WO2021203342A1 - 波束失败的检测方法、装置、设备及可读存储介质 - Google Patents
波束失败的检测方法、装置、设备及可读存储介质 Download PDFInfo
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- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
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- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
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Definitions
- This application relates to the field of communications, and in particular to a method, device, equipment and readable storage medium for detecting beam failure.
- NR New Radio
- FR Frequency Range, frequency range
- the beam configured for the UE for transmitting and receiving PDCCH may have a problem, that is, a beam failure problem may occur.
- the embodiments of the present application provide a beam failure detection method, device, device, and readable storage medium, which can provide a beam failure detection method for neighboring cells.
- the technical solution is as follows:
- a method for detecting beam failure is provided, which is applied to a terminal device, and the method includes:
- a method for detecting beam failure is provided, which is applied to a network device, and the method includes:
- the configuration signaling includes a target information field
- the target information field is used to indicate the time-frequency resource location of the target reference signal resource received
- the target reference signal resource is used by the terminal for the second A neighboring cell performs beam failure detection.
- a device for detecting beam failure which is applied to terminal equipment, and the device includes:
- a processing module configured to determine a target reference signal resource used for beam failure detection of the first neighboring cell
- the processing module is further configured to perform beam failure detection on the first neighboring cell according to the target reference signal resource.
- a device for detecting beam failure which is applied to network equipment, and the device includes:
- the sending module is configured to send configuration signaling to the terminal.
- the configuration signaling includes a target information field, and the target information field is used to indicate the position of the time-frequency resource for receiving the target reference signal resource, and the target reference signal resource is used Perform beam failure detection on the first neighboring cell at the terminal.
- a terminal device in another aspect, includes:
- Transceiver connected to the processor
- the processor is configured to load and execute executable instructions to implement the beam failure detection method described in the foregoing embodiment of the present application.
- a network device in another aspect, includes:
- Transceiver connected to the processor
- the processor is configured to load and execute executable instructions to implement the beam failure detection method described in the foregoing embodiment of the present application.
- a computer-readable storage medium stores at least one instruction, at least one program, code set or instruction set, the above at least one instruction, at least one program, code set or instruction The set is loaded and executed by the processor to implement the beam failure detection method described in the foregoing embodiment of the present application.
- the beam failure detection of the terminal to the neighboring cell is realized, and the beam failure detection method of the terminal to the neighboring cell is provided.
- Fig. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present application
- FIG. 2 is a schematic diagram of data transmission based on multiple TRPs or multiple antenna panels (multi-TRP/panel) provided by an exemplary embodiment of the present disclosure
- Fig. 3 shows a flow chart of a method for detecting beam failure provided by an exemplary embodiment of the present application
- FIG. 4 is a flowchart of a method for detecting beam failure provided by another exemplary embodiment of the present application.
- Fig. 5 is a flowchart of a method for detecting beam failure provided by another exemplary embodiment of the present application.
- Fig. 6 is a flowchart of a method for detecting beam failure provided by another exemplary embodiment of the present application.
- Fig. 7 is a structural block diagram of a beam failure detection device provided by an exemplary embodiment of the present application.
- FIG. 8 is a structural block diagram of a beam failure detection device provided by another exemplary embodiment of the present application.
- Fig. 9 is a structural block diagram of a communication device shown in an exemplary embodiment of the present application.
- FIG. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present application.
- the communication system may include: an access network 12 and a terminal device 14.
- the access network 12 includes several network devices 120.
- the network device 120 may be a base station, which is a device deployed in an access network to provide wireless communication functions for terminal devices.
- the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and so on.
- the names of devices with base station functions may be different. For example, in LTE systems, they are called eNodeB or eNB; in 5G NR-U systems, they are called gNodeB or gNB. .
- the description of "base station” may change.
- the above-mentioned devices that provide wireless communication functions for the terminal device 14 are collectively referred to as network devices.
- the terminal device 14 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, as well as various forms of user equipment, and mobile stations (Mobile Station, MS). , Terminal (terminal device) and so on.
- Terminal terminal device
- the network device 120 and the terminal device 14 communicate with each other through a certain air interface technology, such as a Uu interface.
- GSM Global System of Mobile Communication
- CDMA Code Division Multiple Access
- WCDMA broadband code division multiple access
- GSM Global System of Mobile Communication
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- LTE-A Advanced Long Term Evolution
- NR New Radio
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- WiMAX Wireless Local Area Networks
- WLAN Wireless Fidelity
- D2D Device to Device
- M2M Machine to Machine
- MTC machine type communication
- V2V vehicle to vehicle
- V2X vehicle networking
- the aforementioned network device 120 can be implemented as N transmission reception points (TRP) instead.
- TRP transmission reception points
- Fig. 2 shows a schematic diagram of data transmission based on multiple TRPs or multiple antenna panels (multi-TRP/panel) provided by an exemplary embodiment of the present application.
- the terminal device 210 is in a serving cell and also in a neighboring cell.
- each cell can be covered by more than one TRP.
- the serving cell is jointly covered by TRP1 and TRP2, thereby increasing the coverage radius of the serving cell.
- the neighboring cell is covered by TRP3.
- Each TRP can be provided with more than one antenna panel (panel).
- the orientation of different antenna panels can be different, so that beams of different transmission directions can be sent and received, thereby realizing multi-space diversity.
- the network device may use multiple panels (the multiple panels may be from the same TRP or different TRPs) to send the PDCCH to the terminal device 210 at the same time.
- the sending directions of different panels are different, so the terminal device 210 also needs to use different panels to receive the PDCCH, so the network device needs to indicate different transmission configuration indication (Transmission Configuration Indication, TCI) states to the terminal device.
- TCI Transmission Configuration Indication
- Each TCI state corresponds to one receiving beam direction on each panel of the terminal device.
