WO2023102812A1 - Procédé de communication sans fil, dispositif terminal et dispositif de réseau - Google Patents

Procédé de communication sans fil, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2023102812A1
WO2023102812A1 PCT/CN2021/136713 CN2021136713W WO2023102812A1 WO 2023102812 A1 WO2023102812 A1 WO 2023102812A1 CN 2021136713 W CN2021136713 W CN 2021136713W WO 2023102812 A1 WO2023102812 A1 WO 2023102812A1
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Prior art keywords
configuration
information
cpc
cpa
candidate cell
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PCT/CN2021/136713
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English (en)
Chinese (zh)
Inventor
尤心
林雪
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Oppo广东移动通信有限公司
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Priority to CN202180102148.4A priority Critical patent/CN117917157A/zh
Priority to PCT/CN2021/136713 priority patent/WO2023102812A1/fr
Publication of WO2023102812A1 publication Critical patent/WO2023102812A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present application relate to the communication field, and more specifically, relate to a wireless communication method, a terminal device, and a network device.
  • the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) defines conditionally changing primary and secondary cells (Conditional PSCell Change, CPC), conditionally adding primary and secondary cells (Conditional PSCell Addition, CPA) and conditional handover ( Conditional HandOver, CHO).
  • CPC conditionally changing primary and secondary cells
  • CPA conditionally adding primary and secondary cells
  • conditional handover Conditional HandOver, CHO
  • the main idea of CPC is that the network device can configure the CPC configuration to the terminal device.
  • the CPC configuration includes: the configuration of multiple candidate Primary Secondary Cells (PScell) and the CPC execution conditions, and the terminal device can continuously monitor whether the candidate cells meet the CPC requirements. Execution condition, once there is a candidate cell that satisfies the CPC execution condition, the CPC process is executed, that is, the original PScell is changed to the candidate cell, and the CPC configuration is further released.
  • PScell Primary Secondary Cells
  • the network device can configure the CPA configuration to the terminal device.
  • the CPA configuration includes: the configuration of multiple candidate PScells and the CPA execution conditions.
  • the terminal device can continuously monitor whether the candidate cells meet the CPA execution conditions. If the cell satisfies the CPA execution condition, the CPA process is executed, that is, the candidate cell is used as a PScell, and the CPA configuration is further released.
  • the main idea of CHO is that the network device can configure the CHO configuration to the terminal device.
  • the CHO configuration includes: the configuration of multiple candidate cells and the CHO execution conditions. Once a candidate cell meets the CHO execution conditions, the CHO process will be executed, that is, the candidate cell As a target cell, the terminal device is handed over from the source cell to the target cell, and further releases the CHO configuration.
  • the terminal device will release the configuration corresponding to the process.
  • the network device needs to initiate the process again, the network device needs to configure the terminal device again, which will undoubtedly cause additional signaling overhead and communication delay; on the other hand, as the terminal device Mobile, if the CPC configuration, CPA configuration or CHO configuration corresponding to the terminal device has not changed, this may not be able to meet the mobility requirements of the terminal device.
  • Embodiments of the present application provide a wireless communication method, terminal equipment, and network equipment. On the one hand, additional signaling overhead and communication delay can be reduced; on the other hand, it can better meet the mobility requirements of the terminal equipment.
  • a wireless communication method including: receiving a first configuration and first information, the first configuration includes any of the following: CPC configuration, CPA configuration, CPAC configuration, CHO configuration, and the first information is used to determine the first Validity of a configuration; releasing the first configuration according to the first information.
  • a wireless communication method including: receiving first configuration and second information, the first configuration includes any of the following: CPC configuration, CPA configuration, CPAC configuration, CHO configuration, and the second information is used to indicate release The first configuration; releasing the first configuration according to the second information.
  • a wireless communication method including: sending a first configuration and first information, the first configuration includes any of the following: CPC configuration, CPA configuration, CPAC configuration, CHO configuration, and the first information is used to determine the first - Validity of the configuration.
  • a wireless communication method including: sending first configuration and second information, the first configuration includes any of the following: CPC configuration, CPA configuration, CPAC configuration, CHO configuration, and the second information is used to indicate release first configuration.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect, the second aspect or its implementable manner.
