the first information is sent;

[0356] Alternatively, the first serving cell when saving the configuration information of the conditional switching is different from the second serving cell when sending the first information.

[0357] In an optional embodiment, the second service cell is a candidate cell in the configuration information of conditional switching, and the first information is sent to the network device, including: under preset conditions, applying the configuration information of conditional switching, and sending the first information to the network device, the preset conditions include: the current time meets the time specified by the timer and / or the second service cell belongs to a valid cell.

[0358] In an optional embodiment, sending the first information to the network device includes: initiating random access on a physical random access channel, or initiating an uplink message carrying the first information on a configured physical uplink control channel or a physical uplink shared channel.

[0359] In an optional embodiment, the acquisition module 151 is further used to obtain second information, which indicates a processing method for the conditional switching configuration information; and also includes a processing module (not shown) for performing corresponding processing on the conditional switching configuration information according to the processing method.

[0360] In an optional embodiment, the processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0361] The terminal device provided in this embodiment is used to implement the technical solution of the terminal device in the aforementioned method embodiment. Its implementation principle and technical effects are similar and will not be repeated here.

[0362] Figure 16 is a schematic diagram of the structure of a network device provided in an embodiment of the present application. As shown in Figure 16, the network device 160 of this embodiment includes: an acquisition module 161 for acquiring first information indicating that configuration information for conditional switching is available.

[0363] In an optional embodiment, the first information is carried in a radio resource control recovery request message.

[0364] In an optional embodiment, the first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of a candidate cell in the conditional switching configuration information.

[0365] In an optional embodiment, the acquisition module 161 is also used to obtain the configuration information of the conditional switching based on the terminal device identifier and / or the candidate cell identifier; and also includes a determination module (not shown) for determining the processing method of the configuration information of the conditional switching, indicating the second information, and the second information is used to indicate the processing method of the configuration information of the conditional switching.

[0366] In an optional embodiment, the acquisition module 161 is specifically configured to: acquire the configuration information of the conditional switching from a source network device, where the source network device is a serving network device that configures the configuration information of the conditional switching for the terminal device.

[0367] In an optional embodiment, the determination module is specifically used to obtain the resource usage of the second service cell and the neighboring cells of the second service cell, where the second service cell is the cell currently accessed by the terminal device; obtain the measurement report carried by the wireless resource control recovery request message; and determine the processing method of the configuration information of the conditional switching based on the resource usage and the measurement report.

[0368] In an optional embodiment, the processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

[0369] The network device provided in this embodiment may be a core network device or an access network device, and is used to implement the technical solution of the core network device or the access network device in the aforementioned method embodiment. The implementation principle and technical effects are similar and will not be repeated here.

[0370] FIG17 is a schematic diagram of the structure of a network device provided in an embodiment of the present application. As shown in FIG17 , the network device 170 of this embodiment includes:

[0371] A first acquisition module 171 acquires indication information, where the indication information includes a terminal device identifier and / or a candidate cell identifier;

[0372] A retrieval module 172 is configured to retrieve configuration information of conditional handover corresponding to a terminal device identifier and / or a candidate cell identifier;

[0373] A second acquisition module 173 is configured to acquire valid information of the configuration information of the candidate cell in the configuration information of the conditional handover;

[0374] An updating module 174 is configured to update the configuration information of the conditional switching according to the valid information to obtain the updated configuration information of the conditional switching;

[0375] The sending module 175 is configured to send a reply message, where the reply message includes: the configuration information of the conditional switching or the updated configuration information of the conditional switching.

[0376] In an optional embodiment, the indication information is carried in a terminal device context request message or other Xn interface messages.

[0377] In an optional embodiment, the reply information is carried in a terminal device context response message or other Xn interface message.

[0378] In an optional embodiment, the second acquisition module 173 is specifically used to send a first request message to other network devices corresponding to the candidate cell, where the first request message is used to instruct other network devices to determine valid information of the configuration information of the candidate cell; and obtain valid information sent by other network devices.

[0379] In an optional embodiment, the valid information includes at least one of: a cell identifier of a candidate cell whose configuration information is valid, a cell identifier of a candidate cell whose configuration information is unavailable, and a cell identifier of a candidate cell whose configuration information needs to be updated in the conditional switching configuration information.

[0380] In an optional embodiment, the update module is specifically used to delete the configuration information of the candidate cell in the conditional switching configuration information if the valid information indicates that the configuration information of the candidate cell is unavailable; if the valid information indicates that the configuration information of the candidate cell is valid, then continue to retain the configuration information of the candidate cell in the conditional switching configuration information; if the valid information indicates that the configuration information of the candidate cell needs to be updated, then continue to retain the configuration information of the candidate cell in the conditional switching configuration information or delete the configuration information of the candidate cell in the conditional switching configuration information.

[0381] In an optional embodiment, the update module 174 is further used to add configuration information of the candidate cell in the conditional switching configuration information based on the second service cell and the neighboring cell information of the second service cell, where the second service cell is the cell currently accessed by the terminal device.