- the terminal device 210 moves to the edge of the cell, it is possible that the performance of the serving cell measured on panel #1 is good, and the performance of the neighboring cell measured on panel #2 is good, then the terminal device 210 will continue to stay in the serving cell or switch to the neighboring cell.
- the throughput is not optimal, because the terminal may be in the overlapping position of the coverage of the two cells, the optimal method is that different cells simultaneously perform data transmission based on the beam and the terminal device 210, and the beam is dynamically switched.
- the downlink control information (DCI) signaling method is used, that is, the multi-DCI method .
- DCI scheduling Physical Downlink Shared Channel, PDSCH
- Physical Uplink Shared Channel PUSCH
- PDCCH Physical Downlink Control Channel
- the network device may indicate the TCI status through signaling, so as to inform the terminal device 210 of the receiving beam that needs to be used when receiving.
- each TCI state corresponds to a reference signal (Reference Signal, RS) identifier.
- the RS can be either a non-zero power channel state information reference signal (Channel State Information Reference Signal, CSI-RS) or a synchronization signal block (Synchronization Signal). Signal Block, SSB) or sounding reference signal (Sounding Reference Signal, SRS).
- FIG. 3 shows a flow chart of a method for detecting beam failure provided by an exemplary embodiment of the present application.
- the method is applied to the terminal device shown in FIG. 1 as an example for description. As shown in FIG. 3, the method include:
- Step 301 Determine a target reference signal resource used for beam failure detection of the first neighboring cell.
- the target reference channel resource may be a reference signal resource specially configured by the base station for the terminal device for detecting beam failure of the first neighboring cell, or it may be a default reference signal resource.
- the time-frequency resource location of the target reference signal resource is configured by the base station to the terminal device.
- the terminal device receives a configuration instruction.
- the configuration instruction includes a target information field.
- the target information field is used to indicate the time-frequency resource for receiving the target reference signal resource.
- Location where the target reference signal resource includes one or more reference signal resources, and the terminal device detects the target reference signal resource at the time-frequency resource location indicated by the configuration instruction according to the configuration instruction.
- the configuration instruction is an instruction sent to the terminal device by the base station of the serving cell where the terminal device is located, and the configuration instruction may be Radio Resource Control (RRC) signaling, that is, the signal of the serving cell
- RRC Radio Resource Control
- the base station configures RS resources for detecting beam failure of the first neighboring cell through RRC signaling.
- the base station also needs to inform the terminal equipment of the information required to receive the RS resource, such as: the first neighboring cell ID, which can be the physical cell ID Physical Cell ID; or the ID One or more information of the cell number, RS ID, RS type, and time-frequency resource location corresponding to the RS of the first neighboring cell in multiple serving cells and/or neighboring cells that provide services for the terminal.
- the first neighboring cell ID which can be the physical cell ID Physical Cell ID
- the ID One or more information of the cell number, RS ID, RS type, and time-frequency resource location corresponding to the RS of the first neighboring cell in multiple serving cells and/or neighboring cells that provide services for the terminal.
- the target reference signal resource includes the default reference signal resource.
- the terminal device uses the default RS resource.
- the default RS resource includes the RS resource corresponding to the TCI state used when the terminal receives the Control Resource Set (CORESET) sent by the first neighboring cell.
- CORESET Control Resource Set
- each CORESET corresponds to one TCI state
- each TCI state corresponds to one RS resource.
- the base station informs the terminal equipment of at least one TCI status through RRC signaling, including the identifier of the TCI status and its corresponding RS type and RS identifier, and the terminal equipment
- the receiving beam used when receiving the PDCCH is the same as the receiving beam used when the received power is the strongest when receiving the RS corresponding to the TCI state. That is, the TCI state is used to instruct the terminal equipment to use the same receiving beam as the target RS sent by the receiving base station when receiving the PDCCH or PDSCH; or to instruct the terminal equipment to use the same transmission beam as the target RS when sending the PUCCH or PUSCH.
- the terminal device determines m CORESETs among the n CORESETs of the first neighboring cell, and determines m CORESETs.
- the RS resource corresponding to the TCI state of is the default reference signal resource, where m and n are positive integers, and m ⁇ n.
- the terminal device selects the RS resource corresponding to the TCI state of the m CORESET with the smallest CORESET ID from the n CORESETs for beam failure detection.
- Step 302 Perform beam failure detection on the first neighboring cell according to the target reference signal resource.
- the UE when the UE detects that the channel quality of all target RS resources that need to be detected in the first neighboring cell are lower than the first threshold, it determines that beam failure has occurred in the first neighboring cell.
- the channel quality includes the L1 Reference Signal Received Power (L1-RSRP), and/or the channel quality includes the L1 Signal-to-Interference and Noise Ratio (L1). -SINR).
- L1-RSRP L1 Reference Signal Received Power
- L1-SINR L1 Signal-to-Interference and Noise Ratio
- the UE when the UE detects beam failure in the first neighboring cell, it detects the candidate RS resources corresponding to the candidate beams of the first neighboring cell according to the configuration of the base station, and responds to the candidate RS resources corresponding to the candidate beams.
- the reference signal receiving power (RSRP) of the candidate RS resource reaches the second threshold, the candidate beam direction corresponding to the first candidate RS resource is taken as the new beam direction of the first neighboring cell.
- the beam failure detection method implements the beam failure detection of the neighboring cell by the terminal through the configured target reference signal resource or the default reference signal resource, and provides a beam failure detection method for the neighboring cell .
- Fig. 4 is a flow chart of a method for detecting beam failure provided by another exemplary embodiment of the present application.
- the application of the method to the terminal equipment and network equipment shown in Fig. 1 is taken as an example for description, as shown in Fig. 4, The method includes:
- Step 401 The network device sends configuration signaling to the terminal device.
