WO2022246697A1 - Procédé de rapport d'informations, dispositif terminal et dispositif de réseau - Google Patents

Procédé de rapport d'informations, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2022246697A1
WO2022246697A1 PCT/CN2021/096114 CN2021096114W WO2022246697A1 WO 2022246697 A1 WO2022246697 A1 WO 2022246697A1 CN 2021096114 W CN2021096114 W CN 2021096114W WO 2022246697 A1 WO2022246697 A1 WO 2022246697A1
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WIPO (PCT)
Prior art keywords
threshold
terminal device
information
measurement reporting
indication information
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PCT/CN2021/096114
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English (en)
Chinese (zh)
Inventor
刘洋
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Oppo广东移动通信有限公司
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Priority to CN202180090569.XA priority Critical patent/CN116848887A/zh
Priority to PCT/CN2021/096114 priority patent/WO2022246697A1/fr
Publication of WO2022246697A1 publication Critical patent/WO2022246697A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the embodiment of the present application relates to the communication field, and more specifically, relates to a method for reporting information, a terminal device, and a network device.
  • a dual active protocol stack (DAPS) is introduced to optimize the handover process to reduce the handover process. interruption time.
  • DAPS dual active protocol stack
  • An embodiment of the present application provides a method for reporting information, a terminal device, and a network device.
  • the terminal device can report whether the terminal device has received information indicating to release the source cell when RLF occurs between the terminal device and the target cell. Therefore, Network devices can more reasonably adjust the threshold of measurement reporting events, thereby ensuring the validity of subsequent DAPS switching configurations and optimizing DAPS switching.
  • a method for reporting information includes:
  • the terminal device sends first information; where the first information includes first indication information, and the first indication information is used to indicate whether the terminal device receives an instruction to indicate release when RLF occurs between the terminal device and the target cell. source cell information.
  • a method for reporting information includes:
  • the network device receives the first information sent by the terminal device; wherein the first information includes first indication information, and the first indication information is used to indicate whether the terminal device receives the RLF when RLF occurs between the terminal device and the target cell. Information used to indicate the release source cell.
  • a terminal device configured to execute the method in the first aspect above.
  • the terminal device includes a functional module for executing the method in the first aspect above.
  • a network device configured to execute the method in the second aspect above.
  • the network device includes a functional module for executing the method in the second aspect above.
  • 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 above.
  • 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 second aspect above.
  • an apparatus for implementing the method in any one of the first aspect to the second aspect above.
  • the device includes: a processor, configured to invoke 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 first to second aspects.
  • 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 aspect to the second aspect.
  • a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above first to second aspects.
  • a computer program which, when running on a computer, causes the computer to execute the method in any one of the above first to second aspects.
  • the terminal device can report whether the terminal device has received information indicating to release the source cell when RLF occurs between the terminal device and the target cell, so that the network device can more reasonably adjust the threshold for measuring and reporting events, and then Ensure the effectiveness of subsequent DAPS switching configurations and optimize DAPS switching.
  • FIG. 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
  • Fig. 2 is a schematic flowchart of a DAPS handover provided by the present application.
  • Fig. 3 is a schematic diagram of a premature handover provided by the present application.
  • Fig. 4 is a schematic flowchart of a method for reporting information according to an embodiment of the present application.
  • FIG. 5 to FIG. 9 are respectively schematic diagrams of premature switching provided by the embodiments of the present application.
  • Fig. 10 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Fig. 11 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • Fig. 12 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Fig. 13 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
  • Fig. 14 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, broadband 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 , New Radio (NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) on unlicensed spectrum unlicensed spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunications System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (Wireless Fidelity, WiFi), fifth-generation communication (5th-Generation, 5G) system or other communication systems, etc.
