WO2021212436A1 - 一种无线链路监测模式转换方法及终端设备 - Google Patents

一种无线链路监测模式转换方法及终端设备 Download PDF

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Publication number
WO2021212436A1
WO2021212436A1 PCT/CN2020/086498 CN2020086498W WO2021212436A1 WO 2021212436 A1 WO2021212436 A1 WO 2021212436A1 CN 2020086498 W CN2020086498 W CN 2020086498W WO 2021212436 A1 WO2021212436 A1 WO 2021212436A1
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Prior art keywords
rlm
terminal device
mode
synchronization
normal
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PCT/CN2020/086498
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English (en)
French (fr)
Inventor
李海涛
胡奕
胡荣贻
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Oppo广东移动通信有限公司
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Priority to PCT/CN2020/086498 priority Critical patent/WO2021212436A1/zh
Priority to CN202080098666.9A priority patent/CN115299090A/zh
Publication of WO2021212436A1 publication Critical patent/WO2021212436A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular to a radio link monitoring (RLM, Radio Link Management) mode conversion method, terminal equipment, chips, computer-readable storage media, computer program products, and computer programs.
  • RLM Radio Link Monitoring
  • RLM is used for terminal equipment to monitor the downlink channel quality of the serving cell, and the terminal equipment compares the monitored or measured downlink channel quality of the serving cell with the corresponding threshold within a specified time to determine The terminal device has resumed downlink synchronization or is in a downlink out-of-synchronization state.
  • the measurement used for RLM will be relaxed, that is, the relaxed RLM mode will be introduced.
  • how to start the measurement of the relaxed RLM mode is a problem that needs to be solved.
  • embodiments of the present invention provide a radio link monitoring (RLM, Radio Link Management) mode conversion method, terminal equipment, chips, computer-readable storage media, computer program products, and computer programs.
  • RLM Radio Link Monitoring
  • a method of RLM mode conversion for radio link monitoring including:
  • the terminal equipment determines the conversion between different RLM modes according to the RLM conversion conditions
  • the RLM conversion condition is at least related to the count value of the synchronization indication or the out-of-synchronization indication continuously received by the terminal device;
  • the RLM modes include: a normal RLM mode and a relaxed RLM mode, and the measurement interval of the normal RLM mode is smaller than the measurement interval of the relaxed RLM mode.
  • a terminal device including:
  • the processing unit determines the conversion between different RLM modes according to the RLM conversion conditions
  • the RLM conversion condition is at least related to the count value of the synchronization indication or the out-of-synchronization indication continuously received by the terminal device;
  • the RLM modes include: a normal RLM mode and a relaxed RLM mode, and the measurement interval of the normal RLM mode is smaller than the measurement interval of the relaxed RLM mode.
  • a terminal device including: a processor and a memory for storing a computer program that can run on the processor,
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the steps of the above method.
  • a chip including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the method described above.
  • a computer-readable storage medium is provided, and the computer-readable storage medium is used to store a computer program that enables a computer to execute the steps of the method described above.
  • a computer program product including computer program instructions, which cause a computer to execute the method described above.
  • a computer program which causes a computer to execute the method described above.
  • the specific RLM conversion condition is related to the count value of the synchronization indication or the out-of-synchronization indication. In this way, just after introducing the relaxed RLM mode, how to enter the relaxed RLM mode is restricted.
  • FIG. 1 is a schematic diagram 1 of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a first schematic diagram of the flow of an RLM mode conversion method provided by an embodiment of the present application
  • FIG. 3 is a second schematic diagram of an RLM mode conversion process provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram 1 of a processing scenario provided by an embodiment of the present application.
  • FIG. 5 is a third schematic diagram of an RLM mode conversion process provided by an embodiment of the present application.
  • FIG. 6 is a second schematic diagram of a processing scenario provided by an embodiment of the present application.
  • FIG. 7 is a fourth schematic diagram of an RLM mode conversion process provided by an embodiment of the present application.
  • FIG. 8 is a third schematic diagram of a processing scenario provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram 1 of the structure of a terminal device provided by an embodiment of the present application.
  • FIG. 10 is a second schematic diagram of the structure of a terminal device provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of the composition structure of a communication device provided by an embodiment of the present invention.
  • FIG. 12 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 13 is a second schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application may be as shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a UE 120 (or referred to as a communication terminal device or a terminal device).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with UEs located in the coverage area.
  • the network equipment 110 may be a network equipment (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a network equipment (NodeB, NB) in a WCDMA system, or an evolution in an LTE system Type network equipment (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment may be a mobile switching center, a relay station, an access point, In-vehicle devices, wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB network equipment
  • Evolutional Node B eNodeB
  • eNodeB LTE system Type network equipment
  • CRAN Cloud Radio Access Network
  • the network equipment may be a mobile switching center, a relay station, an access point, In-
  • the communication system 100 further includes at least one UE 120 located within the coverage area of the network device 110.
  • UE as used herein includes but is not limited to connection via wired lines, such as via public switched telephone networks (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another UE's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a UE set to communicate through a wireless interface may be referred to as a "wireless communication terminal device", a “wireless terminal device” or a "mobile terminal device”.