- the configuration signaling includes a target information field, and the target information field is used to indicate the time-frequency resource location of the received target reference signal resource.
- the target RS resource is used for the terminal to perform beam failure detection on the first neighboring cell.
- the network device may be a base station of a serving cell where the terminal device is located, and the base station configures the target RS resource to the terminal device.
- the configuration instruction may be RRC signaling, that is, the base station of the serving cell configures RS resources for detecting beam failure of the first neighboring cell through RRC signaling.
- the base station also needs to inform the terminal of the information required to receive the RS resource, such as: the first neighboring cell ID, RS ID, RS type, and the time-frequency resource location corresponding to the RS One or more of the information in.
- Step 402 The terminal device receives the configuration signaling.
- the target reference signal resource includes one or more reference signal resources.
- Step 403 The terminal device determines a target reference signal resource used for beam failure detection of the first neighboring cell.
- the terminal device receives the target RS resource according to the time-frequency resource location indicated in the configuration signaling.
- Step 404 The terminal device performs beam failure detection on the first neighboring cell according to the target reference signal resource.
- the UE when the UE detects that the channel quality of all target RS resources that need to be detected in the first neighboring cell are lower than the first threshold, it determines that beam failure has occurred in the first neighboring cell.
- the UE when the UE detects beam failure in the first neighboring cell, it detects the candidate RS resources corresponding to the candidate beams of the first neighboring cell according to the configuration of the base station, and responds to the candidate RS resources corresponding to the candidate beams.
- the RSRP of the candidate RS resource reaches the second threshold, the candidate beam direction corresponding to the first candidate RS resource is taken as the new beam direction of the first neighboring cell.
- the beam failure detection method implements the beam failure detection of the neighboring cell through the configured target reference signal resource or the default reference signal resource, and provides a beam failure detection method of the neighboring cell.
- FIG. 5 is the flow of the method for reporting beam failure according to an exemplary embodiment of the present application.
- the method is applied to a terminal device as an example for description. As shown in Fig. 5, the method includes:
- Step 501 Determine a target reference signal resource used for beam failure detection of the first neighboring cell.
- the target reference channel resource may be a reference signal resource specially configured by the base station for the terminal device for beam failure detection of the first neighboring cell, or it may be a default reference signal resource.
- the time-frequency resource location of the target reference signal resource is configured by the base station to the terminal device.
- the terminal device receives a configuration instruction.
- the configuration instruction includes a target information field.
- the target information field is used to indicate the time-frequency resource for receiving the target reference signal resource.
- the target reference signal resource includes the default reference signal resource.
- Step 502 In response to the channel quality of the target reference signal resource being lower than the first threshold, it is determined that beam failure occurs in the first neighboring cell.
- the UE when the UE detects that the channel quality of all target RS resources that need to be detected in the first neighboring cell are lower than the first threshold, it determines that beam failure has occurred in the first neighboring cell.
- Step 503 Report beam failure information of the first neighboring cell to the serving cell.
- the serving cell includes a primary cell (Primary Cell, PCell) or a primary secondary cell (Primary Secondary Cell, PScell) or a secondary cell (Secondary Cell, SCell) configured with PUCCH.
- Primary Cell PCell
- Primary Secondary Cell PScell
- Secondary Cell SCell
- Step 504 Report beam failure information to the second neighboring cell.
- the second neighboring cell is a primary neighboring cell or a primary secondary neighboring cell.
- the second neighboring cell is a primary neighboring cell or a primary secondary neighboring cell.
- there are multiple neighboring cells serving the terminal and one of the neighboring cells is set as the primary neighboring cell or the primary secondary neighboring cell of the terminal.
- steps 503 and 504 may be executed only in step 503, or only step 504 may be executed, or step 503 and step 504 may be executed at the same time.
- the reporting of beam failure information may be performed after the beam failure of the first neighboring cell is detected, or it may be performed after the beam failure of the first neighboring cell is detected, and the new beam failure of the first neighboring cell is detected. Executed after beam direction.
- the beam failure information is used to indicate the beam failure of the first neighboring cell; when the reporting of beam failure information is performed when the first neighboring cell is detected.
- the beam failure information is used to indicate the beam failure of the first neighboring cell and the new beam direction of the first neighboring cell.
- when reporting beam failure information it can be reported through PUCCH or PUSCH.
- beam failure information when reporting beam failure information through PUCCH, beam failure information is used to indicate that beam failure occurs in the first neighboring cell, where the method of reporting beam failure of the first neighboring cell and the method of reporting beam failure of the serving cell may be The same can also be different.
- the method of reporting the beam failure of the first neighboring cell is the same as the method of reporting the beam failure of the serving cell
- the PUCCH used for beam failure recovery BFR
- the scheduling request (SR) is reported
- the scheduling request used when beam failure occurs in the first neighboring cell is reported
- the scheduling request used when beam failure occurs in the serving cell is reported.
- the time-frequency domain resources and codeword indication methods are the same. That is, reporting the beam failure of the first neighboring cell and reporting the beam failure of the serving cell share the same SR.
- the difference includes at least one of the following situations:
- the scheduling request used when reporting the beam failure of the first neighboring cell is different from the scheduling request used when reporting the beam failure of the serving cell.
- the time-frequency domain resources are different;
- the time domain resource of the SR used when the beam failure of the first neighboring cell is reported is different from the time domain resource of the SR when the beam failure of the reporting serving cell occurs; and/or the SR used when the first neighboring cell sends the beam failure
- the frequency domain resources are different from the frequency domain resources of the SR when the beam failure occurs in the reported serving cell.
- the SR used when reporting the beam failure of the first neighboring cell is different from the SR codeword indication method used when the reporting serving cell sends the beam failure.