  • a sixth aspect provides a network device, including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above third aspect, fourth aspect or its implementable manner.
  • an apparatus for realizing the method in any one of the above-mentioned first aspect to the fourth aspect or each implementation manner thereof.
  • the device includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the device executes the method in any one of the above-mentioned first to fourth aspects or in each implementation manner thereof .
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in any one of the above-mentioned first to fourth aspects or in each implementation manner thereof.
  • a computer program product including computer program instructions, the computer program instructions cause a computer to execute the method in any one of the first to fourth aspects above or in each implementation manner thereof.
  • a computer program which, when running on a computer, causes the computer to execute the method in any one of the first to fourth aspects above or in each implementation manner thereof.
  • the technical solution of this application only releases when the first configuration is invalid.
  • the first configuration which can reduce additional signaling overhead and communication delay; on the other hand, if the terminal device moves a long distance, its first configuration may have become invalid, and the terminal device will release the first configuration, so that it can Better suited to the mobility requirements of terminal equipment.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is an interactive flowchart of a wireless communication method provided in an embodiment of the present application
  • FIG. 3 is an interaction flowchart of a wireless communication method provided in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a terminal device 400 provided in an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a terminal device 500 provided in an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a network device 600 provided in an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a network device 700 provided in an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a communication device 800 provided in an embodiment of the present application.
  • Fig. 9 is a schematic structural diagram of a device according to an embodiment of the present application.
  • Fig. 10 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application.
  • Embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system, NR system , the evolution system of the NR system, the LTE (LTE-based access to unlicensed spectrum, LTE-U) system on the unlicensed spectrum, the NR (NR-based access to unlicensed spectrum, NR-U) system on the unlicensed spectrum, the general Mobile communication system (Universal Mobile Telecommunication System, UMTS), wireless local area network (Wireless Local Area Networks, WLAN), wireless fidelity (Wireless Fidelity, WiFi), next generation communication system or other communication systems, etc.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Pack
  • the embodiment of the present application can be applied to a cell switching scenario, a terminal device is currently connected to a master node (Mastr Node, MN), and a secondary node (Secondary Node, SN) is to be added, or a dual connectivity (Dual Connectivity, DC) scenes, etc., but not limited thereto.
  • MN master node
  • SN secondary node
  • DC Dual Connectivity
  • the embodiment of the present application does not limit the applied frequency spectrum.
  • the embodiments of the present application may be applied to licensed spectrum, and may also be applied to unlicensed spectrum.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device for communicating with a terminal device 120 (or called a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographical area, and can communicate with terminal devices located in the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
  • the communication equipment may include a network equipment 110 and a terminal equipment 120 with communication functions.
  • the network equipment 110 and the terminal equipment 120 may be the specific equipment described above, and will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in this embodiment of the present application.
  • terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE user equipment
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • user agent or user device etc.
  • the terminal device can be a station (STAION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, and next-generation communication systems, such as terminal devices in NR networks or Terminal equipment in the future evolution of the Public Land Mobile Network (PLMN) network.
  • STAION, ST Session Initiation Protocol
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the network device can be a device used to communicate with mobile devices, and the network device can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a base station (BTS) in WCDMA.
  • the base station (NodeB, NB) can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or an access point, or a vehicle device, a wearable device, and a network device or base station in an NR network ( gNB) or network equipment in the future evolved PLMN network.
  • gNB NR network
  • the network device provides services for the cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell may be a network device (for example, The cell corresponding to the base station) can belong to the macro base station or the base station corresponding to the small cell (Small cell).