  • GSM Global System of Mobile
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and can also be applied to an independent (Standalone, SA ) meshing scene.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent meshing scene
  • the communication system in the embodiment of the present application can be applied to an unlicensed spectrum, where the unlicensed spectrum can also be considered as a shared spectrum; or, the communication system in the embodiment of the present application can also be applied to a licensed spectrum, Wherein, the licensed spectrum can also be regarded as a non-shared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the 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.
  • user equipment User Equipment, UE
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • wireless communication device user agent or user device
  • the terminal device can be a station (STATION, ST) in a 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 assistant (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, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • a virtual reality (Virtual Reality, VR) terminal device an augmented reality (Augmented Reality, AR) terminal Equipment
  • wireless terminal equipment in industrial control wireless terminal equipment in self driving
  • wireless terminal equipment in remote medical wireless terminal equipment in smart grid
  • wireless terminal equipment in transportation safety wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • 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 may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network A network device or a base station (gNB) in a network device or a network device in a future evolved PLMN network or a network device in an NTN network.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolution
  • eNB evolved base station
  • gNB base station
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network equipment may be a satellite, balloon station.
  • the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
  • the network device may also be a base station installed on land, in water, or other locations.
  • the network device may provide services for a 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, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico 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.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • 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 embodiment of the present application does not limit it.
  • 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.
  • 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.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
  • predefined or “preconfigured” can be realized by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • the application does not limit its specific implementation.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which is not limited in the present application.
  • a DAPS optimization method for reducing interruption time during handover is proposed.
  • the main idea is that UE will At the same time, the protocol stacks of the source cell and the target cell are maintained. After receiving the DAPS handover command, the UE maintains the connection of the source cell and initiates a synchronization process to the target cell. When the synchronization process/random access is completed, the UE will switch the uplink data, that is to say, the uplink data transmission of the UE will be switched from the source base station side to the target base station side after the random access.
  • the release of the protocol stack of the source base station after random access is based on the explicit indication of the network, that is to say, during the period from random access to release of the source test connection, the UE can normally receive the downlink data sent by the source cell, and can Send the uplink feedback related information of the downlink data to the source cell.
  • the UE will keep monitoring the radio link of the source cell. If the DAPS handover fails at this time, the UE fails to access the target cell, and the source cell does not have a radio link failure, the UE can Return to the connection with the source cell, thereby avoiding the re-establishment process of the radio resource control (Radio Resource Control, RRC) connection caused by the handover failure.
  • RRC Radio Resource Control
  • the DAPS switching can be realized through the following steps S1 to S16.
  • the Access and Mobility Management Function (AMF) entity provides mobility control information
  • the source gNB decides to switch
  • the source gNB sends a handover request to the target gNB;
  • the target gNB performs admission control
  • the target gNB sends a handover request acknowledgment (Acknowledgment, ACK) to the source gNB;
  • the source gNB sends a DAPS handover command to the UE;
  • the source gNB sends a sequence number (sequence number, SN) state transition to the target gNB;
  • the UE sends an RRC reconfiguration complete message to the target gNB;
  • the target gNB sends a DAPS source release (daps-SourceRelease) message to the UE;
  • the UE sends a source cell release message to the source gNB;
  • the target gNB sends a path switching request to the AMF entity
  • the AMF entity sends a path switching request confirmation to the target gNB;
  • the target gNB sends a UE context release message to the source gNB.
  • daps-SourceRelease is sent by the target gNB to the UE after the handover is completed, and is used to notify the UE that the connection with the source gNB can be released.
  • the premature switching may specifically include at least some of the following content:
  • the terminal fails to handover during the process of accessing the target base station or a radio link failure (Radio Link Failure, RLF) occurs on the target base station after the handover is successfully completed;
  • RLF Radio Link Failure
  • the terminal selects the source cell after the cell selection process, and initiates the reconstruction process
  • the terminal After the reconstruction is completed, the terminal sends the RLF report to the source base station;
  • the source base station finds that this is a problem of premature handover (judgment reason: 1.