  • D2D communication may be performed between the UEs 120.
  • 5G enhanced mobile ultra-broadband
  • URLLC low-latency and high-reliability communication
  • mMTC large-scale machine-type communication
  • NR can also be deployed independently.
  • a new RRC state is defined, that is, the RRC_INACTIVE state. This state is different from the RRC_IDLE and RRC_ACTIVE states.
  • RRC_IDLE Mobility is UE-based cell selection and reselection, paging is initiated by CN, and the paging area is configured by CN. There is no UE AS context on the base station side. There is no RRC connection.
  • RRC_CONNECTED There is an RRC connection, and there is a UE AS context between the base station and the UE.
  • the network side knows that the location of the UE is of a specific cell level. Mobility is the mobility controlled by the network side. Unicast data can be transmitted between the UE and the base station.
  • Mobility is UE-based cell selection and reselection, there is a connection between CN-NR, UE AS context is stored on a certain base station, paging is triggered by RAN, and RAN-based paging area is managed by RAN, and the network side knows The location of the UE is based on the paging area level of the RAN.
  • Radio link monitoring monitors the downlink channel quality of the serving cell.
  • the physical layer evaluates the radio link quality within a specified time and compares it with the Qin and Qout threshold (SINR). If it is lower than Qout, The physical layer reports an out-of-sync indication to the upper layer, and if it is higher than Qin, the physical layer reports an in-sync indication to the upper layer.
  • the Qout and Qin thresholds are determined by detecting the BLER of the PDCCH format 1-0 to determine Qin and Qout.
  • the BLER values corresponding to Qin and Qout are configured through RRC signaling per cell. The default default value is Qout, the BLER of PDCCH is 10%, and the BLER corresponding to Qin is 2%.
  • the UE's downlink out-of-synchronization determination on the network side involves the following timers and constants, N310, T310, and N311. These timers and constant parameters can be configured to the UE through dedicated signaling (RLF-TimersAndConstants IE). If not configured, the parameters (ue-TimersAndConstants IE) in the system broadcast (SIB1) are used.
  • RLF-TimersAndConstants IE dedicated signaling
  • SIB1 system broadcast
  • the timer T310 is started. If N311 consecutive "in_Sync" are received before the timer expires, the timer T310 is stopped, indicating that the UE has resumed downlink synchronization. Otherwise, the UE is in a downlink out-of-synchronization state, that is, RLF.
  • the above-mentioned RLM configuration may be configured by a network device for a terminal device through an RRC reconfiguration message, which may include: SSB/CSI-RS reference signal for configuring the terminal device to perform radio link detection (RLM).
  • RLM radio link detection
  • the new arrival quality can be evaluated at every indicated measurement interval.
  • the determination of the measurement interval (which can be called the indication period) is divided into:
  • the physical layer may report the synchronization indication corresponding to Qin to the RRC layer, may report the failure indication corresponding to Qout, or may not report anything.
  • the embodiment of the present invention provides an RLM mode conversion method, as shown in FIG. 2, including:
  • Step 21 The terminal device determines the conversion between different RLM modes according to the RLM conversion conditions
  • the RLM conversion condition is at least related to the count value of the synchronization indication or the out-of-synchronization indication continuously received by the terminal device;
  • the RLM modes include: a normal RLM mode and a relaxed RLM mode, and the measurement interval of the normal RLM mode is smaller than the measurement interval of the relaxed RLM mode.
  • the first RLM conversion condition includes: the count value of the synchronization instructions continuously received by the terminal device exceeds the first number threshold;
  • the second RLM conversion condition includes: the count value of the out-of-synchronization indication continuously received by the terminal device exceeds a second number threshold.
  • the first quantity threshold and the second quantity threshold are preset or configured for network equipment.
  • the preset can be preset by the terminal device according to the protocol;
  • the network device configuration can be understood as the network device pre-configured for the terminal device through the configuration information.
  • the network device can be controlled by the radio resource (RRC, Radio Resource Control). Control)
  • the reconfiguration message is configured for the terminal device.
  • the terminal device receives the synchronization indication or the out-of-synchronization indication, it may specifically be that the RRC layer of the terminal device receives the synchronization indication; or the RRC layer of the terminal device receives the out-of-synchronization indication.
  • the terminal device determines the conversion between different RLM modes according to the RLM conversion conditions, including:
  • the terminal device adopts the normal RLM mode for link detection, if the first RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the terminal device adopts the relaxed RLM mode for link detection, if the second RLM transition condition is met, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • Step 31 The terminal device receives the RRC reconfiguration message of the network device
  • the terminal device may be in a connected state; the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the RRC reconfiguration message may include: radio link monitoring configuration (RadioLinkMonitoringConfig) and radio link failure (RLF)-timer and constant (TimersAndConstants) configuration, etc.
  • RadioLinkMonitoringConfig radio link monitoring configuration
  • RLF radio link failure
  • timersAndConstants timersAndConstants
  • the RRC reconfiguration message may include at least one of the following:
  • FailureDetectionResources failure detection resources
  • SSB/CSI-RS resource configuration for wireless link monitoring
  • RLF Radio Link Failure
  • timer related parameters such as N310, N311, T310 and other parameters
  • the RRC reconfiguration message may further include: a first number threshold value and a second number threshold value.