  • the small cell here can include: Metro cell, Micro cell, Pico cell cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • a CPC execution condition may include: one or two trigger conditions, the trigger condition is the following CPC events, but not limited thereto:
  • Event A3 The signal quality of the adjacent cell is higher than the signal quality of the PCell/PSCell by a certain offset
  • Event A5 The signal quality of PCell/PSCell is lower than an absolute threshold 1, and the signal quality of an adjacent cell/secondary cell (Secondary Cell, SCell) is higher than an absolute threshold 2;
  • a CPA execution condition may include: one or two trigger conditions, which are the following CPA events, but not limited to:
  • Event A4 The signal quality of the adjacent cell is higher than an absolute threshold
  • Event B1 The signal quality of the adjacent cell is higher than the specified threshold
  • a CHO execution condition may include: one or two trigger conditions, the trigger conditions are the following CHO events, but not limited thereto:
  • Conditionally event A3 the signal quality of the conditionally reconfigured PCell is higher than the signal quality of the PCell by a certain offset
  • Conditionally Event A5 The signal quality of the PCell is below an absolute threshold 1, and the signal quality of the reconfigured PCell is above an absolute threshold 2.
  • the CPC configuration includes the configuration of multiple candidate PSCells and the CPC execution conditions generated by the SN/MN.
  • An execution condition may contain one or two trigger conditions, only supports a single reference signal (Reference Signal, RS) type, and can configure up to two different trigger quantities at the same time (such as Reference Signal Received Power (Reference Signal Receiving Power, RSRP) , Reference Signal Receiving Quality (RSRQ), Reference Signal Received Power (Reference Signal Receiving Power, RSRP) and Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio, SINR) etc.), used to evaluate a single The CPC execution condition of the candidate PSCell.
  • Reference Signal Reference Signal Receiving Power
  • RSRQ Reference Signal Receiving Quality
  • SINR Signal to Interference plus Noise Ratio
  • the terminal device upon receipt of a PSCell change command or a PCell change command, performs the PSCell change procedure described in Sections 10.3 and 10.5 or the PCell change described in Section 9.2.3.2 of TS38.300 process, regardless of any previously received CPC configuration. After successfully completing the PSCell change procedure or the PCell change procedure, the terminal device releases all stored CPC configurations.
  • the terminal device releases all stored CPC configurations.
  • the terminal device releases the stored CPC configuration.
  • the MN decides to configure CPA for the terminal equipment, and sends an SN addition request to the candidate SN.
  • the MN After receiving the SN addition request feedback confirmation of the candidate SN, the MN sends the CPA configuration to the terminal device, including a CPA configuration message (RRCConnectionReconfiguration message), including the candidate SN configuration and corresponding execution conditions.
  • a CPA configuration message (RRCConnectionReconfiguration message)
  • the terminal device evaluates the configured execution conditions. If the execution conditions of a candidate PSCell are satisfied, the terminal device sends a reconfiguration complete message to the PScell, wherein the terminal device can send the reconfiguration complete message to the MN, and the MN sends the message Forward to SN.
  • the terminal device initiates a synchronization process, that is, a random access process, to the PScell.
  • the CHO configuration includes the configuration of the candidate cell generated by the candidate gNB and the execution conditions of the generation by the source gNB.
  • An execution condition can consist of one or two trigger conditions. Only one RS type is supported, and at most two different triggers (such as RSRP and RSRQ, RSRP and SINR, etc.) can be configured at the same time to evaluate the CHO implementation of a single candidate cell.
  • the terminal device executes the HO procedure described in Section 9.2.3.2 of TS38.300 .
  • the terminal device When performing CHO, ie from when the terminal device starts to synchronize with the target cell, the terminal device does not monitor the source cell.
  • Fig. 2 is an interactive flow chart of a wireless communication method provided by the embodiment of the present application. As shown in Fig. 2, the method includes:
  • the network device sends the first configuration and the first information to the terminal device, the first configuration includes any of the following: CPC configuration, CPA configuration, conditional addition and change of primary and secondary cell (Conditional PSCell Addition Change, CPAC) configuration, CHO configuration, the first information is used to determine the validity of the first configuration;
  • S220 The terminal device releases the first configuration according to the first information.
  • the first configuration includes: configuration and execution conditions of at least one candidate cell. For example: assuming that the first configuration is CPC configuration, then the configuration of at least one candidate cell refers to the configuration of at least one PScell, and the execution condition is the CPC execution condition; assuming that the first configuration is CPA configuration, then the configuration of at least one candidate cell refers to It is the configuration of at least one PScell, and the execution condition is the CPA execution condition; assuming that the first configuration is CPAC configuration, that is, the CPAC configuration is a common set of configurations for the CPA process and the CPC process. In actual execution, CPA can be executed first.