  • the timer reported by the terminal is less than the configured threshold, and the first re-establishment attempt cell is the cell serving the terminal at the time of the last handover initialization, or the terminal The cell trying to reconnect is the cell serving the terminal at the time of the last handover initialization; 2.
  • the failed primary cell ID (failedPCellID) in the RLF report is set to the ID of the source cell, and the connection failure type (connectionFailureType) value is set to 'hof' , or failedPCellID is set to the ID of the target cell, and the value of connectionFailureType is set to 'rlf');
  • the source base station changes the threshold setting of the measurement target corresponding to the terminal measurement report event.
  • the terminal After the timer 304 (T304) expires, the terminal will store the RLF report related to the handover failure (HOF) or after successfully accessing the target cell, because the timer (T310) expires and other reasons, the terminal will RLF. Afterwards, the terminal initiates a reconstruction process for a certain cell. After the reconstruction is completed or the RRC connection is established, the terminal will send the relevant RLF report of the last HOF failure to the rebuilt cell:
  • the terminal carries available RLF information (rlf-InfoAvailable) in the RRC signaling such as message 5 (message5, msg5) RRCReestablishmentComplete (RRCReestablishmentComplete) message to inform the network terminal that there is a wireless link in the variable RLF report (varRLF-Report) Failure or switching failure information.
  • RLF information rlf-InfoAvailable
  • message 5 messagessage5, msg5
  • RRCReestablishmentComplete RRCReestablishmentComplete
  • variable RLF report variable RLF report
  • the network will send RRC: terminal information request (UEInformationRequest) signaling to the terminal, wherein the RLF report request (rlf-ReportReq) is set to a true value.
  • UEInformationRequest terminal information request
  • rlf-ReportReq RLF report request
  • the terminal reports RRC: UEinformationResponse signaling to the network, where rlf-Report is set to the value stored in the terminal variable varRLF-Report.
  • the reference signal received power of the source cell obtained before the UE discovers RLF based on the available synchronization signal block (Synchronization Signal Block, SSB) and channel state information reference signal (Channel State Information Reference Signal, CSI-RS) measurement (Reference Signal Received Power, RSRP), Reference Signal Received Quality (Reference Signal Received Quality, RSRQ) and Signal to Interference plus Noise Ratio (SINR): the measurement result of the last serving cell (measResultLastServCell);
  • SSB Synchroms Reference Signal Block
  • CSI-RS Channel State Information Reference Signal
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • SINR Signal to Interference plus Noise Ratio
  • Connection failure time the time between when the last handover (handover, HO) occurs and the connection failure (terminal reported timer (UE reported timer));
  • the previous primary cell identifier (previousPCellId) (source cell ID);
  • connection failure type is set to hof (handover failure).
  • the terminal When the following A3-1 condition is met, the terminal considers entering the A3 event; when the following A3-2 condition is met, the terminal considers leaving the A3 event.
  • Mp, Ofp and Ocp use special cells (Special Cell, SpCell).
  • the cell triggering the event has a reference signal indicated in the NR measurement object (measObjectNR) associated with this event, which may be different from the measObjectNR in the NR SpCell.
  • measObjectNR NR measurement object
  • Mn is the measurement result of the neighboring cell, without considering any offset
  • the specific offset of the measurement object of the reference signal of the neighboring cell for example, the offset MO defined in the NR measurement object (measObjectNR) corresponding to the neighboring cell;
  • Ocn is the cell-specific offset of the neighboring cell (for example, the cell-specific offset (cellIndividualOffset) corresponding to the frequency of the neighboring cell defined in the NR measurement object (measObjectNR)), if this parameter is not configured in the neighboring cell, it defaults to 0;
  • Mp is the measurement result of SpCell without considering any offset
  • Ocp is the cell-specific offset of SpCell (for example, the cell-specific offset (cellIndividualOffset) defined in the NR measurement object (measObjectNR) corresponding to the frequency of SpCell), if this parameter is not configured in SpCell, it defaults to 0;
  • Hys is the hysteresis parameter of the A3 event (for example, the hysteresis parameter defined in the NR configuration report (reportConfigNR) of the A3 event);
  • Off is the offset parameter of the A3 event (for example, the a3 offset defined in the NR configuration report (reportConfigNR) of the A3 event);
  • Mn and Mp are represented by dBm in RSRP, and Mn and Mp are represented by dB in RSRQ and SINR;
  • Ocn, Ofp, Ocp, Hys, Off are represented by dB.
