WO2025237256A1 - 通信操作执行方法、装置、终端及网络侧设备 - Google Patents

通信操作执行方法、装置、终端及网络侧设备

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Publication number
WO2025237256A1
WO2025237256A1 PCT/CN2025/094428 CN2025094428W WO2025237256A1 WO 2025237256 A1 WO2025237256 A1 WO 2025237256A1 CN 2025094428 W CN2025094428 W CN 2025094428W WO 2025237256 A1 WO2025237256 A1 WO 2025237256A1
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WO
WIPO (PCT)
Prior art keywords
handover
configuration
terminal
target configuration
target
Prior art date
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Application number
PCT/CN2025/094428
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English (en)
French (fr)
Inventor
鲍炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Publication of WO2025237256A1 publication Critical patent/WO2025237256A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface

Definitions

  • This application belongs to the field of communication technology, and specifically relates to a communication operation execution method, apparatus, terminal and network-side equipment.
  • terminals need to access a target cell when performing cell handover or connection restoration.
  • the network-side equipment needs to send the configuration of the target cell to the terminal, resulting in significant overhead for configuration signaling.
  • This application provides a communication operation execution method, apparatus, terminal, and network-side device, which can solve the problem of high overhead in configuration signaling.
  • a method for performing a communication operation executed by a terminal, the method comprising:
  • the terminal receives first indication information sent by the network-side device.
  • the first indication information is used to indicate the target configuration saved by the terminal application, or the first indication information is used to indicate the target configuration, which is a configuration for configuring the terminal to work in the target cell.
  • the terminal performs the first operation
  • the first operation includes at least one of the following:
  • a second handover is performed based on the target configuration.
  • the handover types of the first handover and the second handover are different, and both the first handover and the second handover are used to trigger access to the target cell.
  • a method for performing a communication operation executed by a network-side device, the method comprising:
  • the network-side device sends a first indication message to the terminal.
  • the first indication message is used to instruct the terminal to perform a first operation by applying a target configuration stored therein, or the first indication message is used to instruct the target configuration, which is a configuration used to configure the terminal to work in a target cell.
  • the first operation includes at least one of the following:
  • a second handover is performed.
  • the handover types of the first handover and the second handover are different. Both the first handover and the second handover are used to trigger access to the target cell.
  • a communication operation execution device comprising:
  • the receiving module is configured to receive first indication information sent by the network-side device, wherein the first indication information is used to indicate the target configuration saved by the terminal application, or the first indication information is used to indicate the target configuration, wherein the target configuration is a configuration for configuring the terminal to work in the target cell;
  • the processing module is used to perform the first operation
  • the first operation includes at least one of the following:
  • a second handover is performed based on the target configuration.
  • the handover types of the first handover and the second handover are different, and both the first handover and the second handover are used to trigger access to the target cell.
  • a communication operation execution device comprising:
  • the sending module is used to send first indication information to the terminal, the first indication information being used to instruct the terminal to perform a first operation based on a target configuration saved by the application, or the first indication information being used to instruct the target configuration, the target configuration being a configuration for configuring the terminal to work in a target cell;
  • the first operation includes at least one of the following:
  • a second handover is performed.
  • the handover types of the first handover and the second handover are different. Both the first handover and the second handover are used to trigger access to the target cell.
  • a communication operation execution apparatus is provided, the apparatus being configured to perform the steps of the method described in the first aspect, or to implement the steps of the method described in the second aspect.
  • a terminal including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the first aspect.
  • a terminal including a processor and a communication interface, wherein,
  • a communication interface is used to receive first indication information sent by a network-side device.
  • the first indication information is used to indicate the target configuration saved by the terminal application, or the first indication information is used to indicate the target configuration, which is a configuration for configuring the terminal to work in a target cell.
  • the processor is used to perform the first operation
  • the first operation includes at least one of the following:
  • a second handover is performed based on the target configuration.
  • the handover types of the first handover and the second handover are different, and both the first handover and the second handover are used to trigger access to the target cell.
  • a network-side device including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the second aspect.
  • a network-side device including a processor and a communication interface, wherein,
  • a communication interface is used to send first indication information to a terminal, the first indication information being used to instruct the terminal to perform a first operation using a target configuration stored in the application, or the first indication information being used to instruct a target configuration, the target configuration being a configuration for configuring the terminal to work in a target cell;
  • the first operation includes at least one of the following:
  • a second handover is performed.
  • the handover types of the first handover and the second handover are different. Both the first handover and the second handover are used to trigger access to the target cell.
  • a readable storage medium on which a program or instructions are stored, which, when executed by a processor, implement the steps of the method described in the first aspect, or implement the steps of the method described in the second aspect.
  • a wireless communication system comprising: a terminal and a network-side device, wherein the terminal can be used to perform the steps of the method as described in the first aspect, and the network-side device can be used to perform the steps of the method as described in the second aspect.
  • a chip including a processor and a communication interface coupled to the processor, the processor being configured to run programs or instructions to implement the method as described in the first aspect, or to implement the method as described in the second aspect.
  • a computer program/program product is provided, which is stored in a storage medium and is executed by at least one processor to implement the method as described in the first aspect, or to implement the method as described in the second aspect.
  • the terminal receives first indication information sent by a network-side device.
  • the first indication information is used to instruct the terminal to apply a saved target configuration, or the first indication information is used to instruct the terminal to operate in a target cell.
  • the target configuration is a configuration used to configure the terminal to work in a target cell.
  • the terminal performs a first operation, wherein the first operation includes at least one of the following: performing a Layer 3 handover based on the target configuration; performing connection restoration based on the target configuration; and, if the target configuration is a configuration saved during the first handover, performing a second handover based on the target configuration.
  • the first handover and the second handover have different handover types, and both the first handover and the second handover are used to trigger access to the target cell.
  • Figure 1 is a block diagram of a wireless communication system applicable to an embodiment of this application
  • FIG. 2 is a schematic diagram of an L3 switching process in related technologies
  • FIG. 3 is a schematic diagram of an LTM switching process in related technologies
  • Figure 4 is a schematic diagram of a connection restoration process in related technologies
  • FIG. 5 is a flowchart of one of the communication operation execution methods provided in an embodiment of this application.
  • Figure 6 is a second flowchart of a communication operation execution method provided in an embodiment of this application.
  • Figure 7 is a schematic diagram of one of the communication operation execution devices provided in an embodiment of this application.
  • Figure 8 is a second structural schematic diagram of a communication operation execution device provided in an embodiment of this application.
  • Figure 9 is a schematic diagram of the structure of a communication device provided in an embodiment of this application.
  • Figure 10 is a schematic diagram of the structure of a terminal provided in an embodiment of this application.
  • Figure 11 is one of the structural schematic diagrams of a network-side device provided in an embodiment of this application.
  • Figure 12 is a second schematic diagram of the structure of a network-side device provided in an embodiment of this application.
  • first and second are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by “first” and “second” are generally of the same class, not limited in number; for example, the first object can be one or more.
  • “or” in this application indicates at least one of the connected objects.
  • the scope of protection for "A or B” covers at least three scenarios: Scenario 1: including A but not B; Scenario 2: including B but not A; Scenario 3: including both A and B.
  • the terms “A and/or B,” “at least one of A and B,” and “at least one of A or B” also cover at least the above three scenarios.
  • the character “/” generally indicates that the preceding and following objects are in an "or” relationship.
  • instruction in this application can be either a direct instruction (or explicit instruction) or an indirect instruction (or implicit instruction).
  • a direct instruction can be understood as one in which the sender explicitly informs the receiver of specific information, the operation to be performed, or the requested result, etc., in the instruction sent.
  • An indirect instruction can be understood as one in which the receiver determines the corresponding information based on the instruction sent by the sender, or makes a judgment and determines the operation to be performed or the requested result, etc., based on the judgment result.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • NR New Radio
  • FIG. 1 shows a block diagram of a wireless communication system applicable to an embodiment of this application.
  • the wireless communication system includes a terminal 11 and a network-side device 12.
  • Terminal 11 can be a mobile phone, tablet computer, laptop computer, notebook computer, personal digital assistant (PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (MID), augmented reality (AR), virtual reality (VR) device, robot, wearable device, flight vehicle, vehicle user equipment (VUE), shipboard equipment, pedestrian user equipment (PUE), smart home (home devices with wireless communication capabilities, such as refrigerators, televisions, washing machines, or furniture), game console, personal computer (PC), ATM, or self-service machine, etc.
  • PDA personal digital assistant
  • UMPC ultra-mobile personal computer
  • MID mobile internet device
  • AR augmented reality
  • VR virtual reality
  • robot wearable device
  • flight vehicle vehicle user equipment
  • VUE shipboard equipment
  • pedestrian user equipment PUE
  • smart home home devices with wireless communication capabilities, such as refrigerators, televisions, washing machines
  • Wearable devices include: smartwatches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart chains, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc.
  • in-vehicle devices can also be referred to as in-vehicle terminals, in-vehicle controllers, in-vehicle modules, in-vehicle components, in-vehicle chips, or in-vehicle units, etc. It should be noted that the specific type of terminal 11 is not limited in this application embodiment.
  • Network-side equipment 12 may include access network equipment or core network equipment, wherein access network equipment may also be referred to as Radio Access Network (RAN) equipment, radio access network function, or radio access network unit.
  • Access network equipment may include base stations, Wireless Local Area Network (WLAN) access points (AS), or Wireless Fidelity (WiFi) nodes, etc.
  • WLAN Wireless Local Area Network
  • WiFi Wireless Fidelity
  • a base station may be referred to as a Node B (NB), Evolved Node B (eNB), Next Generation Node B (gNB), New Radio Node B (NR Node B), Access Point, Relay Base Station (RBS), Serving Base Station (SBS), Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B (HNB), Home Evolved Node B, Transmit/Receive Point (TRP), or any other suitable term in the relevant field, as long as the same technical effect is achieved.
  • the base station is not limited to specific technical terms. It should be noted that in this application embodiment, only a base station in an NR system is used as an example for introduction, and the specific type of base station is not limited.
  • Core network equipment also known as core network nodes, core network functions, or core network elements, includes, but is not limited to, at least one of the following: Mobility Management Entity (MME), Access and Mobility Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Server Discovery Function (EASDF), Unified Data Management (UDM), and Unified Data Warehouse (UDM).
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • PCF Policy Control Function
  • PCF Policy and Charging Rules Function
  • EASDF Edge Application Server Discovery Function
  • UDM Unified Data Management
  • UDM Unified Data Management
  • UDM Unified Data Warehouse
  • the core network equipment includes: Data Repository (UDR), Home Subscriber Server (HSS), Centralized Network Configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (or L-NEF), Binding Support Function (BSF), Application Function (AF), Location Management Function (LMF), Gateway Mobile Location Centre (GMLC), and Network Data Analytics Function (NWDAF).
  • UDR Data Repository
  • HSS Home Subscriber Server
  • CNC Centralized Network Configuration
  • NEF Network Exposure Function
  • L-NEF Local NEF
  • BSF Binding Support Function
  • AF Application Function
  • LMF Location Management Function
  • GMLC Gateway Mobile Location Centre
  • NWDAF Network Data Analytics Function
  • the core network equipment can be implemented by one or more functional modules in a single device, or by multiple devices working together; this application does not specifically limit this. It is understood that the aforementioned functional modules can be network elements in hardware devices, software functional modules running on dedicated hardware, or virtualized functional modules instantiated on a platform (e.g., a cloud platform).
  • a platform e.g., a cloud platform
  • the inter-base station handover process includes at least the following steps:
  • the source gNB initiates a handover by sending a HANDOVER REQUEST to the target gNB via the Xn interface;
  • the target gNB performs admission control and provides an RRC reconfiguration message in HANDOVER REQUEST ACKNOWLEDGE (containing the configuration information of the target cell associated with the user equipment (UE, i.e., the terminal), i.e. the target cell configuration applied by the UE when the UE accesses or switches to the candidate cell from the serving cell).
  • UE user equipment
  • the target cell configuration applied by the UE when the UE accesses or switches to the candidate cell from the serving cell.
  • the source gNB forwards the RRC reconfiguration message carried in HANDOVER REQUEST ACKNOWLEDGE to the UE: RRCReconfiguration;
  • the UE disconnects from the source gNB and sends an RRC reconfiguration complete message to the target gNB.
  • the embodiments of this application mainly involve the RRC reconfiguration message in step (3).
  • LTM L1/L2-triggered mobility
  • DU Distributed Unit
  • L2 Layer 1
  • L2 Layer 2
  • MAC Medium Access Control
  • the LTM switching process is as follows:
  • L3 measurement reporting (optional step): The UE reports the results of L3 measurement to the base station;
  • the terminal receives information on one or more candidate cells pre-configured by the network side;
  • the configuration of the candidate cells is: the target cell configuration applied by the UE when the UE accesses or switches to the candidate cells from the serving cell;
  • Each candidate cell's configuration information is associated with an identifier (e.g., ltm-CandidateId-r18); different candidate cells' configuration information (ltm-candidateConfig-r18) is associated with different identifiers.
  • the signaling format of the IE containing ltm-candidateConfig-r18 is RRCReconfiguration.
  • Pre-configuration information (such as LTM-Candidate information element) is as follows:
  • the UE performs uplink and downlink synchronization with the candidate cell
  • the terminal obtains L1 measurement results by measuring the downlink signals of the current serving cell and neighboring cells and reports them;
  • the terminal receives cell handover signaling (such as MAC control element (CE)) sent by the network side and applies the RRC configuration information of the target cell;
  • cell handover signaling such as MAC control element (CE)
  • the MAC CE carries the identification information associated with the configuration of the candidate cell as the target cell
  • the UE accesses the target cell based on the Random Access Channel (RACH) procedure;
  • RACH Random Access Channel
  • the UE sends a handover completion message to the NW to end the LTM process.
  • the LTM procedure can be used to change the primary serving cell (PCell) or the primary secondary cell (PSCell).
  • NW pre-configures one or more candidate cell configurations for UE (i.e., the target cell configuration applied by UE when UE accesses or switches to the candidate cell), as well as the corresponding execution conditions.
  • the UE When the UE determines that the execution conditions are met, the UE switches to a candidate cell that meets the execution conditions. The UE determines whether the corresponding execution conditions are met based on the signal quality of the serving cell and/or the candidate cell.
  • the CHO configuration includes:
  • Execution conditions for CHO It consists of N measurement IDs. Each measurement ID corresponds to a measurement event.
  • a candidate cell such as Cell A
  • the UE considers the relevant measurement event to be triggered.
  • the UE initiates a handover process to change the serving cell (such as PCell) to Cell A, which is referred to as CHO being triggered.
  • N takes the value 1 or 2.
  • Configuration parameters of the candidate cell The configuration parameters of Cell A that the UE needs to apply in order to change the serving cell (PCell) to Cell A.
  • the configuration parameters of Cell A are carried by the RRC reconfiguration message containing the ReconfigurationWithSync IE. This configuration is the target cell configuration applied when the UE accesses or switches to the candidate cell.
  • CHO Configuration Identifier Used to associate an execution condition with the configuration parameters of a candidate PCell, and can be used for the CHO procedure for that candidate PCell. If there are N candidate cells, N execution conditions and N candidate PCell configuration parameters can be configured for UE evaluation. Based on the evaluation results, the final target PCell is determined (e.g., the candidate PCell associated with the first execution condition met).
  • the execution condition and target configuration parameters for a PCell are associated through the CHO configuration identifier; that is, an execution condition and a candidate PCell configuration parameter associated with the same CHO configuration identifier are for a single candidate PCell.
