WO2023010478A1 - Procédé et appareil d'envoi de signaux et système - Google Patents

Procédé et appareil d'envoi de signaux et système Download PDF

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Publication number
WO2023010478A1
WO2023010478A1 PCT/CN2021/111043 CN2021111043W WO2023010478A1 WO 2023010478 A1 WO2023010478 A1 WO 2023010478A1 CN 2021111043 W CN2021111043 W CN 2021111043W WO 2023010478 A1 WO2023010478 A1 WO 2023010478A1
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Prior art keywords
reference signal
beam failure
power control
closed
pucch
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PCT/CN2021/111043
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English (en)
Chinese (zh)
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陈哲
张磊
王昕�
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富士通株式会社
陈哲
张磊
王昕�
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Application filed by 富士通株式会社, 陈哲, 张磊, 王昕� filed Critical 富士通株式会社
Priority to PCT/CN2021/111043 priority Critical patent/WO2023010478A1/fr
Publication of WO2023010478A1 publication Critical patent/WO2023010478A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communications.
  • NR Rel-17 (New Radio Release 17) introduces a new mechanism for sending uplink control information. This mechanism supports more flexible uplink control transmission, thereby enhancing the reliability of uplink data transmission.
  • the NR New Radio, New Radio
  • BFR procedure beam failure recovery procedure
  • LFR procedure link failure recovery procedure
  • the inventors have found that the link for transmitting uplink control information (PUCCH) in the high frequency band is easily affected by occlusion, and the channel may deteriorate instantaneously.
  • a feasible way is to allow the uplink control information to be sent in a space diversity manner. That is to say, on the user side, the same uplink control information reaches the network device via different airspace paths or different TRPs (transmission and reception points). In this way, when one path is blocked, other paths can still continue to work, thereby ensuring low delay and high reliability of uplink control information transmission.
  • one method is to send the same uplink control information (for example, PUCCH) twice, the first time to one TRP, and the second time to another TRP.
  • Another method is to adaptively select from which TRP to send the uplink control information in different time periods according to the change of the uplink.
  • the beam failure recovery process can be extended to support the beam failure recovery process for each TRP. That is to say, the terminal device can know which TRP fails by detecting the reference signal, and reports the failure information to the network device. After the network device makes a corresponding response, the terminal device restores the uplink of the corresponding TRP according to the corresponding TRP failure information, including resetting/updating the power control parameters used for sending the uplink control information (PUCCH).
  • PUCCH uplink control information
  • embodiments of the present application provide a signal sending method, device, and system.
  • a signal sending device configured in a terminal device, wherein the device includes:
  • a sending unit which sends beam failure recovery information to the network device, where the beam failure recovery information includes the ID (k) of the beam failure detection reference signal group that detects the beam failure and the detected (identified) beam failure detection reference signal group (identified) for link recovery.
  • the beam failure recovery information includes the ID (k) of the beam failure detection reference signal group that detects the beam failure and the detected (identified) beam failure detection reference signal group (identified) for link recovery.
  • Candidate reference signal ID(q new ) wherein the terminal device is configured with two beam failure detection reference signal groups in one cell;
  • a determining unit after the terminal device receives the feedback from the network device for the beam failure recovery information, after a certain time interval, according to the detected candidate reference signal ID for link recovery ( q new ) to determine the first power control parameter used to transmit the PUCCH related to the first closed-loop power control index in the cell, where the first closed-loop power control index is the same as the beam failure detection reference of the detected beam failure
  • the ID(k) of the signal group is correlated.
  • One of the beneficial effects of the embodiment of the present application is that: according to the embodiment of the present application, in the scenario of multiple TRPs, the power control parameters of the PUCCH can be reset/updated accordingly after beam failure occurs in one or more TRPs, and the control of the PUCCH recovery.
  • Fig. 1 is a schematic diagram of the signal sending method of the embodiment of the first aspect
  • 2 to 12 are schematic diagrams of examples of PUCCH transmission
  • Fig. 13 is a schematic diagram of a signal sending device in an embodiment of the second aspect
  • FIG. 14 is a schematic diagram of a communication system according to an embodiment of the present application.
  • Fig. 15 is a schematic diagram of a terminal device according to an embodiment of the present application.
  • the terms “first”, “second”, etc. are used to distinguish different elements from the title, but do not indicate the spatial arrangement or time order of these elements, and these elements should not be referred to by these terms restricted.
  • the term “and/or” includes any and all combinations of one or more of the associated listed items.
  • the terms “comprising”, “including”, “having” and the like refer to the presence of stated features, elements, elements or components, but do not exclude the presence or addition of one or more other features, elements, elements or components.
  • the term “communication network” or “wireless communication network” may refer to a network conforming to any of the following communication standards, such as Long Term Evolution (LTE, Long Term Evolution), Enhanced Long Term Evolution (LTE-A, LTE- Advanced), Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), High-Speed Packet Access (HSPA, High-Speed Packet Access), etc.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • LTE-A Long Term Evolution-A
  • LTE- Advanced Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • High-Speed Packet Access High-Speed Packet Access
  • the communication between devices in the communication system can be carried out according to any stage of communication protocol, for example, it can include but not limited to the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G and future 5G, New Radio (NR, New Radio), etc., and/or other communication protocols that are currently known or will be developed in the future.
