WO2021088089A1 - 链路质量监测方法及相关产品 - Google Patents

链路质量监测方法及相关产品 Download PDF

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Publication number
WO2021088089A1
WO2021088089A1 PCT/CN2019/116890 CN2019116890W WO2021088089A1 WO 2021088089 A1 WO2021088089 A1 WO 2021088089A1 CN 2019116890 W CN2019116890 W CN 2019116890W WO 2021088089 A1 WO2021088089 A1 WO 2021088089A1
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WIPO (PCT)
Prior art keywords
rlm
resource
candidate
candidate resources
resources
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PCT/CN2019/116890
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English (en)
French (fr)
Inventor
吴作敏
田文强
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP19951836.6A priority Critical patent/EP4057676A4/en
Priority to PCT/CN2019/116890 priority patent/WO2021088089A1/zh
Priority to CN201980101677.5A priority patent/CN114600494A/zh
Publication of WO2021088089A1 publication Critical patent/WO2021088089A1/zh
Priority to US17/736,618 priority patent/US20220264344A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others

Definitions

  • This application relates to the field of communication technology, and in particular to a link quality monitoring method and related products.
  • Unlicensed spectrum is a spectrum that can be used for radio equipment communications divided by countries and regions. This spectrum is usually considered to be a shared spectrum, that is, communication devices in different communication systems as long as they meet the regulatory requirements set by the country or region on the spectrum. To use this spectrum, there is no need to apply for a proprietary spectrum authorization from the government.
  • RLM-RS Radio link monitoring Reference
  • UE user equipment
  • the embodiments of the present application provide a link quality monitoring method and related products, which can effectively evaluate the quality of a downlink wireless link.
  • the first aspect of the embodiments of the present application provides a link quality monitoring method, which is applied to a terminal device, and the method includes:
  • the first radio link monitoring reference signal RLM-RS resource Acquire the first radio link monitoring reference signal RLM-RS resource, where the first RLM-RS resource is a resource among the M first RLM-RS candidate resources, and K among the M first RLM-RS candidate resources
  • the first RLM-RS candidate resources are used to transmit the first RLM-RS, M and K are positive integers, and K is less than or equal to M;
  • a second aspect of the embodiments of the present application provides a link quality monitoring device, which is applied to terminal equipment, and the device includes:
  • the acquiring unit is configured to acquire a first radio link monitoring reference signal RLM-RS resource, where the first RLM-RS resource is a resource among M first RLM-RS candidate resources, and the M first RLM-RS
  • the K first RLM-RS candidate resources in the candidate resources are used to transmit the first RLM-RS, M and K are positive integers, and K is less than or equal to M;
  • the monitoring unit is configured to perform radio link quality monitoring according to the first RLM-RS resource.
  • a third aspect of the embodiments of the present application provides an electronic device, including a memory, a communication interface, and one or more programs.
  • the one or more programs are stored in the memory and configured by the processor. Execution, the program includes instructions for executing the steps in the method described in the first aspect above.
  • a fourth aspect of the embodiments of the present application provides a computer-readable storage medium that stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute the method described in the above-mentioned first aspect.
  • the fifth aspect of the embodiments of the present application provides a computer program product, wherein the above-mentioned computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the above-mentioned computer program is operable to cause a computer to execute as implemented in this application.
  • the computer program product may be a software installation package.
  • the first RLM-RS resource is a resource among the M first RLM-RS candidate resources, and among the M first RLM-RS candidate resources,
  • the K first RLM-RS candidate resources are used to transmit the first RLM-RS, and M and K are positive integers.
  • the quality of the radio link is monitored according to the first RLM-RS resource, which is not accurate compared to existing solutions It can be used to determine whether the poor wireless link quality is the real poor wireless link quality. After the exact RLM-RS resource is determined, the link quality can be monitored based on the RLM-RS resource, and the wireless link can be monitored more accurately. Link quality monitoring.
  • Figure 1 provides a schematic diagram of a communication system architecture for an embodiment of the application
  • FIG. 2 is a schematic flowchart of a method for monitoring link quality according to an embodiment of this application
  • FIG. 3 is a schematic diagram of a DRS transmission window provided in an embodiment of this application.
  • FIG. 4 is a schematic structural diagram of an electronic device provided by an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of a link quality monitoring device provided in an embodiment of the application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • New Radio, NR evolution of NR system
  • LTE LTE-based access to unlicensed spectrum
  • LTE-U Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • the communication system in the embodiments of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) deployment.
  • CA Carrier Aggregation
  • DC dual connectivity
  • SA standalone
  • the embodiment of the application does not limit the applied frequency spectrum.
  • the embodiments of this application can be applied to licensed spectrum or unlicensed spectrum.
  • FIG. 1 provides a schematic diagram of the architecture of a communication system according to an embodiment of the application.
  • the communication system includes network equipment and terminal equipment. As shown in Figure 1, network devices can communicate with terminal devices.
  • the communication system may be a 5G communication system (for example, a new radio (NR)), a communication system that integrates multiple communication technologies (for example, a communication system that integrates LTE technology and NR technology), or a subsequent evolved communication system.
  • NR new radio
  • the form and quantity of the network equipment and terminal equipment shown in FIG. 1 are only for example, and do not constitute a limitation to the embodiment of the present application.
  • the terminal device in this application is a device with wireless communication function, which can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed on In the air (e.g. airplanes, balloons, satellites, etc.).
  • the terminal device can be a mobile phone, a tablet computer (pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, and an industrial control (industrial control) terminal device.
  • VR virtual reality
  • AR augmented reality
  • industrial control industrial control
  • Wireless terminal in control), wireless terminal in self-driving (self-driving), wireless terminal in remote medical (remote medical), wireless terminal in smart grid (smart grid), wireless terminal in smart home (smart home) Terminal and so on.
  • the terminal device can also be a handheld device with a wireless communication function, a vehicle-mounted device, a wearable device, a computer device, or other processing device connected to a wireless modem.
  • terminal equipment can be called different names, such as: terminal equipment, access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication Device, user agent or user device, cellular phone, cordless phone, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital assistant (PDA), Terminal equipment in 5G network or future evolution network, etc.
  • terminal equipment access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication Device, user agent or user device, cellular phone, cordless phone, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital assistant (PDA), Terminal equipment in 5G network or future evolution network, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device in this application is a device deployed on a wireless access network to provide wireless communication functions.
  • the network device may be a radio access network (Radio Access Network, RAN) device on the access network side of a cellular network.
  • the so-called RAN device is a device that connects terminal devices to the wireless network, including but not limited to: Evolved Node B (evolved Node B, eNB), radio network controller (RNC), Node B (Node B, NB), base station controller (Base Station Controller, BSC), base transceiver station (Base Transceiver) Station, BTS), home base station (for example, Home evolved Node B, or Home Node B, HNB), base band unit (BBU), management entity (Mobility Management Entity, MME); for another example, network equipment can also be It is a node device in a wireless local area network (Wireless Local Area Network, WLAN), such as an access controller (AC), a gateway, or a WIFI access point (Access Point,
  • Unlicensed spectrum is a spectrum that can be used for radio equipment communications divided by countries and regions. This spectrum is usually considered to be a shared spectrum, that is, communication devices in different communication systems as long as they meet the regulatory requirements set by the country or region on the spectrum. To use this spectrum, there is no need to apply for a proprietary spectrum authorization from the government.
  • FIG. 2 is a schematic flowchart of a method for monitoring link quality according to an embodiment of the application. As shown in Figure 2, the link quality monitoring method is applied to terminal equipment, and the method includes steps S201-S202, which are specifically as follows:
  • RLM-RS resource is a resource among the M first RLM-RS candidate resources, and the Kth among the M first RLM-RS candidate resources
  • An RLM-RS candidate resource is used to transmit the first RLM-RS, and M and K are positive integers.