- the scheduling request includes an indication field.
- the indication field takes the first value
- the indication field is used to indicate beam failure of the neighboring cell; when the indication field takes the second value, it indicates the serving cell Beam failure occurred. That is, an indication field is added on the original basis of the SR codeword to distinguish whether the indication object of the SR is the serving cell or the neighboring cell.
- the indication field of 1 bit Take the indication field of 1 bit as an example. For example, when the indication field value is 1, it means that the SR indicates beam failure for the neighboring cell, and when the indication field value is 0, it means the SR has beam failure for the serving cell. Give instructions.
- the SR of the serving cell is sent first.
- the indication field of 2bit Take the indication field of 2bit as an example. For example, when the indication field value is 00, it means there is uplink data to be sent, 01 means beam failure in the serving cell, 10 means beam failure in the neighboring cell, and 11 means beam failure in the neighboring cell. Uplink data needs to be sent, and beam failure occurs in the serving cell and/or neighboring cells.
- the beam failure information when the beam failure information is reported through the PUSCH, the beam failure information is used to indicate the cell number of the first neighboring cell, that is, the cell number of the first neighboring cell where the beam failure occurs is reported through the PUSCH.
- the indication signaling is sent through the PUSCH, and the indication signaling includes the cell number of the first neighboring cell where the beam failure occurred.
- the cell number of the first neighboring cell where the beam failure occurs is sent through the media intervention control control unit MAC CE signaling on the PUSCH.
- the serving cell and the neighboring cell are jointly numbered; or, the serving cell and the neighboring cell are independently numbered.
- the cell number of the first neighboring cell is determined from the joint number of the serving cell and the neighboring cell; or, when the serving cell and the neighboring cell are independently numbered, the first neighboring cell is determined from the independent numbering of the neighboring cell.
- the cell number of a neighboring cell is determined from the joint number of the serving cell and the neighboring cell; or, when the serving cell and the neighboring cell are independently numbered, the first neighboring cell is determined from the independent numbering of the neighboring cell. The cell number of a neighboring cell.
- the neighboring cell when the serving cell and the neighboring cell are numbered jointly, the neighboring cell also uses the SCell number to take values 1, 2, 3, ...; when the serving cell and the neighboring cell are independently numbered, the neighboring cell's number is the neighboring cell (Neighboring Cell). Cell, NCell) number, take values 0, 1, 2, 3,... in sequence.
- the cell number of the first neighboring cell when reporting beam failure information through PUSCH, after determining that beam failure occurs in the first neighboring cell, the cell number of the first neighboring cell may be reported through PUSCH, that is, the above indication signaling includes the first neighboring cell It is also possible to determine the beam failure of the first neighboring cell, and after determining the new beam direction of the first neighboring cell, report the cell number of the first neighboring cell through PUSCH, and indicate the new beam direction of the first neighboring cell; also It can be determined that when beam failure occurs in the first neighboring cell, the cell number of the first neighboring cell is reported through the PUSCH, and the first neighboring cell has no new beam direction.
- the terminal When detecting the beam failure of the first neighboring cell, the terminal detects the candidate RS resource corresponding to the candidate beam of the first neighboring cell, and responds to the reference signal received power RSRP corresponding to the first candidate RS resource reaching the second threshold through the PUSCH Reporting new beam direction indication information, which includes the reference signal resource number corresponding to the first candidate reference signal resource; or, reporting new beam direction indication information through PUSCH, and the new beam direction indication information is used to indicate no new beam direction, In some embodiments, when the candidate RS resource corresponding to the candidate beam of the first neighboring cell is detected, and the candidate RS resource whose RSRP reaches the second threshold is not detected, the new beam direction indication information is used to indicate that the first neighboring cell has no new beam. direction.
- Step 505 Report beam failure information to the first neighboring cell.
- the beam failure information when reporting beam failure information to the first neighboring cell, may be reported to the first neighboring cell through a physical random access channel (PRACH).
- PRACH physical random access channel
- the beam failure information is used to indicate the first neighboring cell. Beam failure occurred in a neighboring cell.
- the terminal after detecting beam failure in the first neighboring cell, the terminal detects the candidate RS resource corresponding to the candidate beam of the first neighboring cell, and when there is a second candidate RS resource corresponding to the reference signal received power RSRP reaches the second At the threshold, the terminal sends the corresponding random access preamble on the corresponding PRACH time-frequency resource according to the PRACH time-frequency code resource corresponding to the RS resource, that is, sends a beam failure information indication to inform the first neighboring cell of beam failure.
- the second candidate RS resource and the first candidate RS resource may be the same candidate RS resource, or may be different candidate RS resources, which is not limited in the embodiment of the present application.
- the uplink and downlink channels between the terminal device and the network device when reporting beam failure information to the first neighboring cell, when the uplink and downlink channels between the terminal device and the network device are asymmetric, it can also be reported through PUCCH or PUSCH; When the uplink and downlink channels are symmetric, the beam failure information reported through PUCCH or PUSCH will fail to be sent due to beam failure.
- the beam failure detection method implements the beam failure detection of the neighboring cell through the configured target reference signal resource or the default reference signal resource, and provides a beam failure detection method of the neighboring cell.
- the method provided in this embodiment reports beam failure information through PUCCH or PUSCH, so that the network equipment of the serving cell or the network equipment of the neighboring cell can receive the beam failure information of the neighboring cell, and learn about the beam failure that occurred in the neighboring cell, and thus Realize beam failure recovery.
- Fig. 6 is a flowchart of a method for detecting beam failure provided by an exemplary embodiment of the present application. Taking the method applied to the terminal device and the network device shown in Fig. 1 as an example, as shown in Fig. 6, the method includes :
- Step 601 The terminal device determines a target reference signal resource used for beam failure detection of the first neighboring cell.