  • Network device refers to, for example, a device in a communication system that connects a terminal device to a communication network and provides services for the terminal device.
  • Network equipment may include but not limited to the following equipment: base station (BS, Base Station), access point (AP, Access Point), transceiver node (TRP, Transmission Reception Point), broadcast transmitter, mobile management entity (MME, Mobile Management Entity), gateway, server, radio network controller (RNC, Radio Network Controller), base station controller (BSC, Base Station Controller) and so on.
  • the base station may include but not limited to: Node B (NodeB or NB), evolved Node B (eNodeB or eNB), and 5G base station (gNB), etc., and may also include remote radio head (RRH, Remote Radio Head), remote End radio unit (RRU, Remote Radio Unit), relay (relay) or low power node (such as femto, pico, etc.).
  • RRH Remote Radio Head
  • RRU Remote Radio Unit
  • relay relay
  • low power node such as femto, pico, etc.
  • base station may include some or all of their functions, each base station may provide communication coverage for a particular geographic area.
  • the term "cell” can refer to a base station and/or its coverage area depending on the context in which the term is used.
  • the term "User Equipment” refers to, for example, a device that accesses a communication network through a network device and receives network services, and may also be called “Terminal Equipment” (TE, Terminal Equipment).
  • a terminal device may be fixed or mobile, and may also be referred to as a mobile station (MS, Mobile Station), terminal, user, subscriber station (SS, Subscriber Station), access terminal (AT, Access Terminal), station, etc. wait.
  • Terminal equipment may include but not limited to the following equipment: cellular phone (Cellular Phone), personal digital assistant (PDA, Personal Digital Assistant), wireless modem, wireless communication device, handheld device, machine type communication device, laptop computer, cordless phone , smartphones, smart watches, digital cameras, and more.
  • cellular phone Cellular Phone
  • PDA Personal Digital Assistant
  • wireless modem wireless communication device
  • handheld device machine type communication device
  • laptop computer machine type communication device
  • cordless phone smartphones
  • smartphones smart watches, digital cameras, and more.
  • the terminal device can also be a machine or device for monitoring or measurement, such as but not limited to: a machine type communication (MTC, Machine Type Communication) terminal, Vehicle communication terminal, device to device (D2D, Device to Device) terminal, machine to machine (M2M, Machine to Machine) terminal, etc.
  • MTC Machine Type Communication
  • Vehicle communication terminal device to device (D2D, Device to Device) terminal
  • M2M Machine to Machine
  • An embodiment of the present application provides a method for sending a signal, which is described from a terminal device side.
  • Fig. 1 is a schematic diagram of the signal transmission method of the embodiment of the present application, please refer to Fig. 1, the method includes:
  • the terminal device sends beam failure recovery information to the network device, and the beam failure recovery information includes the ID (k) of the beam failure detection reference signal group that detects the beam failure and the detected (identified) beam failure detection reference signal group (identified) used for link recovery.
  • the beam failure recovery information includes the ID (k) of the beam failure detection reference signal group that detects the beam failure and the detected (identified) beam failure detection reference signal group (identified) used for link recovery.
  • Candidate reference signal ID(q new ) wherein the terminal device is configured with two beam failure detection reference signal groups in one cell;
  • the terminal device After receiving the feedback from the network device on the beam failure recovery information, after a certain time interval, the terminal device, according to the detected candidate reference signal ID(q new ) determining the first power control parameter used by the cell to send the PUCCH related to the first closed-loop power control index (l), wherein the first closed-loop power control index (l) is related to the detected beam failure The ID(k) correlation of the beam failure detection reference signal group.
  • the power control parameters of the PUCCH can be reset/updated to realize recovery of the PUCCH.
  • the aforementioned beam failure detection reference signal group in which beam failure is detected means that the radio link quality corresponding to all first reference signal resource configurations in the beam failure detection reference signal group is lower than a predefined threshold (Q out, LR ), where the definition of Q out, LR refers to existing standards.
  • Q out, LR a predefined threshold
  • the foregoing first reference signal resource configuration refers to the reference signal resource configuration used by the terminal device for assessing (assess) radio link quality.
  • the PUCCH related to the first closed-loop power control index means, for example, that the PUCCH resource for sending the PUCCH is related to the first closed-loop power control index.
  • the correlation between the PUCCH resource and the first closed-loop power index means, for example, that the PUCCH resource is indicated with a second closed-loop power control index, and the second closed-loop power control index is the same as the aforementioned first closed-loop power control index.
  • the correlation between the PUCCH resource and the first closed-loop power index means, for example, that the PUCCH resource is indicated with a spatial relationship, and the spatial relationship includes a second closed-loop power control index, and the second closed-loop power control index is related to the aforementioned first closed-loop power index.
  • the control index is the same.
  • the PUCCH resource for sending the PUCCH may be associated with one set of power control parameters, or may be associated with two sets of power control parameters. Moreover, the above two sets of power control parameters may correspond to the same closed-loop index, or may correspond to different closed-loop indexes.