  • the first number threshold can be expressed as M1, and the second number threshold can be expressed as N1; the M1 and N1 are the number thresholds for the terminal device to perform RLM mode switching.
  • M1 is the maximum number of times that the RRC layer receives consecutive in-sync indications from the physical layer; N1 is the maximum number of times that the RRC layer receives consecutive out-of-sync indications from the physical layer.
  • the counting processing of the count value can be realized by a counter or called a counter. Since this embodiment involves the count value of the synchronization indication and the count value of the out-of-synchronization indication, correspondingly, you can set two counter( Counter), the synchronization indicator counter can be represented as M1-counter, and the out-of-synchronization indicator counter can be represented as N1-counter.
  • the first quantity threshold and the second quantity threshold can be used as parameters in the radio link monitoring configuration (RadioLinkMonitoringConfig), or radio link failure (RLF)-timers and constants (TimersAndConstants).
  • the parameter in the configuration can also be a parameter that is configured separately in addition to the above two configurations, which is not limited in this example.
  • Step 32 Based on the network configuration, the terminal device is in the normal RLM mode by default.
  • Step 33 When the terminal device uses the normal RLM mode to perform link detection, if the first RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode.
  • the first RLM conversion condition includes: the count value of synchronization indications continuously received by the RRC layer of the terminal device exceeds a first number threshold.
  • the terminal device when the terminal device performs link detection in the normal RLM mode, if the RRC layer receives continuous synchronization instructions, it counts the count values of the continuously received synchronization instructions to obtain the corresponding count value. If the count value reaches the first If a threshold is reached, the terminal device determines to enter the relaxed RLM mode; otherwise, it remains in the normal RLM mode.
  • the RRC layer of the terminal device instructs the physical layer to use the measurement requirements corresponding to the normal RLM mode to perform link detection.
  • the measurement requirements corresponding to the normal RLM mode can be preset according to the protocol, or can be pre-configured for the terminal equipment for the network equipment. If it is pre-configured, it can be configured for the terminal equipment through RRC signaling or DCI and other information .
  • This step involves the processing of how to count the synchronization instructions, which may include the initialization or resetting of the count value of the synchronization instructions, and the processing of adding one to the count value of the synchronization instructions.
  • the specific instructions are as follows:
  • the terminal device adds one to the count value of the synchronization indication; the first condition includes: when the terminal device is in the normal RLM mode, the RRC layer of the terminal device receives the synchronization indication from the physical layer.
  • the RRC layer of the terminal device receives an "in-sync" (synchronization) indication from the physical layer, and adds 1 to M1_counter (the count value of the synchronization indication).
  • the terminal device initializes or resets the count value indicated by the synchronization
  • the second condition includes at least one of the following:
  • the terminal device enters the normal RLM mode
  • the terminal device receives an out-of-synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates the RRC connection reconfiguration process.
  • the terminal device There are two possibilities for the terminal device to enter the normal RLM mode. One is that the terminal device enters the normal RLM mode from the relaxed RLM mode, and the other is that the terminal device directly enters the normal RLM mode by default.
  • the receiving of the out-of-sync indication by the terminal device may mean that the RRC layer has received an out-of-sync indication from the physical layer.
  • the terminal device can switch from the normal RLM mode to the relaxed RLM mode; further, this example can also include:
  • Step 34 When the terminal device adopts the relaxed RLM mode for link detection, if the second RLM transition condition is met, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the second RLM conversion condition includes: the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds a second number threshold.
  • the terminal device when the terminal device performs link detection in the loose RLM mode, if the RRC layer receives continuous out-of-synchronization indications, it counts the count value of the continuously received out-of-synchronization indications to obtain the corresponding count value. When the second number threshold is reached, the terminal device determines to enter the relaxed RLM mode; otherwise, it remains in the relaxed RLM mode.
  • the RRC layer of the terminal device instructs the physical layer to use the measurement requirements corresponding to the relaxed RLM mode to perform link detection.
  • the measurement requirements corresponding to the relaxed RLM mode can be preset according to the protocol, or can be pre-configured for the terminal device for the network device, and if it is pre-configured, it can be configured for the terminal device through information such as RRC signaling or DCI. .
  • the difference between the corresponding measurement requirements is that the normal RLM mode can use the first measurement interval, and the relaxed RLM mode can use the second measurement interval, and the first measurement interval is smaller than the second measurement interval.
  • This step involves the processing of how to count the count value of the out-of-step indicator, which may include the processing of initializing or resetting the count value of the out-of-step indicator, and adding one to the count value of the out of step indicator.
  • the specific instructions are as follows:
  • the terminal device adds one to the count value of the out-of-synchronization indication; the third condition includes: when the terminal device is in the relaxed RLM mode, the RRC layer of the terminal device receives the physical Out-of-step indication of the layer.
  • the RRC layer of the terminal device receives an "out-of-sync" (out-of-sync) indication from the physical layer, and adds N1_counter (the count value of the out-of-sync indication) 1.