  • condReconfigId-r16 is the CHO configuration ID
  • condExecutionCond-r16 is the CHO execution condition
  • condRRCReconfig-r16 is the candidate cell configuration
  • the signaling format is RRCReconfiguration.
  • NW is allowed to configure CHO and LTM for a UE simultaneously.
  • CPAC Conditional Primary/Secondary Cell Addition/Change
  • Dual connectivity is a technology introduced in LTE and also used in NR, which means that a UE can connect to two base stations simultaneously, with both base stations providing data transmission and reception services to the UE at the same time. Because the radio resources of two base stations can be used simultaneously, the UE's service data transmission rate is significantly increased.
  • the serving base stations of a dual-connectivity UE can belong to the same Radio Access Technology (RAT), such as two LTE eNBs; or they can belong to different RATs, such as one LTE eNB and one NR gNB.
  • RAT Radio Access Technology
  • the embodiments of this application are applicable to any combination of dual-connectivity base stations, and the type of dual-connectivity base station is not limited.
  • one serving base station is the primary base station (MN), and the other is the secondary base station (SN).
  • the network configures two special cells (SpCell) for the dual-connectivity UE: one cell from MN is configured as the UE's primary cell (PCCell), and one cell from SN is configured as the UE's primary secondary cell (PSCell). If carrier aggregation (CA) technology is also applied, the other cells from MN and SN serving the UE are designated as secondary cells (SCells) for that UE.
  • SpCell special cells
  • Multiple connections refer to more than two base stations providing services to the same UE.
  • the embodiments of this application also apply to multiple connections, and there is no limitation on the type of base station for multiple connections.
  • one of the serving base stations is the primary base station (MN), and the others are secondary base stations (SN).
  • MN primary base station
  • SN secondary base stations
  • the network will configure multiple special cells (SpCell) for multi-connection UEs, that is, configure one cell of the MN as the UE's PCell (Primary Cell) and configure one cell of each SN as the UE's PScell (Primary Secondary Cell).
  • SpCell special cells
  • a third RRC state is introduced.
  • the inactive (RRC_Inactive) state is introduced.
  • the NW releases its RRC connection with the UE it can choose to put the UE into either RRC_IDLE or RRC_Inactive.
  • This mechanism, or a similar mechanism, may also be adopted by future cellular systems (such as 6G).
  • both the NW and the UE will save some of the UE's Access Stratum (AS) UE context information so that it can be reused when the UE recovers the RRC connection from the RRC_Inactive state, that is, when it enters the RRC_Connected state; thus avoiding the retransmission of the corresponding configuration.
  • AS Access Stratum
  • the RRC_Inactive UE requests to restore the RRC connection by sending an RRCResumeRequest message.
  • the NW sends an RRCResume message carrying the configuration that the UE needs to apply.
  • the UE sends an RRCResumeComplete message to end the connection restoration process.
  • the base station that releases the UE's RRC connection and the base station that initiates the RRC connection restoration process can be different base stations. For example:
  • the UE's serving base station is BS1.
  • BS1 instructs the UE to release the RRC connection and enter the RRC_Inactive state;
  • BS1 can be referred to as the UE's anchor BS.
  • the UE initiates connection restoration in a cell under BS2.
  • BS2 needs to determine the UE's anchor BS, i.e., BS1, based on the information in the RRC ResumeRequest message; then, BS2 obtains the UE's context from BS1 for RRC connection restoration.
  • the communication operation execution method includes the following steps:
  • Step 101 The terminal receives first indication information sent by the network-side device.
  • the first indication information is used to indicate the target configuration saved by the terminal application, or the first indication information is used to indicate the target configuration, which is a configuration used to configure the terminal to work in the target cell.
  • the first indication information may include an identifier of the target configuration, which the terminal can use to determine the saved target configuration; or, the first indication information may include an identifier of the target cell, which the terminal can use to determine the saved target configuration; or, the first indication information may directly instruct the terminal to apply the saved target configuration of the current serving cell for connection recovery, which the terminal can use to determine the saved target configuration. In this case, the first indication information may not carry an identifier. It is understood that the target configuration is indicated by the received identifier of the target configuration or the identifier of the target cell, and the terminal applies the saved target configuration after receiving the identifier of the target configuration or the identifier of the target cell.
  • the first indication information may be carried in a handover command (such as an L3 handover command), or the first indication information may be carried in a CHO configuration, or the first indication information may be carried in an LTM handover configuration, or the first indication information may be carried in a response message to a connection recovery request message, or the first indication information may also be carried in a new signaling, etc.
  • a handover command such as an L3 handover command
  • the first indication information may be carried in a CHO configuration
  • the first indication information may be carried in an LTM handover configuration
  • the first indication information may be carried in a response message to a connection recovery request message
  • the first indication information may also be carried in a new signaling, etc. This embodiment does not limit this.
  • Step 102 The terminal performs the first operation
  • the first operation includes at least one of the following:
  • a second handover is performed based on the target configuration.
  • the handover types of the first handover and the second handover are different, and both the first handover and the second handover are used to trigger access to the target cell.
  • Both the first handover and the second handover can be used to trigger the terminal to access the target cell.
  • the first handover can be a Layer 3 handover, and the second handover can be a CHO or LTM handover; or, the first handover can be a CHO, and the second handover can be a Layer 3 handover or LTM handover; or, the first handover can be an LTM handover, and the second handover can be a Layer 3 handover or CHO; etc.
  • the specific implementation of the first handover and the second handover is not limited in the embodiments of this application.
  • Layer 3 handover can be triggered when the terminal receives a Layer 3 handover command from the network-side device (e.g., a handover command carried by RRC layer signaling; specifically, it can be an RRC synchronization reconfiguration message).
  • CHO can be triggered when the terminal determines that pre-configured handover conditions are met based on L3 measurement results;
  • LTM handover can be triggered when the terminal receives an L2 handover command from the network-side device (e.g., a handover command carried by MAC layer signaling).
  • any two of Layer 3 handover, CHO, and LTM handover belong to different types of handover.
  • the switching types of the first switch and the second switch are different, which may include: the switching triggering methods of the first switch and the second switch are different; or, the switching command formats of the first switch and the second switch are different.
  • handovers with different handover triggering methods (such as triggering based on the fulfillment of preset conditions or triggering based on a handover command sent by the network-side device) or different handover command formats (such as triggering based on MAC CE or triggering based on an RRC handover command) both fall under the category of different handover types discussed in the embodiments of this application.
  • the target configuration being a configuration saved during a first handover process may include: the target configuration being a configuration saved during a first handover configuration process.
  • the first handover is a CHO
  • the target configuration is a configuration saved during the CHO configuration process
  • the first handover is an LTM
  • the target configuration is a configuration saved during the LTM configuration process.
  • CHO configuration can be understood as or replaced with CHO pre-configuration.
  • LTM configuration can be understood as or replaced with LTM switching configuration, or LTM pre-configuration.
  • the first indication information is carried in a Layer 3 switching command, and the terminal performs Layer 3 switching based on the target configuration.
  • the first indication information is carried in a Layer 3 handover command.
  • the terminal performs a second handover based on the target configuration, and the second handover is a Layer 3 handover.
  • the first indication information is carried in the CHO configuration.
  • the terminal performs a second handover based on the target configuration, and the second handover is CHO.
  • the first indication information is carried in the LTM handover configuration.
  • the target configuration is the configuration saved during the first handover
  • the terminal performs a second handover based on the target configuration, and the second handover is an LTM handover.
  • the first indication information is carried in a response message to the connection restoration request message, and the terminal restores the connection based on the target configuration.
  • the method before the terminal receives the first indication information sent by the network-side device, the method further includes: the terminal receiving a second signaling sent by the network-side device, the second signaling being used to instruct the terminal to save the target configuration, or the second signaling being used to instruct the terminal not to save the target configuration.
  • the terminal can perform Layer 3 handover based on the target configuration. If the target configuration is the configuration saved during the third handover process, the terminal can perform a fourth handover based on the target configuration. Both the third and fourth handovers are Layer 3 handovers, and both are used to access the target cell. For example: At time T1: the terminal receives an L3 handover command, switches to cell 1, and saves the received cell 1 configuration as the target configuration; at time T2: the UE switches to cell 2; at time T3: the network side instructs the terminal to use the handover command received at time T1 to perform an L3 handover and switch to cell 1. At this time, the terminal applies the target configuration saved at time T1.
  • the terminal before the terminal receives the first indication information sent by the network-side device, the terminal receives configuration signaling.
  • This configuration signaling includes a target configuration.
  • the terminal saves the target configuration and its identification information (such as a number) for subsequent handover.
  • This configuration signaling can be a traditional L3 handover command; it can also be LTM, CHO, or CPAC configuration signaling.
  • This target configuration can be the configuration applied when the terminal accesses a target node (such as a target cell).
  • the network-side device only needs to indicate the identification information of the target configuration, without needing to repeatedly transmit the target configuration.
  • This target configuration can be used for LTM pre-configured candidate target cells, or for conditional handover pre-configured candidate target cells.
  • the target configuration can be specified in the protocol, specifying which parameters are available or not available for subsequent switching.
  • the protocol can specify a handling mechanism for the terminal when the parameter is missing, or define a new method to ensure that the terminal obtains the parameter.
  • a terminal when a terminal initiates connection recovery from the RRC_Inactive state, it applies the saved target configuration.
  • the method for obtaining the target configuration includes, but is not limited to, L3 handover commands, and also includes candidate target cell configurations pre-configured by the network-side device based on LTM or conditional handover (CHO or CPAC) mechanisms.
  • the network-side device can instruct the terminal to apply the saved configuration.
  • the network-side device can instruct the terminal to apply the target configuration corresponding to the cell in which the terminal initiated connection recovery.
  • the network-side device can instruct the terminal to apply the identification information of the target configuration to indicate the target configuration; or, the network-side device can also instruct the terminal to apply the target configuration associated with the identifier of the current serving cell (i.e., the cell in which the terminal initiated connection recovery) for connection recovery.
  • the network-side device can also instruct an updated configuration based on the target configuration, so that the terminal can perform connection recovery based on the saved target configuration and the indicated updated configuration.
  • the target configuration may be a configuration for the terminal to access a target cell.
  • the first operation may include: performing a Layer 3 handover based on the target configuration; or, if the target configuration is a configuration saved during a first handover, performing a second handover based on the target configuration.
  • the embodiments of this application can reduce the target PSCell configuration information used for CPAC.
  • traditional L3 handover commands, LTM configurations, and CHO or CPAC configurations all include target cell configuration information. For the same target cell, all or most of the configuration information is identical.
  • the target cell configuration information in traditional L3 handover commands, LTM configurations, and CHO or CPAC configurations is configured independently and cannot be referenced or reused. For example, if the network-side device configures the LTM and CHO configurations associated with a candidate target cell CellA for the terminal, and the configurations of the candidate target cell CellA in the LTM and CHO configurations are the same or mostly the same, but it still needs to be configured (i.e., transmitted over the air interface) twice, this results in an unnecessary increase in configuration signaling overhead.
  • the terminal saves the received target configuration and applies it to subsequent L3 handover, LTM handover configurations, and CHO or CPAC configurations. This reduces the repeated transmission of target configuration over the air interface and reduces the overhead of air interface signaling.
  • CHO, LTM, and traditional L3 handover are independent of each other, for example:
  • Case 1 After the network-side device has configured the CHO configuration related to Cell A (as a candidate cell), the terminal has saved the target cell configuration for switching to or accessing Cell A (e.g., condRRCReconfig-r16 based on network configuration, the format of which is defined by the RRCReconfiguration (hereinafter referred to as RRCReconfiguration-CHO) message). If the network-side device initiates a traditional L3 handover (e.g., for load balancing purposes) to switch the terminal to Cell A, the network still needs to send an RRCReconfiguration (hereinafter referred to as RRCReconfiguration-legacy) message to the terminal to instruct the terminal to switch to or access the target cell configuration of Cell A. This applies even if all or most of the parameters in the RRCReconfiguration-CHO message saved locally by the terminal and the received RRCReconfiguration-legacy message are the same.
  • RRCReconfiguration-CHO the target cell configuration for switching to or accessing Cell A
  • the terminal can apply the locally saved RRCReconfiguration-CHO to L3 handover, so that the network-side device no longer needs to send the complete (or including the saved parameter configuration) RRCReconfiguration-legacy message to the terminal, which can save the overhead of configuration signaling.
  • the terminal After the network-side equipment has configured the LTM configuration related to Cell A (as a candidate cell), the terminal has saved the target cell configuration for switching to or accessing Cell A (such as ltm-CandidateConfig-r18 based on network configuration, the format of which is defined by the RRCReconfiguration (hereinafter referred to as RRCReconfiguration-LTM) message). If the network-side equipment initiates a traditional L3 handover (e.g., for load balancing purposes) to switch the terminal to Cell A, the network still needs to send RRCReconfiguration-legacy to the terminal to instruct the terminal to switch to or access the target cell configuration of Cell A. This is even if all or most of the parameters of the RRCReconfiguration-LTM stored locally by the terminal and the received RRCReconfiguration-legacy are the same.
  • the terminal can apply the locally saved RRCReconfiguration-LTM to L3 handover, so that the network-side device no longer needs to send the complete (or including the saved parameter configuration) RRCReconfiguration-legacy message to the terminal, which can save the overhead of configuration signaling.
  • the terminal After the network-side equipment has configured the CHO configuration related to Cell A (as a candidate cell), the terminal has saved the target cell configuration for handing over or accessing Cell A (such as condRRCReconfig-r16 based on network configuration, the format of which is defined by the RRCReconfiguration-CHO message). If the network-side equipment then configures the LTM configuration related to Cell A (as a candidate cell), the network-side equipment needs to configure RRCReconfiguration-LTM for the UE, even if all or most of the parameters of the RRCReconfiguration-CHO saved locally by the terminal and the received RRCReconfiguration-LTM are the same.
  • the terminal can apply the locally saved RRCReconfiguration-CHO to LTM handover, so that the network-side device no longer needs to send the complete (or including the saved parameter configuration) RRCReconfiguration-LTM message to the terminal, which can save the overhead of configuration signaling.
  • the terminal After the network-side device has configured the LTM configuration related to Cell A (as a candidate cell), the terminal has saved the target cell configuration for handing over or accessing Cell A (such as ltm-CandidateConfig-r18 based on network configuration, the format of which is defined by the RRCReconfiguration-LTM message). If the network-side device continues to configure the CHO configuration related to Cell A (as a candidate cell) at this time, the network-side device needs to configure RRCReconfiguration-CHO again. This is even if all or most of the parameters of the RRCReconfiguration-LTM saved locally by the terminal and the received RRCReconfiguration-CHO have the same values.
  • the terminal can apply the locally saved RRCReconfiguration-LTM to the CHO, so that the network-side device no longer needs to send the complete (or including the saved parameter configuration) RRCReconfiguration-CHO message to the terminal, which can save the overhead of configuration signaling.
  • a set of target configurations for candidate cells can be reused by multiple handover mechanisms.
  • the network-side equipment configures the target configurations and identifiers of candidate cells.
  • subsequent traditional handovers i.e., L3 handovers
  • CHO or LTM pre-configurations the target configurations of the candidate cells can be referenced through the identifiers to avoid signaling overhead caused by repeated configurations.
  • the network-side device can instruct the terminal to save the handover signaling (e.g., configure its associated identifier); in subsequent L3 handovers, or CHO or LTM pre-configuration, the network-side device can apply the target configuration of the candidate cell through the identifier, avoiding the signaling overhead caused by repeated configuration.