  • PUCCH resource#1 is associated with one or two sets of power control parameters according to corresponding RRC signaling or MAC-CE signaling.
  • PUCCH resource#1 is activated by RRC signaling or MAC-CE with one or two spatial relation information (spatial relation information).
  • the corresponding PUCCH transmission includes two repetitions (Rep#2-1 and Rep#2-2).
  • the PUCCH related to the first closed-loop power control index refers to, for example, the PUCCH whose PUCCH transmission occasion (PUCCH transmission occasion) corresponds to the above-mentioned first closed-loop power control index.
  • a corresponding relationship between a PUCCH transmission occasion (PUCCH transmission occasion) and a closed-loop power control index can be determined according to RRC or MAC-CE indication signaling related to the PUCCH. This application is not limited thereto.
  • the RRC or MAC-CE indication signaling is received before the beam failure recovery information is fed back.
  • the correlation between the first closed-loop power control index (l) and the group ID (k) of the beam failure detection reference signal for which beam failure is detected means that the first closed-loop power control index ( The value of l) is equal to at least one of the group ID values of the beam failure detection reference signal for which the beam failure is detected.
  • the value of the above-mentioned first closed-loop power control index (1) is equal to the value of the ID of the first beam failure detection reference signal group; wherein, the ID of the first beam failure detection reference signal group refers to the detected The ID(k) of the beam failure detection reference signal group of the beam failure corresponds to the ID of the beam failure detection reference signal group of the detected candidate reference signal for link recovery.
  • FIG. 2 to FIG. 8 will be further described below.
  • terminal equipment in a cell, is configured with two sets of beam failure detection reference signals (beam failure detection reference signal, BFD-RS), IDs are 0 and 1, respectively, corresponding to TRP #0 and TRP#1.
  • BFD-RS beam failure detection reference signal
  • the terminal equipment is also configured with two sets of candidate reference signals (candidate reference signals), IDs are 0 and 1, corresponding to TRP#0 and TRP#1, these candidate reference signals are used to determine the candidate beams for beam recovery (identifying the candidate beams for recovery).
  • the terminal device is also configured with uplink TRP PUCCH transmission, that is, at least one PUCCH resource is associated with two sets of power control parameters, and the two sets of power control parameters correspond to different closed loop indexes (close loop index).
  • the PUCCH resource may also be associated with one set of power control parameters; or, the PUCCH resource may be associated with two sets of power control parameters, and the two sets of power control parameters correspond to the same closed-loop index.
  • one PUCCH resource is associated with two sets of power control parameters, and the two sets of power control parameters correspond to different closed loop indexes respectively as an example, but not limited thereto.
  • Fig. 2 is a schematic diagram of an example of PUCCH transmission.
  • the terminal device detects the two groups of BFD-RSs, and finds that the BFD-RS group whose group ID is 0 satisfies the beam failure condition, which means that TRP #0 has failed.
  • the terminal device sends a beam failure report (BFR report), or beam failure recovery information, to the network device, where the report includes the group ID (k) of the BFD-RS group where the beam failure occurred.
  • BFR report beam failure report
  • the terminal device selects the corresponding reference signal q new,0 for link recovery by detecting the candidate reference signal related to TRP#0. q new,0 is also included in this BFR report.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • Fig. 3 is a schematic diagram of another example of PUCCH transmission.
  • the terminal device detects the two groups of BFD-RSs, and finds that the BFD-RS group whose group ID is 1 satisfies the beam failure condition, which means that TRP#1 fails.
  • the terminal device sends a beam failure report (BFR report), or beam failure recovery information, to the network device, where the report includes the group ID (k) of the BFD-RS group where the beam failure occurred.
  • BFR report beam failure report
  • the terminal device selects the corresponding reference signal q new,1 for link recovery by detecting the candidate reference signal related to TRP#1. q new,1 is also included in this BFR report.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • Fig. 4 is a schematic diagram of another example of PUCCH transmission.
  • the terminal device detects the two groups of BFD-RSs, and finds that the BFD-RS groups whose group IDs are 0 and 1 satisfy the beam failure condition, which means that both TRP#0 and TRP#1 have failed.
  • the terminal device sends a beam failure report (BFR report), or beam failure recovery information, to the network device, where the report includes the group ID (k) of the BFD-RS group where the beam failure occurred.
  • BFR report beam failure report
  • k group ID of the BFD-RS group where the beam failure occurred.
  • the terminal device selects the corresponding reference signal q new,0 for link recovery by detecting the candidate reference signal related to TRP#0; and the terminal device selects the corresponding reference signal q new, 0 for link recovery by detecting the candidate reference signal signal, in which the corresponding reference signal q new,1 for link recovery is selected.
  • q new,0 and q new,1 are also included in this BFR report.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • FIG. 5 and Figure 6 are schematic diagrams of two examples of PUCCH transmission.
  • the terminal device detects the two groups of BFD-RS, and finds that the BFD-RS groups whose group IDs are 0 and 1 all meet the beam failure condition, which means that both TRP#0 and TRP#1 have occurred. fail.