  • the terminal When the following conditions A5-1 and A5-2 are met at the same time, the terminal considers entering the A5 event; when the following A5-3 or A5-4 conditions are met, the terminal considers leaving the A5 event.
  • Mp uses SpCell.
  • Mp is the measurement result of SpCell without considering any offset
  • Mn is the measurement result of the neighboring cell, without considering any offset
  • the specific offset of the measurement object of the reference signal of the neighboring cell for example, the offset MO defined in the NR measurement object (measObjectNR) corresponding to the neighboring cell;
  • Ocn is the cell-specific offset of the neighboring cell (for example, the cell-specific offset (cellIndividualOffset) corresponding to the frequency of the neighboring cell defined in the NR measurement object (measObjectNR)), if this parameter is not configured in the neighboring cell, it defaults to 0;
  • Hys is the hysteresis parameter of the A5 event (for example, the hysteresis parameter defined in the NR configuration report (reportConfigNR) of the A5 event);
  • Thresh1 is the threshold parameter in the A5 event (for example, a5-Threshold1 defined in the NR configuration report (reportConfigNR) of the A5 event);
  • Thresh2 is the threshold parameter in the A5 event (for example, a5-Threshold2 defined in the NR configuration report (reportConfigNR) of the A5 event);
  • Mn and Mp are represented by dBm in RSRP, and Mn and Mp are represented by dB in RSRQ and SINR;
  • Thresh1 is expressed in the same way as Mp;
  • Thresh2 is expressed in the same way as Mn.
  • the terminal After the terminal successfully performs handover to the target base station, and does not report whether it has received the DAPS source release message (daps-sourceRelease), if RLF occurs in the connection to the target base station, the network cannot use the RLF report sent by the terminal. It is known whether the degree of the threshold in the A3 event or the A5 event that needs to be adjusted is large or small.
  • this application proposes an information reporting scheme.
  • the terminal device can report whether the terminal device has received information indicating to release the source cell when RLF occurs between the terminal device and the target cell, so that the network device can update Reasonably adjust the threshold of measurement and reporting events, thereby ensuring the effectiveness of subsequent DAPS switching configurations and optimizing DAPS switching.
  • Fig. 4 is a schematic flowchart of a method 200 for reporting information according to an embodiment of the present application. As shown in Fig. 4, the method 200 may include at least some of the following contents:
  • the terminal device sends first information; where the first information includes first indication information, and the first indication information is used to indicate whether the terminal device receives the Information indicating the release source cell;
  • the network device receives the first information sent by the terminal device.
  • the terminal device can report whether the terminal device has received information indicating to release the source cell when RLF occurs between the terminal device and the target cell, so that the network device can more reasonably adjust the threshold of the measurement reporting event , so as to ensure the validity of subsequent switching configurations.
  • the embodiments of the present application are applied to DAPS handover.
  • it can also be applied to other types of cell switching, which is not limited in this application.
  • the information used to indicate the release source cell may be, for example, a DAPS source release message (daps-sourceRelease).
  • the first information may be an RLF report, or the first information is carried by an RLF report.
  • the terminal needs to add an indicator in the RLF report to inform the network whether the daps-ReleaseSource has been received when RLF occurs, so that the network knows whether the threshold needs to be adjusted larger or smaller.
  • the network device is a network device of a reestablished or reconnected cell after the DAPS handover fails, or the network device is a network device of the source cell.