[0382] The network device provided in this embodiment may be a core network device or an access network device, and is used to implement the technical solution of the core network device or the access network device in the aforementioned method embodiment. The implementation principle and technical effects are similar and will not be repeated here.

[0383] Figure 18 is a schematic diagram of the hardware structure of an electronic device provided in an embodiment of the present application. As shown in Figure 18, electronic device 180 includes: a processor 181 and a memory 182; memory 182 stores computer-executable instructions; processor 181 executes the computer-executable instructions stored in memory 182, so that the electronic device performs the technical solutions in the aforementioned method embodiments. The implementation principles and technical effects are similar and will not be further described here.

[0384] An embodiment of the present application further provides a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, the method steps in the aforementioned method embodiment are implemented.

[0385] An embodiment of the present application provides a computer program product, including a computer program. When the computer program is executed, the computer executes the method steps in the aforementioned method embodiment.

[0386] The methods described in the above embodiments can be implemented in whole or in part through software, hardware, firmware, or any combination thereof. If implemented in software, the functions can be stored as one or more instructions or codes on a computer-readable medium or transmitted on a computer-readable medium. Computer-readable media can include computer storage media and communication media, and can also include any medium that can transfer a computer program from one place to another. The storage medium can be any target medium that can be accessed by a computer.

[0387] In one possible implementation, computer-readable media may include RAM, ROM, compact disc read-only memory (CD-ROM) or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium designed to carry or store the desired program code in the form of instructions or data structures and accessible by a computer. Moreover, any connection is appropriately referred to as a computer-readable medium. For example, if a coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL) or wireless technologies such as infrared, radio and microwave are used to transmit software from a website, server or other remote source, the coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies such as infrared, radio and microwave are included in the definition of medium. Disk and optical disk as used herein include optical disk, laser disk, optical disk, digital versatile disk (DVD), floppy disk and Blu-ray disk, where disks generally reproduce data magnetically, while optical disks reproduce data optically using lasers. Combinations of the above should also be included within the scope of computer-readable media.

[0388] An embodiment of the present application provides a computer program product, which includes a computer program. When the computer program is executed, the computer executes the above method.

[0389] The present application embodiment is described with reference to the flowchart and / or block diagram of the method, device (system) according to the embodiment of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, and the combination of the process and / or box in the flowchart and / or block diagram can be implemented by computer program instructions. These computer program instructions can be provided to the processing unit of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable device to produce a machine, so that the instructions executed by the processing unit of the computer or other programmable data processing device produce a device for implementing the function specified in one process or multiple processes in the flowchart and / or one box or multiple boxes in the block diagram.

[0390] The above specific implementation methods further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific implementation methods of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements, improvements, etc. made on the basis of the technical solutions of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for wireless communication configuration, characterized in that: include: Get instructions; When migrating to the radio resource control inactive state based on the indication information, the configuration information of the conditional switching is saved.

2. The method according to claim 1, characterized in that The indication information is carried in a radio resource control release message.

3. The method according to claim 2, characterized in that The radio resource control release message carries at least one of a timer, a cell identifier of a valid cell, and a wireless notification area list of a valid area, the timer being used to indicate the valid time of the configuration information of the conditional switching, and the cell identifier of the valid cell and the wireless notification area list of the valid area being used to indicate the applicable cell of the configuration information of the conditional switching.

4. The method according to any one of claims 1 to 3, characterized in that The configuration information of the conditional switching includes at least one of the following: air interface resources of the candidate cell, non-access layer signaling, primary cell group configuration information, secondary cell group configuration information, measurement configuration information, dedicated system information block, user plane bearer configuration information, and encryption parameters.

5. The method according to claim 4, characterized in that Also includes: First information is sent to the network device, where the first information is used to indicate that configuration information for conditional switching is available.

6. The method according to claim 5, characterized in that The first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of a candidate cell in the configuration information of the conditional switching.

7. The method according to claim 5 or 6, characterized in that The first information is carried in a radio resource control recovery request message.

8. The method according to any one of claims 5 to 7, characterized in that The first serving cell when storing the configuration information of the conditional handover is the same as the second serving cell when sending the first information; Alternatively, the first serving cell when saving the configuration information of the conditional switching is different from the second serving cell when sending the first information.

9. The method according to claim 8, characterized in that The second serving cell is a candidate cell in the configuration information of the conditional handover, and the sending the first information to the network device includes: Under preset conditions, the configuration information of the conditional switching is applied to send the first information to the network device, and the preset conditions include: the current time meets the time specified by the timer and / or the second serving cell is a valid cell.

10. The method according to any one of claims 5 to 9, characterized in that The sending the first information to the network device includes: Initiate random access on a physical random access channel, or initiate an uplink message carrying the first information on a configured physical uplink control channel or a physical uplink shared channel.