  • the terminal device sends a beam failure report (BFR report), or beam failure recovery information, to the network device, where the report includes the group ID (k) of the BFD-RS group where the beam failure occurred.
  • BFR report beam failure report
  • k group ID
  • the terminal device selects the corresponding reference signal q new,0 for link recovery by detecting the candidate reference signal related to TRP#0; however, the terminal device selects the corresponding reference signal q new,0 for link recovery by detecting the candidate reference signal related to TRP#1 signal, no corresponding reference signal for link recovery is selected. Therefore, only q new,0 is also included in this BFR report.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • FIG. 7 and FIG. 8 are schematic diagrams of other two examples of PUCCH transmission.
  • the terminal device detects these two groups of BFD-RS, and finds that the BFD-RS groups whose group IDs are 0 and 1 all meet the beam failure condition, which means that both TRP#0 and TRP#1 have occurred fail.
  • the terminal device sends a beam failure report (BFR report), or beam failure recovery information, to the network device, where the report includes the group ID (k) of the BFD-RS group where the beam failure occurred.
  • BFR report beam failure report
  • k group ID of the BFD-RS group where the beam failure occurred.
  • the terminal device does not select the corresponding reference signal for link recovery by detecting the candidate reference signal related to TRP#0; however, the terminal device selects the corresponding reference signal for link recovery by detecting the candidate reference signal related to TRP#1
  • the corresponding reference signal q new,1 for link recovery is obtained. Therefore, only q new,1 is also included in this BFR report.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • the beam failure recovery information may further include the ID(j) of the candidate reference signal group corresponding to the detected (identified) candidate reference signal ID(q new ) for link recovery.
  • the ID(k) of the beam failure detection reference signal group that detects the beam failure has a corresponding ID of the beam failure detection reference signal group of the candidate reference signal for link recovery that is detected, which means that the detection IDs of beam failure detection reference signal groups that are identical to at least one of the candidate reference signal group IDs (j) among the beam failure detection reference signal group IDs (k) of beam failures.
  • FIG. 9 and FIG. 10 are further described below.
  • terminal equipment in a cell, is configured with two sets of beam failure detection reference signals (beam failure detection reference signal, BFD-RS), IDs are 0 and 1, corresponding to TRP# 0 and TRP #1.
  • the terminal equipment is also configured with two sets of candidate reference signals (candidate reference signals), IDs are 0 and 1, corresponding to TRP#0 and TRP#1, these candidate reference signals are used to determine the candidate beams for beam recovery (identifying the candidate beams for recovery).
  • the terminal device is also configured with uplink multi-TRP PUCCH transmission, that is, at least one PUCCH resource is associated with two sets of power control references, and the two sets of power control parameters correspond to different Closed loop index.
  • FIG. 9 is a schematic diagram of an example of PUCCH transmission.
  • q new,0 and q new,1 are also included in this BFR report.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • the power control parameter P' 0 used is transmitted.
  • FIG. 10 is a schematic diagram of an example of PUCCH transmission.
  • q new,0 and q new,1 are also included in this BFR report.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • the power control parameter P' 0 used is transmitted.
  • the value of the above-mentioned first closed-loop power control index is equal to the value of the ID of the second beam failure detection reference signal group; wherein, the ID of the second beam failure detection reference signal group refers to the detected beam
  • the ID(k) of the failed beam failure detection reference signal group does not correspond to the detected beam failure detection reference signal group ID of the candidate reference signal for link recovery.
  • the value of the closed-loop power control index (l') corresponding to the first power control parameter is the same as the detected candidate reference signal ID (q new ) have the same ID value of the beam failure detection reference signal group.
  • its power control parameter (first power control parameter) is determined according to q new,0 ; and, the closed-loop index l' on which Rep#2-2 is sent corresponds to k corresponding to q new,0
  • TRP#0 detects the corresponding recovery path, at this time, the terminal device can use other
  • its power control parameter first power control parameter
  • the closed-loop index l' on which Rep#2-1 is sent corresponds to k corresponding to q new,1
  • TRP#1 detects the corresponding recovery path, at this time, the terminal device can use other
  • the value of the closed-loop power control index (l') corresponding to the first power control parameter is the same as the detected candidate reference signal ID (q new ) have the same value of the ID(j) of the candidate reference signal group used for link recovery.
  • the beam failure recovery information also includes the ID(j) of the candidate reference signal group corresponding to the detected (identified) candidate reference signal ID(q new ) for link recovery;
  • the value of the closed-loop power control index (l′) corresponding to a power control parameter is the same as the value of the ID(j) of the candidate reference signal group in the beam failure recovery information.
  • TRP#1 TRP#1
  • the first power control parameter P' 1 used by the PUCCH related to l 1 according to q new,0 .
  • terminal equipment in a cell, is configured with two sets of beam failure detection reference signals (beam failure detection reference signal, BFD-RS), ID (k) is 0 and 1, respectively Corresponds to TRP#0 and TRP#1.
  • the terminal equipment is also configured with two sets of candidate reference signals (candidate reference signals), ID(j) are 0 and 1, corresponding to TRP#0 and TRP#1, these candidate reference signals are used to determine the candidate for beam recovery Beam (identifying the candidate beams for recovery).