  • K is less than or equal to M.
  • the first RLM-RS resource includes synchronization signal block (Synchronization Signal/PBCH Block, SSB) resources and/or channel state information reference signal (Channel State Information Reference Signal, CSI-RS) resources.
  • synchronization signal block Synchronization Signal/PBCH Block, SSB
  • channel state information reference signal Channel State Information Reference Signal, CSI-RS
  • the first RLM-RS candidate resource can be understood as a resource that can be used to transmit RLM-RS, and it can transmit RLM-RS or be in an idle state without transmitting RLM-RS.
  • S202 Perform radio link quality monitoring according to the first RLM-RS resource.
  • the terminal device When the terminal device performs radio link quality detection, the terminal device is used to perform the downlink radio link on the primary cell (Primary Cell, PCell) or dual connectivity (Dual Connectivity, DC) secondary primary cell (Primary SCG Cell, PSCell)
  • the purpose of road monitoring can be to report out-of-sync (OOS)/in-sync (IS) status indications to higher layers.
  • OOS out-of-sync
  • IS in-sync
  • the first RLM-RS resource is the resource among the M first RLM-RS candidate resources, and the first RLM-RS resource is the resource among the M first RLM-RS candidate resources.
  • the K first RLM-RS candidate resources are used to transmit the first RLM-RS, and M and K are positive integers.
  • the quality of the radio link is monitored according to the first RLM-RS resource, which cannot be accurately determined compared to the existing scheme Check whether the poor wireless link quality is the real bad wireless link quality. After the exact RLM-RS resource is determined, the link quality can be monitored based on the RLM-RS resource, so that the wireless link can be performed more accurately. Quality monitoring.
  • the K first RLM-RS candidate resources among the M first RLM-RS candidate resources are used to transmit the first RLM-RS, which may include the following methods:
  • the number of first RLM-RS candidate resources that obtain channel usage rights among the M first RLM-RS candidate resources is greater than or equal to K, then K of the M first RLM-RS candidate resources obtain the first channel usage rights
  • the RLM-RS candidate resource is used to transmit the first RLM-RS; or,
  • the number of first RLM-RS candidate resources that have obtained channel use rights is less than K, and among the M first RLM-RS candidate resources, the first RLM-RS candidate resources that have obtained channel use rights are used To transmit the first RLM-RS.
  • the terminal device may detect the M first RLM-RS candidate resources, and determine the first RLM-RS candidate resource that transmits the first RLM-RS among the M first RLM-RS candidate resources.
  • the specific detection method can refer to the detection method in the prior art, which will not be repeated here.
  • K may be selected from the first RLM-RS candidate resources obtained the channel use right to transmit the RLM-RS.
  • the first RLM-RS candidate resource for obtaining the channel use right is less than K, then all the first RLM-RS candidate resources obtained for transmitting the RLM-RS are used.
  • the terminal device determines K first RLM-RS candidate resources among the M first RLM-RS candidate resources for radio link monitoring, including the following methods:
  • the terminal device detects the M first RLM-RS candidate resources, and determines the first RLM-RS candidate resource that transmits the first RLM-RS among the M first RLM-RS candidate resources. If the M first RLM-RS candidate resources are In the RLM-RS candidate resources, it is determined that the number of first RLM-RS candidate resources that have transmitted the first RLM-RS is greater than K, then K of the M first RLM-RS candidate resources are determined to have transmitted the first RLM-RS.
  • the first RLM-RS candidate resource of the RS is used for radio link monitoring; or,
  • the number of first RLM-RS candidate resources determined to transmit the first RLM-RS is less than or equal to K, and among the M first RLM-RS candidate resources, it is determined that the first RLM-RS candidate resources are transmitted
  • the first RLM-RS candidate resource of the first RLM-RS is used for radio link monitoring.
  • the terminal device when the terminal device determines that the number of first RLM-RS candidate resources that have transmitted the first RLM-RS is greater than K, it may select from the first RLM-RS candidate resources that are determined to have transmitted the first RLM-RS. K pieces, used for wireless link monitoring.
  • the terminal device determines that the number of first RLM-RS candidate resources that have transmitted the first RLM-RS is less than or equal to K, it uses all the first RLM-RS candidate resources that have determined that the first RLM-RS has been transmitted for the wireless link Road monitoring.
  • the first RLM-RS resource includes K first RLM-RS candidate resources with the best channel quality among the M first RLM-RS candidate resources.
  • the K first RLM-RS candidate resources with the best channel quality can be understood as: the K first RLM-RS candidate resources with the highest channel quality evaluation parameters.
  • K can be a positive integer, etc.
  • the first RLM-RS resource includes the K first RLM-RS candidate resources with the best channel quality among the M first RLM-RS candidate resources, which can be understood as: assuming that the terminal device knows the locations of the M first candidate resources Then, the channel quality of the M first candidate resource positions can be directly detected, and the K first RLM-RS candidate resources with the best channel quality are determined as the first RLM-RS resources.
  • RLM-RS candidate resource 0 For example, suppose there are 5 first RLM-RS candidate resources, for example, RLM-RS candidate resource 0, RLM-RS candidate resource 1, RLM-RS candidate resource 2, RLM-RS candidate resource 3, RLM-RS candidate Resource 4.
  • the signal-to-noise ratio of the channel of RLM-RS candidate resource 0 is 10dB
  • the signal-to-noise ratio of the channel of RLM-RS candidate resource 1 is 8dB
  • the signal-to-noise ratio of the channel of RLM-RS candidate resource 2 is 15dB
  • RLM-RS The signal-to-noise ratio of the channel of candidate resource 3 is 5dB
  • the signal-to-noise ratio of the channel of RLM-RS candidate resource 4 is 20dB.
  • the RS candidate resource can be understood as (in terms of the signal-to-noise ratio of the channel from high to low): RLM-RS candidate resource 4, RLM-RS candidate resource 2, RLM-RS candidate resource 0. It should be noted that the above examples are only examples, and any method for determining the K first RLM-RS candidate resources with the best channel quality among the M first RLM-RS candidate resources based on the above examples is within the protection scope of this application. Inside. I won't go into too much detail here.
  • the terminal device may assume that the network device can always send the first RLM-RS candidate resource through at least part of the multiple first RLM-RS candidate resource locations.
  • RLM-RS therefore, the terminal device may not detect the existence of the first RLM-RS, but directly select the RLM-RS candidate resource with the best channel quality as the first RLM-RS resource based on the channel quality status at the position of the candidate resource , Can improve the efficiency when determining the first RLM-RS resource.
  • the first RLM-RS resource includes the first RLM-RS candidate resource that the terminal device determines to transmit the first RLM-RS among the M first RLM-RS candidate resources.
  • the method for the terminal device to determine the first RLM-RS candidate resource for transmitting the first RLM-RS may be: determining the first RLM-RS for transmitting the first RLM-RS according to the detection result of the first RLM-RS or other indication information. RS candidate resources.
  • the first RLM-RS candidate resource for transmitting the first RLM-RS can be determined by detecting whether the first RLM-RS candidate resource has the first RLM-RS. It can directly detect the first RLM-RS, which improves the accuracy when determining the first RLM-RS candidate resource.
  • the terminal device determining the first RLM-RS candidate resource for transmitting the first RLM-RS includes:
  • the terminal device determines the first RLM-RS candidate resource for transmitting the first RLM-RS according to the detection result of the first RLM-RS on the M first RLM-RS candidate resources; and/or,
  • the terminal device determines the first RLM-RS candidate resource for transmitting the first RLM-RS according to the first information.
  • the detection result may include the existence detection result, that is, whether the first RLM-RS exists. If the first RLM-RS exists, the corresponding first RLM-RS candidate resource is determined to be the first RLM transmitting the first RLM-RS -RS candidate resources.