  • the configuration of at least one candidate cell included in the CPAC configuration refers to the configuration of at least one PScell, and the execution condition is the CPAC execution condition; assuming that the first configuration is CHO configuration, then the configuration of at least one candidate cell It refers to the configuration of at least one Pcell, and the execution condition is the CHO execution condition.
  • the first configuration further includes: activation or inactivation status information corresponding to at least one candidate cell.
  • the configuration of at least one candidate cell includes at least one of the following: each candidate cell Radio resource bearer configuration, protocol stack configuration, and security key related configuration.
  • the configuration of the candidate cell may include at least one of the following, but is not limited thereto: an identifier of the candidate cell, a new cell radio network temporary identifier (Cell Radio Network Temporary Identifier, C-RNTI), a network device corresponding to the candidate cell Security algorithm identification, dedicated Random Access Channel (Random Access CHannel, RACH), RACH resources and the relationship between Single Side Band (Single Side Band, SSB), RACH resources and UE-specific channel state information-reference signal (channel State information-Reference Signal, CSI-RS) configuration relationship, common RACH resources and system information corresponding to candidate cells, etc.
  • C-RNTI Cell Radio Network Temporary Identifier
  • C-RNTI Cell Radio Network Temporary Identifier
  • C-RNTI Cell Radio Network Temporary Identifier
  • RACH dedicated Random Access Channel
  • SSB Single Side Band
  • CSI-RS channel State information-Reference Signal
  • the first configuration is a full configuration.
  • the configurations of the candidate cells in the first configuration are all absolute configurations, and the first information may also be an absolute value.
  • the first configuration is an incremental configuration relative to a reference configuration
  • the reference configuration may be a configuration of a source cell, a configuration of an SN setting, or a configuration of a primary and secondary cell, but is not limited thereto.
  • the first information is timer configuration information.
  • the network device may predict a time range within which the terminal device should not need to update the CPC configuration, CPAC configuration, CPA configuration or CHO configuration, and set the time range as the running duration of the timer.
  • the network device may send the first configuration and the first information separately, or send the first configuration and the first information together.
  • the network device may carry the first configuration and the first information in a message sent to the terminal device.
  • the start/restart condition of the timer includes receiving the first configuration and/or the first information.
  • the stop condition of the timer includes at least one of the following:
  • a traditional switching command or other unconditional switching command is received, such as a dual active protocol stack (Dual Active Protocol Stack, DAPS) switching command.
  • DAPS Dual Active Protocol Stack
  • the terminal device stops using the first configuration, which means that the first configuration is invalid, and further, the terminal device may release the first configuration.
  • the terminal device may release the first configuration.
  • the terminal device may restart the timer.
  • the first configuration received by the terminal device again is different from the first configuration received by the terminal device in S210, and correspondingly, the first information received twice by the terminal device is also different.
  • the first information received twice by the terminal device is also different. For example, assuming that the first If the configuration is a CPC configuration, then the CPC configurations received twice by the terminal device are different, and correspondingly, the first information corresponding to the CPC configurations received twice is also naturally different.
  • the first information is any of the following, but not limited thereto:
  • the maximum allowable success times of CPC, CPA, CPAC or CHO are performed, and the maximum allowable success times are positive integers;
  • the first information may be predefined by a standard, and of course may also be configured by a network device, which is not limited in this application.
  • the maximum allowed times may be the maximum allowed times for which there is at least one candidate cell that satisfies the execution condition and the terminal device executes CPC, CPA, CPAC or CHO.
  • the maximum allowed number of successes may be the maximum allowed number of successful random accesses.
  • the maximum allowed number of failures may be the maximum allowed number of random access failures.
  • the terminal device when it determines that at least one candidate cell satisfies the execution condition corresponding to the first configuration, it can execute CPC, CPA, CPAC or CHO, for example: the terminal device can continuously monitor whether the candidate cell satisfies the CPC execution condition, Once a candidate cell satisfies the CPC execution condition, the CPC process is executed, that is, the original PScell is changed to the candidate cell. Alternatively, the terminal device may continuously monitor whether a candidate cell satisfies the CPA execution condition, and once a candidate cell satisfies the CPA execution condition, the CPA process is executed, that is, the candidate cell is added as a PScell.