  • the terminal device is also configured with uplink multi-TRP PUCCH transmission, that is, at least one PUCCH resource is associated with two sets of power control references, and the two sets of power control parameters correspond to different Closed loop index.
  • FIG. 11 is a schematic diagram of an example of PUSCH transmission.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • its power P' 1 is determined according to q new,1 ; in addition, the closed-loop power control index l' corresponding to P' 0 is related to q new,1
  • the corresponding values of j (1) are equal.
  • q u and q d refer to existing standards.
  • FIG. 12 is a schematic diagram of another example of PUSCH transmission.
  • the network device receives the beam failure report (BFR report), and sends the corresponding feedback (BFR response), the terminal device receives the BFR response (BFR response), and after a certain time interval (for example, after 28 symbols) ), changing the power control parameters used for PUCCH transmission.
  • BFR report beam failure report
  • BFR response the terminal device receives the BFR response (BFR response)
  • a certain time interval for example, after 28 symbols
  • its power P' 0 is determined according to q new,0 ; in addition, the closed-loop power control index l' corresponding to P' 1 is related to q new,0
  • the corresponding values of j (1) are equal.
  • q u and q d refer to existing standards.
  • the aforementioned cell may be a serving cell (serving cell), but the present application is not limited thereto, and the aforementioned cell may also be a non-serving cell (non-serving cell).
  • the aforementioned cell may be a primary cell (PCell), or may be a PUCCH secondary cell (PUCCH-SCell). This application is not limited thereto.
  • PCell primary cell
  • PUCCH-SCell PUCCH secondary cell
  • the above-mentioned certain time interval may be 28 symbols. But the present application is not limited thereto.
  • the power control parameters of the PUCCH can be reset/updated accordingly, so as to realize the recovery of the PUCCH.
  • An embodiment of the present application provides a signal sending apparatus, for example, the apparatus may be a terminal device, or may be one or some components or components configured in the terminal device.
  • Fig. 13 is a schematic diagram of the signal sending device of the embodiment of the present application. Since the principle of solving the problem of this device is the same as the method of the embodiment of the first aspect, its specific implementation can refer to the implementation of the method of the embodiment of the first aspect , where the content is the same will not be repeated.
  • the signal sending device 1300 in the embodiment of the present application includes:
  • the beam failure recovery information includes the ID (k) of the beam failure detection reference signal group that detects the beam failure and the detected (identified) beam failure detection reference signal group for link recovery.
  • Candidate reference signal ID(q new ) wherein the terminal device is configured with two beam failure detection reference signal groups in one cell;
  • a determining unit 1302 after the terminal device receives the feedback from the network device for the beam failure recovery information, after a certain time interval, according to the detected candidate reference signal ID for link recovery (q new ) Determine the first power control parameter used to transmit the PUCCH related to the first closed-loop power control index (l) in the cell, where the first closed-loop power control index (l) is related to the detected ID(k) correlation of beam failure detection reference signal groups for beam failures.
  • the beam failure detection reference signal group in which beam failure is detected means that the radio link quality corresponding to all first reference signal resource configurations in the beam failure detection reference signal group is lower than a predefined Threshold (Q out, LR ); wherein, the first reference signal resource configuration refers to a reference signal resource configuration used by the terminal device for assessing (assess) radio link quality.
  • Threshold Q out, LR
  • the correlation between the first closed-loop power control index (l) and the group ID (k) of the beam failure detection reference signal for which beam failure is detected means that the first closed-loop power control index (l ) is equal to at least one of the group ID values of the beam failure detection reference signal for which the beam failure is detected.
  • the value of the first closed-loop power control index (1) is equal to the ID value of the first beam failure detection reference signal group; wherein, the ID of the first beam failure detection reference signal group refers to the The ID(k) of the beam failure detection reference signal group for which the beam failure is detected corresponds to the ID of the beam failure detection reference signal group for the detected candidate reference signal for link recovery.
  • the beam failure recovery information further includes the candidate reference signal group corresponding to the detected (identified) candidate reference signal ID (q new ) for link recovery ID (j); the ID (k) of the beam failure detection reference signal group that detects the beam failure has a corresponding detected beam failure detection reference signal group ID for the candidate reference signal for link recovery, It refers to the ID of the beam failure detection reference signal group that is the same as at least one of the IDs (j) of the candidate reference signal group among the IDs (k) of the beam failure detection reference signal group in which the beam failure is detected.
  • the value of the first closed-loop power control index (1) is equal to the ID value of the second beam failure detection reference signal group; wherein, the ID of the second beam failure detection reference signal group refers to the The ID(k) of the beam failure detection reference signal group for which the beam failure is detected does not correspond to the ID of the detected beam failure detection reference signal group for the candidate reference signal for link recovery.
  • the value of the closed-loop power control index (l') corresponding to the first power control parameter is the same as the detected candidate reference signal ID (q new ) have the same ID value of the beam failure detection reference signal group.
  • the value of the closed-loop power control index (l') corresponding to the first power control parameter is the same as the detected candidate reference signal ID (q new ) have the same ID value of the candidate reference signal group used for link recovery.