  • the first information includes at least one of the following: Channel Occupancy Time (COT) indication information and detection information of the second RLM-RS.
  • COT Channel Occupancy Time
  • the first RLM-RS resource includes K first RLM-RS candidate resources with the worst channel quality among the M first RLM-RS candidate resources.
  • the K first RLM-RS candidate resources with the worst channel quality can be understood as: the K first RLM-RS candidate resources with the lowest channel quality evaluation parameters.
  • a method for monitoring radio link quality according to the first RLM-RS resource includes:
  • the synchronization evaluation period it is evaluated whether the downlink radio link quality estimated on the first RLM-RS resource is higher than the synchronization threshold.
  • the synchronization threshold Q in corresponds to a block error rate (BLER) value
  • the synchronization threshold Q in corresponds to a block error rate (BLER) value that can be obtained through a high-level parameter configured by the network, for example, rlmInSyncOutOfSyncThreshold.
  • a high-level parameter configured by the network for example, rlmInSyncOutOfSyncThreshold.
  • the terminal device is not configured by the network device with the synchronization threshold Q in corresponding to the block error rate (BLER) value, it can be obtained through pre-configured parameters.
  • the synchronization threshold Q in corresponding to the block error rate (BLER) value can be 2% Wait.
  • the terminal device When the quality of the downlink radio link on at least one first RLM-RS resource is better than Q in , the terminal device reports a synchronous IS indication to the higher layer, where the reported IS indication needs to be filtered by layer 3.
  • the synchronization evaluation period is an integer multiple of the period of the first discovery reference signal (Discovery Reference Signal, DRS) transmission window.
  • DRS Digital Reference Signal
  • M RLM-RS candidate resources are included in the first DRS transmission window.
  • another method of performing radio link quality monitoring based on the first RLM-RS resource includes:
  • the out-of-synchronization evaluation period it is determined whether the estimated downlink radio link quality on the first RLM-RS resource is lower than the out-of-synchronization threshold.
  • the synchronization threshold Q out corresponds to a block error rate (BLER) value
  • the synchronization threshold Q out corresponds to a block error rate (BLER) value that can be obtained through a high-level parameter configured by the network, for example, rlmInSyncOutOfSyncThreshold.
  • the synchronization threshold Q out corresponding to the block error rate (BLER) value can be obtained through pre-configured parameters.
  • the synchronization threshold Q out corresponding to the block error rate (BLER) value can be 10% Wait.
  • the terminal device reports an out of synchronization (OOS) indication to the upper layer, where the reported OOS indication requires layer 3 filtering.
  • OOS out of synchronization
  • the out-of-synchronization evaluation period is an integer multiple of the period of the second DRS transmission window.
  • M RLM-RS candidate resources are included in the second DRS transmission window.
  • the DRS transmission window may include a first DRS transmission window and a second DRS transmission window.
  • the SSB in the DRS transmission window may have multiple candidate positions, and each candidate position may be considered as an SSB candidate resource.
  • the terminal device may determine the QCL (Quasi-co-located, QCL) relationship of at least two SSB candidate positions among the multiple SSB candidate positions according to the Q value, and determine the reception of the SSB according to the QCL relationship.
  • QCL Quasi-co-located, QCL
  • the network device sends the SSB within the DRS transmission window, it can make multiple LBT (listen before send) attempts, and after the LBT is successful, it can determine at least one candidate to obtain the channel use right according to the QCL relationship among the multiple candidate positions Location for SSB transmission.
  • the value range of Q is ⁇ 1,2,4,8 ⁇ , of course, it can also be other values.
  • the terminal device may assume that the SSBs sent at the SSB candidate locations with the same QCL relationship have the same QCL relationship, or that if the network device sends the SSB at the SSB candidate locations with the same QCL relationship, then the network device should use the same QCL relationship. Beam.
  • SSB candidate positions with the same mod have the same QCL relationship, where A is the index of the SSB candidate position or A is the index of the SSB, and mod is a modulo operation.
  • the Q value is indicated by the network device to the terminal device or the Q value is preset.
  • FIG. 3 provides a schematic diagram of a DRS transmission window according to an embodiment of the application.
  • n is an integer greater than or equal to 0.
  • M and Q are the same value.
  • the set of SSB candidate positions in the DRS transmission window includes 20 SSB candidate positions, the value of A ranges from 0 to 19, and the value of Q is 4.
  • the synchronization evaluation period is an integer multiple of the period of the first DRS transmission window, and the out-of-synchronization evaluation period is an integer multiple of the period of the second DRS transmission window.
  • the evaluation cycle in the figure can be a synchronous evaluation cycle or an out-of-synchronization evaluation cycle.
  • the terminal device can determine the QCL relationship of the 20 SSB candidate positions according to the Q value as:
  • the SSB candidate positions with the same QCL relationship are represented by the same number.
  • one SSB can be transmitted through at least one of the SSB candidate positions with the same QCL relationship.
  • the network device may select candidate positions for obtaining the channel use right from among the SSB candidate positions in the DRS transmission window according to the LBT result for SSB transmission.
  • SSB#0 can be transmitted through at least one of the candidate positions labeled 0 in Figure 3
  • SSB#1 can be transmitted through at least one of the candidate locations labeled 1 in Figure 3
  • SSB#2 can be transmitted through at least one of the candidate positions labeled 1 in Figure 3.
  • At least one of the candidate positions numbered 2 is transmitted, and SSB#3 can be transmitted through at least one of the candidate positions numbered 3 in FIG. 3.
  • the SSB actually sent by the network device is SSB#0, SSB#2, and SSB#3.
  • Both the IS evaluation period and the OOS evaluation period include the first DRS transmission window and the second DRS transmission window.
  • the terminal device determines the first RLM-RS resource in the DRS transmission window according to at least one of the following situations (here, the first DRS transmission window is taken as an example, and the second DRS transmission window is also applicable to this method ):
  • the terminal device detects SSB#2 on SSB14 in the candidate positions corresponding to SSB2, 6, 10, 14, 18 in the first DRS transmission window, then the terminal device determines that the first RLM-RS resource includes SSB14;
  • the terminal device determines that the first RLM-RS resource does not include the first DRS transmission window SSB 2, 6, 10, 14, 18;
  • the terminal device performs measurement at the candidate positions of SSB 2, 6, 10, 14, 18 in the first DRS transmission window, and determines that the first RLM-RS resource corresponding to SSB#2 includes the channel in the measurement result at the candidate position.
  • the best quality candidate position
  • the terminal device determines that the first RLM-RS resource includes SSB11;
  • the terminal device does not detect SSB#3 in the candidate positions corresponding to SSB 3, 7, 11, 15, 19 in the first DRS transmission window, then the terminal device determines that the first RLM-RS resource does not include the first DRS transmission window SSB 3, 7, 11, 15, 19;
  • the terminal device performs measurement at the candidate positions of SSB 3, 7, 11, 15, 19 in the first DRS transmission window, and determines that the first RLM-RS resource corresponding to SSB#3 includes the channel in the measurement result at the candidate position. The best quality candidate position.
  • the terminal device estimates the downlink radio link quality on the above-mentioned first RLM-RS resource and compares it with the threshold Qin, so as to perform RLM.
  • the terminal device determines the first RLM-RS resource in the DRS transmission window according to at least one of the following situations (here, the first DRS transmission window is taken as an example, and the second DRS transmission window is also applicable to this method ):
  • the terminal device detects SSB#2 on SSB14 in the candidate positions corresponding to SSB2, 6, 10, 14, 18 in the first DRS transmission window, then the terminal device determines that the first RLM-RS resource includes SSB14;
  • the terminal device performs measurement at the candidate positions of SSB 2, 6, 10, 14, 18 in the first DRS transmission window, and determines that the first RLM-RS resource corresponding to SSB#2 includes the channel in the measurement result at the candidate position.