  • the handover signaling e.g., configure its associated identifier
  • the network-side device can apply the target configuration of the candidate cell through the identifier, avoiding the signaling overhead caused by repeated configuration.
  • the terminal can restore the connection based on the target configuration.
  • a terminal when a terminal enters the RRC_Inactive state, it does not save the configuration of the handover candidate cells pre-configured by the network-side device.
  • the terminal and the network-side device can retain the relevant configuration. Therefore, during the connection restoration process, the network-side device can instruct the terminal to apply the saved configuration without having to send the corresponding configuration again over the air interface, thereby saving the overhead of configuration signaling.
  • the network-side device may instruct the terminal to use the saved configuration related to the cell (i.e., the cell in which the terminal initiated the connection restoration); or indicate the identifier of the target configuration to be used.
  • the embodiments of this application can be used in air interface cellular communication systems based on beamforming technology.
  • the terminal receives first indication information sent by a network-side device.
  • the first indication information is used to instruct the terminal to apply a saved target configuration, or the first indication information is used to instruct the terminal to operate in a target cell.
  • the target configuration is a configuration used to configure the terminal to work in a target cell.
  • the terminal performs a first operation, wherein the first operation includes at least one of the following: performing a Layer 3 handover based on the target configuration; performing connection restoration based on the target configuration; and, if the target configuration is a configuration saved during the first handover, performing a second handover based on the target configuration.
  • the first handover and the second handover have different handover types, and both the first handover and the second handover are used to trigger access to the target cell.
  • the first handover is a Layer 3 handover
  • the second handover is a conditional handover (CHO) or a mobility LTM handover triggered by Layer 1 or Layer 2.
  • the first switch is a CHO
  • the second switch is a Layer 3 switch or an LTM switch
  • the first switch is an LTM switch
  • the second switch is a Layer 3 switch or a CHO switch.
  • the first handover is a Layer 3 handover
  • the second handover is a Conditional Handover (CHO) or a Mobility Management Time (LTM) handover triggered by Layer 1 or Layer 2, thereby saving the overhead of configuration signaling for CHO or LTM handover.
  • the first indication information is carried in the CHO configuration, and the terminal performs a CHO based on the target configuration; or, the first indication information is carried in the LTM handover configuration, and the terminal performs an LTM handover based on the target configuration.
  • the first handover is a CHO (Committed Open Handover) and the second handover is a Layer 3 handover or an LTM (Level 1 Transitional Handover), thereby saving the overhead of configuration signaling for Layer 3 handover or LTM handover.
  • the first indication information is carried in the handover command, and the terminal performs a Layer 3 handover based on the target configuration; or, the first indication information is carried in the LTM handover configuration, and the terminal performs an LTM handover based on the target configuration.
  • the first handover is an LTM handover
  • the second handover is a Layer 3 handover or a CHO, thereby saving the overhead of configuration signaling for Layer 3 handover or CHO.
  • the first indication information is carried in the handover command, and the terminal performs a Layer 3 handover based on the target configuration; or, the first indication information is carried in the CHO handover configuration, and the terminal performs a CHO based on the target configuration.
  • the first indication information includes at least one of the following:
  • the identifier of the target cell is the identifier of the target cell.
  • the identifier of the target configuration may include the index or number of the target configuration, etc. Any information that can be used to identify the target configuration can be used as the identifier of the target configuration. This embodiment does not limit the identifier of the target configuration.
  • the network-side device can instruct the terminal application to perform a first operation by using the identifier of the target configuration, or the network-side device can instruct the target configuration by using the identifier of the target configuration, so that the terminal can perform the first operation based on the target configuration.
  • the network-side device can instruct the terminal application to perform a first operation by using the identifier of the target cell to store a target configuration associated with the identifier of the target cell; or, the network-side device can implicitly instruct the target configuration by using the identifier of the target cell, so that the terminal can perform the first operation based on the target configuration.
  • the network-side device can instruct the terminal to apply the saved target configurations through the identifier of the target cell, so that the terminal can perform a first operation based on the target configurations.
  • a set of configurations i.e., target configurations
  • the target configuration is obtained through at least one of the following:
  • the switching command can be a layer 3 switching command (or a switching command described as layer 3 switching).
  • the terminal may receive a Layer 3 handover command sent by the network-side device.
  • the handover command carries a target configuration, and the terminal may save the target configuration for the next Layer 3 handover, or for CHO, or LTM handover.
  • the pre-configured candidate cell configuration includes a target configuration.
  • the terminal Before receiving the first indication information sent by the network-side device, the terminal may receive the candidate cell configuration pre-configured by the network-side device.
  • the pre-configured candidate cell configuration may be used for CHO (Confirmation of Hazard), and the terminal may save the target configuration for the next CHO, or for Layer 3 handover, or for LTM handover; or, the pre-configured candidate cell configuration may be used for LTM handover, and the terminal may save the target configuration for the next LTM handover, or for Layer 3 handover, or for CHO.
  • the method before the terminal receives the first indication information sent by the network-side device, the method further includes:
  • the terminal receives a second indication message sent by the network-side device.
  • the second indication message is used to instruct the terminal to save the target configuration.
  • the saved target configuration is used for connection recovery or subsequent handover.
  • the terminal can save the target configuration.
  • the second indication information may include a first identifier associated with the target configuration, or it may be a newly added specific signaling message that the network-side device can use to instruct the terminal to save the target configuration.
  • the saved target configuration used for connection recovery or subsequent handover can also be described as being used for the first operation. Subsequent handover can also be described as a subsequent handover.
  • a subsequent switch may include a layer 3 switch in the first operation or a second switch.
  • the second indication information may be carried in a handover command, or the second indication information may be carried in signaling used to configure candidate cell configuration.
  • the terminal receives a second indication information sent by the network-side device.
  • the second indication information is used to instruct the terminal to save the target configuration.
  • the saved target configuration is used for connection recovery or subsequent handover.
  • the terminal can save the target configuration and apply the saved target configuration to perform cell handover or connection recovery without having to repeatedly transmit the configuration used to access the target cell, thereby reducing the overhead of configuration signaling.
  • the second indication information includes a first identifier associated with the target configuration.
  • the terminal when the value of the first identifier is a preset value, the terminal is instructed to save the target configuration; when the value of the first identifier is not the preset value, the terminal is instructed not to save the target configuration.
  • the terminal receives a second signaling sent by the network-side device.
  • the terminal When the second signaling carries the first identifier, the terminal is instructed to save the target configuration; when the second signaling does not carry the first identifier, the terminal is instructed not to save the target configuration.
  • the first indication information is carried in the first signaling, and the first signaling also carries the parameter value of at least one first configuration parameter;
  • the terminal updates the parameter value of the first configuration parameter in the target configuration to the parameter value of the first configuration parameter carried in the first signaling;
  • the terminal adds the parameter value of the first configuration parameter to the target configuration.
  • the first signaling can be a handover command, or the first signaling can be a CHO configuration signaling, or the first signaling can be an LTM handover configuration signaling, or the first signaling can be a response message to a connection recovery request message.
  • the parameter value of the first configuration parameter carried in the first signaling can be used to replace the parameter value of the corresponding first configuration parameter in the target configuration.
  • the target configuration includes the values of three parameters (such as parameter O, parameter P, and parameter Q), and the first signaling carries the value of one of these three parameters (such as parameter P), then the terminal uses the values of parameter O and parameter Q included in the target configuration, as well as the value of parameter P carried in the first signaling, to switch to or access the target cell.
  • the parameter values of the first configuration parameters carried in the first signaling can be used to supplement the target configuration.
  • the target configuration includes the values of three parameters (such as parameter O, parameter P, and parameter Q)
  • the first signaling carries the value of one parameter (such as parameter T)
  • the terminal uses the values of parameter O, parameter P, and parameter Q included in the target configuration, as well as the value of parameter T carried in the first signaling, to switch to or access the target cell.
  • the terminal when the network-side device applies the target configuration of the candidate cell stored therein, the terminal can apply the values of the reusable fields therein.
  • the terminal can agree on which fields can be reused or not through the protocol, and specify default values to replace the non-reusable fields; or the network-side device carries the new values of the fields that need to be changed to replace the stored values.
  • the method before the terminal receives the first indication information sent by the network-side device, the method further includes:
  • the terminal sends a connection restoration request message to the network-side device
  • the terminal receives first indication information sent by the network-side device, including:
  • the terminal receives a response message to the connection restoration request message sent by the network-side device, wherein the first indication information is carried in the response message.
  • the response message to the connection restoration request message may be a connection restoration message.
  • the terminal sends a connection restoration request message to the network-side device; the terminal receives a response message from the network-side device in response to the connection restoration request message, wherein the first indication information is carried in the response message, so that the network-side device can instruct the terminal to apply the saved target configuration to restore the connection through the response message, without having to repeatedly transmit the configuration used to access the target cell, thereby reducing the overhead of configuration signaling during the connection restoration process.
  • NW is the target configuration of the candidate cell pre-configured by the terminal for handover.
  • Step (1) The UE receives the target configuration of CellA sent by the NW side.
  • CellA is the target PSCell for primary serving cell PCell (including but not limited to the primary serving cell of RRC connected UEs triggered by traditional L3 handover or LTM) or primary/secondary serving cell PSCell change (including but not limited to PSCell change of RRC connected UEs triggered by traditional L3 PSCell change process or LTM).
  • primary serving cell PCell including but not limited to the primary serving cell of RRC connected UEs triggered by traditional L3 handover or LTM
  • primary/secondary serving cell PSCell change including but not limited to PSCell change of RRC connected UEs triggered by traditional L3 PSCell change process or LTM.
  • the target configuration is used during the PCell or PSCell change process and includes at least the configuration for accessing CellA, or the configuration applied to CellA after the change process is completed.
  • the target configuration of Cell A is associated with an identifier; the identifier corresponds one-to-one with the target configuration of Cell A. If the NW sends the target configurations of Cell A, Cell B, and Cell C to the UE, then the identifier values corresponding to the target configurations of Cell A, Cell B, and Cell C are different; or if the NW sends N sets of target configurations of Cell A to the UE, then the N sets of target configurations of Cell A correspond to N different identifier values.
  • the network controller sends the target configurations for Cell A, Cell B, and Cell C to the UE.
  • Cell A has two target configurations, while Cell B and Cell C each have one target configuration. Therefore, the identifiers for target configuration 1 (Cell A), target configuration 2 (Cell A), target configuration 3 (Cell B), and target configuration 4 (Cell C) are 1, 2, 3, and 4, respectively.
  • the target configuration of Cell A can be sent to the UE via a Layer 3 handover command or a PSCell change command. After the UE receives the target configuration of Cell A, it uses the received target configuration of Cell A to access Cell A and saves the target configuration of Cell A for subsequent PCell and PSCell change processes, including but not limited to traditional Layer 3 handover, LTM or CHO or CPAC configuration.
  • Step (2) The UE saves the received target configuration of Cell A based on the NW's instruction.
  • the instruction can be carried in the Layer 3 handover command or the PSCell change command; the instruction can be an identifier value associated with the target configuration of Cell A. For example, when the handover command carries the identifier value, the UE saves the target configuration of Cell A; otherwise, the UE does not save the target configuration of Cell A.
  • Step (3) The UE receives a Layer 3 handover command or PSCell change command sent by the NW, wherein the Layer 3 handover command or PSCell change command contains the identifier of the target configuration (i.e., the first indication information).
  • the UE applies the parameter values in the target configuration 1 of Cell A to switch to or access Cell A;
  • the UE applies the parameter values in the target configuration 2 of Cell A to switch to or access Cell A;
  • the UE applies the parameter values in the target configuration of Cell B to switch to or access Cell B.
  • the Layer 3 switching command or PSCell change command may optionally include a delta configuration that includes the target configuration indicated or associated with the target configuration identifier.
  • the delta configuration can be used to replace the values of corresponding parameters in the target configuration. For example, if the target configuration contains the values of 5 parameters (such as parameter O, parameter P, parameter Q, parameter R, and parameter S), and the Layer 3 handover command or PSCell change command carries the values of two of the 5 parameters (such as parameter P and parameter Q), then the UE applies the values of parameter O, parameter R, and parameter S contained in the target configuration, as well as the values of parameter P and parameter Q carried in the Layer 3 handover command or PSCell change command, to hand over or access the target cell.
  • 5 parameters such as parameter O, parameter P, parameter Q, parameter R, and parameter S
  • the Layer 3 handover command or PSCell change command carries the values of two of the 5 parameters (such as parameter P and parameter Q)
  • the UE applies the values of parameter O, parameter R, and parameter S contained in the target configuration, as well as the values of parameter P and parameter Q carried in the Layer 3 handover command or PSCell change command, to hand over or access the target cell
  • the Layer 3 switching command or PSCell change command may optionally include a configuration not indicated by the target configuration identifier or associated with the target configuration.
  • the UE applies the values of parameter O, parameter P, parameter Q, parameter R, and parameter S contained in the target configuration, as well as the value of parameter T carried in the Layer 3 handover command or PSCell change command, to hand over or access the target cell.
  • NW is the target configuration of the candidate cell pre-configured for the terminal for CHO or CPAC configuration.
  • Step (1) is the same as in Example 1.
  • Step (2) Based on the NW's instruction, the UE saves the target configuration 1 of Cell A, the target configuration 2 of Cell A, the target configuration of Cell B and the target configuration of Cell C; their corresponding identifiers are 1, 2, 3 and 4 respectively.
  • Step (3) The UE receives the CHO configuration sent by the NW.
  • the target configuration of the candidate cell is directly replaced by the identifier value of the target configuration (i.e., the first indication information).
  • condRRCReconfig-r16 has been replaced with condRRCReconfigIndex, which can reduce configuration signaling overhead.
  • the pre-configured target configuration of Cell A can be replaced by the identifier value associated with the stored target configuration of Cell A, which can reduce configuration signaling overhead.
  • NW is the target configuration of the candidate cell pre-configured for the terminal for RRC connection recovery process 1.
  • Step (1) is the same as in Example 1.
  • Step (2) Based on the NW's instruction, the UE saves the target configuration 1 of Cell A, the target configuration 2 of Cell A, the target configuration of Cell B and the target configuration of Cell C; their corresponding identifiers are 1, 2, 3 and 4 respectively.
  • Step (3) The UE receives the indication signaling from the NW, which is used to indicate the release of the RRC connection and enter the RRC_Inactive state; the UE releases the RRC connection and enters the RRC_Inactive state according to the indication.
  • Step (4) As shown in Figure 4, the UE selects Cell A to restore the connection and initiates a connection restoration request.
  • Step (5) The UE receives a feedback message sent by the NW, in which the identifier value of the target configuration (i.e., the first indication information) is 2; the UE performs the first operation including: the UE applies the configuration corresponding to the identifier value of 2 (i.e., the target configuration 2 of Cell A); optionally, in the NW feedback message, some parameter values of the target configuration of Cell A can be carried to replace the values in the target configuration 2 of Cell A for the UE to apply.
  • the identifier value of the target configuration i.e., the first indication information
  • the UE performs the first operation including: the UE applies the configuration corresponding to the identifier value of 2 (i.e., the target configuration 2 of Cell A); optionally, in the NW feedback message, some parameter values of the target configuration of Cell A can be carried to replace the values in the target configuration 2 of Cell A for the UE to apply.
  • Step (6) The UE sends a connection restoration complete message to end the RRC connection restoration process.
  • NW is the target configuration of the candidate cell pre-configured for the terminal for RRC connection recovery process 2.
  • Step (1) is the same as in Example 1.