  • the terminal device initializes or resets the count value of the out-of-synchronization indication
  • the fourth condition includes at least one of the following:
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode
  • the terminal device receives a synchronization instruction (that is, an "in-sync" instruction);
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates the RRC connection reconfiguration process.
  • the count value of the synchronization indication can be increased by 1 if the first condition is met.
  • the second is the synchronization indication received continuously, which satisfies the first condition.
  • One condition adds 1 to the count value of the synchronization indication; the third one receives the out-of-synchronization indication, then according to the requirements of the second condition, it can be seen that the terminal device can set the count value of the synchronization indication to 0; and thereafter, 8 is received continuously.
  • a synchronization indication the count value of the synchronization indication reaches 8, which is the first number threshold configured by the network device (called M1), so it is determined to enter the relaxed RLM mode;
  • the count value of the out-of-synchronization indicator can be initialized to 0; after receiving the first indicator as an out-of-synchronization indicator, it can be determined that the out-of-synchronization indicator can be detected according to the third condition.
  • the indicated count value is increased by 1; then two synchronization instructions are received continuously, and according to the fourth condition, the count value of the out-of-synchronization indicator can be determined to be reset; then, 4 out-of-synchronization instructions are received continuously, and the third condition can be It is determined that the count value of the out-of-synchronization indicator is continuously increased by 1, and the count value of the out-of-step indicator reaches the second number threshold (N1) after the processing of adding 1 to the count value for 4 times, then it is determined to switch from the loose RLM mode to the normal RLM mode.
  • N1 second number threshold
  • the first consecutive number of thresholds (M1) synchronization indicators indicate that the channel is good enough to predict the possibility of link deterioration in the near future, so it can save energy and enter the relaxed RLM mode;
  • the second consecutive number of thresholds (N1) Out-of-synchronization indication means that the channel starts to deteriorate, and the terminal device switches back to the normal RLM mode to avoid more delays to the wireless link failure detection.
  • example 1 adds time limit on the basis of example 1. Specifically:
  • the third RLM conversion condition includes: within the first time period, the count value of the synchronization indication continuously received by the terminal device exceeds the third quantity threshold; that is, the RRC layer only receives "in- "Sync” synchronization indication, and the number of "in-sync" synchronization indications is greater than the third number threshold (M2).
  • the fifth RLM conversion condition includes: within the second time period, the count value of the out-of-synchronization indication continuously received by the terminal device exceeds a fourth quantity threshold. That is, within a period of time, the RRC layer only receives "out-of-sync" out-of-sync indications, and the number of "out-of-sync" out-of-sync indications is greater than a fourth number threshold (N2).
  • the counting processing of the count value can be realized by a counter or called a counter. Since this embodiment involves the count value of the synchronization indication and the count value of the out-of-synchronization indication, correspondingly, you can set two counter( Counter), the synchronization indicator counter can be represented as M2-counter, and the out-of-synchronization indicator counter can be represented as N2-counter.
  • the terminal device determines the conversion between different RLM modes according to the RLM conversion conditions, including:
  • the terminal device adopts the normal RLM mode, if the third RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the terminal device adopts the relaxed RLM mode
  • the fifth RLM transition condition is satisfied, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the first duration, the second duration, the third number threshold, and the fourth number threshold are preset or configured for a network device.
  • the first duration is the timing duration of the first timer
  • the second duration is the timing duration of the second timer. That is to say, by maintaining the first timer and the second timer, the count value and duration of the synchronization instruction continuously received by the terminal device and the count value and duration of the out-of-synchronization instruction continuously received by the terminal device are judged. , And then determine whether to switch to RLM mode.
  • the network device uses RRC information as a terminal device to configure the first duration, the second duration, the third quantity threshold, and the fourth quantity threshold.
  • RRC information as a terminal device to configure the first duration, the second duration, the third quantity threshold, and the fourth quantity threshold.
  • Step 51 The terminal device receives the RRC reconfiguration message of the network device.
  • the terminal device may be in a connected state; the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the RRC reconfiguration message may include: radio link monitoring configuration (RadioLinkMonitoringConfig) and radio link failure (RLF)-timer and constant (TimersAndConstants) configuration, etc.
  • RadioLinkMonitoringConfig radio link monitoring configuration
  • RLF radio link failure
  • timersAndConstants timersAndConstants
  • the RRC reconfiguration message may include at least one of the following:
  • FailureDetectionResources failure detection resources
  • SSB/CSI-RS resource configuration for wireless link monitoring
  • RLF Radio Link Failure
  • timer related parameters such as N310, N311, T310 and other parameters
  • the RRC reconfiguration message may further include: a third number threshold (M2) and a fourth number threshold (N2), and also include the timing duration of the first timer (T1), and the second timer The timing duration (T2) parameters and so on.
  • M2 third number threshold
  • N2 fourth number threshold
  • the M2 and N2 are counter thresholds (or called quantity thresholds) used to perform RLM mode switching, and the T1 and T2 are timer durations used to perform RLM mode switching; wherein, M2 is the maximum number of times that the RRC layer receives continuous "in-sync" synchronization instructions from the physical layer during the T1 running time, and N2 is the continuous “out-of-sync” out-of-sync received by the RRC layer from the physical layer during the T2 running time The maximum number of indications.