  • the beam failure recovery information further includes the candidate reference signal group corresponding to the detected (identified) candidate reference signal ID (q new ) for link recovery ID(j); the value of the closed-loop power control index (l') corresponding to the first power control parameter is the same as the value of the ID(j) of the candidate reference signal group in the beam failure recovery information.
  • the PUCCH related to the first closed-loop power control index refers to that the PUCCH resource for sending the PUCCH is related to the first closed-loop power control index.
  • the correlation between the PUCCH resource and the first closed-loop power index means that the PUCCH resource is indicated with a second closed-loop power control index; wherein, the first closed-loop power The control index is the same as the second closed-loop power control index.
  • the correlation between the PUCCH resource and the first closed-loop power index means that the PUCCH resource is indicated with a spatial relationship; wherein the spatial relationship includes the second closed-loop power index Control index; the first closed-loop power control index is the same as the second closed-loop power control index.
  • the PUCCH resource on which the PUCCH is transmitted is associated with a set of power control parameters.
  • the PUCCH resource for transmitting the PUCCH is associated with two sets of power control parameters.
  • the two sets of power control parameters correspond to different close loop indexes.
  • the two sets of power control parameters correspond to the same close loop index.
  • the PUCCH related to the first closed-loop power control index refers to the PUCCH whose PUCCH transmission occasion (PUCCH transmission occasion) corresponds to the first closed-loop power control index.
  • the corresponding relationship between a PUCCH transmission occasion (PUCCH transmission occasion) and a closed-loop power control index is determined according to RRC or MAC-CE indication signaling related to PUCCH.
  • the RRC or MAC-CE indication signaling is received before the beam failure recovery information is fed back.
  • the cell refers to a serving cell or a non-serving cell.
  • the cell refers to a primary cell (PCell) or a PUCCH secondary cell (PUCCH-SCell).
  • PCell primary cell
  • PUCCH-SCell PUCCH secondary cell
  • the certain time interval is 28 symbols.
  • the signal sending apparatus 1300 in the embodiment of the present application may further include other components or modules, and for specific content of these components or modules, reference may be made to related technologies.
  • FIG. 13 only exemplarily shows the connection relationship or signal direction between various components or modules, but it should be clear to those skilled in the art that various related technologies such as bus connection can be used.
  • the above-mentioned components or modules may be implemented by hardware facilities such as processors, memories, transmitters, receivers, etc.; the implementation of the present application is not limited thereto.
  • the PUCCH power parameter can be reset after beam failure occurs, so as to realize the recovery of the PUCCH.
  • FIG. 14 is a schematic diagram of the communication system of the embodiment of the present application.
  • the communication system 1400 includes a network device 1401 and a terminal device 1402.
  • FIG. A terminal device and a network device are used as an example for illustration, but this embodiment of the present application is not limited thereto.
  • eMBB enhanced mobile broadband
  • mMTC massive machine-type communication
  • URLLC highly reliable low-latency communication
  • V2X vehicle-to-everything
  • the terminal device 1402 is configured to: send beam failure recovery information to the network device 1401, where the beam failure recovery information includes the ID(k) of the beam failure detection reference signal group and the detected (identified) candidate reference signal ID (q new ) for link recovery, wherein, the terminal device is configured with two beam failure detection reference signal groups in one cell; after receiving the network device 1401 for After the beam failure recovery information is fed back, after a certain time interval, determine the transmission and first closed-loop power control index in the cell according to the detected candidate reference signal ID(q new ) for link recovery (1)
  • the first power control parameter used by the relevant PUCCH, wherein the first closed-loop power control index (1) is related to the ID (k) of the beam failure detection reference signal group that detects the beam failure
  • the network The device 1401 is configured to: receive the beam failure recovery information sent by the terminal device 1402, and send feedback on the beam failure recovery information to the terminal device 1402.
  • the present application does not make limitations on the content related to the network device 1401 .
  • Relevant content about the terminal device 1402 is the same as the method in the embodiment of the first aspect, and description is omitted here.
  • the embodiment of the present application further provides a terminal device, and the terminal device may be, for example, a UE, but the present application is not limited thereto, and may also be other devices.
  • Fig. 15 is a schematic diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 1500 may include a processor 1501 and a memory 1502 ; the memory 1502 stores data and programs, and is coupled to the processor 1501 .
  • this figure is exemplary; other types of structures may also be used in addition to or instead of this structure to implement telecommunication functions or other functions.
  • the processor 1501 may be configured to execute a program to implement the method described in the embodiment of the first aspect.
  • the terminal device 1500 may further include: a communication module 1503 , an input unit 1504 , a display 1505 , and a power supply 1506 .
  • a communication module 1503 the terminal device 1500 may further include: a communication module 1503 , an input unit 1504 , a display 1505 , and a power supply 1506 .
  • the functions of the above components are similar to those of the prior art, and will not be repeated here. It should be noted that the terminal device 1500 does not necessarily include all the components shown in FIG. have technology.