  • Step (2) Based on the NW's instruction, the UE saves the target configuration of Cell A, the target configuration of Cell B, and the target configuration of Cell C; their corresponding identifiers are 1, 3, and 4, respectively. That is to say, each cell can only be configured with one set of target configurations.
  • Step (3) The UE receives the indication signaling from the NW, which is used to indicate the release of the RRC connection and enter the RRC_Inactive state; the UE releases the RRC connection and enters the RRC_Inactive state according to the indication.
  • Step (4) As shown in Figure 4, the UE selects Cell A to restore the connection and initiates a connection restoration request.
  • the first indication information is used to instruct the UE to apply the target configuration of the current serving cell (i.e., Cell A) that is saved.
  • the feedback message sent by the NW may carry some parameter values of the target configuration of Cell A to replace the values in the target configuration of Cell A for the UE to apply.
  • Step (6) The UE sends a connection restoration complete message to end the RRC connection restoration process.
  • the UE saves the received target cell configuration and applies it to subsequent traditional handovers (such as handover triggered by RRC signaling sent by the NW), LTM handover configurations, and CHO or CPAC configurations.
  • This reduces the repeated transmission of the target cell configuration over the air interface and reduces the overhead of air interface signaling.
  • the UE is usually located at the cell edge with poor signal quality when the NW triggers a handover, smaller handover commands are more likely to be successfully received by the UE.
  • the reduced handover signaling size can also increase the likelihood of the handover signaling being successfully received by the UE, thereby increasing the probability of a successful handover.
  • the communication operation execution method includes the following steps:
  • Step 201 The network-side device sends a first indication message to the terminal.
  • the first indication message is used to instruct the terminal to perform a first operation by applying the target configuration stored therein, or the first indication message is used to instruct the target configuration, which is a configuration used to configure the terminal to work in the target cell.
  • the first operation includes at least one of the following:
  • a second handover is performed.
  • the handover types of the first handover and the second handover are different. Both the first handover and the second handover are used to trigger access to the target cell.
  • the target configuration can be used to perform the first operation.
  • the first handover is a Layer 3 handover
  • the second handover is a CHO, or a Layer 1 or Layer 2 triggered mobility LTM handover
  • the first switch is a CHO
  • the second switch is a Layer 3 switch or an LTM switch
  • the first switch is an LTM switch
  • the second switch is a Layer 3 switch or a CHO switch.
  • the first indication information includes at least one of the following:
  • the identifier of the target cell is the identifier of the target cell.
  • the target configuration is obtained through at least one of the following:
  • the method before the network-side device sends the first indication information to the terminal, the method further includes:
  • the network-side device sends a second instruction to the terminal, the second instruction being used to instruct the terminal to save the target configuration, the saved target configuration being used for connection recovery or subsequent handover.
  • the second indication information includes a first identifier associated with the target configuration.
  • the method before the network-side device sends the first indication information to the terminal, the method further includes:
  • the network-side device receives the connection restoration request message sent by the terminal;
  • the network-side device sends a first indication message to the terminal, including:
  • the network-side device sends a response message to the terminal in response to the connection restoration request message, wherein the first indication information is carried in the response message.
  • this embodiment is an implementation of the network-side device corresponding to the embodiment shown in Figure 5.
  • the network-side device corresponding to the embodiment shown in Figure 5.
  • the communication operation execution method provided in this application can be executed by a communication operation execution device.
  • This application uses the example of a communication operation execution device executing the communication operation execution method to illustrate the communication operation execution device provided in this application.
  • the communication operation execution device may be a communication device or a component within a communication device, such as a chip.
  • the communication device may be a terminal, a network-side device, or a server, etc.
  • the terminal may include, but is not limited to, the type of terminal 11 listed above
  • the network-side device may include, but is not limited to, the type of network-side device 12 listed above. This application does not impose specific limitations.
  • the communication operation execution device includes a receiving module, a transmitting module, and a processing module. These modules can be implemented in software or hardware.
  • the processing module can be implemented by a processor.
  • the processor can include general-purpose processors, special-purpose processors, such as a Central Processing Unit (CPU), microprocessor, Digital Signal Processor (DSP), Artificial Intelligence (AI) processor, Graphics Processing Unit (GPU), Application Specific Integrated Circuit (ASIC), Network Processor (NP), Field Programmable Gate Array (FPGA), or other programmable logic devices, gate circuits, transistors, discrete hardware components, etc.
  • the receiving and transmitting modules can be implemented by a communication interface, which can include one or more of the following: transceiver, pins, circuits, bus, radio frequency unit, etc.
  • the communication operation execution device 300 when the communication operation execution device is a terminal or a component within a terminal, the communication operation execution device 300 includes:
  • the receiving module 301 is used to receive first indication information sent by the network side device.
  • the first indication information is used to indicate the target configuration saved by the terminal application, or the first indication information is used to indicate the target configuration, which is a configuration for configuring the terminal to work in the target cell.
  • Processing module 302 is used to perform the first operation
  • the first operation includes at least one of the following:
  • a second handover is performed based on the target configuration.
  • the handover types of the first handover and the second handover are different, and both the first handover and the second handover are used to trigger access to the target cell.
  • the first handover is a Layer 3 handover
  • the second handover is a conditional handover (CHO) or a mobility LTM handover triggered by Layer 1 or Layer 2.
  • the first switch is a CHO
  • the second switch is a Layer 3 switch or an LTM switch
  • the first switch is an LTM switch
  • the second switch is a Layer 3 switch or a CHO switch.
  • the first indication information includes at least one of the following:
  • the identifier of the target cell is the identifier of the target cell.
  • the target configuration is obtained through at least one of the following:
  • the handover command pre-configured candidate cell configuration.
  • the receiving module is further configured to: receive second indication information sent by the network-side device during the first handover process, the second indication information being used to instruct the terminal to save the target configuration, the saved target configuration being used for connection recovery or subsequent handover.
  • the second indication information includes a first identifier associated with the target configuration.
  • the first indication information is carried in the first signaling, and the first signaling also carries the parameter value of at least one first configuration parameter;
  • the terminal updates the parameter value of the first configuration parameter in the target configuration to the parameter value of the first configuration parameter carried in the first signaling;
  • the terminal adds the parameter value of the first configuration parameter to the target configuration.
  • the device further includes:
  • the sending module is used to send a connection restoration request message to the network-side device
  • the receiving module is specifically used to: receive a response message sent by the network-side device to the connection restoration request message, wherein the first indication information is carried in the response message.
  • the embodiments of this application can reduce the overhead of configuration signaling.
  • the communication operation execution device 400 when the communication operation execution device is a network-side device or a component within a network-side device, the communication operation execution device 400 includes:
  • the sending module 401 is used to send first indication information to the terminal.
  • the first indication information is used to instruct the terminal to perform a first operation based on the target configuration saved by the application, or the first indication information is used to instruct the target configuration, which is a configuration for configuring the terminal to work in a target cell.
  • the first operation includes at least one of the following:
  • a second handover is performed.
  • the handover types of the first handover and the second handover are different. Both the first handover and the second handover are used to trigger access to the target cell.
  • the first handover is a Layer 3 handover
  • the second handover is a CHO, or a Layer 1 or Layer 2 triggered mobility LTM handover
  • the first switch is a CHO
  • the second switch is a Layer 3 switch or an LTM switch
  • the first switch is an LTM switch
  • the second switch is a Layer 3 switch or a CHO switch.
  • the first indication information includes at least one of the following:
  • the identifier of the target cell is the identifier of the target cell.
  • the target configuration is obtained through at least one of the following:
  • the handover command pre-configured candidate cell configuration.
  • the sending module is further configured to:
  • a second instruction message is sent to the terminal.
  • the second instruction message is used to instruct the terminal to save the target configuration.
  • the saved target configuration is used for connection recovery or subsequent handover.
  • the second indication information includes a first identifier associated with the target configuration.
  • the device further includes:
  • the receiving module is used to receive the connection restoration request message sent by the terminal;
  • the sending module is specifically used for:
  • a response message to the connection restoration request message is sent to the terminal, wherein the first indication information is carried in the response message.
  • the embodiments of this application can reduce the overhead of configuration signaling.
  • the communication operation execution device provided in this application embodiment can implement the various processes implemented in the method embodiments of Figures 5 to 6 and achieve the same technical effect. To avoid repetition, it will not be described again here.
  • this application embodiment also provides a communication device 500, including a processor 501 and a memory 502.
  • the memory 502 stores programs or instructions that can run on the processor 501.
  • the communication device 500 is a terminal
  • the program or instructions executed by the processor 501 implement the various steps of the above-described communication operation execution method embodiment and achieve the same technical effect.
  • the communication device 500 is a network-side device
  • the program or instructions executed by the processor 501 implement the various steps of the above-described communication operation execution method embodiment and achieve the same technical effect. To avoid repetition, further details are omitted here.
  • This application also provides a terminal, including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the steps in the method embodiment shown in FIG5.
  • This terminal embodiment corresponds to the above-described terminal-side method embodiment, and all implementation processes and methods of the above-described method embodiments can be applied to this terminal embodiment and can achieve the same technical effect.
  • the terminal can be the communication operation execution device shown in FIG7.
  • FIG10 is a schematic diagram of the hardware structure of a terminal implementing an embodiment of this application.
  • the terminal 600 includes, but is not limited to, at least some of the following components: radio frequency unit 601, network module 602, audio output unit 603, input unit 604, sensor 605, display unit 606, user input unit 607, interface unit 608, memory 609, and processor 610.
  • terminal 600 may also include a power supply (such as a battery) for powering various components.
  • the power supply can be logically connected to processor 610 through a power management system, thereby enabling functions such as charging, discharging, and power consumption management through the power management system.
  • the terminal structure shown in Figure 10 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements, which will not be elaborated here.
  • the input unit 604 may include a graphics processor 6041 and a microphone 6042.
  • the graphics processor 6041 processes image data of still images or videos obtained by an image capture device (such as a camera) in video capture mode or image capture mode.
  • the display unit 606 may include a display panel 6061, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like.
  • the user input unit 607 includes at least one of a touch panel 6071 and other input devices 6072.
  • the touch panel 6071 is also called a touch screen.
  • the touch panel 6071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, power buttons, etc.), a trackball, a mouse, and a joystick, which will not be described in detail here.
  • the radio frequency unit 601 can transmit it to the processor 610 for processing; in addition, the radio frequency unit 601 can send uplink data to the network-side device.
  • the radio frequency unit 601 includes, but is not limited to, antennas, amplifiers, transceivers, couplers, low-noise amplifiers, duplexers, etc.
  • the memory 609 can be used to store software programs or instructions, as well as various data.
  • the memory 609 may primarily include a first storage area for storing programs or instructions and a second storage area for storing data.
  • the first storage area may store the operating system, application programs or instructions required for at least one function (such as sound playback, image playback, etc.).
  • the memory 609 may include volatile memory or non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory.
  • Volatile memory can be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DRRAM).
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • DRRAM direct memory bus RAM
  • the memory 609 in this embodiment includes, but is not limited to, these and any other suitable types of memory.
  • Processor 610 may include one or more processing units; optionally, processor 610 integrates an application processor and a modem processor, wherein the application processor mainly handles operations involving the operating system, user interface, and applications, and the modem processor mainly handles wireless communication signals, such as a baseband processor. It is understood that the aforementioned modem processor may also not be integrated into processor 610.
  • the radio frequency unit 601 is used to: receive first indication information sent by the network side device, the first indication information being used to indicate the target configuration saved by the terminal application, or the first indication information being used to indicate the target configuration, the target configuration being a configuration for configuring the terminal to work in the target cell;
  • Processor 610 is used to: perform a first operation
  • the first operation includes at least one of the following:
  • a second handover is performed based on the target configuration.
  • the handover types of the first handover and the second handover are different, and both the first handover and the second handover are used to trigger access to the target cell.
  • the first handover is a Layer 3 handover
  • the second handover is a conditional handover (CHO) or a mobility LTM handover triggered by Layer 1 or Layer 2.
  • the first switch is a CHO
  • the second switch is a Layer 3 switch or an LTM switch
  • the first switch is an LTM switch
  • the second switch is a Layer 3 switch or a CHO switch.
  • the first indication information includes at least one of the following:
  • the identifier of the target cell is the identifier of the target cell.
  • the target configuration is obtained through at least one of the following:
  • the handover command pre-configured candidate cell configuration.
  • the radio frequency unit 601 is further configured to: receive second indication information sent by the network-side device during the first handover process, the second indication information being used to instruct the terminal to save the target configuration, the saved target configuration being used for connection recovery or subsequent handover.
  • the second indication information includes a first identifier associated with the target configuration.
  • the first indication information is carried in the first signaling, and the first signaling also carries the parameter value of at least one first configuration parameter;
  • the terminal updates the parameter value of the first configuration parameter in the target configuration to the parameter value of the first configuration parameter carried in the first signaling;
  • the terminal adds the parameter value of the first configuration parameter to the target configuration.
  • the radio frequency unit 601 is also used for:
  • the system receives a response message to the connection restoration request message sent by the network-side device, wherein the first indication information is carried in the response message.
  • This application also provides a network-side device, including a processor and a communication interface.
  • the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the steps of the method embodiment shown in FIG6.
  • This network-side device embodiment corresponds to the above-described network-side device method embodiment. All implementation processes and methods of the above-described method embodiments can be applied to this network-side device embodiment and can achieve the same technical effect.
  • the network-side device 700 includes: an antenna 701, a radio frequency device 702, a baseband device 703, a processor 704, and a memory 705.
  • the antenna 701 is connected to the radio frequency device 702.
  • the radio frequency device 702 receives information through the antenna 701 and sends the received information to the baseband device 703 for processing.
  • the baseband device 703 processes the information to be transmitted and sends it to the radio frequency device 702.
  • the radio frequency device 702 processes the received information and transmits it through the antenna 701.
  • the method executed by the network-side device in the above embodiments can be implemented in the baseband device 703, which includes a baseband processor.
  • the baseband device 703 may include at least one baseband board, on which multiple chips are disposed, as shown in FIG11.
  • One of the chips is, for example, a baseband processor, which is connected to the memory 705 via a bus interface to call the program in the memory 705 and execute the network device operation shown in the above method embodiment.
  • the network-side device may also include a network interface 706, such as a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • the network-side device 700 in this application embodiment further includes: instructions or programs stored in memory 705 and executable on processor 704.
  • Processor 704 calls the instructions or programs in memory 705 to execute the methods executed by each module shown in FIG8 and achieve the same technical effect. To avoid repetition, it will not be described in detail here.
  • the network-side device 800 includes a processor 801, a network interface 802, and a memory 803.
  • the network-side device may be the communication operation execution device shown in FIG8.
  • the network interface 802 is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network-side device 800 in this application embodiment further includes: instructions or programs stored in memory 803 and executable on processor 801.
  • Processor 801 calls the instructions or programs in memory 803 to execute the methods executed by each module shown in FIG8 and achieve the same technical effect. To avoid repetition, it will not be described in detail here.
  • This application also provides a readable storage medium storing a program or instructions.
  • the program or instructions When executed by a processor, they implement the various processes of the above-described communication operation execution method embodiments and achieve the same technical effect. To avoid repetition, they will not be described again here.
  • the processor mentioned above is the processor in the terminal or network-side device described in the above embodiments.
  • the readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.
  • ROM computer read-only memory
  • RAM random access memory
  • magnetic disk magnetic disk
  • optical disk optical disk
  • the readable storage medium may be a non-transient readable storage medium.
  • This application embodiment also provides a chip, which includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the various processes of the above-described communication operation execution method embodiment and can achieve the same technical effect. To avoid repetition, it will not be described again here.
  • chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.
  • This application also provides a computer program/program product, which is stored in a storage medium and executed by at least one processor to implement the various processes of the above-described communication operation execution method embodiments, and can achieve the same technical effect. To avoid repetition, it will not be described again here.
  • This application also provides a wireless communication system, including: a terminal and a network-side device.
  • the terminal can be used to execute the steps of the communication operation execution method applied to the terminal as described above
  • the network-side device can be used to execute the steps of the communication operation execution method applied to the network-side device as described above.

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Abstract

本申请公开了一种通信操作执行方法、装置、终端及网络侧设备，属于通信技术领域，本申请实施例的通信操作执行方法包括：终端接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；所述终端执行第一操作；其中，所述第一操作包括如下至少一项：基于所述目标配置进行层3切换；基于所述目标配置进行连接恢复；在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。

Description

通信操作执行方法、装置、终端及网络侧设备
相关申请的交叉引用
本申请主张在2024年5月16日在中国提交的中国专利申请No.202410611836.9的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种通信操作执行方法、装置、终端及网络侧设备。
背景技术
相关技术中，终端在进行小区切换或连接恢复时均需要接入目标小区。然而，在终端每次进行小区切换或连接恢复的过程中，网络侧设备都需要向终端下发每次接入的目标小区的配置，导致配置信令的开销较大。
发明内容
本申请实施例提供一种通信操作执行方法、装置、终端及网络侧设备，能够解决配置信令的开销较大的问题。
第一方面，提供了一种通信操作执行方法，由终端执行，该方法包括：
终端接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
所述终端执行第一操作；
其中，所述第一操作包括如下至少一项：
基于所述目标配置进行层3切换；
基于所述目标配置进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
第二方面，提供了一种通信操作执行方法，由网络侧设备执行，该方法包括：
网络侧设备向终端发送第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置执行第一操作，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
其中，所述第一操作包括如下至少一项：
进行层3切换；
进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
第三方面，提供了一种通信操作执行装置，包括：
接收模块，用于接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
处理模块，用于执行第一操作；
其中，所述第一操作包括如下至少一项：
基于所述目标配置进行层3切换；
基于所述目标配置进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
第四方面，提供了一种通信操作执行装置，包括：
发送模块，用于向终端发送第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置执行第一操作，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
其中，所述第一操作包括如下至少一项：
进行层3切换；
进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
第五方面，提供了一种通信操作执行装置，所述装置被配置为执行如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第六方面，提供了一种终端，该终端包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第七方面，提供了一种终端，包括处理器及通信接口，其中，
通信接口，用于接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
处理器，用于执行第一操作；
其中，所述第一操作包括如下至少一项：
基于所述目标配置进行层3切换；
基于所述目标配置进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
第八方面，提供了一种网络侧设备，该网络侧设备包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第二方面所述的方法的步骤。
第九方面，提供了一种网络侧设备，包括处理器及通信接口，其中，
通信接口，用于向终端发送第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置执行第一操作，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
其中，所述第一操作包括如下至少一项：
进行层3切换；
进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
第十方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第十一方面，提供了一种无线通信系统，包括：终端及网络侧设备，所述终端可用于执行如第一方面所述的方法的步骤，所述网络侧设备可用于执行如第二方面所述的方法的步骤。
第十二方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如第一方面所述的方法，或实现如第二方面所述的方法。
第十三方面，提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/程序产品被至少一个处理器执行以实现如第一方面所述的方法，或实现如第二方面所述的方法。
在本申请实施例中，终端接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；所述终端执行第一操作；其中，所述第一操作包括如下至少一项：基于所述目标配置进行层3切换；基于所述目标配置进行连接恢复；在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。这样，通过网络侧设备指示终端应用保存的目标配置进行小区切换或连接恢复，无需重复传输用于接入目标小区的配置，能够降低配置信令的开销。
附图说明
图1是本申请实施例可应用的一种无线通信系统的框图；
图2是相关技术中的一种L3切换流程的示意图；
图3是相关技术中的一种LTM切换流程的示意图；
图4是相关技术中的一种连接恢复流程的示意图；
图5是本申请实施例提供的一种通信操作执行方法的流程图之一；
图6是本申请实施例提供的一种通信操作执行方法的流程图之二；
图7是本申请实施例提供的一种通信操作执行装置的结构示意图之一；
图8是本申请实施例提供的一种通信操作执行装置的结构示意图之二；
图9是本申请实施例提供的一种通信设备的结构示意图；
图10是本申请实施例提供的一种终端的结构示意图；
图11是本申请实施例提供的一种网络侧设备的结构示意图之一；
图12是本申请实施例提供的一种网络侧设备的结构示意图之二。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，本申请中的“或”表示所连接对象的至少其中之一。例如“A或B”的保护范围至少涵盖三种方案，即，方案一：包括A且不包括B；方案二：包括B且不包括A；方案三：既包括A又包括B。此外，术语“A和/或B”、“A和B中的至少一项”、“A或B中的至少一项”也分别至少涵盖上述三种方案。字符“/”一般表示前后关联对象是一种“或”的关系。
本申请的术语“指示”既可以是一个直接的指示(或者说显式的指示)，也可以是一个间接的指示(或者说隐含的指示)。其中，直接的指示可以理解为，发送方在发送的指示中明确告知了接收方具体的信息、需要执行的操作或请求结果等内容；间接的指示可以理解为，接收方根据发送方发送的指示确定对应的信息，或者进行判断并根据判断结果确定需要执行的操作或请求结果等。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)或其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，但是这些技术也可应用于NR系统以外的系统，如第6代(6th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)、笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(Ultra-mobile Personal Computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、增强现实(Augmented Reality，AR)、虚拟现实(Virtual Reality，VR)设备、机器人、可穿戴式设备(Wearable Device)、飞行器(flight vehicle)、车载用户设备(Vehicle User Equipment，VUE)、船载设备、行人用户设备(Pedestrian User Equipment，PUE)、智能家居(具有无线通信功能的家居设备，如冰箱、电视、洗衣机或者家具等)、游戏机、个人计算机(Personal Computer，PC)、柜员机或者自助机等终端侧设备。可穿戴式设备包括：智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装等。其中，车载设备也可以称为车载终端、车载控制器、车载模块、车载部件、车载芯片或车载单元等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以包括接入网设备或核心网设备，其中，接入网设备也可以称为无线接入网(Radio Access Network,RAN)设备、无线接入网功能或无线接入网单元。接入网设备可以包括基站、无线局域网(Wireless Local Area Network，WLAN)接入点(Access Point，AS)或无线保真(Wireless Fidelity，WiFi)节点等。其中，基站可被称为节点B(Node B，NB)、演进节点B(Evolved Node B，eNB)、下一代节点B(the next generation Node B，gNB)、新空口节点B(New Radio Node B，NR Node B)、接入点、中继站(Relay Base Station，RBS)、服务基站(Serving Base Station，SBS)、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、家用B节点(home Node B，HNB)、家用演进型B节点(home evolved Node B)、发送接收点(Transmit/Receive Point，TRP)或所属领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例进行介绍，并不限定基站的具体类型。
核心网设备也可以称为核心网节点、核心网功能或核心网网元等，其包含但不限于如下至少一项：移动管理实体(Mobility Management Entity，MME)、接入移动管理功能(Access and Mobility Management Function，AMF)、会话管理功能(Session Management Function，SMF)、用户平面功能(User Plane Function，UPF)、策略控制功能(Policy Control Function，PCF)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)、边缘应用服务发现功能(Edge Application Server Discovery Function，EASDF)、统一数据管理(Unified Data Management，UDM)、统一数据仓储(Unified Data Repository，UDR)、归属用户服务器(Home Subscriber Server，HSS)、集中式网络配置(Centralized network configuration，CNC)、网络存储功能(Network Repository Function，NRF)、网络开放功能(Network Exposure Function，NEF)、本地NEF(Local NEF，或L-NEF)、绑定支持功能(Binding Support Function，BSF)、应用功能(Application Function，AF)、位置管理功能(Location Management Function，LMF)、网关的移动位置中心(Gateway Mobile Location Centre，GMLC)、网络数据分析功能(Network Data Analytics Function，NWDAF)等。需要说明的是，在本申请实施例中仅以NR系统中的核心网设备为例进行介绍，并不限定核心网设备的具体类型，如果在后续协议版本(例如6G)中本申请实施例提到的核心网设备的名称发生变化，也在本申请的保护范围内。
可选的，核心网设备可以由一个设备中的一个或多个功能模块实现，也可以由多个设备共同实现，本申请实施例对此不作具体限定。可以理解的是，上述功能模块既可以是硬件设备中的网络元件，也可以是在专用硬件上运行的软件功能模块，或者是平台(例如，云平台)上实例化的虚拟化功能模块。
为了方便理解，以下对本申请实施例涉及的一些内容进行解释说明：
1、传统的层3(Layer 3，L3)切换流程
以NR中无线资源控制(Radio Resource Control，RRC)触发(即空口切换命令为RRC消息)的切换流程为例，说明蜂窝系统中的传统的L3切换流程。
如图2所示，基站间切换流程至少包含如下步骤：
(1)源gNB发起切换，通过Xn接口向目标gNB发送HANDOVER REQUEST；
(2)目标gNB执行准入控制，在HANDOVER REQUEST ACKNOWLEDGE中提供RRC重配消息(包含与切换用户设备(User Equipment，UE，即终端)关联的目标小区的配置信息，即UE从服务小区接入或切入所述候选小区时，UE所应用的目标小区配置)；
(3)源gNB向UE转发HANDOVER REQUEST ACKNOWLEDGE中携带的RRC重配消息：RRCReconfiguration；
(4)UE和源gNB断开连接，并向目标gNB发送RRC重配完成消息。
在步骤(3)和(4)之间，UE和网络侧(Network，NW，即网络侧设备)之间的数据传输会发生中断。为了缩短数据中断时间，后继在5G/NR中，引入了层1或层2触发的移动性(L1/L2 Triggered Mobility，LTM)切换流程。
本申请实施例主要涉及步骤(3)的RRC重配消息。
2、LTM(L1/L2 Triggered Mobility)切换流程
为了减少切换过程中的数据中断时间，相关技术中引入了LTM(L1/L2-triggered mobility)，即分布单元(Distributed Unit，DU)或源基站根据终端上报的层1测量结果(可选)，使用层1(Layer 1，L1)/层2(Layer 2，L2)(如物理层或媒体接入控制(Medium Access Control，MAC)层)信令指示终端切换到合适的目标小区。LTM切换流程如图3所示。
如图3所示，LTM切换流程如下：
(1)L3测量上报(可选步骤)：UE向基站上报L3测量的结果；
(2)RRC预配置：终端接收网络侧下发的预配置的一个或多个候选小区的信息；所述候选小区的配置为：UE从服务小区接入或切入所述候选小区时，UE所应用的目标小区配置；
每一个候选小区的配置信息关联一个标识(如ltm-CandidateId-r18)；不同候选小区的配置信息(ltm-candidateConfig-r18)所关联的标识不同。ltm-candidateConfig-r18所在IE的信令格式为RRCReconfiguration.