  • Step 52 Based on the network configuration, the terminal device is in the normal RLM mode by default.
  • Step 53 When the terminal device adopts the normal RLM mode, if the third RLM transition condition is satisfied, it is determined to switch from the normal RLM mode to the relaxed RLM mode.
  • the third RLM conversion condition includes: within the first time period, the count value of the synchronization instructions continuously received by the RRC layer of the terminal device exceeds a third number threshold.
  • the terminal device when the terminal device performs link detection in the normal RLM mode, if the RRC layer receives only the "in-sync" synchronization indication within time T1, and the count value of the "in-sync" synchronization indication is greater than M2, it will enter Relax the RLM mode and instruct the physical layer to enable the requirement of the relaxed RLM; otherwise, keep the normal RLM mode.
  • the RRC layer of the terminal device instructs the physical layer to use the measurement requirements corresponding to the normal RLM mode to perform link detection.
  • the measurement requirements corresponding to the normal RLM mode can be preset according to the protocol, or can be pre-configured for the terminal equipment for the network equipment. If it is pre-configured, it can be configured for the terminal equipment through RRC signaling or DCI and other information .
  • This step involves the processing of how to count the count value of the synchronization instruction, which may include the processing of initializing or resetting the count value of the synchronization instruction, and adding one to the count value of the synchronization instruction.
  • the specific instructions are as follows:
  • the terminal device adds one to the count value indicated by the synchronization
  • the fifth condition includes at least one of the following:
  • the RRC layer of the terminal device receives a synchronization instruction from the physical layer
  • the RRC layer of the terminal device receives the synchronization indication from the physical layer.
  • the RRC layer of the terminal device receives an "in-sync" (synchronization) indication from the physical layer, and sets M2_counter (synchronization) The indicated count value) self-increase by 1;
  • M2_counter count value of synchronization indication
  • T1 the first timer
  • the process of initializing or resetting the count value of the synchronization indication may include:
  • the terminal device initializes or resets the count value indicated by the synchronization
  • the sixth condition includes at least one of the following:
  • the terminal device enters the normal RLM mode
  • the terminal device receives an out-of-synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the first timer expires.
  • the terminal device There are two possibilities for the terminal device to enter the normal RLM mode. One is that the terminal device enters the normal RLM mode from the relaxed RLM mode, and the other is that the terminal device directly enters the normal RLM mode by default.
  • the receiving of the out-of-sync indication by the terminal device may mean that the RRC layer has received an out-of-sync indication from the physical layer.
  • This step is different from step 33 of Example 1 in that this example increases the timing duration of the first timer and the second timer. If the synchronization instruction is received in the normal RLM mode, the first timer can be run.
  • the processing method of a timer can include:
  • the terminal device stops the first timer when the following conditions are met:
  • the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer; that is, the terminal device is in the normal RLM mode, T1 (first timer ) Is running, the RRC layer receives an "Out-of-sync" out-of-sync indication from the physical layer.
  • the first timer can be stopped, that is, if the out-of-sync indication is received in the normal RLM mode Then the count value for the synchronization indication needs to be reset, and at this time, the timing of the first timer needs to be stopped accordingly.
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode. In other words, if the terminal device switches to the relaxed RLM mode, it is no longer necessary to maintain the timing of the first timer, and the first timer can be stopped at this time.
  • the processing method for starting or restarting the first timer may include: the terminal device starts or restarts the first timer when the following conditions are met: when the terminal device is in the normal RLM mode and the count value of the synchronization indication is 0,
  • the RRC layer of the terminal device receives the synchronization instruction from the physical layer. That is to say, the terminal device is in the normal RLM mode, and the count value (M2_counter) of the synchronization indication is 0. At this time, if the RRC layer receives an "in-sync" synchronization indication from the physical layer, it starts or restarts the first timer start the timer.
  • the count value of the synchronization indication is 0, then it can be considered that the normal RLM mode has just been entered.
  • the first timer can be started; or, in the other case , The terminal device is already in the normal RLM mode, but the first timer is stopped due to the previously received out-of-synchronization instruction. If the synchronization instruction is received again at this time, the first timer can be restarted.
  • the processing of the aforementioned first timer and the count value of the synchronization indication may include: if the terminal device enters the normal RLM mode, the count value of the synchronization indication is also initialized;
  • the count value of the synchronization indication is continuously increased by 1, and the operation of the first timer is maintained (that is, the operation status of the first timer is maintained), if the synchronization indication is continuously received.
  • the count value of the synchronization indication reaches the third number threshold and the first timer does not expire, that is, the third RLM conversion condition is satisfied. At this time, it can be determined to switch to the relaxed RLM mode, and the first timer is stopped at the same time.
  • the count value of the synchronization instruction is continuously increased by 1, and the operation of the first timer is maintained (that is, the operation state of the first timer is maintained).
  • the out-of-synchronization indication is received at this time, and the condition for stopping the first timer is met at this time, the first timer is stopped, And the sixth condition is met, the count value of the synchronization indication is reset to 0 at this time, and the terminal device remains in the normal RLM mode.