  • An embodiment of the present application further provides a computer-readable program, wherein when the program is executed in a terminal device, the program causes a computer to execute the method described in the embodiment of the first aspect in the terminal device.
  • An embodiment of the present application further provides a storage medium storing a computer-readable program, wherein the computer-readable program enables a computer to execute the method described in the embodiment of the first aspect in a terminal device.
  • the above devices and methods in this application can be implemented by hardware, or by combining hardware and software.
  • the present application relates to a computer-readable program that, when executed by a logic component, enables the logic component to realize the above-mentioned device or constituent component, or enables the logic component to realize the above-mentioned various methods or steps.
  • Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
  • the present application also relates to storage media for storing the above programs, such as hard disks, magnetic disks, optical disks, DVDs, flash memories, and the like.
  • the method/device described in conjunction with the embodiments of the present application may be directly embodied as hardware, a software module executed by a processor, or a combination of both.
  • one or more of the functional block diagrams shown in the figure and/or one or more combinations of the functional block diagrams may correspond to each software module or each hardware module of the computer program flow.
  • These software modules may respectively correspond to the steps shown in the figure.
  • These hardware modules for example, can be realized by solidifying these software modules by using a Field Programmable Gate Array (FPGA).
  • FPGA Field Programmable Gate Array
  • a software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor such that the processor can read information from, and write information to, the storage medium, or it can be an integral part of the processor.
  • the processor and storage medium can be located in the ASIC.
  • the software module can be stored in the memory of the mobile terminal, or can be stored in a memory card that can be inserted into the mobile terminal.
  • the software module can be stored in the MEGA-SIM card or large-capacity flash memory device.
  • One or more of the functional blocks described in the accompanying drawings and/or one or more combinations of the functional blocks can be implemented as a general-purpose processor, a digital signal processor (DSP) for performing the functions described in this application ), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any suitable combination thereof.
  • DSP digital signal processor
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • One or more of the functional blocks described in the drawings and/or one or more combinations of the functional blocks can also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, a plurality of microprocessors processor, one or more microprocessors in communication with a DSP, or any other such configuration.
  • a signal transmission method wherein the method comprises:
  • the terminal device sends beam failure recovery information to the network device, and the beam failure recovery information includes the ID (k) of the beam failure detection reference signal group that detects the beam failure and the detected (identified) candidate reference signal for link recovery Signal ID(q new ), wherein the terminal device is configured with two beam failure detection reference signal groups in one cell;
  • the terminal device After receiving the feedback from the network device on the beam failure recovery information, the terminal device determines according to the detected candidate reference signal ID(q new ) for link recovery after a certain time interval In the cell, the first power control parameter used by the PUCCH related to the first closed-loop power control index (1) is sent, wherein the first closed-loop power control index (1) is related to the detected beam failure
  • the ID(k) of the detection reference signal group is correlated.
  • the beam failure detection reference signal group for which beam failure is detected means that the wireless link quality corresponding to all first reference signal resource configurations in the beam failure detection reference signal group is lower than a predefined threshold (Q out, LR );
  • the first reference signal resource configuration refers to a reference signal resource configuration used by the terminal device to assess (assess) radio link quality.
  • the correlation between the first closed-loop power control index (l) and the group ID (k) of the beam failure detection reference signal for which the beam failure is detected means that,
  • the value of the first closed-loop power control index is equal to at least one of the group ID values of the beam failure detection reference signal in which the beam failure is detected.
  • the value of the first closed-loop power control index (1) is equal to the ID value of the first beam failure detection reference signal group; wherein, the ID of the first beam failure detection reference signal group refers to,
  • the ID(k) of the beam failure detection reference signal group for which the beam failure is detected corresponds to the ID of the detected beam failure detection reference signal group of the candidate reference signal for link restoration.
  • the beam failure recovery information also includes the ID(j) of the candidate reference signal group corresponding to the detected (identified) candidate reference signal ID(q new ) for link recovery;
  • the ID(k) of the beam failure detection reference signal group for which the beam failure is detected has a corresponding ID of the beam failure detection reference signal group for the detected candidate reference signal for link recovery, which means,
  • IDs of beam failure detection reference signal groups that are identical to at least one of the IDs (j) of the candidate reference signal groups among the IDs (k) of beam failure detection reference signal groups for which beam failure is detected.
  • the value of the first closed-loop power control index is equal to the value of the ID of the second beam failure detection reference signal group; wherein, the ID of the second beam failure detection reference signal group refers to,
  • the ID(k) of the beam failure detection reference signal group for which the beam failure is detected does not correspond to the ID of the detected beam failure detection reference signal group of the candidate reference signal for link restoration.
  • the value of the closed-loop power control index (l') corresponding to the first power control parameter and the beam failure detection reference signal group corresponding to the detected candidate reference signal ID (q new ) for link recovery The value of ID is the same.
  • the value of the closed-loop power control index (l') corresponding to the first power control parameter and the candidate reference signal for link recovery where the detected candidate reference signal ID (q new ) for link recovery is located The ID values of the signal groups are the same.