预配置信息(如LTM候选配置信元(LTM-Candidate information element))如下：
(3)UE发送配置完成消息给NW；
(4)可选地，UE执行与候选小区的上下行同步过程；
(5)终端通过测量当前服务小区和邻小区的下行信号获取L1测量结果并进行上报；
(6)终端接收网络侧发送的小区切换信令(如MAC控制单元(Control Element，CE))，应用目标小区的RRC配置信息；
其中，MAC CE中携带作为目标小区的候选小区的配置所关联的标识信息；
(7)可选的，UE基于随机接入信道(Random Access Channel，RACH)过程接入目标小区；
(8)UE发送切换完成消息给NW，以结束LTM过程。
LTM过程可以用于变更主服务小区(Primary Cell，PCell)或主辅小区(Primary Secondary Cell，PSCell)。
3、条件切换(Conditional HandOver，CHO)流程
在条件切换过程中，NW给UE预配置一个或多个候选小区配置(即UE接入或切入所述候选小区时，UE所应用的目标小区配置)，以及对应的执行条件。
当UE评估确定执行条件满足时，UE切入满足执行条件的候选小区。UE基于服务小区和/或候选小区的信号质量，确定对应的执行条件是否满足。
CHO的配置包括：
(1)CHO的执行条件：由N个测量标识(Measurement id)组成。每一个测量标识对应一个测量事件，当UE对候选小区(如小区(Cell)A)的测量结果满足预设条件，则UE认为相关测量事件被触发。当一个执行条件所包含的N个Measurement id对应的测量事件均被触发，则UE发起切换过程将服务小区(如PCell)变更为Cell A，简称CHO被触发。在NR中，N取值为1或2。
(2)候选小区的配置参数：为了将服务小区(PCell)变更为Cell A，UE所需要应用的CellA的配置参数。在NR中，CellA的配置参数由包含同步重配指示(ReconfigurationWithSync IE)的RRC重配消息承载。该配置即UE接入或切入所述候选小区时，所应用的目标小区配置。
(3)CHO配置标识(Identifier，ID)：用于关联一个执行条件和一个候选PCell的配置参数，可以用于针对该候选PCell的CHO过程。如果有N个候选小区，可以配置N个执行条件和N个候选PCell的配置参数，供UE进行评估。根据评估结果，确定最终的目标PCell(例如：最先满足的执行条件关联的候选PCell)。针对一个PCell的执行条件和目标配置参数通过CHO配置标识来关联；即关联到同一个CHO配置标识的一个执行条件和一个候选PCell的配置参数是针对一个候选PCell的。
在NR中，CHO的执行条件、候选小区的配置参数及CHO配置ID通过如下方式关联在一起：
其中，condReconfigId-r16为CHO配置ID，condExecutionCond-r16为CHO的执行条件，condRRCReconfig-r16为候选小区配置，信令格式为RRCReconfiguration。
相关技术中，允许NW为一个UE同时配置CHO和LTM。
条件主辅小区添加/变更(CPAC)与CHO的配置方式类似，用于PSCell变更(change)过程。
4、双连接或多连接
双连接是一种在LTE中引入的技术，也用于NR中，指UE可以同时连接到两个基站，由两个基站同时为UE提供数据收发服务。由于可以同时使用两个基站的无线资源，UE的业务数据传输速率得到成倍提升。
为同一个UE服务的两个基站之间有信令接口，可以互通相关UE的配置信息。
双连接UE的服务基站可以属于同一无线接入技术(Radio Access Technology，RAT)，例如：两个LTE eNB；也可以属于不同RAT，例如：一个LTE eNB，一个NR gNB。本申请实施例可适用于任何类型组合的双连接基站，对双连接基站的类型不做限定。
双连接UE的服务基站中有一个为主基站(Master Node，MN)，一个为辅基站(Secondary Node，SN)。网络会为双连接UE配置两个特殊小区SpCell(Special Cell)，即配置MN的一个小区作为UE的PCell(Primary Cell)，配置SN的一个小区作为UE的PSCell(Primary Secondary Cell)。如果同时应用了载波聚合(Carrier Aggregation，CA)技术，MN和SN的其他为UE服务的小区为该UE的辅小区(Secondary Cell，SCell)。
多连接指超过两个基站为同一个UE提供服务。本申请实施例同样适用于多连接，对多连接基站的类型不做限定。
类似双连接，多连接UE的服务基站中有一个为主基站(MN)，其他为辅基站(SN)。
网络会为多连接UE配置多个特殊小区SpCell(Special Cell)，即配置MN的一个小区作为UE的PCell(Primary Cell)，配置每个SN的一个小区作为UE的PScell(Primary Secondary Cell)。
5、非激活态和连接恢复
在NR中，除了RRC_Idle和RRC_Connected态外，还引入了第三个RRC状态——非激活(RRC_Inactive)态。当NW释放与UE的RRC连接时，可以选择让UE进入RRC_IDLE或RRC_Inactive中的一个。该机制或类似的机制也可以被未来的蜂窝系统(如6G)所采用。
在RRC_Inactive态下，NW和UE均会保存UE的部分接入层(Access Stratum，AS)UE上下文(AS UE context)信息，以便在UE从RRC_Inactive态恢复RRC连接，即进入RRC_Connected态时重用；避免重发对应的配置。
在图4中,RRC_Inactive的UE通过发送RRCResumeRequest消息请求恢复RRC连接。NW发送RRCResume消息，携带UE需要应用的配置。UE发送RRCResumeComplete消息以结束连接恢复过程。
需要说明的是，释放UE RRC连接的基站和UE发起RRC连接恢复过程的基站可以是不同的基站。例如：
T1时刻：UE的服务基站是BS1，BS1指示UE释放RRC连接并进入RRC_Inactive态；BS1可以被称为UE的锚(anchor)BS。
T2时刻：UE在BS2下的一个cell发起连接恢复。此时，BS2需要根据RRCResumeRequest消息中的信息，确定UE的anchor BS，即BS1；然后，BS2从BS1获取UE的上下文(context)，用于RRC连接恢复。
当然，如果BS2和BS1是同一个BS，那么就可以省略基站间的UE context获取或传递过程。
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供通信操作执行方法、装置及相关设备进行详细地说明。
参见图5，图5是本申请实施例提供的一种通信操作执行方法的流程图，如图5所示，通信操作执行方法包括以下步骤：
步骤101、终端接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置。
其中，所述第一指示信息可以包括所述目标配置的标识，终端可以通过所述目标配置的标识确定保存的目标配置；或，所述第一指示信息可以包括所述目标小区的标识，终端可以通过所述目标小区的标识确定保存的目标配置；或，所述第一指示信息可以直接指示所述终端应用保存的当前服务小区的目标配置进行连接恢复，终端可以通过保存的当前服务小区的标识确定保存的目标配置，此时，第一指示信息可以不携带标识。可以理解，通过接收到的目标配置的标识或目标小区的标识指示目标配置，终端在收到所述目标配置的标识或目标小区的标识后应用保存的目标配置。
另外，所述第一指示信息可以携带在切换命令(如L3切换命令)中，或，所述第一指示信息可以携带在CHO配置中，或，所述第一指示信息可以携带在LTM切换配置中，或，所述第一指示信息可以携带在对连接恢复请求消息的响应消息中，或，所述第一指示信息还可以携带在新增信令中，等等，本实施例对此不进行限定。
步骤102、所述终端执行第一操作；
其中，所述第一操作包括如下至少一项：
基于所述目标配置进行层3切换；
基于所述目标配置进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
其中，所述第一切换和所述第二切换可以均用于触发所述终端接入所述目标小区。所述第一切换可以为层3切换，所述第二切换可以为CHO，或LTM切换；或，所述第一切换可以为CHO，所述第二切换可以为层3切换，或LTM切换；或，所述第一切换可以为LTM切换，所述第二切换可以为层3切换，或CHO；等等，本申请实施例对第一切换和第二切换的具体实现不进行限定。
其中，层3切换可以是在终端接收到网络侧设备发生的层3切换命令(如：由RRC层信令承载的切换命令；具体的，可以是RRC同步重配消息)时触发的切换。CHO可以是终端基于L3测量结果判断预配置的切换条件满足时触发的切换；LTM切换可以是在终端接收到网络侧设备发送的L2切换命令(如：由MAC层信令承载的切换命令)时触发的切换。在本申请实施例中，层3切换，CHO及LTM切换中任意两者均属于不同类型的切换。
另外，所述第一切换和所述第二切换的切换类型不同，可以包括：所述第一切换和所述第二切换的切换触发方式不同；或，所述第一切换和所述第二切换的切换命令的格式不同。
需要说明的是，切换触发方式(如基于预设条件满足触发或基于网络侧设备发送的切换命令触发)或切换命令的格式(如基于MAC CE触发或基于RRC切换命令触发)不同的两次切换，均属于本申请实施例中讨论的切换类型不同的范畴。
一种实施方式中，所述目标配置为第一切换过程中保存的配置，可以包括：所述目标配置为第一切换配置过程中保存的配置。示例地，第一切换为CHO，目标配置为CHO配置过程中保存的配置；或，第一切换为LTM，目标配置为LTM配置过程中保存的配置。
需要说明的是，CHO配置可以理解或替换为CHO预配置。LTM配置可以理解或替换为LTM切换配置，或LTM预配置。
一种实施方式中，所述第一指示信息携带在层3切换命令中，所述终端基于所述目标配置进行层3切换。
一种实施方式中，所述第一指示信息携带在层3切换命令中，在所述目标配置为第一切换过程中保存的配置的情况下，所述终端基于所述目标配置进行第二切换，所述第二切换为层3切换。
一种实施方式中，所述第一指示信息携带在CHO配置中，在所述目标配置为第一切换过程中保存的配置的情况下，所述终端基于所述目标配置进行第二切换，所述第二切换为CHO。
一种实施方式中，所述第一指示信息携带在LTM切换配置中，在所述目标配置为第一切换过程中保存的配置的情况下，所述终端基于所述目标配置进行第二切换，所述第二切换为LTM切换。
一种实施方式中，所述第一指示信息携带在对连接恢复请求消息的响应消息中，所述终端基于所述目标配置进行连接恢复。
一种实施方式中，所述终端接收网络侧设备发送的第一指示信息之前，所述方法还包括：所述终端接收所述网络侧设备发送的第二信令，所述第二信令用于指示所述终端保存所述目标配置，或所述第二信令用于指示所述终端不保存所述目标配置。
一种实施方式中，所述终端可以基于所述目标配置进行层3切换。在所述目标配置为第三切换过程中保存的配置的情况下，终端可以基于所述目标配置进行第四切换，所述第三切换和所述第四切换的切换类型均为层3切换，所述第三切换和所述第四切换均用于接入所述目标小区。例如：T1时刻:终端收到L3切换命令，切入cell1，保存收到的cell1的配置作为目标配置；T2时刻：UE切入cell2；T3时刻:网络侧指示终端使用T1时刻收到的切换命令，执行L3切换，切入cell1，此时终端应用T1时刻保存的目标配置。
一种实施方式中，终端接收网络侧设备发送的第一指示信息之前，终端接收到配置信令，该配置信令包括目标配置，终端保存目标配置以及目标配置的标识信息(如编号)以供后继切换使用。该配置信令可以是传统的L3切换命令；也可以是LTM或CHO或CPAC配置信令。该目标配置可以用于终端接入目标节点(如目标小区)时所应用的配置。在后继切换时，网络侧设备仅需要指示目标配置的标识信息，而不需要重复传输目标配置。该目标配置可供LTM预配置候选目标小区使用，也可供条件切换预配置候选目标小区使用。
需要说明的是，可以通过协议约定目标配置中，可供或不可供后继切换使用的参数配置；对于不可供后继切换使用的参数配置，可以通过协议约定终端在缺失所述参数配置时的处理机制或定义新的方法确保终端获取所述参数配置。
一种实施方式中，终端从RRC_Inactive态发起连接恢复时，应用保存的所述目标配置。目标配置的获取方法包括但不限于L3切换命令，也包括网络侧设备基于LTM或条件切换(CHO或CPAC)机制预配置的候选目标小区配置。网络侧设备在连接恢复过程中，可以指示终端应用保存的配置。网络侧设备可以指示终端应用对应于终端发起连接恢复的小区对应的目标配置。示例地，网络侧设备可以指示终端应用的目标配置的标识信息，以指示终端应用目标配置；或，网络侧设备还可以指示终端应用当前服务小区(即终端发起连接恢复的小区)的标识所关联的目标配置进行连接恢复。网络侧设备还可以指示基于目标配置的更新配置，从而终端能够基于保存的目标配置及指示的更新配置进行连接恢复。
一种实施方式中，所述目标配置可以为用于所述终端接入目标小区的配置。所述第一操作可以包括：基于所述目标配置进行层3切换；或，在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换。
本申请实施例可以实现用于CPAC的目标PSCell配置信息的缩减。
相关技术中，传统L3切换命令，LTM配置和CHO或CPAC配置中，都会包含目标小区的配置信息，对于同一个目标小区，所述目标小区的配置信息中全部或大部分内容是相同的。传统L3切换命令，LTM配置和CHO或CPAC配置中的目标小区的配置信息是独立配置的，无法相关引用或重用。例如：如果网络侧设备给终端配置了候选目标小区CellA关联的LTM配置和CHO配置，LTM配置和CHO配置中的候选目标小区CellA的配置相同或大部分相同，但却要被配置(即在空口传输)两次，这造成了配置信令开销的无谓增加。本申请实施例中，终端保存接收到的目标配置，应用于后继的L3切换，LTM切换配置，以及CHO或CPAC配置，能够减少目标配置在空口的重复传输过程，减少了空口传递信令的开销。
相关技术中，CHO、LTM以及传统L3切换是相互独立的，例如：
Case1：在网络侧设备已经配置了CellA(作为候选小区)相关的CHO配置后，终端已经保存了切入或接入Cell A的目标小区配置(如基于网络配置的condRRCReconfig-r16，格式由RRCReconfiguration(以下记为RRCReconfiguration-CHO)消息定义)。如果此时网络侧设备发起传统L3切换(例如出于负载均衡的目的)将终端切换到CellA，网络仍然需要发送RRCReconfiguration(以下记为RRCReconfiguration-legacy)消息给终端，以指示终端切入或接入Cell A的目标小区配置。即使终端本地保存的RRCReconfiguration-CHO和接收到的RRCReconfiguration-legacy的全部或大部分参数的取值是相同的。
在本申请实施例中，终端可以将本地保存的RRCReconfiguration-CHO应用于L3切换，从而网络侧设备不需要再发送完整(或包含已保存的参数配置)的RRCReconfiguration-legacy消息给终端，能够节省配置信令的开销。
Case2：
在网络侧设备已经配置了CellA(作为候选小区)相关的LTM配置后，终端已经保存了切入或接入Cell A的目标小区配置(如基于网络配置的ltm-CandidateConfig-r18，格式由RRCReconfiguration(以下记为RRCReconfiguration-LTM)消息定义)。如果此时网络侧设备发起传统L3切换(例如出于负载均衡的目的)将终端切换到CellA，网络仍然需要发送RRCReconfiguration-legacy给终端，以指示终端切入或接入Cell A的目标小区配置。即使终端本地保存的RRCReconfiguration-LTM和接收到的RRCReconfiguration-legacy的全部或大部分参数的取值是相同的。
在本申请实施例中，终端可以将本地保存的RRCReconfiguration-LTM应用于L3切换，从而网络侧设备不需要再发送完整(或包含已保存的参数配置)的RRCReconfiguration-legacy消息给终端，能够节省配置信令的开销。
Case3：
在网络侧设备已经配置了CellA(作为候选小区)相关的CHO配置后，终端已经保存了切入或接入Cell A的目标小区配置(如基于网络配置的condRRCReconfig-r16，格式由RRCReconfiguration-CHO消息定义)。如果此时网络侧设备再配置CellA(作为候选小区)相关的LTM配置，网络侧设备需要再配置RRCReconfiguration-LTM给UE。即使终端本地保存的RRCReconfiguration-CHO和接收到的RRCReconfiguration-LTM的全部或大部分参数的取值是相同的。
在本申请实施例中，终端可以将本地保存的RRCReconfiguration-CHO应用于LTM切换，从而网络侧设备不需要再发送完整(或包含已保存的参数配置)的RRCReconfiguration-LTM消息给终端，能够节省配置信令的开销。
Case4：
在网络侧设备已经配置了CellA(作为候选小区)相关的LTM配置后，终端已经保存了切入或接入Cell A的目标小区配置(如基于网络配置的ltm-CandidateConfig-r18，格式由RRCReconfiguration-LTM消息定义)。如果此时网络侧设备继续配置CellA(作为候选小区)相关的CHO配置，网络侧设备需要再配置RRCReconfiguration-CHO。即使终端本地保存的RRCReconfiguration-LTM和接收到的RRCReconfiguration-CHO的全部或大部分参数的取值是相同的。
在本申请实施例中，终端可以将本地保存的RRCReconfiguration-LTM应用于CHO，从而网络侧设备不需要再发送完整(或包含已保存的参数配置)的RRCReconfiguration-CHO消息给终端，能够节省配置信令的开销。
在本申请实施例中，一套候选小区的目标配置可以供多种切换机制复用，网络侧设备配置候选小区的目标配置以及标识；在后继传统切换(即L3切换)，或CHO或LTM预配置时，可以通过所述标识引用所述候选小区的目标配置，避免重复配置带来的信令开销。
在本申请实施例中，对于L3切换信令，网络侧设备可以指示终端保存该切换信令(比如配置其关联的标识)；在后继L3切换，或CHO或LTM预配置，网络侧设备可以通过所述标识应用所述候选小区的目标配置，避免重复配置带来的信令开销。
一种实施方式中，所述终端可以基于所述目标配置进行连接恢复。
需要说明的是，相关技术中，终端进入RRC_Inactive态时，并不保存网络侧设备预配置的切换候选小区的配置。在本申请实施例中，终端和网络侧设备可以保留相关配置，那么，在连接恢复过程中，网络侧设备可以指示终端应用保存的相关配置，而不用再次在空口发送对应配置，从而能够节省配置信令的开销。
在本申请实施例中，在连接恢复时，网络侧设备可以指示终端使用保存的本小区(即终端发起连接恢复的小区)相关配置；或指示需要使用的目标配置的标识。
本申请实施例可以用于空口基于波束赋形技术的蜂窝通信系统。
在本申请实施例中，终端接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；所述终端执行第一操作；其中，所述第一操作包括如下至少一项：基于所述目标配置进行层3切换；基于所述目标配置进行连接恢复；在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。这样，通过网络侧设备指示终端应用保存的目标配置进行小区切换或连接恢复，无需重复传输用于接入目标小区的配置，能够降低配置信令的开销。
可选地，所述第一切换为层3切换，所述第二切换为条件切换CHO，或层1或层2触发的移动性LTM切换；
或