  • the terminal device can determine the actual times of CPC, CPA, CPAC or CHO.
  • the first information includes: the maximum allowable number of CPC, CPA, CPAC or CHO
  • the actual number of CPC, CPA, CPAC or CHO determined by the terminal device according to the first configuration is greater than the The maximum allowable number of times indicates that the first configuration is invalid; on the contrary, when the actual number of CPC, CPA, CPAC or CHO determined by the terminal device according to the first configuration is less than or equal to the maximum allowable number of times, it indicates that the first configuration is valid.
  • the first information includes: the maximum allowable number of successes of CPC, CPA, CPAC or CHO
  • the actual number of times of CPC, CPA, CPAC or CHO determined by the terminal device according to the first configuration is greater than
  • the maximum allowable number of successes it indicates that the first configuration is invalid; on the contrary, when the actual number of CPC, CPA, CPAC or CHO determined by the terminal device according to the first configuration is less than or equal to the maximum allowable number of successes, it indicates that the first configuration efficient.
  • the first information includes: the maximum allowable failure times of CPC, CPA, CPAC or CHO
  • the actual number of CPC, CPA, CPAC or CHO determined by the terminal device according to the first configuration is greater than
  • the maximum allowable number of failures it means that the first configuration is invalid; on the contrary, when the actual number of CPC, CPA, CPAC or CHO determined by the terminal device according to the first configuration is less than or equal to the maximum allowed number of failures, it means that the first configuration efficient.
  • the terminal device determines that the first configuration is invalid , the terminal device may release the first configuration.
  • the first information includes: at least one signal quality threshold
  • the first configuration includes: a configuration of at least one candidate cell; where there is a correspondence between the configuration of the candidate cell and the signal quality threshold.
  • the signal quality here can be measured by at least one of RSRP, RSRP, RSRQ and SINR.
  • At least one signal quality threshold may be an absolute threshold involved in a CPC event, or an absolute threshold involved in a CPA event, or an absolute threshold involved in a CHO event, which is not limited in the present application .
  • the correspondence between configurations of candidate cells and signal quality thresholds is a one-to-one correspondence or a many-to-one correspondence. For example: suppose there are 5 candidate cell configurations, and each candidate cell configuration corresponds to a signal quality threshold, and these signal quality thresholds are different. Same signal quality threshold. Another example: assume that there are 5 candidate cell configurations, among these candidate cells, the configurations of 3 candidate cells correspond to a signal quality threshold, and the configurations of the other 2 candidate cells correspond to a signal quality threshold.
  • the terminal device determines that the first configuration is invalid, and N is a positive integer, where N can be It is predefined by a standard, or is configured by a network device, which is not limited in this application.
  • the terminal device determines that the first configuration is invalid.
  • the terminal device may release the first configuration when the signal quality of at least N candidate cells is lower than a corresponding signal quality threshold, that is, when the terminal device determines that the first configuration is invalid.
  • the terminal device may determine that the first candidate cell The configuration of the candidate cell is invalid. Further, when the terminal device determines that the configuration of the first candidate cell is invalid, it may release the configuration of the first candidate cell.
  • the terminal device can release the first configuration according to the first information, for example: when it is determined that the first configuration is invalid according to the first information, release the first configuration; When the information confirms that the first configuration is valid, execute CPC, CPA, CPAC or CHO.
  • the terminal device must release the corresponding configuration each time after executing CPC, CPA, CPAC or CHO.
  • the technology of this application releases the first configuration only when the first configuration is invalid.
  • the first configuration can be used continuously for many times, which can reduce the additional signaling overhead and communication delay; on the other hand, if the terminal device moves If the distance is long, the first configuration may be invalid. At this time, the terminal device will release the first configuration, so that it can be better adapted to the mobility requirements of the terminal device.
  • Fig. 3 is an interactive flow chart of a wireless communication method provided in the embodiment of the present application. As shown in Fig. 3, the method includes:
  • the network device sends the first configuration and second information to the terminal device, the first configuration includes any of the following: CPC configuration, CPA configuration, CPAC configuration, and CHO configuration, and the second information is used to indicate release of the first configuration;
  • S320 The terminal device releases the first configuration according to the second information.