  • the best quality candidate position
  • the terminal device does not detect SSB#2 in the candidate positions corresponding to SSB 2, 6, 10, 14, 18 in the first DRS transmission window, and the terminal device has SSB 2, 6, 10, 14 in the first DRS transmission window , Perform measurement at the candidate position of 18, and determine that the first RLM-RS resource includes the candidate position with the best channel quality (or the worst channel quality) among the measurement results at the candidate position;
  • the terminal device does not detect SSB#2 in the candidate positions corresponding to SSB 2, 6, 10, 14, 18 in the first DRS transmission window, but the terminal device can determine according to auxiliary information such as COT indication information or other SSB detection information
  • auxiliary information such as COT indication information or other SSB detection information
  • the indication information determines that the network device sent SSB#2 on SSB14 in the first DRS transmission window, and the terminal device determines that the first RLM-RS resource includes SSB14;
  • the terminal device determines that the first RLM-RS resource includes SSB11;
  • the terminal device performs measurement at the candidate positions of SSB 3, 7, 11, 15, 19 in the first DRS transmission window, and determines that the first RLM-RS resource corresponding to SSB#3 includes the channel in the measurement result at the candidate position.
  • the best quality candidate position
  • the terminal device did not detect SSB#3 in the candidate positions corresponding to SSB 3, 7, 11, 15, 19 in the first DRS transmission window, and the terminal device did not detect SSB #3, 7, 11, 15 in the first DRS transmission window. , Perform measurement at the candidate location of 19, and determine that the first RLM-RS resource includes the candidate location with the best channel quality (or the worst channel quality) among the measurement results at the candidate location;
  • the terminal device does not detect SSB#3 in the candidate positions corresponding to SSB 3, 7, 11, 15, 19 in the first DRS transmission window, but the terminal device can determine according to auxiliary information such as COT indication information or other SSB detection information
  • auxiliary information such as COT indication information or other SSB detection information
  • the indication information determines that the network device sends SSB#3 on SSB 11 in the first DRS transmission window, and the terminal device determines that the first RLM-RS resource includes SSB1.
  • FIG. 4 is a schematic structural diagram of an electronic device provided by an embodiment of the application.
  • the electronic device includes a processor, a memory, a communication interface, and one or more A program, wherein the above-mentioned one or more programs are stored in the above-mentioned memory and are configured to be executed by the above-mentioned processor, and the above-mentioned program includes instructions for executing the following steps;
  • the first RLM-RS resource is the resource among the M first RLM-RS candidate resources, and the K first RLM among the M first RLM-RS candidate resources -RS candidate resources are used to transmit the first RLM-RS, and M and K are positive integers;
  • FIG. 5 is a schematic structural diagram of a link quality monitoring device provided in an embodiment of the application. As shown in Figure 5, applied to terminal equipment, the device includes:
  • the acquiring unit 501 is configured to acquire a first radio link monitoring reference signal RLM-RS resource, where the first RLM-RS resource is a resource among the M first RLM-RS candidate resources, and among the M first RLM-RS candidate resources K first RLM-RS candidate resources of are used to transmit the first RLM-RS, and M and K are positive integers;
  • the monitoring unit 502 is configured to perform radio link quality monitoring according to the first RLM-RS resource.
  • the K first RLM-RS candidate resources among the M first RLM-RS candidate resources are used to transmit the first RLM-RS, including:
  • the number of first RLM-RS candidate resources that obtain channel usage rights among the M first RLM-RS candidate resources is greater than or equal to K, then K of the M first RLM-RS candidate resources obtain the first channel usage rights
  • the RLM-RS candidate resource is used to transmit the first RLM-RS; or,
  • the number of first RLM-RS candidate resources that have obtained channel use rights is less than K, and among the M first RLM-RS candidate resources, the first RLM-RS candidate resources that have obtained channel use rights are used To transmit the first RLM-RS.
  • the first RLM-RS resource includes K first RLM-RS candidate resources with the best channel quality among the M first RLM-RS candidate resources.
  • the first RLM-RS resource includes the first RLM-RS candidate resource that the terminal device determines to transmit the first RLM-RS among the M first RLM-RS candidate resources.
  • the terminal device determining the first RLM-RS candidate resource for transmitting the first RLM-RS includes:
  • the terminal device determines the first RLM-RS candidate resource for transmitting the first RLM-RS according to the detection result of the first RLM-RS on the M first RLM-RS candidate resources; and/or,
  • the terminal device determines the first RLM-RS candidate resource for transmitting the first RLM-RS according to the first information.
  • the first information includes at least one of the following: channel occupation time COT indication information and detection information of the second RLM-RS.
  • the first RLM-RS resource includes K first RLM-RS candidate resources with the worst channel quality among the M first RLM-RS candidate resources.
  • the device is also used to:
  • the terminal device determines that none of the M first RLM-RS candidate resources transmits the first RLM-RS.
  • the monitoring unit 502 is specifically configured to:
  • the synchronization evaluation period it is evaluated whether the downlink radio link quality estimated on the first RLM-RS resource is higher than the synchronization threshold.
  • the M RLM-RS candidate resources are included in the first discovery reference signal DRS transmission window.
  • the synchronization evaluation period is an integer multiple of the period of the first DRS transmission window.
  • the monitoring unit 502 is specifically configured to:
  • the out-of-synchronization evaluation period it is determined whether the estimated downlink radio link quality on the first RLM-RS resource is lower than the out-of-synchronization threshold.
  • the M target RLM-RS candidate resources are included in the second DRS transmission window.
  • the out-of-synchronization evaluation period is an integer multiple of the period of the second DRS transmission window.
  • the first RLM-RS resource includes a synchronization signal block SSB resource and/or a channel state information reference signal CSI-RS resource.
  • An embodiment of the present application also provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute any link quality monitoring method as described in the above method embodiment Some or all of the steps.
  • the embodiments of the present application also provide a computer program product.
  • the computer program product includes a non-transitory computer-readable storage medium storing a computer program.
  • the computer program enables the computer to execute any link quality as recorded in the above method embodiments. Part or all of the steps of the monitoring method.
  • the disclosed device may be implemented in other ways.
  • the device embodiments described above are only illustrative, for example, the division of the above-mentioned units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or integrated. To another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical or other forms.
  • the units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
  • the above integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable memory.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a memory.
  • a number of instructions are included to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the foregoing methods of the various embodiments of the present application.
  • the aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.
  • the program can be stored in a computer-readable memory, and the memory can include: a flash disk , Read-only memory (English: Read-Only Memory, abbreviation: ROM), random access device (English: Random Access Memory, abbreviation: RAM), magnetic disk or optical disk, etc.