所述第一切换为CHO，所述第二切换为层3切换，或LTM切换；
或
所述第一切换为LTM切换，所述第二切换为层3切换，或CHO。
一种实施方式中，所述第一切换为层3切换，所述第二切换为条件切换CHO，或层1或层2触发的移动性LTM切换，从而能够节省CHO或LTM切换的配置信令的开销。示例地，所述第一指示信息携带在CHO配置中，所述终端基于所述目标配置进行CHO；或，所述第一指示信息携带在LTM切换配置中，所述终端基于所述目标配置进行LTM切换。
一种实施方式中，所述第一切换为CHO，所述第二切换为层3切换，或LTM切换，从而能够节省层3切换，或LTM切换的配置信令的开销。示例地，所述第一指示信息携带在切换命令中，所述终端基于所述目标配置进行层3切换；或，所述第一指示信息携带在LTM切换配置中，所述终端基于所述目标配置进行LTM切换。
一种实施方式中，所述第一切换为LTM切换，所述第二切换为层3切换，或CHO，从而能够节省层3切换，或CHO的配置信令的开销。示例地，所述第一指示信息携带在切换命令中，所述终端基于所述目标配置进行层3切换；或，所述第一指示信息携带在CHO切换配置中，所述终端基于所述目标配置进行CHO。
可选地，所述第一指示信息包括如下至少一项：
所述目标配置的标识；
所述目标小区的标识。
其中，所述目标配置的标识，可以包括所述目标配置的索引，或编号，等等，凡是可以用于标识目标配置的信息均可以作为目标配置的标识，本实施例对目标配置的标识不进行限定。
一种实施方式中，网络侧设备可以通过所述目标配置的标识指示所述终端应用保存的目标配置执行第一操作，或，网络侧设备可以通过目标配置的标识指示目标配置，从而终端可以基于目标配置执行第一操作。
一种实施方式中，网络侧设备可以通过所述目标小区的标识指示所述终端应用保存的与所述目标小区的标识关联的目标配置执行第一操作，或，网络侧设备可以通过目标小区的标识隐式指示目标配置，从而终端可以基于目标配置执行第一操作。
示例地，在网络侧设备仅为终端配置用于所述终端接入目标小区的一套配置(即目标配置)的情况下，网络侧设备可以通过目标小区的标识指示所述终端应用保存的目标配置，从而终端能够基于目标配置执行第一操作。
可选地，所述目标配置通过如下至少一项获取：
切换命令；预配置的候选小区配置。
其中，所述切换命令可以为层3切换命令(或描述为层3切换的切换命令)。
一种实施方式中，终端接收网络侧设备发送的第一指示信息之前，终端可以接收网络侧设备发送的层3切换的切换命令，该切换命令携带目标配置，终端可以保存该目标配置用于下一次层3切换，或用于CHO，或LTM切换。
一种实施方式中，所述预配置的候选小区配置包括目标配置。终端接收网络侧设备发送的第一指示信息之前，终端可以接收网络侧设备预配置的候选小区配置。示例地，该预配置的候选小区配置可以用于CHO，终端可以保存该目标配置用于下一次CHO，或用于层3切换，或LTM切换；或，该预配置的候选小区配置可以用于LTM切换，终端可以保存该目标配置用于下一次LTM切换，或用于层3切换，或CHO。
可选地，所述终端接收网络侧设备发送的第一指示信息之前，所述方法还包括：
所述终端在第一切换过程中接收所述网络侧设备发送的第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
其中，所述终端在第一切换过程中接收所述网络侧设备发送的第二指示信息之后，可以保存所述目标配置。所述第二指示信息可以包括与所述目标配置关联的第一标识，或，所述第二指示信息可以为新增的特定信令，网络侧设备可以通过该特定信令指示所述终端保存所述目标配置。
另外，所述保存的目标配置用于连接恢复或后继切换，还可以描述为，所述保存的目标配置用于所述第一操作。后继切换还可以描述为后续切换。
示例地，后继切换可以包括第一操作中的层3切换或第二切换。
一种实施方式中，所述第二指示信息可以携带在切换命令中，或所述第二指示信息可以携带在用于配置候选小区配置的信令中。
该实施方式中，所述终端在第一切换过程中接收所述网络侧设备发送的第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换，从而终端能够保存目标配置，并应用保存的目标配置进行小区切换或连接恢复，无需重复传输用于接入目标小区的配置，能够降低配置信令的开销。
可选地，所述第二指示信息包括与所述目标配置关联的第一标识。
一种实施方式中，在所述第一标识的值为预设值时，指示所述终端保存所述目标配置；在所述第一标识的值不为所述预设值时，指示所述终端不保存所述目标配置；
一种实施方式中，所述终端接收所述网络侧设备发送的第二信令，在所述第二信令中携带所述第一标识时，指示所述终端保存所述目标配置；在所述第二信令中不携带所述第一标识时，指示所述终端不保存所述目标配置。
可选地，所述第一指示信息携带在第一信令中，所述第一信令中还携带至少一个第一配置参数的参数值；
若所述目标配置包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述目标配置中所述第一配置参数的参数值更新为所述第一信令中携带的所述第一配置参数的参数值；或
若所述目标配置不包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述第一配置参数的参数值添加至所述目标配置。
其中，所述第一信令可以为切换命令，或，所述第一信令可以为CHO配置信令，或，所述第一信令可以为LTM切换配置信令，或，所述第一信令可以为对连接恢复请求消息的响应消息。
一种实施方式中，所述第一信令中携带的第一配置参数的参数值可以用于替换目标配置中对应的第一配置参数的参数值。例如，目标配置中包含3个参数(如参数O，参数P，参数Q)的取值，第一信令中携带了该3个参数中的1个参数(如参数P)的取值，则终端应用目标配置中包含的参数O及参数Q的取值，以及第一信令中携带的参数P的取值切入或接入目标小区。
一种实施方式中，所述第一信令中携带的第一配置参数的参数值可以用于补充所述目标配置。例如，目标配置中包含3个参数(如参数O，参数P，参数Q)的取值，第一信令中携带了1个参数(如参数T)的取值，则终端应用目标配置中包含的参数O，参数P及参数Q的取值，以及第一信令中携带的参数T的取值切入或接入目标小区。
在本申请实施例中，当网络侧设备应用保存的所述候选小区的目标配置时，终端可以应用其中可重用的域的取值，可以通过协议约定哪些域可以重用或不可以重用，并对于不能重用的域规定默认值进行替代；或网络侧设备携带需要变更的取值的域的新取值，以替代保存的取值。
可选地，所述终端接收网络侧设备发送的第一指示信息之前，所述方法还包括：
所述终端向所述网络侧设备发送连接恢复请求消息；
所述终端接收网络侧设备发送的第一指示信息，包括：
所述终端接收所述网络侧设备发送的对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
其中，所述对所述连接恢复请求消息的响应消息可以是连接恢复消息。
该实施方式中，所述终端向所述网络侧设备发送连接恢复请求消息；所述终端接收所述网络侧设备发送的对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中，从而网络侧设备能够通过所述响应消息指示终端应用保存的目标配置进行连接恢复，无需重复传输用于接入目标小区的配置，能够降低连接恢复过程中配置信令的开销。
以下通过几个示例对通信操作执行方法进行补充说明：
示例1：
在该示例中，NW为终端预配置的候选小区的目标配置用于切换。
步骤(1)：UE接收NW侧发送的CellA的目标配置。
所述CellA为主服务小区PCell(包括但不限制传统L3切换或LTM等触发的RRC连接态UE的主服务小区)或主辅服务小区PSCell变更(包括但不限制传统L3 PSCell change过程或LTM等触发的RRC连接态UE的PSCell变更)的目标PSCell。
所述目标配置用于PCell或PSCell变更过程中，至少包括用于接入CellA的配置，或包括在变更过程结束后在CellA应用的配置。
所述CellA的目标配置关联一个标识；标识与CellA的目标配置一一对应。如果NW发送Cell A，Cell B，Cell C的目标配置给UE，那么Cell A，Cell B，Cell C的目标配置对应的标识的取值是不同的；或者如果NW发送Cell A的N套目标配置给UE，那么CellA的N套目标配置对应N个各不相同的标识取值。
例如：NW发送Cell A，Cell B，Cell C的目标配置给UE，其中Cell A对应的目标配置为2套，Cell B，Cell C的目标配置分别为1套。那么，Cell A的目标配置1、Cell A的目标配置2、Cell B的目标配置及Cell C的目标配置对应的标识分别为1、2、3及4。
Cell A的目标配置可以通过层3切换命令或PSCell change命令发送给UE，即UE收到Cell A的目标配置后，应用接收到的Cell A的目标配置接入cell A，并保存Cell A的目标配置，用于后继的PCell和PSCell变更流程,包括但不限于传统层3切换，LTM或CHO或CPAC配置。
步骤(2)：UE基于NW的指示，保存接收到的Cell A的目标配置。所述指示可以在所述层3切换命令或PSCell change命令中携带；所述指示可以是与所述Cell A的目标配置相关联的标识取值，例如当所述切换命令中携带所述标识取值，UE保存所述Cell A的目标配置；否则，UE不保存所述Cell A的目标配置。
步骤(3)：UE接收NW发送的层3切换命令或PSCell change命令，所述层3切换命令或PSCell change命令包含目标配置的标识(即第一指示信息)。
UE执行第一操作：
如果目标配置标识为1，UE应用Cell A的目标配置1中的参数取值切入或接入Cell A；
如果目标配置标识为2，UE应用Cell A的目标配置2中的参数取值切入或接入Cell A；
如果目标配置标识为3，UE应用Cell B的目标配置中的参数取值切入或接入Cell B。
一种实施方式中，所述层3切换命令或PSCell change命令可选包含目标配置标识所指示或关联的目标配置的delta配置。
所述delta配置可以用于替换目标配置中对应的参数的取值。例如：目标配置中包含5个参数(如参数O，参数P，参数Q，参数R，参数S)的取值，层3切换命令或PSCell change命令中携带了5个参数中的两个参数(如参数P和参数Q)的取值，则UE应用目标配置中包含的参数O、参数R及参数S的取值，以及层3切换命令或PSCell change命令中携带的参数P和参数Q的取值，切入或接入目标小区。
一种实施方式中，所述层3切换命令或PSCell change命令可选包含目标配置标识所指示或关联的目标配置未指示的配置。
例如：目标配置中包含5个参数(如参数O，参数P，参数Q，参数R，参数S)的取值，层3切换命令或PSCell change命令中携带了1个参数(如参数T)的取值，则UE应用目标配置中包含的参数O，参数P，参数Q，参数R及参数S的取值，以及层3切换命令或PSCell change命令中携带的参数T的取值，切入或接入目标小区。
示例2：
在该示例中，NW为终端预配置的候选小区的目标配置用于CHO或CPAC配置。
步骤(1)同示例1。
步骤(2)：UE基于NW的指示，保存Cell A的目标配置1、Cell A的目标配置2、Cell B的目标配置及Cell C的目标配置；其对应的标识分别为1、2、3及4。
步骤(3)：UE接收NW发送的CHO配置。其中，CHO配置中候选小区的目标配置直接使用目标配置的标识取值(即第一指示信息)进行替代。
例如：condRRCReconfig-r16被替换为了condRRCReconfigIndex，能够达到减少配置信令开销的目的：

类似的，对于LTM流程，预配置的Cell A的目标配置可以用存储的Cell A的目标配置关联的标识取值替代，能够达到减少配置信令开销的目的。
示例3：
在该示例中，NW为终端预配置的候选小区的目标配置用于RRC连接恢复过程1。
步骤(1)同示例1。
步骤(2)：UE基于NW的指示，保存Cell A的目标配置1、Cell A的目标配置2、Cell B的目标配置及Cell C的目标配置；其对应的标识分别为1、2、3及4。
步骤(3)：UE接收到NW的指示信令，该指示信令用于指示释放RRC连接，并进入RRC_Inactive态；UE根据指示释放RRC连接并进入RRC_Inactive态。
步骤(4)：如图4所示，UE选择在Cell A进行连接恢复，发起连接恢复请求。
步骤(5)：UE接收到NW发送的反馈消息，该反馈消息中包括的目标配置的标识取值(即第一指示信息)为2；UE执行第一操作包括：UE应用所述标识取值为2所对应的配置(即Cell A的目标配置2)；可选地，在NW反馈消息中，可以携带Cell A的目标配置的部分参数取值以替换Cell A的目标配置2中的取值供UE应用。
步骤(6)：UE发送连接恢复完成消息以结束RRC连接恢复流程。
示例4：
在该示例中，NW为终端预配置的候选小区的目标配置用于RRC连接恢复过程2。
步骤(1)同示例1。
步骤(2)：UE基于NW的指示，保存Cell A的目标配置、Cell B的目标配置及Cell C的目标配置；其对应的标识分别为1、3及4。也就是说，每个cell仅可以被配置一套目标配置。
步骤(3)：UE接收到NW的指示信令，该指示信令用于指示释放RRC连接，并进入RRC_Inactive态；UE根据指示释放RRC连接并进入RRC_Inactive态。
步骤(4)：如图4所示，UE选择在Cell A进行连接恢复，发起连接恢复请求。
步骤(5)：UE接收到NW发送的反馈消息，该反馈消息中包括第一指示信息，所述第一指示信息用于指示UE应用保存的当前服务小区(即CellA)的目标配置；UE执行第一操作包括：UE应用Cell A的目标配置，也就是说，UE直接应用当前小区关联的保存的目标配置；可选地，在NW发送的反馈消息中，可以携带Cell A的目标配置的部分参数取值以替换Cell A的目标配置中的取值供UE应用。
步骤(6)：UE发送连接恢复完成消息以结束RRC连接恢复流程。
在本申请实施例中，UE保存接收到的目标小区配置，应用于后继的传统切换(如NW发送的RRC信令触发的切换过程)，LTM切换配置，以及CHO或CPAC配置，能够减少目标小区配置在空口的重复传输过程，减少了空口传递信令的开销。考虑到NW触发切换时，UE通常位于小区边缘，信号质量较差，较小的切换命令更容易被UE成功接收，如果将保存的目标小区配置用于后继的传统切换，因为切换信令大小缩减，也可以提升切换信令被UE成功接收的可能，从而能够提高切换成功的概率。
参见图6，图6是本申请实施例提供的一种通信操作执行方法的流程图，如图6所示，通信操作执行方法包括以下步骤：
步骤201、网络侧设备向终端发送第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置执行第一操作，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
其中，所述第一操作包括如下至少一项：
进行层3切换；
进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
其中，所述目标配置可以用于执行所述第一操作。
可选地，所述第一切换为层3切换，所述第二切换为CHO，或层1或层2触发的移动性LTM切换；
或
所述第一切换为CHO，所述第二切换为层3切换，或LTM切换；
或
所述第一切换为LTM切换，所述第二切换为层3切换，或CHO。
可选地，所述第一指示信息包括如下至少一项：
所述目标配置的标识；
所述目标小区的标识。
可选地，所述目标配置通过如下至少一项获取：
切换命令；预配置的候选小区配置。
可选地，所述网络侧设备向终端发送第一指示信息之前，所述方法还包括：
所述网络侧设备向所述终端发送第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
可选地，所述第二指示信息包括与所述目标配置关联的第一标识。
可选地，所述网络侧设备向终端发送第一指示信息之前，所述方法还包括：
所述网络侧设备接收所述终端发送的连接恢复请求消息；
所述网络侧设备向终端发送第一指示信息，包括：
所述网络侧设备向终端发送对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
需要说明的是，本实施例作为与图5所示的实施例中对应的网络侧设备的实施方式，其具体的实施方式可以参见图5所示的实施例的相关说明，为避免重复说明，本实施例不再赘述。
本申请实施例提供的通信操作执行方法，执行主体可以为通信操作执行装置。本申请实施例中以通信操作执行装置执行通信操作执行方法为例，说明本申请实施例提供的通信操作执行的装置。
本申请实施例提供一种通信操作执行装置，作为一种示例，通信操作执行装置可以是通信设备或通信设备中的部件，例如芯片。该通信设备可以是终端、网络侧设备或服务器等。示例性的，终端可以包括但不限于上述所列举的终端11的类型，网络侧设备可以包括但不限于上述所列举的网络侧设备12的类型，本申请实施例不作具体限定。
通信操作执行装置包括接收模块、发送模块和处理模块。其中，接收模块、发送模块和处理模块可以是通过软件实现，也可以通过硬件实现。当通过硬件实现时，处理模块可以由处理器实现，示例性的，处理器可以包括通用处理器、专用处理器等，例如包括中央处理单元(Central Processing Unit，CPU)、微处理器、数字信号处理器(Digital Signal Processor，DSP)、人工智能(Artificial Intelligent，AI)处理器、图形处理器(Graphics Processing Unit，GPU)、专用集成电路(Application Specific Integrated Circuit，ASIC)、网络处理器(Network Processor，NP)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、门电路、晶体管、分立硬件组件等。接收模块和发送模块可以由通信接口实现，通信接口可以包括收发器、管脚、电路、总线、射频单元等其中一种或多种。
具体的，参见图7，当通信操作执行装置为终端或终端中的部件时，通信操作执行装置300包括：
接收模块301，用于接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
处理模块302，用于执行第一操作；
其中，所述第一操作包括如下至少一项：
基于所述目标配置进行层3切换；
基于所述目标配置进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
可选地，所述第一切换为层3切换，所述第二切换为条件切换CHO，或层1或层2触发的移动性LTM切换；
或
所述第一切换为CHO，所述第二切换为层3切换，或LTM切换；
或
所述第一切换为LTM切换，所述第二切换为层3切换，或CHO。
可选地，所述第一指示信息包括如下至少一项：
所述目标配置的标识；
所述目标小区的标识。
可选地，所述目标配置通过如下至少一项获取：
切换命令；预配置的候选小区配置。
可选地，所述接收模块还用于：在第一切换过程中接收所述网络侧设备发送的第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
可选地，所述第二指示信息包括与所述目标配置关联的第一标识。
可选地，所述第一指示信息携带在第一信令中，所述第一信令中还携带至少一个第一配置参数的参数值；
若所述目标配置包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述目标配置中所述第一配置参数的参数值更新为所述第一信令中携带的所述第一配置参数的参数值；或
若所述目标配置不包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述第一配置参数的参数值添加至所述目标配置。
可选地，所述装置还包括：
发送模块，用于向所述网络侧设备发送连接恢复请求消息；
所述接收模块具体用于：接收所述网络侧设备发送的对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