  • the beam failure recovery information also includes the ID(j) of the candidate reference signal group corresponding to the detected (identified) candidate reference signal ID(q new ) for link recovery;
  • the value of the closed-loop power control index (l') corresponding to the first power control parameter is the same as the value of the ID(j) of the candidate reference signal group in the beam failure recovery information.
  • the PUCCH related to the first closed-loop power control index refers to that the PUCCH resource for sending the PUCCH is related to the first closed-loop power control index.
  • the correlation between the PUCCH resource and the first closed-loop power index means that the PUCCH resource is indicated with a second closed-loop power control index; wherein, the first closed-loop power control index is the same as the second closed-loop power control index .
  • the correlation between the PUCCH resource and the first closed-loop power index means that the PUCCH resource is indicated with a spatial relationship;
  • the spatial relationship includes a second closed-loop power control index
  • the first closed-loop power control index is the same as the second closed-loop power control index.
  • the PUCCH resource for sending the PUCCH is associated with a set of power control parameters.
  • the PUCCH resource for sending the PUCCH is associated with two sets of power control parameters.
  • the two sets of power control parameters correspond to different closed loop indexes.
  • the two sets of power control parameters correspond to the same closed loop index.
  • the PUCCH related to the first closed-loop power control index refers to the PUCCH whose PUCCH transmission occasion (PUCCH transmission occasion) corresponds to the first closed-loop power control index.
  • the corresponding relationship between a PUCCH transmission occasion (PUCCH transmission occasion) and a closed-loop power control index is determined according to the RRC or MAC-CE indication signaling related to the PUCCH.
  • the RRC or MAC-CE indication signaling is received before the beam failure recovery information is fed back.
  • the cell refers to a serving cell or a non-serving cell.
  • the cell refers to a primary cell (PCell) or a PUCCH secondary cell (PUCCH-SCell).
  • PCell primary cell
  • PUCCH-SCell PUCCH secondary cell
  • the certain time interval is 28 symbols.
  • a terminal device comprising a memory and a processor, the memory stores a computer program, and the processor is configured to execute the computer program to implement the method described in any one of Supplements 1 to 21.
  • a communication system comprising a terminal device and a network device, wherein,
  • the end device is configured to:
  • the beam failure recovery information includes the ID (k) of the beam failure detection reference signal group that detects the beam failure and the detected (identified) candidate reference signal ID for link recovery (q new ), wherein, the terminal device is configured with two beam failure detection reference signal groups in one cell;
  • the network device is configured to: receive the beam failure recovery information sent by the terminal device, and send feedback on the beam failure recovery information to the terminal device.

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

Abstract

Des modes de réalisation de la présente demande concernent un procédé et un appareil d'envoi de signaux et un système. Le procédé comprend : un dispositif terminal envoie des informations de reprise sur défaillance de faisceau à un dispositif de réseau, les informations de reprise sur défaillance de faisceau comprenant un identifiant d'un groupe de signaux de référence d'identification de défaillance de faisceau qui identifie une défaillance de faisceau et un identifiant d'un signal de référence candidat identifié utilisé pour la reprise de liaison et le dispositif terminal étant pourvu de deux groupes de signaux de référence d'identification de défaillance de faisceau dans une cellule ; après réception d'une rétroaction provenant du dispositif de réseau sur les informations de reprise sur défaillance de faisceau et après un intervalle de temps défini, le dispositif terminal, en fonction de l'identifiant du signal de référence candidat identifié utilisé pour la reprise de liaison, détermine un premier paramètre de commande de puissance utilisé par la cellule pour envoyer un PUCCH associé à un premier indice de commande de puissance en boucle fermée, le premier indice de commande de puissance en boucle fermée étant associé à l'identifiant du groupe de signaux de référence d'identification de défaillance de faisceau qui identifie une défaillance de faisceau.
PCT/CN2021/111043 2021-08-05 2021-08-05 Procédé et appareil d'envoi de signaux et système WO2023010478A1 (fr)

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CN110475353A (zh) * 2018-05-11 2019-11-19 华为技术有限公司 链路恢复的方法和装置
US20200100154A1 (en) * 2018-09-25 2020-03-26 Comcast Cable Communications, Llc Beam configuration for secondary cells
WO2020204323A1 (fr) * 2019-03-29 2020-10-08 엘지전자 주식회사 Procédé de rapport d'informations d'état de canal d'un terminal sur la base d'une commande de puissance d'un canal de commande de liaison montante dans un système de communication sans fil, ainsi que terminal et station de base prenant en charge le procédé
WO2021075339A1 (fr) * 2019-10-18 2021-04-22 株式会社Ｎｔｔドコモ Terminal et procédé de communication sans fil

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CN110475353A (zh) * 2018-05-11 2019-11-19 华为技术有限公司 链路恢复的方法和装置
US20200100154A1 (en) * 2018-09-25 2020-03-26 Comcast Cable Communications, Llc Beam configuration for secondary cells
WO2020204323A1 (fr) * 2019-03-29 2020-10-08 엘지전자 주식회사 Procédé de rapport d'informations d'état de canal d'un terminal sur la base d'une commande de puissance d'un canal de commande de liaison montante dans un système de communication sans fil, ainsi que terminal et station de base prenant en charge le procédé
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