  • the first information includes second indication information
  • the second indication information is used to indicate speed information of the terminal device. Therefore, the network is more aware of the magnitude of the threshold that needs to be adjusted.
  • the speed information of the terminal device is the speed of the terminal device.
  • the second indication information indicates that the speed of the terminal device is v 0 , that is, the current moving speed of the terminal device is v 0 .
  • the speed information of the terminal device includes a level corresponding to the speed of the terminal device in at least two speed levels.
  • the at least two speed levels are pre-configured or agreed upon by an agreement, or the at least two speed levels are configured by the network device.
  • the at least two speed levels include low speed and high speed.
  • the at least two speed levels include low speed, medium speed and high speed.
  • the network device determines the threshold of a subsequent measurement reporting event according to the first information; and the network device sends second information to the terminal device, where the second information is used to indicate the threshold of the subsequent measurement reporting event.
  • the threshold of the subsequent measurement reporting event is the threshold in the A3 event (for example, the parameter Off in the above inequality A3-1 and/or A3-2, or a parameter related to the parameter Off), or,
  • the threshold of the subsequent measurement reporting event is the threshold in the A5 event (for example, the parameter Thresh1 in the above inequality A5-1 and/or A5-3, or the parameter Thresh2 in the above inequality A5-2 and/or A5-4, Alternatively, parameters associated with parameters Thresh1 and/or Thresh2).
  • the network device determines the threshold of the subsequent measurement reporting event according to content indicated by the first indication information included in the first information.
  • the network device may determine the threshold for subsequent measurement reporting events according to whether the terminal device receives information indicating to release the source cell when RLF occurs between the terminal device and the target cell.
  • the threshold for the subsequent measurement reporting event satisfies:
  • the threshold of the subsequent measurement reporting event is compared with the original The difference between the thresholds for measuring reported events is greater than a first threshold;
  • the threshold of the subsequent measurement reporting event is compared with the original The difference between the thresholds with measurement reporting events is smaller than the first threshold.
  • the first threshold is pre-configured or agreed by a protocol, or the first threshold is configured by a network device.
  • the network device determines the threshold of the subsequent measurement reporting event according to the content indicated by the first indication information and/or the content indicated by the second indication information included in the first information.
  • the threshold for the subsequent measurement reporting event satisfies:
  • the threshold of the subsequent measurement reporting event is compared with the original The difference between the thresholds for measuring reported events is greater than a first threshold;
  • the threshold of the subsequent measurement reporting event is compared with the original The difference between the thresholds with measurement reporting events is less than the first threshold;
  • the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is less than the third threshold
  • the second indication information indicates that the speed of the terminal device is greater than the second threshold
  • the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is greater than the third threshold
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment has not received the information for instructing to release the source cell, and the second indication information indicates that the speed of the terminal equipment is lower than the first In the case of two thresholds, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is smaller than the fourth threshold; and/or,
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment has not received information indicating to release the source cell, and when the second indication information indicates that the speed of the terminal equipment is greater than In the case of the second threshold, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is greater than the fourth threshold; and/or,
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment receives information indicating to release the source cell, and the second indication information indicates that the speed of the terminal equipment is less than the second In the case of a threshold, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is smaller than the fifth threshold; and/or,
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment receives information indicating to release the source cell, and when the second indication information indicates that the speed of the terminal equipment is greater than the second In the case of two thresholds, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is greater than the fifth threshold.
  • some or all of the thresholds from the first threshold to the fifth threshold are pre-configured or agreed upon by the protocol, or, some or all of the thresholds from the first threshold to the fifth threshold are configured by the network device of.
  • the measurement results of the cell when RLF occurs the measurement result of the RSRP of the source cell is -70dBm, and the measurement result of the RSRP of the target cell is -68dBm . If the terminal equipment receives daps-SourceRelease (that is, the information used to indicate the release of the source cell) before the RLF towards the target cell occurs, it means that the signal is still unstable at a location closer to the target cell. A greater degree of adjustment should be considered when thresholding.