11. The method according to any one of claims 5 to 10, characterized in that Also includes: Acquire second information, where the second information indicates a processing method for the configuration information of the conditional switching; According to the processing method, the configuration information of the conditional switching is processed accordingly.

12. The method according to claim 11, characterized in that The processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

13. A method for wireless communication configuration, characterized in that: include: First information is obtained, where the first information indicates that configuration information for conditional switching is available.

14. The method according to claim 13, characterized in that The first information is carried in a radio resource control recovery request message.

15. The method according to claim 13 or 14, characterized in that The first information includes: a terminal device identifier and / or a candidate cell identifier, where the candidate cell identifier is a cell identifier of a candidate cell in the configuration information of the conditional switching.

16. The method according to claim 15, characterized in that Also includes: Acquiring conditional handover configuration information according to the terminal device identifier and / or candidate cell identifier; Determine a processing method for the configuration information of the conditional switching and indicate second information, where the second information is used to indicate the processing method for the configuration information of the conditional switching.

17. The method according to claim 16, characterized in that The obtaining of the configuration information of the conditional switching includes: The configuration information of the conditional switching is obtained from a source network device, where the source network device is a serving network device that configures the configuration information of the conditional switching for the terminal device.

18. The method according to claim 16 or 17, characterized in that The method for processing the configuration information for determining the conditional switching includes: Obtain resource usage of a second serving cell and a neighboring cell of the second serving cell, where the second serving cell is a cell currently accessed by the terminal device; Obtaining a measurement report carried in the radio resource control recovery request message; A processing method for the conditional switching configuration information is determined according to the resource usage and the measurement report.

19. The method according to claim 18, characterized in that The processing method includes: retaining the configuration information of the conditional switching, deleting the configuration information of the conditional switching, updating the configuration information of the conditional switching, or adding the configuration information of the conditional switching.

20. A method for wireless communication configuration, characterized in that: include: Obtaining indication information, where the indication information includes a terminal device identifier and / or a candidate cell identifier; Retrieving configuration information of conditional switching corresponding to the terminal device identifier and / or candidate cell identifier; Obtaining valid information of configuration information of candidate cells in the configuration information of the conditional handover; updating the configuration information of the conditional switching according to the valid information to obtain updated configuration information of the conditional switching; Sending a reply message, wherein the reply message includes: the configuration information of the conditional switching or the updated configuration information of the conditional switching.

21. The method for wireless communication configuration according to claim 20, wherein: The indication information is carried in a terminal device context request message or other Xn interface messages.

22. The method for wireless communication configuration according to claim 20 or 21, characterized in that: The reply information is carried in the terminal device context response message or other Xn interface message.

23. The method for wireless communication configuration according to any one of claims 20 to 22, characterized in that: The obtaining of valid information of the configuration information of the candidate cell in the configuration information of the conditional handover includes: Sending a first request message to other network devices corresponding to the candidate cell, where the first request message is used to instruct the other network devices to determine valid information of the configuration information of the candidate cell; Acquire valid information sent by the other network devices.

24. The method for wireless communication configuration according to any one of claims 20 to 23, characterized in that: The valid information includes at least one of the following: a cell identifier of a candidate cell whose configuration information is valid, a cell identifier of a candidate cell whose configuration information is unavailable, and a cell identifier of a candidate cell whose configuration information needs to be updated in the conditional switching configuration information.

25. The method for wireless communication configuration according to claim 24, wherein: The updating of the conditional switching configuration information according to the valid information to obtain the updated conditional switching configuration information includes: If the valid information indicates that the configuration information of the candidate cell is unavailable, deleting the configuration information of the candidate cell in the conditional switching configuration information; If the valid information indicates that the configuration information of the candidate cell is valid, then the configuration information of the candidate cell in the conditional switching configuration information is retained; If the valid information indicates that the configuration information of the candidate cell needs to be updated, the configuration information of the candidate cell in the conditional switching configuration information is retained or deleted.

26. The method for wireless communication configuration according to any one of claims 20 to 25, characterized in that: Also includes: According to the second serving cell and the neighboring cell information of the second serving cell, the configuration information of the candidate cell is added to the configuration information of the conditional switching, and the second serving cell is the cell currently accessed by the terminal device.

27. An electronic device, characterized in that: include: processor and memory; The memory stores computer-executable instructions; The processor executes the computer-executable instructions stored in the memory, so that the electronic device performs the method as described in any one of claims 1 to 12, or the electronic device performs the method as described in any one of claims 13 to 19, or the electronic device performs the method as described in any one of claims 20 to 26.

28. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, it implements the method according to any one of claims 1 to 12, or enables the electronic device to execute the method according to any one of claims 13 to 19, or enables the electronic device to execute the method according to any one of claims 20 to 26.

29. A computer program product, characterized in that Comprising a computer program, which, when executed, causes a computer to execute the method as claimed in any one of claims 1 to 12, or causes the electronic device to execute the method as claimed in any one of claims 13 to 19, or causes the electronic device to execute the method as claimed in any one of claims 20 to 26.

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