  • the second information is carried in a radio resource control (Radio Resource Control, RRC) message, a media access control element (Media Access Control Control Element, MAC CE) or a downlink control information (Downlink Control Information, DCI) in, but not limited to.
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • DCI Downlink Control Information
  • the terminal device may send auxiliary information to the network device; where the auxiliary information is used to assist the network device in determining whether to release the first configuration, the The auxiliary information may be a signal measurement result.
  • the signal measurement result may be a channel measurement result of the terminal device on the cell where it is currently camping.
  • the network device compares the channel measurement result with a corresponding threshold. If the channel measurement result is lower than the The corresponding threshold, then the network device may send the second information to the terminal device, that is, release the first configuration.
  • the terminal device may send indication information to the network device; where the indication information is used to indicate that the first configuration has been released.
  • the terminal device may also trigger the network device to update the first configuration.
  • the terminal device can release the first configuration according to the second information.
  • the terminal device must release the corresponding configuration every time it executes CPC, CPA, CPAC or CHO.
  • the technical solution of the present application releases the first configuration only when the first configuration is invalid, for example: the first configuration can be used continuously for multiple times, thereby reducing additional signaling overhead and communication delay; on the other hand, if The terminal device moves a long distance, and its first configuration may be invalid. At this time, the terminal device releases the first configuration, so that it can better meet the mobility requirements of the terminal device.
  • FIG. 4 is a schematic diagram of a terminal device 400 provided in an embodiment of the present application.
  • the terminal device 400 includes: a communication unit 410 and a processing unit 420, wherein the communication unit 410 is configured to: receive the first configuration and The first information, the first configuration includes any of the following: CPC configuration, CPA configuration, CPAC configuration, CHO configuration, the first information is used to determine the validity of the first configuration; the processing unit 420 is used to process the first configuration according to the first information The configuration is released.
  • the first information is timer configuration information.
  • the start condition of the timer includes receiving the first configuration and/or the first information.
  • the first information is any of the following:
  • the processing unit 420 is further configured to: determine the actual number of CPC, CPA, CPAC or CHO performed according to the first configuration; when the actual number of times is greater than the maximum allowed number of times or the maximum allowed number of successes or the maximum number of allowed failures , it is determined that the first configuration is invalid.
  • the first information is standard predefined.
  • the first information includes: at least one signal quality threshold
  • the first configuration includes: a configuration of at least one candidate cell; where there is a correspondence between the configuration of the candidate cell and the signal quality threshold.
  • the correspondence between configurations of candidate cells and signal quality thresholds is a one-to-one correspondence or a many-to-one correspondence.
  • the processing unit 420 is further configured to: determine that the first configuration is invalid when the signal quality of at least N candidate cells is lower than a corresponding signal quality threshold, where N is a positive integer.
  • the processing unit 420 is specifically configured to: release the first configuration when determining that the first configuration is invalid according to the first information.
  • the processing unit 420 is further configured to: determine that the configuration of the first candidate cell is invalid when the signal quality of the first candidate cell is less than a corresponding signal quality threshold; wherein, the first candidate cell is at least one candidate cell any of the candidate cells.
  • the processing unit 420 is specifically configured to: release the configuration of the first candidate cell when it is determined that the configuration of the first candidate cell is invalid.
  • the first configuration includes: configuration of at least one candidate cell, and CPC, CPA, CPAC or CHO execution conditions.
  • the first configuration further includes: activation or inactivation state information corresponding to at least one candidate cell.
  • the configuration of at least one candidate cell includes at least one of the following: radio resource bearer configuration, protocol stack configuration, and security key related configuration of each candidate cell.
  • the first configuration is a full configuration or an incremental configuration relative to a reference configuration.
  • the reference configuration is any one of the following: configuration of the source cell, configuration of secondary node settings, configuration of primary and secondary cells.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 400 may correspond to the terminal device in the method embodiment corresponding to FIG.
  • the corresponding process of the terminal device in the method embodiment is not repeated here.