  • daps-SourceRelease that is, the information used to indicate the release of the source cell
  • daps-SourceRelease that is, the information used to indicate the release of the source cell
  • the RLF towards the target cell it means that the location signal is only unstable within the edge of the target cell, and the subsequent measurement reporting event is set. Thresholds only need small adjustments.
  • the terminal device generates RLF towards the target cell before receiving daps-SourceRelease (that is, the information used to indicate the release of the source cell), and the network device fine-tunes the threshold of the subsequent measurement reporting event, so that the measurement report is triggered It is good to shift the end position of the terminal slightly to the right.
  • the original measurement and reporting event threshold is the difference (Off) of the A3 event, and Off is 3dB; then the network adjusts the difference (Off) of the A3 event to 5dB.
  • the network device needs to greatly adjust the threshold for subsequent measurement reporting events, so that The location of the terminal that triggers the measurement report should be closer to the location of the target base station.
  • the original measurement reporting event threshold is the difference (Off) of the A3 event, and Off is 3dB; then the network adjusts the difference (Off) of the A3 event to 7dB.
  • the terminal device generates RLF towards the target cell before receiving daps-SourceRelease (that is, the information used to indicate the release of the source cell), and the speed level corresponding to the speed of the terminal device is high speed, and the network
  • the device fine-tunes the threshold for subsequent measurement reporting events, so that the position of the terminal that triggers measurement reporting is moved slightly to the right.
  • the original measurement reporting event threshold is the difference (Off) of the A3 event, and Off is 3dB; then the network adjusts the difference (Off) of the A3 event to 6dB.
  • the network device fine-tunes the threshold of subsequent measurement reporting events, so that the position of the terminal that triggers the measurement reporting is moved slightly to the right. Specifically, it is assumed that the original threshold for measuring and reporting events is the difference (Off) of the A3 event, and Off is 3dB; then the network adjusts the difference (Off) of the A3 event to 4dB.
  • the first information is an RLF report
  • the information used to indicate the release source cell is daps-sourceRelease
  • the speed of the terminal equipment corresponds to low speed, medium speed or high speed.
  • the RLF report reported by the terminal device may be as follows:
  • the terminal device can report whether the terminal device has received information indicating to release the source cell when RLF occurs between the terminal device and the target cell, so that the network device can more reasonably adjust the measurement reporting event threshold, thus ensuring the validity of subsequent handover configurations.
  • the network equipment can more reasonably adjust the threshold of the measurement reporting event to adjust the occurrence of handover time point, thereby reducing the possibility of RLF occurring in the terminal equipment during the DAPS handover process.
  • Fig. 10 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes:
  • a communication unit 310 configured to send first information; wherein, the first information includes first indication information, and the first indication information is used to indicate that the terminal when a radio link failure RLF occurs between the terminal device and the target cell Whether the device has received information indicating to release the source cell.
  • the first information includes second indication information
  • the second indication information is used to indicate speed information of the terminal device.
  • the speed information of the terminal device includes the corresponding grade of the speed of the terminal device in at least two speed grades.
  • the at least two speed levels are pre-configured or agreed by agreement, or the at least two speed levels are configured by the network device.
  • the communication unit 310 is further configured to receive second information, where the second information is used to indicate a threshold of a subsequent measurement reporting event, and the threshold of the subsequent measurement reporting event is determined according to the first information.
  • the threshold of the subsequent measurement reporting event is the threshold in event A3, or, the threshold of the subsequent measurement reporting event is the threshold in event A5.
  • the communication unit 310 is specifically used for:
  • the first information is sent to a network device, where the network device is a network device of a cell reestablished or reconnected after the dual activation protocol stack DAPS handover fails, or the network device is a network device of the source cell.
  • 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.
  • terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 300 are to realize the method shown in FIG. 4
  • the corresponding process of the terminal device in 200 will not be repeated here.