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Abstract

本申请实施例提供了一种链路质量监测方法及相关产品，其中，该方法包括：获取第一无线链路监测参考信号RLM-RS资源，所述第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数，K小于或等于M；根据所述第一RLM-RS资源进行无线链路质量监测，因此，能够有效的评估下行无线链路质量。

Description

链路质量监测方法及相关产品 技术领域
本申请涉及通信技术领域，具体涉及一种链路质量监测方法及相关产品。
背景技术
非授权频谱是国家和地区划分的可用于无线电设备通信的频谱，该频谱通常被认为是共享频谱，即不同通信***中的通信设备只要满足国家或地区在该频谱上设置的法规要求，就可以使用该频谱，不需要向政府申请专有的频谱授权。
在非授权频谱上，由于网络设备在进行信号发送前需要先进行先听后说(Listen Before Talk，LBT)LBT，因此有可能出现网络设备不能在配置的无线链路监测参考信号(Radio link monitoring Reference Signal，RLM-RS)资源上发送RLM-RS的情况。在这种情况下，用户设备(UE)在进行RLM监测时，不能判断该RLM-RS资源上的下行无线链路质量较差，是因为网络设备没有进行RLM-RS发送还是真正的下行无线链路质量差，从而不能有效地评估下行无线链路质量。
发明内容
本申请实施例提供了一种链路质量监测方法及其相关产品，能够有效的评估下行无线链路质量。
本申请实施例的第一方面提供了一种链路质量监测方法，应用于终端设备，该方法包括：
获取第一无线链路监测参考信号RLM-RS资源，所述第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数，K小于或等于M；
根据所述第一RLM-RS资源进行无线链路质量监测。
本申请实施例的第二方面提供了一种链路质量监测装置，应用于终端设备，所述装置包括：
获取单元，用于获取第一无线链路监测参考信号RLM-RS资源，所述第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数，K小于或等于M；
监测单元，用于根据所述第一RLM-RS资源进行无线链路质量监测。
本申请实施例的第三方面提供一种电子装置，包括存储器、通信接口，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述处理器执行，所述程序包括用于执行如上述第一方面所述的方法中的步骤的指令。
本申请实施例的第四方面提供了一种计算机可读存储介质，存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如上述第一方面所述的方法。
本申请实施例的第五方面提供了一种计算机程序产品，其中，上述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，上述计算机程序可操作来使计算机执行如本申请实施例第一方面中所描述的部分或全部步骤。该计算机程序产品可以为一个软件安装包。
实施本申请实施例，具有如下有益效果：
通过获取第一无线链路监测参考信号RLM-RS资源，所述第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数，根据所述第一RLM-RS资源进行无线 链路质量监测，相对于现有方案中，不能准确的判别出无线链路质量较差的情况是否是真实的无线链路质量差，能够在确定出确切的RLM-RS资源后，根据RLM-RS资源进行链路质量监测，能够更准确的进行无线链路质量监测。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供了一种通信***构架示意图；
图2为本申请实施例提供了一种链路质量监测方法的流程示意图；
图3为本申请实施例提供了一种DRS传输窗口的示意图；
图4为本申请实施例提供的一种电子装置的结构示意图；
图5为本申请实施例提供了一种链路质量监测装置的结构示意图。
具体实施方式
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释，而非旨在限定本申请。本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。
申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释，而非旨在限定本申请。本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。
本申请实施例可以应用于各种通信***，例如：全球移动通讯(Global System of Mobile communication，GSM)***、码分多址(Code Division Multiple Access，CDMA)***、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)***、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)***、先进的长期演进(Advanced long term evolution，LTE-A)***、新无线(New Radio，NR)***、NR***的演进***、免授权频谱上的LTE(LTE-based access to unlicensed spectrum，LTE-U)***、免授权频谱上的NR(NR-based access to unlicensed spectrum，NR-U)***、通用移动通信***(Universal Mobile Telecommunication System，UMTS)、无线局域网(Wireless Local Area Networks，WLAN)、无线保真(Wireless Fidelity，WiFi)、下一代通信***或其他通信***等。
通常来说，传统的通信***支持的连接数有限，也易于实现，然而，随着通信技术的发展，移动通信***将不仅支持传统的通信，还将支持例如，设备到设备(Device to Device，D2D)通信，机器到机器(Machine to Machine，M2M)通信，机器类型通信(Machine Type Communication，MTC)，以及车辆间(Vehicle to Vehicle，V2V)通信等，本申请实施例也可以应用于这些通信***。
可选地，本申请实施例中的通信***可以应用于载波聚合(Carrier Aggregation，CA)场景，也可以应用于双连接(Dual Connectivity，DC)场景，还可以应用于独立(Standalone，SA)布网场景。
本申请实施例对应用的频谱并不限定。例如，本申请实施例可以应用于授权频谱，也可以应用于免授权频谱。
图1为本申请实施例提供了一种通信***构架示意图，所述通信***包括网络设备和终端设备。如图1所示，网络设备可以与终端设备进行通信。该通信***可以是5G通信***(例如新空口(new radio，NR))、多种通信技术融合的通信***(例如LTE技术和NR技术融合的通信***)、或者后续演进通信***。图1中所示的网络设备和终端设备的形态和数量仅用于举例，并不构成对本申请实施例的限定。
本申请中的终端设备是一种具有无线通信功能的设备，可以部署在陆地上，包括室内或室外、手持、可穿戴或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球、卫星上等)。该终端设备可以是手机(mobile phone)、平板电脑(pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、智能家庭(smart home)中的无线终端等。终端设备也可以是具有无线通信功能的手持设备、车载设备、可穿戴设备、计算机设备或连接到无线调制解调器的其他处理设备等。在不同的网络中终端设备可以叫做不同的名称，例如：终端设备、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置、蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)、5G网络或未来演进网络中的终端设备等。
本申请中的网络设备是一种部署在无线接入网用以提供无线通信功能的设备。例如，网络设备可以是蜂窝网络中接入网侧的无线接入网(Radio Access Network，RAN)设备，所谓RAN设备即是一种将终端设备接入到无线网络的设备，包括但不限于：演进型节点B(evolved Node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(Base Station Controller，BSC)、基站收发台(Base Transceiver Station,BTS)、家庭基站(例如，Home evolved Node B，或Home Node B，HNB)、基带单元(Base Band Unit，BBU)、管理实体(Mobility Management Entity，MME)；再例如，网络设备也可以是无线局域网(Wireless Local Area Network，WLAN)中的节点设备，例如接入控制器(access controller，AC)，网关，或WIFI接入点(Access Point，AP)；再例如，网络设备也可以是NR***中的传输节点或收发点(transmission reception point，TRP或TP)等。
非授权频谱是国家和地区划分的可用于无线电设备通信的频谱，该频谱通常被认为是共享频谱，即不同通信***中的通信设备只要满足国家或地区在该频谱上设置的法规要求，就可以使用该频谱，不需要向政府申请专有的频谱授权。