  • FIG. 5 is a schematic diagram of a terminal device 500 provided in an embodiment of the present application.
  • a communication unit 510 and a processing unit 520 wherein the communication unit 510 is used to receive the first configuration and the second information, and the first configuration Including any of the following: CPC configuration, CPA configuration, CPAC configuration, CHO configuration, the second information is used to indicate release of the first configuration; the processing unit 520 is configured to release the first configuration according to the second information.
  • the second information is carried in the RRC message, MAC CE or DCI.
  • the communication unit 510 is further configured to send auxiliary information to the network device; where the auxiliary information is used to assist the network device in determining whether to release the first configuration.
  • the communication unit 510 is further configured to send indication information to the network device; where the indication information is used to indicate that the first configuration has been released.
  • the first configuration includes: configuration of at least one candidate cell, and CPC, CPA, CPAC or CHO execution conditions.
  • the first configuration further includes: activation or inactivation state information corresponding to at least one candidate cell.
  • the configuration of at least one candidate cell includes at least one of the following: radio resource bearer configuration, protocol stack configuration, and security key related configuration of each candidate cell.
  • the first configuration is a full configuration or an incremental configuration relative to a reference configuration.
  • the reference configuration is any of the following: configuration of the source cell, configuration of secondary node settings, configuration of primary and secondary cells.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 500 may correspond to the terminal device in the method embodiment corresponding to FIG.
  • the corresponding process of the terminal device in the method embodiment is not repeated here.
  • FIG. 6 is a schematic diagram of a network device 600 provided by an embodiment of the present application.
  • the network device 600 includes a communication unit 610 for sending a first configuration and first information, and the first configuration includes any of the following Items: CPC configuration, CPA configuration, CPAC configuration, CHO configuration, the first information is used to determine the validity of the first configuration.
  • the first information is timer configuration information.
  • the start condition of the timer includes receiving the first configuration and/or the first information.
  • the first information is any of the following:
  • the first information is standard predefined.
  • the first information includes: at least one signal quality threshold
  • the first configuration includes: a configuration of at least one candidate cell; where there is a correspondence between the configuration of the candidate cell and the signal quality threshold.
  • the correspondence between configurations of candidate cells and signal quality thresholds is a one-to-one correspondence or a many-to-one correspondence.
  • the first configuration includes: configuration of at least one candidate cell, and CPC, CPA, CPAC or CHO execution conditions.
  • the first configuration further includes: activation or inactivation state information corresponding to at least one candidate cell.
  • the configuration of at least one candidate cell includes at least one of the following: radio resource bearer configuration, protocol stack configuration, and security key related configuration of each candidate cell.
  • the first configuration is a full configuration or an incremental configuration relative to a reference configuration.
  • the reference configuration is any one of the following: configuration of the source cell, configuration of secondary node settings, configuration of primary and secondary cells.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the network device 600 may correspond to the network device in the method embodiment corresponding to FIG.
  • the corresponding flow of the network device in the method embodiment is not repeated here.
  • Fig. 7 is a schematic diagram of a network device 700 provided by the embodiment of the present application.
  • the network device 700 includes: a communication unit 710, configured to send the first configuration and the second information, the first configuration includes any of the following One item: CPC configuration, CPA configuration, CPAC configuration, and CHO configuration, and the second information is used to indicate to release the first configuration.
  • the second information is carried in the RRC message, MAC CE or DCI.
  • the communication unit 710 is further configured to: receive auxiliary information sent by the terminal device; where the auxiliary information is used to assist the network device in determining whether to release the first configuration.
  • the communication unit 710 is further configured to: receive indication information sent by the terminal device; where the indication information is used to indicate that the first configuration has been released.
  • the first configuration includes: configuration of at least one candidate cell, and CPC, CPA, CPAC or CHO execution conditions.
  • the first configuration further includes: activation or inactivation state information corresponding to at least one candidate cell.
  • the configuration of at least one candidate cell includes at least one of the following: radio resource bearer configuration, protocol stack configuration, and security key related configuration of each candidate cell.
  • the first configuration is a full configuration or an incremental configuration relative to a reference configuration.