  • the terminal device can switch from the normal RLM mode to the relaxed RLM mode; further, this example can also include:
  • Step 54 When the terminal device adopts the relaxed RLM mode, if the fifth RLM transition condition is satisfied, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the fifth RLM conversion condition includes: within the second time period, the count value of the out-of-synchronization indication continuously received by the terminal device exceeds a fourth quantity threshold.
  • the terminal device when the terminal device performs link detection in the relaxed RLM mode, if the RRC layer only receives the "Out-of-sync" out-of-sync indication within time T2 (the second time period), and "Out-of-sync" If the count value of the out-of-synchronization indication is greater than N2 (the fourth number threshold), the UE enters the normal RLM mode and instructs the physical layer to enable the normal RLM requirement; otherwise, keep the relaxed RLM mode.
  • the RRC layer of the terminal device instructs the physical layer to use the measurement requirements corresponding to the relaxed RLM mode to perform link detection.
  • the measurement requirements corresponding to the relaxed RLM mode can be preset according to the protocol, or can be pre-configured for the terminal device for the network device, and if it is pre-configured, it can be configured for the terminal device through information such as RRC signaling or DCI. .
  • the difference between the corresponding measurement requirements is that the normal RLM mode can use the first measurement interval, and the relaxed RLM mode can use the second measurement interval, and the first measurement interval is smaller than the second measurement interval.
  • This step involves the processing of how to count the count value of the out-of-step indicator, which may include the processing of initializing or resetting the count value of the out-of-step indicator, and adding one to the count value of the out of step indicator.
  • the specific instructions are as follows:
  • the terminal device adds one to the count value of the out-of-synchronization indication:
  • the seventh condition includes at least one of the following:
  • the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer. That is, the terminal device is in the relaxed RLM mode, the second timer is running, and the RRC layer receives an "out-of-sync" out-of-sync indication from the physical layer, and adds 1 to the out-of-sync indication count value (N2_counter) .
  • the RRC layer of the terminal device receives the out-of-synchronization indication from the physical layer. That is, the terminal device is in the loose RLM mode, the count value (N2_counter) of the out-of-sync indication is 0 and the second timer is not running, the RRC layer receives an "out-of-sync" out-of-sync indication from the physical layer, Add 1 to the count value (N2_counter) of the out-of-step indication.
  • the method of resetting the count value of the out-of-synchronization indicator can include:
  • the terminal device resets the count value of the out-of-synchronization indication
  • the eighth condition includes at least one of the following:
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode
  • the terminal device receives a synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the second timer expires.
  • step 34 in Example 1 is different from step 34 in Example 1 in that this example adds processing for the initialization, resetting or stopping of the second timer, specifically:
  • the terminal device starts or restarts the second timer when the following conditions are met: when the terminal device is in the loose RLM mode and the count value of the out-of-synchronization indicator is 0, the RRC layer of the terminal device receives the loss of the physical layer. Step instructions. For example, the terminal device is in the relaxed RLM mode, N2_counter (count value of the out-of-sync indication) is 0, and the RRC layer receives an "Out-of-sync" out-of-sync indication from the physical layer.
  • the terminal device stops the second timer when the following conditions are met:
  • the RRC layer of the terminal device receives a synchronization instruction from the physical layer
  • the terminal device switches from the relaxed RLM mode to the normal RLM mode.
  • the processing of the aforementioned second timer and the count value of the out-of-synchronization indicator may include: if the terminal device enters the loose RLM mode, resetting the count value of the out-of-synchronization indicator to 0;
  • the count value of the out-of-synchronization indication is increased by 1, and the start condition of the second timer is met, and the second timer is initialized at this time;
  • the second timer is kept running (that is, the running state of the second timer is maintained).
  • the count value receiving the out-of-synchronization indication reaches the fourth number threshold and the second timer does not expire, that is, the fifth RLM conversion condition is met. At this time, it can be determined to be converted to the normal RLM mode, and the second timer is stopped at the same time.
  • the second timer is kept running (that is, the running state of the second timer is kept), if The count value of the continuous reception of the out-of-synchronization indication has not reached the fourth number threshold and the second timer has not timed out.
  • the synchronization indication is received, and the condition for stopping the second timer is met at this time, the second timer is set Stop, reset the count value of the synchronization indication to 0 at this time, and the terminal device remains in the normal RLM mode.
  • the count value of the out-of-synchronization indication is increased by 1 when the out-of-synchronization indication is received, and the start condition of the second timer is met. At this time, the second timer is initialized and then Loop processing, no more details.
  • the RRC layer After entering the normal RLM mode, when the RRC layer receives the first synchronization indication, it adds 1 to the count value of the synchronization indication and starts the first timer (T1) at the same time. If the second and third receive out-of-synchronization indications, then The first timer (T1) is stopped, and the count value of the synchronization indication is reset to 0; after that, 8 synchronization indications are continuously received, and the count value of the synchronization indication reaches 8, which is the third configuration of the network device.