为了让使用非授权频谱进行无线通信的各个通信***在该频谱上能够友好共存，一些国家或地区规定了使用非授权频谱必须满足的法规要求。例如，通信设备遵循“先听后说(LBT)”原则，即通信设备在非授权频谱的信道上进行信号发送前，需要先进行信道侦听，只有当信道侦听结果为信道空闲时，该通信设备才能进行信号发送；如果通信设备在非授权频谱的信道上的信道侦听结果为信道忙，该通信设备不能进行信号发送。为了保证公平性，在一次传输中，通信设备使用非授权频谱的信道进行信号传输的时长不能超过最大信道占用时间(Maximum Channel Occupancy Time，MCOT)。
请参阅图2，图2为本申请实施例提供了一种链路质量监测方法的流程示意图。如图2所示，链路质量监测方法应用于终端设备，该方法包括步骤S201-S202，具体如下：
S201、获取第一无线链路监测参考信号RLM-RS资源，第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数。
其中，K小于或等于M。
第一RLM-RS资源包括同步信号块(Synchronization Signal/PBCH Block，SSB)资源和/或信道状态信息参考信号(Channel State Information Reference Signal，CSI-RS)资源。
第一RLM-RS候选资源可以理解为可以用于对RLM-RS进行传输的资源，其可以传输RLM-RS，也可以处于空闲态，不传输RLM-RS。
S202、根据第一RLM-RS资源进行无线链路质量监测。
根据第一RLM-RS资源进行无线链路质量监测时，可以进行同步评估或失步评估。
终端设备进行无线链路质量检测时，终端设备用于进行主小区(Primary Cell，PCell)或双连接(Dual Connectivity，DC)情况下的辅主小区(Primary SCG Cell，PSCell)上的下行无线链路监测，其目的可以是为了向高层上报失步(out-of-sync，OOS)/同步(in-sync，IS)状态指示。
本示例中，通过获取第一无线链路监测参考信号RLM-RS资源，第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数，根据第一RLM-RS资源进行无线链路质量监测，相对于现有方案中，不能准确的判别出无线链路质量较差的情况是否是真实的无线链路质量差，能够在确定出确切的RLM-RS资源后，根据RLM-RS资源进行链路质量监测，能够更准确的进行无线链路质量监测。
在一个可能的实施例中，M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，可以包括如下方法：
M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数大于或等于K，则M个第一RLM-RS候选资源中的K个获得信道使用权的第一RLM-RS候选资源用于传输第一RLM-RS；或者，
M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数小于K，M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源用于传输第一RLM-RS。
终端设备可以对M个第一RLM-RS候选资源进行检测，确定出M个第一RLM-RS候选资源中传输了第一RLM-RS的第一RLM-RS候选资源。其具体检测方法可以参照现有技术中的检测方法，此处不再赘述。
可选地，获得信道使用权的第一RLM-RS候选资源大于或等于K时，可以从上述获得信道使用权的第一RLM-RS候选资源中选取K个，用于传输RLM-RS。或者，获得信道使用权的第一RLM-RS候选资源小于K时，则使用全部的获得第一RLM-RS候选资传输RLM-RS。
在一个可能的实施例中，终端设备确定M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于无线链路监测，包括如下方法：
终端设备对M个第一RLM-RS候选资源进行检测，确定出M个第一RLM-RS候选资源中传输了第一RLM-RS的第一RLM-RS候选资源，若所述M个第一RLM-RS候选资源中确定传输了第一RLM-RS的第一RLM-RS候选资源个数大于K，则所述M个第一RLM-RS候选资源中的K个确定传输了第一RLM-RS的第一RLM-RS候选资源用于无线链路监测；或者，
所述M个第一RLM-RS候选资源中确定传输了第一RLM-RS的第一RLM-RS候选资源个数小于或等于K，所述M个第一RLM-RS候选资源中确定传输了第一RLM-RS的第一RLM-RS候选资源用于无线链路监测。
可选地，终端设备确定传输了第一RLM-RS的第一RLM-RS候选资源的个数大于K时，可以从上述确定传输了第一RLM-RS的第一RLM-RS候选资源中选取K个，用于无线链路 监测。终端设备确定传输了第一RLM-RS的第一RLM-RS候选资源个数小于或等于K时，则使用全部的确定传输了第一RLM-RS的第一RLM-RS候选资源用于无线链路监测。
本实施例中的具体实施方式可以参照前述实施例中的具体实施方式，此处不再赘述。
在一个可能的实施例中，第一RLM-RS资源包括M个第一RLM-RS候选资源中信道质量最好的K个第一RLM-RS候选资源。
信道质量最好的K个第一RLM-RS候选资源可以理解为：信道质量评价参数最高的K个第一RLM-RS的候选资源。举例来说，K可以为正整数等。
第一RLM-RS资源包括所述M个第一RLM-RS候选资源中信道质量最好的K个第一RLM-RS候选资源可以理解为：假设终端设备已知M个第一候选资源的位置，然后可以直接对M个第一候选资源位置的信道质量进行检测，将信道质量最好的K个第一RLM-RS候选资源，确定为第一RLM-RS资源。
举例说明，假设包括有5个第一RLM-RS候选资源，例如，RLM-RS候选资源0，RLM-RS候选资源1，RLM-RS候选资源2，RLM-RS候选资源3，RLM-RS候选资源4。其中，RLM-RS候选资源0的信道的信噪比为10dB，RLM-RS候选资源1的信道的信噪比为8dB，RLM-RS候选资源2的信道的信噪比为15dB，RLM-RS候选资源3的信道的信噪比为5dB，RLM-RS候选资源4的信道的信噪比为20dB，那么，5个第一RLM-RS候选资源中信道质量最好的3个第一RLM-RS候选资源可以理解为(以信道的信噪比由高到低说明)：RLM-RS候选资源4，RLM-RS候选资源2，RLM-RS候选资源0。需要说明的是，上述举例只是列举，任何基于上述举例的M个第一RLM-RS候选资源中信道质量最好的K个第一RLM-RS候选资源的确定方式均在本申请的保护范围之内。在此不做过多赘述。
本示例中，由于有多个第一RLM-RS候选资源位置，终端设备可以假设网络设备总是可以通过该多个第一RLM-RS候选资源位置中的至少部分RLM-RS候选资源发送第一RLM-RS，因此终端设备可以不对第一RLM-RS的存在性做检测，而是直接根据候选资源位置上的信道质量状况选择信道质量最好的RLM-RS候选资源作为第一RLM-RS资源，可以提升确定第一RLM-RS资源时的效率。
在一个可能的实施例中，第一RLM-RS资源包括M个第一RLM-RS候选资源中终端设备确定传输第一RLM-RS的第一RLM-RS候选资源。
终端设备确定传输第一RLM-RS的第一RLM-RS候选资源的方法可以为：可以根据对第一RLM-RS的检测结果，或其它指示信息确定传输第一RLM-RS的第一RLM-RS候选资源。
本示例中，在对信号质量要求较高时，可以在检测到第一RLM-RS候选资源是否存在第一RLM-RS的方式来确定传输第一RLM-RS的第一RLM-RS候选资源，能够直接对第一RLM-RS进行检测，提升了第一RLM-RS候选资源确定时的准确性。
在一个可能的实施例中，终端设备确定传输第一RLM-RS的第一RLM-RS候选资源，包括：
终端设备根据M个第一RLM-RS候选资源上的第一RLM-RS的检测结果，确定传输第一RLM-RS的第一RLM-RS候选资源；和/或，
终端设备根据第一信息确定传输第一RLM-RS的第一RLM-RS候选资源。
检测结果可以包括存在性检测结果，即是否存在第一RLM-RS，若存在第一RLM-RS，则其对应的第一RLM-RS候选资源则确定为传输第一RLM-RS的第一RLM-RS候选资源。
第一信息至少包括以下中的一种：信道占用时间(Channel Occupancy Time，COT)指示信息和第二RLM-RS的检测信息。
在一个可能的实施例中，第一RLM-RS资源包括M个第一RLM-RS候选资源中信道质量最差的K个第一RLM-RS候选资源。
信道质量最差的K个第一RLM-RS候选资源可以理解为：信道质量评价参数最低的K个第一RLM-RS的候选资源。
在一个可能的实施例中，一种根据第一RLM-RS资源进行无线链路质量监测的方法包括：
在同步评估周期内，评估第一RLM-RS资源上估计的下行无线链路质量是否高于同步门限。
同步门限Q in对应块误码率(BLER)值，同步门限Q in对应块误码率(BLER)值可以通过网络配置的高层参数获得，例如，rlmInSyncOutOfSyncThreshold。如果终端设备没有被网络设备配置同步门限Q in对应块误码率(BLER)值，则可以通过预配置的参数获得，例如，同步门限Q in对应块误码率(BLER)值可以是2％等。
当至少一个第一RLM-RS资源上的下行无线链路质量好于Q in时，终端设备上报一个同步IS指示给高层，其中，上报的IS指示需要进行层3滤波。
可选的，同步评估周期是第一发现参考信号(Discovery Reference Signal，DRS)传输窗口的周期的整数倍。
在进行同步评估时，M个RLM-RS候选资源包括于第一DRS传输窗口。
在一个可能的实施例中，另一种根据第一RLM-RS资源进行无线链路质量监测，包括：
在失步评估周期内，判断第一RLM-RS资源上估计的下行无线链路质量是否低于失步门限。