  • Fig. 11 shows a schematic block diagram of a network device 400 according to an embodiment of the present application.
  • the network device 400 includes:
  • the communication unit 410 is configured to receive first information sent by the terminal device; where the first information includes first indication information, and the first indication information is used to indicate that a radio link failure occurs between the terminal device and the target cell Whether the terminal device has received the information indicating to release the source cell during RLF.
  • the first information includes second indication information
  • the second indication information is used to indicate speed information of the terminal device.
  • the speed information of the terminal device includes the corresponding grade of the speed of the terminal device in at least two speed grades.
  • the at least two speed levels are pre-configured or agreed by agreement, or the at least two speed levels are configured by the network device.
  • the network device 400 further includes: a processing unit 420, wherein,
  • the processing unit 420 is configured to determine a threshold for subsequent measurement reporting events according to the first information.
  • the communication unit 410 is further configured to send second information to the terminal device, where the second information is used to indicate the threshold of the subsequent measurement reporting event.
  • the processing unit 420 is specifically used for:
  • the threshold of the subsequent measurement reporting event is determined according to the content indicated by the first indication information included in the first information.
  • the subsequent measurement reporting event when the first indication information indicates that the terminal device receives information indicating to release the source cell when RLF occurs between the terminal device and the target cell, the subsequent measurement reporting event The difference between the threshold and the threshold of the original measurement reporting event is greater than the first threshold; and/or,
  • the threshold of the subsequent measurement reporting event is compared with the original The difference between the thresholds with measurement reporting events is smaller than the first threshold.
  • the first information further includes second indication information, and the second indication information is used to indicate the speed information of the terminal device, or the second indication information is used to indicate that the speed of the terminal device is at least The corresponding grade of the two speed grades;
  • the processing unit 420 is specifically used for:
  • the threshold of the subsequent measurement reporting event is determined according to the content indicated by the first indication information and/or the content indicated by the second indication information included in the first information.
  • the subsequent measurement reporting event when the first indication information indicates that the terminal device receives information indicating to release the source cell when RLF occurs between the terminal device and the target cell, the subsequent measurement reporting event The difference between the threshold and the threshold of the original measurement reporting event is greater than the first threshold; and/or,
  • the threshold of the subsequent measurement reporting event is compared with the original The difference between the thresholds with measurement reporting events is less than the first threshold;
  • the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is less than the third threshold
  • the second indication information indicates that the speed of the terminal device is greater than the second threshold
  • the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is greater than the third threshold
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment has not received the information for instructing to release the source cell, and the second indication information indicates that the speed of the terminal equipment is lower than the first In the case of two thresholds, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is smaller than the fourth threshold; and/or,
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment has not received information indicating to release the source cell, and when the second indication information indicates that the speed of the terminal equipment is greater than In the case of the second threshold, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is greater than the fourth threshold; and/or,
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment receives information indicating to release the source cell, and the second indication information indicates that the speed of the terminal equipment is less than the second In the case of a threshold, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is smaller than the fifth threshold; and/or,
  • the terminal equipment When the first indication information indicates that RLF occurs between the terminal equipment and the target cell, the terminal equipment receives information indicating to release the source cell, and when the second indication information indicates that the speed of the terminal equipment is greater than the second In the case of two thresholds, the difference between the threshold of the subsequent measurement reporting event and the threshold of the original measurement reporting event is greater than the fifth threshold.
  • the threshold of the subsequent measurement reporting event is the threshold in event A3, or, the threshold of the subsequent measurement reporting event is the threshold in event A5.
  • the network device is a network device of a re-established or reconnected cell after the DAPS handover fails, or the network device is a network device of the source cell.
  • 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.
  • the network device 400 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 400 are for realizing the method shown in FIG. 4 For the sake of brevity, the corresponding processes of the network devices in 200 will not be repeated here.
  • Fig. 12 is a schematic structural diagram of a communication device 500 provided by an embodiment of the present application.