  • the number threshold (called M2) and the first timer (T1) has not timed out, so it is determined to enter the relaxed RLM mode and at the same time stop T1;
  • the count value of the out-of-synchronization indicator can be initialized to 0; after receiving the first instruction as the out-of-synchronization indicator, it can add 1 to the count value of the out-of-synchronization indicator, and start the second Timer (T2); then two consecutive synchronization instructions are received, the count value of the out-of-synchronization indicator is reset to 0, and the second timer (T2) is stopped; then, four out-of-synchronization instructions are received continuously, confirm Continuously increase the count value of the out-of-synchronization indication by 1, and after performing the processing of adding 1 to the count value for 4 times, the count value of the out-of-synchronization indication reaches the fourth number threshold (N2), and the second timer T2 has not timed out, then It is determined to switch from the relaxed RLM mode to the normal RLM mode, and the second timer (T2) is stopped.
  • Example 1 adds the time limit on the basis of Example 1, but is different from the time limit of Example 2 in that this example is performed for the time interval of adjacent synchronization indications or adjacent out-of-synchronization indications.
  • this example adds the time limit on the basis of Example 1, but is different from the time limit of Example 2 in that this example is performed for the time interval of adjacent synchronization indications or adjacent out-of-synchronization indications.
  • the fourth RLM conversion condition includes: the count value of the synchronization instructions continuously received by the terminal device exceeds the fifth number threshold, and the time interval between adjacent synchronization instructions is not greater than the third duration.
  • the unit of measurement of the time interval can be the indication period (indication Period), that is, the RRC layer receives consecutive M3 (fifth number threshold) "in-sync" indications, and adjacent "in-sync” indications
  • the synchronization indication does not differ by more than L1 indication period.
  • the sixth RLM conversion condition includes: the count value of the out-of-synchronization instructions continuously received by the terminal device exceeds the sixth number threshold, and the time interval between adjacent out-of-synchronization instructions is not greater than the fourth duration.
  • the unit of measurement of the time interval can be the indication Period, that is to say, the RRC layer receives consecutive N3 (the sixth number threshold) "out-of-sync" out-of-sync indications, and they are adjacent to each other.
  • the “out-of-sync” indication does not differ by more than L2 indication period.
  • the terminal device determines the conversion between different RLM modes according to the RLM conversion conditions, including:
  • the terminal device adopts the normal RLM mode, if the fourth RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the terminal device adopts the relaxed RLM mode
  • the sixth RLM transition condition is satisfied, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the third duration, the fourth duration, the fifth number threshold, and the sixth number threshold are preset or configured for the network device.
  • the third duration is the timing duration of the third timer
  • the fourth duration is the timing duration of the fourth timer. That is to say, by maintaining the third timer and the fourth timer, the count value and duration of the synchronization instructions continuously received by the terminal device and the count value and duration of the out-of-synchronization instructions continuously received by the terminal device are judged. , And then determine whether to switch to RLM mode.
  • the network device uses RRC information as a terminal device to configure the third duration, the fourth duration, the fifth number threshold, and the sixth number threshold to describe this example:
  • Step 71 The terminal device receives the RRC reconfiguration message of the network device.
  • the terminal device may be in a connected state; the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the RRC reconfiguration message may include: radio link monitoring configuration (RadioLinkMonitoringConfig) and radio link failure (RLF)-timer and constant (TimersAndConstants) configuration, etc.
  • RadioLinkMonitoringConfig radio link monitoring configuration
  • RLF radio link failure
  • timersAndConstants timersAndConstants
  • the RRC reconfiguration message may include at least one of the following:
  • FailureDetectionResources failure detection resources
  • SSB/CSI-RS resource configuration for wireless link monitoring
  • RLF Radio Link Failure
  • timer related parameters such as N310, N311, T310 and other parameters
  • the RRC reconfiguration message may further include: a fifth number threshold (M3) and a sixth number threshold (N3), and the timing duration of the third timer (L1), and a fourth timer The timing duration (L2) parameters and so on.
  • M3 fifth number threshold
  • N3 sixth number threshold
  • L1 the timing duration of the third timer
  • L2 The timing duration
  • the M3 and N3 parameters, the parameters L1 and L2, the M3 and N3 are the counter thresholds used for the UE to perform RLM mode switching, and the L1 and L2 are the timer durations used for counter counting.
  • M3 is the maximum number of times that the RRC layer receives continuous "in-sync" synchronization indications from the physical layer during the L1 running time
  • N3 is the continuous “out-of-sync” out-of-sync received by the RRC layer from the physical layer during the L2 running time
  • the unit of L1 and L2 is ms or indication period.
  • the counting processing of the count value can be realized by a counter or called a counter. Since this embodiment involves the count value of the synchronization indication and the count value of the out-of-synchronization indication, correspondingly, you can set two counter( Counter), the synchronization indicator counter can be represented as M3-counter, and the out-of-synchronization indicator counter can be represented as N3-counter.
  • Step 72 Based on the network configuration, the terminal device is in the normal RLM mode by default.
  • Step 73 When the terminal device adopts the normal RLM mode, if the fourth RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode.
  • the fourth RLM conversion condition includes: the count value of the synchronization instructions continuously received by the RRC layer of the terminal device exceeds the fifth number threshold, and the time interval between adjacent synchronization instructions is not greater than the third duration.