- the target reference channel resource may be a reference signal resource specially configured by the base station for the terminal device for beam failure detection of the first neighboring cell, or it may be a default reference signal resource.
- Step 602 In response to the channel quality of the target reference signal resource being lower than the first threshold, the terminal device determines that beam failure occurs in the first neighboring cell.
- the UE when the UE detects that the channel quality of all target RS resources that need to be detected in the first neighboring cell are lower than the first threshold, it determines that beam failure has occurred in the first neighboring cell.
- Step 603 The terminal device reports the beam failure information of the first neighboring cell.
- the terminal device can report the beam failure information of the first neighboring cell to the network device of the serving cell, or it can report the beam failure information of the first neighboring cell to the network device of the neighboring cell, and it can also report the beam failure information of the first neighboring cell to the network device of the serving cell.
- the network device reports the beam failure information of the first neighboring cell, and then reports the beam failure information of the first neighboring cell to the network device of the neighboring cell.
- the terminal device may report beam failure information to the first neighboring cell itself, and may also report beam failure information to the second neighboring cell.
- Step 604 The network device receives the beam failure information reported by the terminal.
- the network device may be a network device corresponding to a serving cell of the terminal device, or a network device corresponding to a neighboring cell of the terminal device.
- beam failure information when the network device is a network device of a serving cell or a network device of a second neighboring cell, beam failure information may be received through PUCCH, or beam failure information may be received through PUSCH.
- the scheduling request used when reporting the beam failure of the first neighboring cell is the same as the scheduling request used when reporting the beam failure of the serving cell, and the time-frequency domain resources and codeword indication methods are the same; or, reporting the beam failure of the first neighboring cell
- the scheduling request used when reporting the beam failure of the serving cell is different from the scheduling request time-frequency domain resource used when reporting the beam failure of the serving cell; or, the scheduling request used when reporting the beam failure of the first neighboring cell is different from the one used when reporting the beam failure of the serving cell.
- the scheduling request codeword indication method is different.
- the indication signaling is received from the PUSCH, and the indication signaling includes the cell number of the first neighboring cell where the beam failure occurred.
- the serving cell and the neighboring cell are jointly numbered; or, the serving cell and the neighboring cell are independently numbered.
- the serving cell and the neighboring cell When the serving cell and the neighboring cell are numbered jointly, determine the first neighboring cell corresponding to the cell number indicated in the indication signaling from the joint number; or, when the serving cell and the neighboring cell are independently numbered, determine from the independent number of the neighboring cell Indicate the first neighboring cell corresponding to the cell number indicated in the signaling.
- the indication signaling also includes new beam direction indication information.
- the new beam direction indication information includes the reference signal resource number of the first candidate reference signal resource, and the first candidate reference signal resource is a candidate signal resource whose reference signal received power reaches the second threshold; or, the new beam direction indication information is used for Indicate that the first neighboring cell has no new beam direction, that is, the reference signal received power of the candidate reference signal resource not detected reaches the second threshold.
- beam failure information may be received through PRACH, and the beam failure information is used to indicate that beam failure occurs between the first neighboring cell itself and the terminal device.
- the beam failure detection method implements the beam failure detection of the neighboring cell through the configured target reference signal resource or the default reference signal resource, and provides a beam failure detection method of the neighboring cell.
- the method provided in this embodiment reports beam failure information through PUCCH or PUSCH, so that the network equipment of the serving cell or the network equipment of the neighboring cell can receive the beam failure information of the neighboring cell, and learn about the beam failure that occurred in the neighboring cell, and thus Realize beam failure recovery.
- Fig. 7 is a structural block diagram of a beam failure detection device provided by an exemplary embodiment of the present application. Taking the device applied to a terminal device as an example, the device includes:
- the processing module 710 is configured to determine a target reference signal resource used for beam failure detection of the first neighboring cell
- the processing module 710 is further configured to perform beam failure detection on the first neighboring cell according to the target reference signal resource.
- the device further includes:
- the receiving module 720 is configured to receive configuration signaling, the configuration signaling includes a target information field, and the target information field is used to indicate a time-frequency resource location for receiving the target reference signal resource, and the target reference signal resource includes One or more reference signal resources.
- the target reference signal resource includes a default reference signal resource; the default reference signal resource includes a reference signal resource corresponding to a TCI state indicated by the transmission configuration of the control resource set of the first neighboring cell.
- the processing module 710 is further configured to determine m control resource sets among the n control resource sets of the first neighboring cell; determine m control resource sets;
- the reference signal resource corresponding to the TCI state of the resource set is the default reference signal resource, where m and n are positive integers, and m ⁇ n.
- the processing module 710 is further configured to determine that a beam failure occurs in the first neighboring cell in response to the channel quality of the target reference signal resource being lower than a first threshold.
- the device further includes:
- the sending module 730 is configured to report beam failure information of the first neighboring cell to the serving cell;
- the sending module 730 is also configured to report beam failure information of the first neighboring cell to a second neighboring cell.
- the sending module 730 is further configured to report the beam failure information through the physical uplink control channel PUCCH;
- the sending module 730 is also configured to report the beam failure information through the physical uplink shared channel PUSCH.
- the sending module 730 is further configured to report the beam failure information through a scheduling request for beam failure recovery in the PUCCH.
- reporting the scheduling request used when beam failure occurs in the first neighboring cell is the same as reporting the scheduling request used when beam failure occurs in the serving cell, and the time-frequency domain resources and codeword indication methods are the same .
- reporting the scheduling request used when beam failure occurs in the first neighboring cell is different from the scheduling request used when reporting beam failure in the serving cell, in terms of time-frequency domain resources
- Reporting the scheduling request used when beam failure occurs in the first neighboring cell is different from the scheduling request used when reporting beam failure in the serving cell, and the codeword indication method is different.