  • the communication device 500 shown in FIG. 12 includes a processor 510, and the processor 510 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 500 may further include a memory 520 .
  • the processor 510 can invoke and run a computer program from the memory 520, so as to implement the method in the embodiment of the present application.
  • the memory 520 may be an independent device independent of the processor 510 , or may be integrated in the processor 510 .
  • the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices, specifically, to send information or data to other devices, or Receive messages or data from other devices.
  • the transceiver 530 may include a transmitter and a receiver.
  • the transceiver 530 may further include antennas, and the number of antennas may be one or more.
  • the communication device 500 may specifically be the network device of the embodiment of the present application, and the communication device 500 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, the Let me repeat.
  • the communication device 500 may specifically be the terminal device in the embodiment of the present application, and the communication device 500 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application.
  • the Let me repeat the Let me repeat.
  • Fig. 13 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 600 shown in FIG. 13 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the device 600 may further include a memory 620 .
  • the processor 610 can invoke and run a computer program from the memory 620, so as to implement the method in the embodiment of the present application.
  • the memory 620 may be an independent device independent of the processor 610 , or may be integrated in the processor 610 .
  • the device 600 may further include an input interface 630 .
  • the processor 610 can control the input interface 630 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the device 600 may further include an output interface 640 .
  • the processor 610 can control the output interface 640 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 embodiments of the present application, and the device can implement the corresponding processes implemented by the network device in the methods of the embodiments of the present application. 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. For the sake of brevity, details are not repeated here.
  • 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. 14 is a schematic block diagram of a communication system 700 provided by an embodiment of the present application. As shown in FIG. 14 , the communication system 700 includes a terminal device 710 and a network device 720.
  • the terminal device 710 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 720 can be used to realize the corresponding functions realized by the network device in the above method, for the sake of brevity, no longer 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 in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, I won't repeat them here.
  • the computer-readable storage medium can be applied to the terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, I won't repeat them here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For brevity, This will not be repeated here.
  • the computer program product can be applied to the 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 terminal device 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 terminal device in the methods of the embodiments of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application, and when the computer program is run on the computer, the computer executes the corresponding process 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 computer program can be applied to the terminal device in the embodiment of the present application.
  • the computer program executes the corresponding process 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.
  • 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

Les modes de réalisation de la présente demande concernent un procédé de rapport d'informations, un dispositif terminal et un dispositif de réseau. Le dispositif terminal peut rapporter si le dispositif terminal a reçu des informations pour ordonner de libérer une cellule source lorsqu'une RLF se produit entre le dispositif terminal et une cellule cible, de sorte que le dispositif de réseau puisse ajuster de manière plus rationnelle un seuil d'un événement de rapport de mesure, ce qui permet d'assurer la validité de configurations de transfert intercellulaire DAPS ultérieures, et d'optimiser le transfert intercellulaire DAPS. Le procédé de rapport d'informations comprend l'étape suivante : un dispositif terminal envoie des premières informations, les premières informations comprenant des premières informations d'indication, et les premières informations d'indication étant utilisées pour indiquer si le dispositif terminal a reçu des informations pour ordonner de libérer une cellule source lorsqu'une RLF se produit entre le dispositif terminal et une cellule cible.
PCT/CN2021/096114 2021-05-26 2021-05-26 Procédé de rapport d'informations, dispositif terminal et dispositif de réseau WO2022246697A1 (fr)

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PCT/CN2021/096114 WO2022246697A1 (fr) 2021-05-26 2021-05-26 Procédé de rapport d'informations, dispositif terminal et dispositif de réseau

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WO2021066532A1 (fr) * 2019-10-02 2021-04-08 삼성전자 주식회사 Procédé et appareil permettant d'effectuer une procédure de transfert intercellulaire dans un système de communication sans fil

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CN112075099A (zh) * 2020-07-23 2020-12-11 北京小米移动软件有限公司 定时器的控制方法、装置、通信设备及存储介质

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