  • the reference configuration is any of the following: configuration of the source cell, configuration of secondary node settings, and configuration of the primary and secondary cells.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the network device 700 may correspond to the network device in the method embodiment corresponding to FIG.
  • the corresponding processes of the network device in the method embodiment are not described here again.
  • FIG. 8 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
  • the communication device 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 800 may further include a memory 820 .
  • the processor 810 can call and run a computer program from the memory 820, so as to implement the method in the embodiment of the present application.
  • the memory 820 may be an independent device independent of the processor 810 , or may be integrated in the processor 810 .
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 810 may control the transceiver 830 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include antennas, and the number of antennas may be one or more.
  • the communication device 800 may specifically be the network device of the embodiment of the present application, and the communication device 800 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 800 may specifically be a terminal device in the embodiment of the present application, and the communication device 800 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • Fig. 9 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 900 shown in FIG. 9 includes a processor 910, and the processor 910 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the device 900 may further include a memory 920 .
  • the processor 910 can invoke and run a computer program from the memory 920, so as to implement the method in the embodiment of the present application.
  • the memory 920 may be an independent device independent of the processor 910 , or may be integrated in the processor 910 .
  • the device 900 may further include an input interface 930 .
  • the processor 910 can control the input interface 930 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the device 900 may further include an output interface 940 .
  • the processor 910 can control the output interface 940 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the device can be applied to the network device in the embodiment of the present application, and the device can implement the corresponding process implemented by the network device in each method of the embodiment of the present application, and for the sake of brevity, details are not repeated here.
  • the device can be applied to the terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the device can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it may be a system-on-a-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
  • Fig. 10 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application. As shown in FIG. 10 , the communication system 1000 includes a terminal device 1010 and a network device 1020 .
  • the terminal device 1010 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 1020 can be used to realize the corresponding functions realized by the network device or the base station in the above method. Let me repeat.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device or the base station in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device or the base station in the methods of the embodiments of the present application, for It is concise and will not be repeated here.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application , for the sake of brevity, it is not repeated here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device or the base station in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device or the base station in the methods of the embodiments of the present application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the network device or the base station in the methods of the embodiments of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods of the embodiments of the present application, For the sake of brevity, details are not repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device or the base station in the embodiments of the present application.
  • the computer program executes the corresponding functions implemented by the network device or the base station in the methods of the embodiments of the present application. For the sake of brevity, the process will not be repeated here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program executes each method in the embodiment of the present application to be implemented by the mobile terminal/terminal device
  • the corresponding process will not be repeated here.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente demande concernent un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau. Le procédé comprend : la réception d'une première configuration et de premières informations, la première configuration comprenant l'une quelconque d'une configuration CPC, d'une configuration CPA, d'une configuration CPAC et d'une configuration CHO, et les premières informations étant utilisées pour déterminer la validité de la première configuration; et la libération de la première configuration en fonction des premières informations. D'une part, un surdébit de signalisation supplémentaire et un retard de communication peuvent être réduits, et d'autre part, les exigences de mobilité d'un dispositif terminal peuvent être mieux adaptées.
PCT/CN2021/136713 2021-12-09 2021-12-09 Procédé de communication sans fil, dispositif terminal et dispositif de réseau WO2023102812A1 (fr)

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CN202180102148.4A CN117917157A (zh) 2021-12-09 2021-12-09 无线通信方法、终端设备及网络设备
PCT/CN2021/136713 WO2023102812A1 (fr) 2021-12-09 2021-12-09 Procédé de communication sans fil, dispositif terminal et dispositif de réseau

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CN109803424A (zh) * 2017-11-17 2019-05-24 华为技术有限公司 一种资源调度方法及相关设备
WO2021066018A1 (fr) * 2019-10-03 2021-04-08 Sharp Kabushiki Kaisha Configurations d'ajout/modification de cellule secondaire primaire conditionnelle
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WO2021066018A1 (fr) * 2019-10-03 2021-04-08 Sharp Kabushiki Kaisha Configurations d'ajout/modification de cellule secondaire primaire conditionnelle
CN113382421A (zh) * 2020-03-09 2021-09-10 华为技术有限公司 通信方法及装置
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