- the sending module 730 is further configured to report the cell number of the first neighboring cell where the beam failure occurs through the PUSCH.
- the processing module 710 is further configured to determine the cell number of the first neighboring cell from the joint number of the serving cell and neighboring cells;
- the processing module 710 is further configured to determine the cell number of the first neighboring cell from the independent numbers of neighboring cells.
- the sending module 730 is further configured to detect candidate reference signal resources corresponding to the candidate beams of the first neighboring cell;
- the sending module 730 is further configured to report new beam direction indication information through the PUSCH in response to the reference signal received power corresponding to the first candidate reference signal resource reaching a second threshold, where the new beam direction indication information includes the The reference signal resource number corresponding to the first candidate reference signal resource; or, the sending module 730 is further configured to report through the PUSCH in response to not detecting the candidate reference signal resource whose reference signal received power reaches the second threshold
- the new beam direction indication information, the new beam direction indication information includes an information field for indicating no new beam direction.
- the sending module 730 is further configured to report the beam failure information to the first neighboring cell.
- the sending module 730 is further configured to report the beam failure information to the first neighboring cell through a physical random access channel PRACH.
- Fig. 8 is a structural block diagram of a beam failure detection device provided by an exemplary embodiment of the present application. Taking the device applied to a network device as an example, the device includes:
- the sending module 810 is configured to send configuration signaling to the terminal, where the configuration signaling includes a target information field, and the target information field is used to indicate a time-frequency resource location for receiving a target reference signal resource, and the target reference signal resource It is used for the terminal to perform beam failure detection on the first neighboring cell.
- the device further includes:
- the receiving module 820 is configured to receive beam failure information reported by the terminal, where the beam failure information is used to indicate that beam failure occurs in the first neighboring cell.
- the receiving module 820 is further configured to receive the beam failure information through the physical uplink control channel PUCCH;
- the receiving module 820 is also configured to receive the beam failure information through the physical uplink shared channel PUSCH.
- the receiving module 820 is further configured to receive a scheduling request for beam failure recovery through the PUCCH, and the scheduling request includes the beam failure information.
- reporting the scheduling request used when beam failure occurs in the first neighboring cell is the same as the time-frequency domain resource and codeword indication method used when reporting beam failure in the serving cell .
- reporting the scheduling request used when beam failure occurs in the first neighboring cell is different from the scheduling request used when reporting beam failure in the serving cell, and the location of the time-frequency resource is different;
- Reporting the scheduling request used when beam failure occurs in the first neighboring cell is different from the scheduling request used when reporting beam failure in the serving cell, and the codeword indication method is different.
- the receiving module 820 is further configured to receive indication signaling through the PUSCH, and the indication signaling includes the cell number of the first neighboring cell where the beam failure occurred.
- the indication signaling further includes new beam direction indication information
- the new beam direction indication information includes a reference signal resource number of a first candidate reference signal resource, and the first candidate reference signal resource is a candidate signal resource whose reference signal received power reaches a second threshold; or, the new beam direction indication The information is used to indicate that there is no new beam direction.
- the beam failure detection apparatus implemented in the embodiments of the present application implements beam failure detection of neighboring cells through configured target reference signal resources or default reference signal resources, and provides a beam failure detection method of neighboring cells.
- FIG. 9 shows a schematic structural diagram of a communication device 900 (terminal device or network device) provided by an exemplary embodiment of the present application.
- the communication device 900 includes: a processor 901, a receiver 902, a transmitter 903, a memory 904, and a bus. 905.
- the processor 901 includes one or more processing cores, and the processor 901 executes various functional applications and information processing by running software programs and modules.
- the receiver 902 and the transmitter 903 may be implemented as a communication component, and the communication component may be a communication chip.
- the memory 904 is connected to the processor 901 through the bus 905.
- the memory 904 may be used to store at least one instruction, and the processor 901 is used to execute the at least one instruction to implement each step in the foregoing method embodiment.
- the memory 904 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
- the volatile or non-volatile storage device includes, but is not limited to: magnetic disks or optical disks, electrically erasable and programmable Read Only Memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read Only Memory (Read -Only Memory, ROM), magnetic memory, flash memory, Programmable Read-Only Memory (PROM).
- An exemplary embodiment of the present application also provides a beam failure detection system, the system includes: a terminal device and a network device;
- the terminal equipment includes the beam failure detection device provided in the embodiment shown in FIG. 7;
- the network equipment includes the beam failure detection device provided in the embodiment shown in FIG. 8.
- An exemplary embodiment of the present application further provides a computer-readable storage medium, the computer-readable storage medium stores at least one instruction, at least a program, code set or instruction set, the at least one instruction, the At least one program, the code set, or the instruction set is loaded and executed by the processor to implement the steps performed by the terminal in the beam failure detection method provided by the foregoing method embodiments.