本申请实施例能够降低配置信令的开销。
参见图8，当通信操作执行装置为网络侧设备或网络侧设备中的部件时，通信操作执行装置400包括：
发送模块401，用于向终端发送第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置执行第一操作，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
其中，所述第一操作包括如下至少一项：
进行层3切换；
进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
可选地，所述第一切换为层3切换，所述第二切换为CHO，或层1或层2触发的移动性LTM切换；
或
所述第一切换为CHO，所述第二切换为层3切换，或LTM切换；
或
所述第一切换为LTM切换，所述第二切换为层3切换，或CHO。
可选地，所述第一指示信息包括如下至少一项：
所述目标配置的标识；
所述目标小区的标识。
可选地，所述目标配置通过如下至少一项获取：
切换命令；预配置的候选小区配置。
可选地，所述发送模块还用于：
在第一切换过程中向所述终端发送第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
可选地，所述第二指示信息包括与所述目标配置关联的第一标识。
可选地，所述装置还包括：
接收模块，用于接收所述终端发送的连接恢复请求消息；
所述发送模块具体用于：
向终端发送对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
本申请实施例能够降低配置信令的开销。
本申请实施例提供的通信操作执行装置能够实现图5至图6的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
如图9所示，本申请实施例还提供一种通信设备500，包括处理器501和存储器502，存储器502上存储有可在所述处理器501上运行的程序或指令，例如，该通信设备500为终端时，该程序或指令被处理器501执行时实现上述的通信操作执行方法实施例的各个步骤，且能达到相同的技术效果。该通信设备500为网络侧设备时，该程序或指令被处理器501执行时实现上述的通信操作执行方法实施例的各个步骤，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供一种终端，包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如图5所示方法实施例中的步骤。该终端实施例与上述终端侧方法实施例对应，上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中，且能达到相同的技术效果。该终端可以是图7所示的通信操作执行装置。具体地，图10为实现本申请实施例的一种终端的硬件结构示意图。
该终端600包括但不限于：射频单元601、网络模块602、音频输出单元603、输入单元604、传感器605、显示单元606、用户输入单元607、接口单元608、存储器609以及处理器610等中的至少部分部件。
本领域技术人员可以理解，终端600还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理系统与处理器610逻辑相连，从而通过电源管理系统实现管理充电、放电以及功耗管理等功能。图10中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元604可以包括图形处理器6041和麦克风6042，图形处理器6041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元606可包括显示面板6061，可以采用液晶显示器、有机发光二极管等形式来配置显示面板6061。用户输入单元607包括触控面板6071以及其他输入设备6072中的至少一种。触控面板6071，也称为触摸屏。触控面板6071可包括触摸检测装置和触摸控制器两个部分。其他输入设备6072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元601接收来自网络侧设备的下行数据后，可以传输给处理器610进行处理；另外，射频单元601可以向网络侧设备发送上行数据。通常，射频单元601包括但不限于天线、放大器、收发器、耦合器、低噪声放大器、双工器等。
存储器609可用于存储软件程序或指令以及各种数据。存储器609可主要包括存储程序或指令的第一存储区和存储数据的第二存储区，其中，第一存储区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器609可以包括易失性存储器或非易失性存储器。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synch link DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DRRAM)。本申请实施例中的存储器609包括但不限于这些和任意其它适合类型的存储器。
处理器610可包括一个或多个处理单元；可选的，处理器610集成应用处理器和调制解调处理器，其中，应用处理器主要处理涉及操作系统、用户界面和应用程序等的操作，调制解调处理器主要处理无线通信信号，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器610中。
其中，射频单元601用于：接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
处理器610用于：执行第一操作；
其中，所述第一操作包括如下至少一项：
基于所述目标配置进行层3切换；
基于所述目标配置进行连接恢复；
在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
可选地，所述第一切换为层3切换，所述第二切换为条件切换CHO，或层1或层2触发的移动性LTM切换；
或
所述第一切换为CHO，所述第二切换为层3切换，或LTM切换；
或
所述第一切换为LTM切换，所述第二切换为层3切换，或CHO。
可选地，所述第一指示信息包括如下至少一项：
所述目标配置的标识；
所述目标小区的标识。
可选地，所述目标配置通过如下至少一项获取：
切换命令；预配置的候选小区配置。
可选地，射频单元601还用于：在第一切换过程中接收所述网络侧设备发送的第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
可选地，所述第二指示信息包括与所述目标配置关联的第一标识。
可选地，所述第一指示信息携带在第一信令中，所述第一信令中还携带至少一个第一配置参数的参数值；
若所述目标配置包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述目标配置中所述第一配置参数的参数值更新为所述第一信令中携带的所述第一配置参数的参数值；或
若所述目标配置不包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述第一配置参数的参数值添加至所述目标配置。
可选地，射频单元601还用于：
向所述网络侧设备发送连接恢复请求消息；
接收所述网络侧设备发送的对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
可以理解，本实施例中提及的各实现方式的实现过程可以参照方法实施例图5的相关描述，并达到相同或相应的技术效果，为避免重复，在此不再赘述。
本申请实施例还提供一种网络侧设备，包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如图6所示的方法实施例的步骤。该网络侧设备实施例与上述网络侧设备方法实施例对应，上述方法实施例的各个实施过程和实现方式均可适用于该网络侧设备实施例中，且能达到相同的技术效果。
具体地，本申请实施例还提供了一种网络侧设备，该网络侧设备可以是图8所示的通信操作执行装置。如图11所示，该网络侧设备700包括：天线701、射频装置702、基带装置703、处理器704和存储器705。天线701与射频装置702连接。在上行方向上，射频装置702通过天线701接收信息，将接收的信息发送给基带装置703进行处理。在下行方向上，基带装置703对要发送的信息进行处理，并发送给射频装置702，射频装置702对收到的信息进行处理后经过天线701发送出去。
以上实施例中网络侧设备执行的方法可以在基带装置703中实现，该基带装置703包括基带处理器。
基带装置703例如可以包括至少一个基带板，该基带板上设置有多个芯片，如图11所示，其中一个芯片例如为基带处理器，通过总线接口与存储器705连接，以调用存储器705中的程序，执行以上方法实施例中所示的网络设备操作。
该网络侧设备还可以包括网络接口706，该接口例如为通用公共无线接口(Common Public Radio Interface，CPRI)。
具体地，本申请实施例的网络侧设备700还包括：存储在存储器705上并可在处理器704上运行的指令或程序，处理器704调用存储器705中的指令或程序执行图8所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
具体地，本申请实施例还提供了一种网络侧设备。如图12所示，该网络侧设备800包括：处理器801、网络接口802和存储器803。该网络侧设备可以是图8所示的通信操作执行装置。其中，网络接口802例如为通用公共无线接口(common public radio interface，CPRI)。
具体地，本申请实施例的网络侧设备800还包括：存储在存储器803上并可在处理器801上运行的指令或程序，处理器801调用存储器803中的指令或程序执行图8所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述通信操作执行方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端或网络侧设备中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器ROM、随机存取存储器RAM、磁碟或光盘等。在一些示例中，可读存储介质可以是非瞬态的可读存储介质。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现上述通信操作执行方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/程序产品被至少一个处理器执行以实现上述通信操作执行方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供了一种无线通信系统，包括：终端及网络侧设备，所述终端可用于执行如上所述的应用于终端的通信操作执行方法的步骤，所述网络侧设备可用于执行如上所述的应用于网络侧设备的通信操作执行方法的步骤。
需要说明的是，在本文中，术语“包括”、“包含”或其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或是还包括为这种过程、方法、物品或装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助计算机软件产品加必需的通用硬件平台的方式来实现，当然也可以通过硬件。该计算机软件产品存储在存储介质(如ROM、RAM、磁碟、光盘等)中，包括若干指令，用以使得终端或网络侧设备执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式的实施方式，这些实施方式均属于本申请的保护之内。

Claims (24)

  1. 一种通信操作执行方法，包括：
    终端接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
    所述终端执行第一操作；
    其中，所述第一操作包括如下至少一项：
    基于所述目标配置进行层3切换；
    基于所述目标配置进行连接恢复；
    在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
  2. 根据权利要求1所述的方法，其中，所述第一切换为层3切换，所述第二切换为条件切换CHO，或层1或层2触发的移动性LTM切换；
    或
    所述第一切换为CHO，所述第二切换为层3切换，或LTM切换；
    或
    所述第一切换为LTM切换，所述第二切换为层3切换，或CHO。
  3. 根据权利要求1或2所述的方法，其中，所述第一指示信息包括如下至少一项：
    所述目标配置的标识；
    所述目标小区的标识。
  4. 根据权利要求1-3中任一项所述的方法，其中，所述目标配置通过如下至少一项获取：
    切换命令；预配置的候选小区配置。
  5. 根据权利要求1-4中任一项所述的方法，其中，所述终端接收网络侧设备发送的第一指示信息之前，所述方法还包括：
    所述终端在第一切换过程中接收所述网络侧设备发送的第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
  6. 根据权利要求5所述的方法，其中，所述第二指示信息包括与所述目标配置关联的第一标识。
  7. 根据权利要求1-6中任一项所述的方法，其中，所述第一指示信息携带在第一信令中，所述第一信令中还携带至少一个第一配置参数的参数值；
    若所述目标配置包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述目标配置中所述第一配置参数的参数值更新为所述第一信令中携带的所述第一配置参数的参数值；或
    若所述目标配置不包括所述第一配置参数，则在所述终端应用所述目标配置的过程中，所述终端将所述第一配置参数的参数值添加至所述目标配置。
  8. 根据权利要求1-7中任一项所述的方法，其中，所述终端接收网络侧设备发送的第一指示信息之前，所述方法还包括：
    所述终端向所述网络侧设备发送连接恢复请求消息；
    所述终端接收网络侧设备发送的第一指示信息，包括：
    所述终端接收所述网络侧设备发送的对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
  9. 一种通信操作执行方法，包括：
    网络侧设备向终端发送第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置执行第一操作，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
    其中，所述第一操作包括如下至少一项：
    进行层3切换；
    进行连接恢复；
    在所述目标配置为第一切换过程中保存的配置的情况下，进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
  10. 根据权利要求9所述的方法，其中，所述第一切换为层3切换，所述第二切换为CHO，或层1或层2触发的移动性LTM切换；
    或
    所述第一切换为CHO，所述第二切换为层3切换，或LTM切换；
    或
    所述第一切换为LTM切换，所述第二切换为层3切换，或CHO。
  11. 根据权利要求9或10所述的方法，其中，所述第一指示信息包括如下至少一项：
    所述目标配置的标识；
    所述目标小区的标识。
  12. 根据权利要求9-11中任一项所述的方法，其中，所述目标配置通过如下至少一项获取：
    切换命令；预配置的候选小区配置。
  13. 根据权利要求9-12中任一项所述的方法，其中，所述网络侧设备向终端发送第一指示信息之前，所述方法还包括：
    所述网络侧设备在第一切换过程中向所述终端发送第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
  14. 根据权利要求13所述的方法，其中，所述第二指示信息包括与所述目标配置关联的第一标识。
  15. 根据权利要求9-14中任一项所述的方法，其中，所述网络侧设备向终端发送第一指示信息之前，所述方法还包括：
    所述网络侧设备接收所述终端发送的连接恢复请求消息；
    所述网络侧设备向终端发送第一指示信息，包括：
    所述网络侧设备向终端发送对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
  16. 一种通信操作执行装置，包括：
    接收模块，用于接收网络侧设备发送的第一指示信息，所述第一指示信息用于指示终端应用保存的目标配置，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
    处理模块，用于执行第一操作；
    其中，所述第一操作包括如下至少一项：
    基于所述目标配置进行层3切换；
    基于所述目标配置进行连接恢复；
    在所述目标配置为第一切换过程中保存的配置的情况下，基于所述目标配置进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
  17. 根据权利要求16所述的装置，其中，所述接收模块还用于：在第一切换过程中接收所述网络侧设备发送的第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
  18. 根据权利要求16或17所述的装置，其中，所述装置还包括：
    发送模块，用于向所述网络侧设备发送连接恢复请求消息；
    所述接收模块具体用于：接收所述网络侧设备发送的对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
  19. 一种通信操作执行装置，包括：
    发送模块，用于向终端发送第一指示信息，所述第一指示信息用于指示所述终端应用保存的目标配置执行第一操作，或所述第一指示信息用于指示目标配置，所述目标配置为用于配置所述终端在目标小区工作的配置；
    其中，所述第一操作包括如下至少一项：
    进行层3切换；
    进行连接恢复；
    在所述目标配置为第一切换过程中保存的配置的情况下，进行第二切换，所述第一切换和所述第二切换的切换类型不同，所述第一切换和所述第二切换均用于触发接入所述目标小区。
  20. 根据权利要求19所述的装置，其中，所述发送模块还用于：
    在第一切换过程中向所述终端发送第二指示信息，所述第二指示信息用于指示所述终端保存所述目标配置，所述保存的目标配置用于连接恢复或后继切换。
  21. 根据权利要求19或20所述的装置，其中，所述装置还包括：
    接收模块，用于接收所述终端发送的连接恢复请求消息；
    所述发送模块具体用于：
    向终端发送对所述连接恢复请求消息的响应消息，其中，所述第一指示信息携带在所述响应消息中。
  22. 一种终端，包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1-8任一项所述的通信操作执行方法的步骤。
  23. 一种网络侧设备，包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求9-15任一项所述的通信操作执行方法的步骤。
  24. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1-8任一项所述的通信操作执行方法的步骤，或实现如权利要求9-15任一项所述的通信操作执行方法的步骤。
PCT/CN2025/094428 2024-05-16 2025-05-13 通信操作执行方法、装置、终端及网络侧设备 Pending WO2025237256A1 (zh)

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