同步门限Q out对应块误码率(Block Error Rate，BLER)值，同步门限Q out对应块误码率(BLER)值可以通过网络配置的高层参数获得，例如，rlmInSyncOutOfSyncThreshold。如果终端设备没有被网络设备配置同步门限Q out对应块误码率(BLER)值，则可以通过预配置的参数获得，例如，同步门限Q out对应块误码率(BLER)值可以是10％等。
当第一RLM-RS资源上的下行无线链路质量均差于Q out门限时，终端设备上报一个失步(OOS)指示给高层，其中，上报的OOS指示需要进行层3滤波。
可选的，失步评估周期是第二DRS传输窗口的周期的整数倍。
在进行失步评估时，M个RLM-RS候选资源包括于第二DRS传输窗口。
在一个可能的实施例中，DRS传输窗口可以包括第一DRS传输窗口和第二DRS传输窗口。
在DRS传输窗口内的SSB可以有多个候选位置，每个候选位置可以认为是一个SSB候选资源。终端设备可以根据Q值确定该多个SSB候选位置中至少两个SSB候选位置的QCL(天线准共址，Quasi-co-located，QCL)关系，并根据该QCL关系确定SSB的接收。网络设备在DRS传输窗口内发送SSB时，可以进行多次LBT(先听后发)尝试，并且在LBT成功后可以通过该多个候选位置中根据该QCL关系确定获得信道使用权的至少一个候选位置进行SSB传输。其中，Q的取值范围为{1,2,4,8}，当然还可以是其它的值。
具体地，终端设备可以假设具有相同QCL关系的SSB候选位置上发送的SSB具有相同的QCL关系，或者说，如果网络设备在具有相同QCL关系的SSB候选位置上发送SSB，那么网络设备应该使用相同的波束(beam)。
可选地，mod(A，Q)相同的SSB候选位置具有相同的QCL关系，其中，A为SSB候选位置的索引或A为SSB的索引，mod为取模运算。可选地，Q值为网络设备指示给终端设备的或Q值为预设的。
请参阅图3，图3为本申请实施例提供了一种DRS传输窗口的示意图。如图3所示，以RLM-RS为SSB、为例进行说明，n为大于或等于0的整数。M与Q为相同的值。如图3所示，DRS传输窗口中的SSB候选位置集合包括20个SSB候选位置，A的取值范围为0到19，Q取值为4。同步评估周期是第一DRS传输窗口的周期的整数倍，失步评估周期 是第二DRS传输窗口的周期的整数倍。图中的评估周期可以是同步评估周期也是可以失步评估周期。
终端设备可以根据Q值确定该20个SSB候选位置的QCL关系为：
SSB 0、4、8、12、16具有相同的QCL关系；
SSB 1、5、9、13、17具有相同的QCL关系；
SSB 2、6、10、14、18具有相同的QCL关系；
SSB 3、7、11、15、19具有相同的QCL关系。
为描述方便，QCL关系相同的SSB候选位置用相同的数字表示。或者说，一个SSB可以通过QCL关系相同的SSB候选位置中的至少一个进行传输。网络设备在不同的DRS传输窗口内可以根据LBT结果从该DRS传输窗口内的SSB候选位置中选择获得信道使用权的候选位置进行SSB传输。例如，SSB#0可以通过图3中标号为0的候选位置中的至少一个传输，SSB#1可以通过图3中标号为1的候选位置中的至少一个传输，SSB#2可以通过图3中标号为2的候选位置中的至少一个传输，SSB#3可以通过图3中标号为3的候选位置中的至少一个传输。图示中，网络设备实际发送的SSB为SSB#0、SSB#2和SSB#3。
假设终端设备被配置用于进行RLM的RLM-RS为SSB#2和SSB#3。IS评估周期和OOS评估周期都包括第一DRS传输窗口和第二DRS传输窗口。
当终端设备进行IS评估时，终端设备根据以下情况中的至少一种确定DRS传输窗口中的第一RLM-RS资源(此处以第一DRS传输窗口为例，第二DRS传输窗口同样适用该方式)：
终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18对应的候选位置中的SSB 14上检测到SSB#2，那么终端设备确定第一RLM-RS资源包括SSB14；
终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18对应的候选位置中没有检测到SSB#2，那么终端设备确定第一RLM-RS资源不包括第一DRS传输窗口中的SSB 2、6、10、14、18；
终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18的候选位置上进行测量，并确定SSB#2对应的第一RLM-RS资源包括上述候选位置上的测量结果中信道质量最好的候选位置；
终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19的候选位置中的SSB 11上检测到SSB#3，那么终端设备确定第一RLM-RS资源包括SSB11；
终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19对应的候选位置中没有检测到SSB#3，那么终端设备确定第一RLM-RS资源不包括第一DRS传输窗口中的SSB 3、7、11、15、19；
终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19的候选位置上进行测量，并确定SSB#3对应的第一RLM-RS资源包括上述候选位置上的测量结果中信道质量最好的候选位置。
进一步的，终端设备在上述第一RLM-RS资源上估计下行无线链路质量并将其与门限值Qin进行比较，从而进行RLM。
当终端设备进行OOS评估时，终端设备根据以下情况中的至少一种确定DRS传输窗口中的第一RLM-RS资源(此处以第一DRS传输窗口为例，第二DRS传输窗口同样适用该方式)：
终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18对应的候选位置中的SSB 14上检测到SSB#2，那么终端设备确定第一RLM-RS资源包括SSB14；
终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18的候选位置上进行测量，并确定SSB#2对应的第一RLM-RS资源包括上述候选位置上的测量结果中信道质量最好的 候选位置；
终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18对应的候选位置中没有检测到SSB#2，终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18的候选位置上进行测量，并确定第一RLM-RS资源包括上述候选位置上的测量结果中信道质量最好(或信道质量最差)的候选位置；
终端设备在第一DRS传输窗口中的SSB 2、6、10、14、18对应的候选位置中没有检测到SSB#2，但终端设备可以根据辅助信息例如COT指示信息或其他SSB的检测信息确定指示信息确定网络设备在第一DRS传输窗口中的SSB 14上发送了SSB#2，那么终端设备确定第一RLM-RS资源包括SSB14；
终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19的候选位置中的SSB 11上检测到SSB#3，那么终端设备确定第一RLM-RS资源包括SSB11；
终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19的候选位置上进行测量，并确定SSB#3对应的第一RLM-RS资源包括上述候选位置上的测量结果中信道质量最好的候选位置；
终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19对应的候选位置中没有检测到SSB#3，终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19的候选位置上进行测量，并确定第一RLM-RS资源包括上述候选位置上的测量结果中信道质量最好(或信道质量最差)的候选位置；
终端设备在第一DRS传输窗口中的SSB 3、7、11、15、19对应的候选位置中没有检测到SSB#3，但终端设备可以根据辅助信息例如COT指示信息或其他SSB的检测信息确定指示信息确定网络设备在第一DRS传输窗口中的SSB 11上发送了SSB#3，那么终端设备确定第一RLM-RS资源包括SSB1。
与上述实施例一致的，请参阅图4，图4为本申请实施例提供的一种电子装置的结构示意图，如图所示，该电子装置包括处理器、存储器、通信接口以及一个或多个程序，其中，上述一个或多个程序被存储在上述存储器中，并且被配置由上述处理器执行，上述程序包括用于执行以下步骤的指令；
获取第一无线链路监测参考信号RLM-RS资源，第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数；
根据第一RLM-RS资源进行无线链路质量监测。
与上述一致的，请参阅图5，图5为本申请实施例提供了一种链路质量监测装置的结构示意图。如图5所示，应用于终端设备，装置包括：
获取单元501，用于获取第一无线链路监测参考信号RLM-RS资源，第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数；
监测单元502，用于根据第一RLM-RS资源进行无线链路质量监测。
在一个可能的实施方式中，M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，包括：
M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数大于或等于K，则M个第一RLM-RS候选资源中的K个获得信道使用权的第一RLM-RS候选资源用于传输第一RLM-RS；或者，
M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数小于K，M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源用于传输第一RLM-RS。
在一个可能的实施方式中，第一RLM-RS资源包括M个第一RLM-RS候选资源中信道质量最好的K个第一RLM-RS候选资源。