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Abstract
Description
Claims (49)
- 一种波束失败的检测方法,其特征在于,应用于终端设备中,所述方法包括:确定用于第一邻小区波束失败beam failure检测的目标参考信号资源;根据所述目标参考信号资源对所述第一邻小区进行beam failure检测。
- 根据权利要求1所述的方法,其特征在于,所述确定用于第一邻小区beam failure检测的目标参考信号资源,还包括:接收配置信令,所述配置信令包括目标信息字段,所述目标信息字段用于指示接收所述目标参考信号资源的时频资源位置,所述目标参考信号资源包括一个或多个参考信号资源。
- 根据权利要求1所述的方法,其特征在于,所述目标参考信号资源包括默认参考信号资源;所述默认参考信号资源包括所述第一邻小区的控制资源集合的传输配置指示TCI状态对应的参考信号资源。
- 根据权利要求3所述的方法,其特征在于,所述确定用于第一邻小区beam failure检测的目标参考信号资源,包括:确定所述第一邻小区的n个所述控制资源集合中的m个所述控制资源集合;确定m个所述控制资源集合的所述TCI状态对应的所述参考信号资源为所述默认参考信号资源,其中m、n为正整数,且m<n。
- 根据权利要求1至4中任一所述的方法,其特征在于,所述根据所述目标参考信号资源对所述第一邻小区进行beam failure检测,包括:响应于所述目标参考信号资源的信道质量低于第一门限,确定所述第一邻小区发生beam failure。
- 根据权利要求5所述的方法,其特征在于,所述方法还包括:向服务小区上报所述第一邻小区的beam failure信息;和/或,向第二邻小区上报所述第一邻小区的beam failure信息。
- 根据权利要求6所述的方法,其特征在于,所述方法还包括:通过物理上行控制信道PUCCH上报所述beam failure信息;和/或,通过物理上行分享信道PUSCH上报所述beam failure信息。
- 根据权利要求7所述的方法,其特征在于,所述通过物理上行控制信道PUCCH上报所述beam failure信息,包括:通过所述PUCCH中用于波束失败恢复的调度请求上报所述beam failure信息。
- 根据权利要求8所述的方法,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,时频域资源和码字指示方法相同。
- 根据权利要求8所述的方法,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,时频域资源不同;或,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,码字指示方法不同。
- 根据权利要求7所述的方法,其特征在于,所述通过物理上行分享信道PUSCH上报所述beam failure信息,包括:通过所述PUSCH上报发生beam failure的所述第一邻小区的小区编号。
- 根据权利要求11所述的方法,其特征在于,所述方法还包括:从所述服务小区与邻小区的联合编号中确定所述第一邻小区的所述小区编号;或,从邻小区的独立编号中确定所述第一邻小区的所述小区编号。
- 根据权利要求11所述的方法,其特征在于,所述方法还包括:检测所述第一邻小区的候选波束对应的候选参考信号资源;响应于第一候选参考信号资源对应的参考信号接收功率达到第二门限,通过所述PUSCH上报新波束方向指示信息,所述新波束方向指示信息包括所述第一候选参考信号资源对应的参考信号资源编号;或,响应于未检测到参考信号接收功率达到第二门限的所述候选参考信号资源,通过所述PUSCH上报所述新波束方向指示信息,所述新波束方向指示信息包括用于指示无新波束方向的信息字段。
- 根据权利要求5所述的方法,其特征在于,所述方法还包括:向所述第一邻小区上报所述beam failure信息。
- 根据权利要求14所述的方法,其特征在于,所述向所述第一邻小区上报所述beam failure信息,包括:通过物理随机接入信道PRACH向所述第一邻小区上报所述beam failure信息。
- 一种波束失败的检测方法,其特征在于,应用于网络设备中,所述方法包括:向终端发送配置信令,所述配置信令中包括目标信息字段,所述目标信息字段用于指示接收目标参考信号资源的时频资源位置,所述目标参考信号资源用于所述终端对第一邻小区进行波束失败beam failure检测。
- 根据权利要求16所述的方法,其特征在于,所述方法还包括:接收所述终端上报的beam failure信息,所述beam failure信息用于指示所述第一邻小区发生beam failure。
- 根据权利要求17所述的方法,其特征在于,所述方法还包括:通过物理上行控制信道PUCCH接收所述beam failure信息;和/或,通过物理上行分享信道PUSCH接收所述beam failure信息。
- 根据权利要求18所述的方法,其特征在于,所述通过物理上行控制信道PUCCH接收所述beam failure信息,包括:通过所述PUCCH中接收用于波束失败恢复的调度请求,所述调度请求中包括所述beam failure信息。
- 根据权利要求19所述的方法,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求的时频域资源和码字指示方法相同。
- 根据权利要求19所述的方法,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,时频资源位置不同;或,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,码字指示方法不同。
- 根据权利要求18所述的方法,其特征在于,所述通过物理上行分享信道PUSCH接收所述beam failure信息,包括:通过所述PUSCH接收指示信令,所述指示信令中包括发生beam failure的所述第一邻小区的小区编号。
- 根据权利要求22所述的方法,其特征在于,所述指示信令中还包括新波束方向指示信息;所述新波束方向指示信息包括第一候选参考信号资源的参考信号资源编号,所述第一候选参考信号资源为参考信号接收功率达到第二门限的候选信号 资源;或,所述新波束方向指示信息用于指示无新波束方向。
- 一种波束失败的检测装置,其特征在于,应用于终端设备中,所述装置包括:处理模块,被配置为确定用于第一邻小区波束失败beam failure检测的目标参考信号资源;所述处理模块,还被配置为根据所述目标参考信号资源对所述第一邻小区进行beam failure检测。
- 根据权利要求24所述的装置,其特征在于,所述装置,还包括:接收模块,被配置为接收配置信令,所述配置信令包括目标信息字段,所述目标信息字段用于指示接收所述目标参考信号资源的时频资源位置,所述目标参考信号资源包括一个或多个参考信号资源。
- 根据权利要求24所述的装置,其特征在于,所述目标参考信号资源包括默认参考信号资源;所述默认参考信号资源包括所述第一邻小区的控制资源集合的传输配置指示TCI状态对应的参考信号资源。
- 根据权利要求26所述的装置,其特征在于,所述处理模块,还被配置为确定所述第一邻小区的n个所述控制资源集合中的m个所述控制资源集合;确定m个所述控制资源集合的所述TCI状态对应的所述参考信号资源为所述默认参考信号资源,其中m、n为正整数,且m<n。
- 根据权利要求24至27中任一所述的装置,其特征在于,所述处理模块,还被配置为响应于所述目标参考信号资源的信道质量低于第一门限,确定所述第一邻小区发生beam failure。
- 根据权利要求28所述的装置,其特征在于,所述装置还包括:发送模块,被配置为向服务小区上报所述第一邻小区的beam failure信息;和/或,所述发送模块,还被配置为向第二邻小区上报所述第一邻小区的beam failure信息。
- 根据权利要求29所述的装置,其特征在于,所述发送模块,还被配置为通过物理上行控制信道PUCCH上报所述beam failure信息;和/或,所述发送模块,还被配置为通过物理上行分享信道PUSCH上报所述beam failure信息。
- 根据权利要求30所述的装置,其特征在于,所述发送模块,还被配置为通过所述PUCCH中用于波束失败恢复的调度请求上报所述beam failure信息。
- 根据权利要求31所述的装置,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,时频域资源和码字指示方法相同。
- 根据权利要求31所述的装置,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,时频域资源不同;或,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,码字指示方法不同。
- 根据权利要求30所述的装置,其特征在于,所述发送模块,还被配置为通过所述PUSCH上报发生beam failure的所述第一邻小区的小区编号。
- 根据权利要求34所述的装置,其特征在于,所述处理模块,还被配置为从所述服务小区与邻小区的联合编号中确定所述第一邻小区的所述小区编号;或,所述处理模块,还被配置为从邻小区的独立编号中确定所述第一邻小区的所述小区编号。
- 根据权利要求34所述的装置,其特征在于,所述发送模块,还被配置为检测所述第一邻小区的候选波束对应的候选参考信号资源;所述发送模块,还被配置为响应于第一候选参考信号资源对应的参考信号接收功率达到第二门限,通过所述PUSCH上报新波束方向指示信息,所述新波束方向指示信息包括所述第一候选参考信号资源对应的参考信号资源编号;或,所述发送模块,还被配置为响应于未检测到参考信号接收功率达到第二门限的所述候选参考信号资源,通过所述PUSCH上报所述新波束方向指示信息,所述新波束方向指示信息包括用于指示无新波束方向的信息字段。
- 根据权利要求28所述的装置,其特征在于,所述发送模块,还被配置为向所述第一邻小区上报所述beam failure信息。
- 根据权利要求37所述的装置,其特征在于,所述发送模块,还被配置为通过物理随机接入信道PRACH向所述第一邻小区上报所述beam failure信息。
- 一种波束失败的检测装置,其特征在于,应用于网络设备中,所述装置包括:发送模块,被配置为向终端发送配置信令,所述配置信令中包括目标信息字段,所述目标信息字段用于指示接收目标参考信号资源的时频资源位置,所述目标参考信号资源用于所述终端对第一邻小区进行波束失败beam failure检测。
- 根据权利要求39所述的装置,其特征在于,所述装置还包括:接收模块,被配置为接收所述终端上报的beam failure信息,所述beam failure信息用于指示所述第一邻小区发生beam failure。
- 根据权利要求40所述的装置,其特征在于,所述接收模块,还被配置为通过物理上行控制信道PUCCH接收所述beam failure信息;和/或,所述接收模块,还被配置为通过物理上行分享信道PUSCH接收所述beam failure信息。
- 根据权利要求41所述的装置,其特征在于,所述接收模块,还被配置为通过所述PUCCH中接收用于波束失败恢复的调度请求,所述调度请求中包括所述beam failure信息。
- 根据权利要求42所述的装置,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求的时频域资源和码字指示方法相同。
- 根据权利要求42所述的装置,其特征在于,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,时频资源位置不同;或,上报所述第一邻小区发生beam failure时使用的调度请求,与上报所述服务小区发生beam failure时使用的调度请求,码字指示方法不同。
- 根据权利要求41所述的装置,其特征在于,所述接收模块,还被配置为通过所述PUSCH接收指示信令,所述指示信令中包括发生beam failure的所述第一邻小区的小区编号。
- 根据权利要求45所述的装置,其特征在于,所述指示信令中还包括新波束方向指示信息;所述新波束方向指示信息包括第一候选参考信号资源的参考信号资源编 号,所述第一候选参考信号资源为参考信号接收功率达到第二门限的候选信号资源;或,所述新波束方向指示信息用于指示无新波束方向。
- 一种终端设备,其特征在于,所述终端设备包括:处理器;与所述处理器相连的收发器;其中,所述处理器被配置为加载并执行可执行指令以实现如权利要求1至15任一所述的波束失败的检测方法。
- 一种网络设备,其特征在于,所述网络设备包括:处理器;与所述处理器相连的收发器;其中,所述处理器被配置为加载并执行可执行指令以实现如权利要求16至23任一所述的波束失败的检测方法。
- 一种计算机可读存储介质,所述计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集,所述至少一条指令、所述至少一段程序、所述代码集或所述指令集由处理器加载并执行以实现如权利要求1至23任一所述的波束失败的检测方法。
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WO2022141303A1 (zh) * | 2020-12-30 | 2022-07-07 | 华为技术有限公司 | 通信方法和通信装置 |
WO2022151102A1 (zh) * | 2021-01-13 | 2022-07-21 | 北京小米移动软件有限公司 | 调度请求资源的确定方法、装置及通信设备 |
EP4304235A4 (en) * | 2021-03-04 | 2024-04-10 | Beijing Xiaomi Mobile Software Co., Ltd. | BEAM CONFIGURATION METHOD, BEAM CONFIGURATION DEVICE AND STORAGE MEDIUM |
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CN115208439A (zh) * | 2021-04-12 | 2022-10-18 | 维沃移动通信有限公司 | 多发送接收点的波束失败恢复方法、装置、设备及可读存储介质 |
CN115378559B (zh) * | 2021-05-18 | 2024-06-14 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的节点中的方法和装置 |
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