在一个可能的实施方式中，第一RLM-RS资源包括M个第一RLM-RS候选资源中终端设备确定传输第一RLM-RS的第一RLM-RS候选资源。
在一个可能的实施方式中，终端设备确定传输第一RLM-RS的第一RLM-RS候选资源，包括：
终端设备根据M个第一RLM-RS候选资源上的第一RLM-RS的检测结果，确定传输第一RLM-RS的第一RLM-RS候选资源；和/或，
终端设备根据第一信息确定传输第一RLM-RS的第一RLM-RS候选资源。
在一个可能的实施方式中，第一信息至少包括以下中的一种：信道占用时间COT指示信息和第二RLM-RS的检测信息。
在一个可能的实施方式中，第一RLM-RS资源包括M个第一RLM-RS候选资源中信道质量最差的K个第一RLM-RS候选资源。
在一个可能的实施方式中，装置还用于：
终端设备根据M个第一RLM-RS候选资源上的第一RLM-RS的检测结果，确定M个第一RLM-RS候选资源均不传输第一RLM-RS。
在一个可能的实施方式中，监测单元502具体用于：
在同步评估周期内，评估第一RLM-RS资源上估计的下行无线链路质量是否高于同步门限。
在一个可能的实施方式中，M个RLM-RS候选资源包括于第一发现参考信号DRS传输窗口。
在一个可能的实施方式中，同步评估周期是第一DRS传输窗口的周期的整数倍。
在一个可能的实施方式中，监测单元502具体用于：
在失步评估周期内，判断第一RLM-RS资源上估计的下行无线链路质量是否低于失步门限。
在一个可能的实施方式中，M个目标RLM-RS候选资源包括于第二DRS传输窗口。
在一个可能的实施方式中，失步评估周期是第二DRS传输窗口的周期的整数倍。
在一个可能的实施方式中，第一RLM-RS资源包括同步信号块SSB资源和/或信道状态信息参考信号CSI-RS资源。
本申请实施例还提供一种计算机存储介质，其中，该计算机存储介质存储用于电子数据交换的计算机程序，该计算机程序使得计算机执行如上述方法实施例中记载的任何一种链路质量监测方法的部分或全部步骤。
本申请实施例还提供一种计算机程序产品，计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，该计算机程序使得计算机执行如上述方法实施例中记载的任何一种链路质量监测方法的部分或全部步骤。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本申请并不受所描述的动作顺序的限制，因为依据本申请，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本申请所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置，可通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如上述单元的划分，仅仅为一种 逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性或其它的形式。
上述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
上述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储器中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储器中，包括若干指令用以使得一台计算机设备(可为个人计算机、服务器或者网络设备等)执行本申请各个实施例上述方法的全部或部分步骤。而前述的存储器包括：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储器中，存储器可以包括：闪存盘、只读存储器(英文：Read-Only Memory，简称：ROM)、随机存取器(英文：Random Access Memory，简称：RAM)、磁盘或光盘等。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种链路质量监测方法，其特征在于，应用于终端设备，所述方法包括：
    获取第一无线链路监测参考信号RLM-RS资源，所述第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数，K小于或等于M；
    根据所述第一RLM-RS资源进行无线链路质量监测。
  2. 根据权利要求1所述的方法，其特征在于，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，包括：
    所述M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数大于或等于K，则所述M个第一RLM-RS候选资源中的K个获得信道使用权的第一RLM-RS候选资源用于传输所述第一RLM-RS；或者，
    所述M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数小于K，所述M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源用于传输所述第一RLM-RS。
  3. 根据权利要求1或2所述的方法，其特征在于，所述第一RLM-RS资源包括所述M个第一RLM-RS候选资源中信道质量最好的K个第一RLM-RS候选资源。
  4. 根据权利要求1或2所述的方法，其特征在于，所述第一RLM-RS资源包括所述M个第一RLM-RS候选资源中所述终端设备确定传输所述第一RLM-RS的第一RLM-RS候选资源。
  5. 根据权利要求4所述的方法，其特征在于，所述终端设备确定传输所述第一RLM-RS的第一RLM-RS候选资源，包括：
    所述终端设备根据所述M个第一RLM-RS候选资源上的所述第一RLM-RS的检测结果，确定传输所述第一RLM-RS的所述第一RLM-RS候选资源；和/或，
    所述终端设备根据第一信息确定传输所述第一RLM-RS的所述第一RLM-RS候选资源。
  6. 根据权利要求5所述的方法，其特征在于，所述第一信息至少包括以下中的一种：信道占用时间COT指示信息和第二RLM-RS的检测信息。
  7. 根据权利要求1或2所述的方法，其特征在于，所述第一RLM-RS资源包括所述M个第一RLM-RS候选资源中信道质量最差的K个第一RLM-RS候选资源。
  8. 根据权利要求7所述的方法，其特征在于，所述方法还包括：
    所述终端设备根据所述M个第一RLM-RS候选资源上的所述第一RLM-RS的检测结果，确定所述M个第一RLM-RS候选资源均不传输所述第一RLM-RS。
  9. 根据权利要求1至6任一项所述的方法，其特征在于，所述根据所述第一RLM-RS资源进行无线链路质量监测，包括：
    在同步评估周期内，评估所述第一RLM-RS资源上估计的下行无线链路质量是否高于同步门限。
  10. 根据权利要求9所述的方法，其特征在于，所述M个RLM-RS候选资源包括于第一发现参考信号DRS传输窗口。
  11. 根据权利要求10所述的方法，其特征在于，所述同步评估周期是所述第一DRS传输窗口的周期的整数倍。
  12. 根据权利要求1至8任一项所述的方法，其特征在于，所述根据所述第一RLM-RS资源进行无线链路质量监测，包括：
    在失步评估周期内，判断所述第一RLM-RS资源上估计的下行无线链路质量是否低于失步门限。
  13. 根据权利要求12所述的方法，其特征在于，所述M个目标RLM-RS候选资源包括于第二DRS传输窗口。
  14. 根据权利要求13所述的方法，其特征在于，所述失步评估周期是所述第二DRS传输窗口的周期的整数倍。
  15. 根据权利要求1至14任一项所述的方法，其特征在于，所述第一RLM-RS资源包括同步信号块SSB资源和/或信道状态信息参考信号CSI-RS资源。
  16. 一种链路质量监测装置，其特征在于，应用于终端设备，所述装置包括：
    获取单元，用于获取第一无线链路监测参考信号RLM-RS资源，所述第一RLM-RS资源为M个第一RLM-RS候选资源中的资源，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，M、K为正整数，K小于或等于M；
    监测单元，用于根据所述第一RLM-RS资源进行无线链路质量监测。
  17. 根据权利要求16所述的装置，其特征在于，所述M个第一RLM-RS候选资源中的K个第一RLM-RS候选资源用于传输第一RLM-RS，包括：
    所述M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数大于或等于K，则所述M个第一RLM-RS候选资源中的K个获得信道使用权的第一RLM-RS候选资源用于传输所述第一RLM-RS；或者，
    所述M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源个数小于K，所述M个第一RLM-RS候选资源中获得信道使用权的第一RLM-RS候选资源用于传输所述第一RLM-RS。
  18. 根据权利要求16或17所述的装置，其特征在于，所述第一RLM-RS资源包括所述M个第一RLM-RS候选资源中信道质量最好的K个第一RLM-RS候选资源。
  19. 一种终端设备，其特征在于，包括存储器、通信接口，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述处理器执行，所述程序包括用于执行如权利要求1-15任一项所述的方法中的步骤的指令。
  20. 一种计算机可读存储介质，其特征在于，存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如权利要求1-15任一项所述的方法。
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