  • the terminal device performs link detection in the normal RLM mode, if the RRC layer receives M3 consecutive "in-sync" synchronization instructions, and the time interval between every two adjacent "in-sync" synchronization instructions does not exceed L1, Then the UE enters the relaxed RLM mode and instructs the physical layer to enable the requirement of relaxed RLM.
  • the RRC layer of the terminal device instructs the physical layer to use the measurement requirements corresponding to the normal RLM mode to perform link detection.
  • the measurement requirements corresponding to the normal RLM mode can be preset according to the protocol, or can be pre-configured for the terminal equipment for the network equipment. If it is pre-configured, it can be configured for the terminal equipment through RRC signaling or DCI and other information .
  • This step involves the processing of how to count the count value of the synchronization instruction, which may include the processing of initializing or resetting the count value of the synchronization instruction, and adding one to the count value of the synchronization instruction.
  • the specific instructions are as follows:
  • the terminal device adds one to the count value indicated by the synchronization
  • the ninth condition includes at least one of the following:
  • the RRC layer of the terminal device receives a synchronization instruction from the physical layer
  • the third timer is not running, and the count value of the synchronization indication is 0, the RRC layer of the terminal device receives the synchronization indication of the physical layer.
  • the RRC layer of the terminal device receives an "in-sync" (synchronization) indication from the physical layer, and sets M3_counter (synchronization indication) Count value) is incremented by 1.
  • M3_counter the count value of the synchronization indication
  • L1 the third timer
  • the process of initializing or resetting the count value of the synchronization indication may include:
  • the terminal device initializes or resets the count value of the synchronization indication
  • the tenth condition includes at least one of the following:
  • the terminal device enters the normal RLM mode
  • the terminal device receives an out-of-synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the third timer (L1) expires.
  • the terminal device There are two possibilities for the terminal device to enter the normal RLM mode. One is that the terminal device enters the normal RLM mode from the relaxed RLM mode, and the other is that the terminal device directly enters the normal RLM mode by default.
  • the receiving of the out-of-sync indication by the terminal device may mean that the RRC layer has received an out-of-sync indication from the physical layer.
  • the processing methods for initializing, resetting or stopping the third timer may include:
  • the terminal device starts or restarts the third timer when the following conditions are met: when the terminal device is in the normal RLM mode, the RRC layer of the terminal device receives a synchronization instruction from the physical layer.
  • the terminal device stops the third timer when at least one of the following conditions is met:
  • the RRC layer of the terminal device receives an out-of-synchronization indication from the physical layer
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode.
  • the processing of the aforementioned third timer and the count value of the synchronization indication may include: if the terminal device enters the normal RLM mode, the count value of the synchronization indication is also initialized;
  • the synchronization indication is received again when the third timer has not timed out (that is, in the running state), then the count value of the synchronization indication is continuously increased by 1, and the third timer is reset; if it is continuous
  • the count value received the synchronization instruction reaches the third number threshold, and the third timer does not time out each time, that is, the fourth RLM transition condition is met. At this time, it can be determined to switch to the relaxed RLM mode and stop the third timing at the same time Device.
  • the count value of the synchronization instruction is increased by 1; if the count value of the synchronization instruction is continuously received, the count value does not reach the third If the number threshold value or any third timer expires, the normal RLM mode will be maintained, or if the out-of-synchronization indicator is received at this time, the count value of the synchronization indicator will be reset to 0, and the terminal device will remain in the normal RLM model.
  • the terminal device can switch from the normal RLM mode to the relaxed RLM mode; further, this example can also include:
  • Step 74 When the terminal device adopts the relaxed RLM mode, if the sixth RLM transition condition is satisfied, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the sixth RLM conversion condition includes: the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds the sixth number threshold, and the time interval between adjacent out-of-synchronization indications is not greater than the fourth duration.
  • the terminal device when the terminal device performs link detection in the loose RLM mode, if the RRC layer receives N3 consecutive "Out-of-sync" indications, and the time interval between every two adjacent "Out-of-sync" out-of-sync indications If it does not exceed L1, the terminal device enters the normal RLM mode and instructs the physical layer to enable the requirement of normal RLM.
  • the RRC layer of the terminal device instructs the physical layer to use the measurement requirements corresponding to the relaxed RLM mode to perform link detection.
  • the measurement requirements corresponding to the relaxed RLM mode can be preset according to the protocol, or can be pre-configured for the terminal device for the network device, and if it is pre-configured, it can be configured for the terminal device through information such as RRC signaling or DCI. .
  • the difference between the corresponding measurement requirements is that the normal RLM mode can use the first measurement interval, and the relaxed RLM mode can use the second measurement interval, and the first measurement interval is smaller than the second measurement interval.
  • This step involves the processing of how to count the count value of the out-of-step indicator, which may include the processing of initializing or resetting the count value of the out-of-step indicator, and adding one to the count value of the out of step indicator.
  • the specific instructions are as follows:
  • the terminal device adds one to the count value of the out-of-synchronization indication
  • the eleventh condition includes at least one of the following:
  • the RRC layer of the terminal device When the terminal device is in the relaxed RLM mode and the fourth timer is in the running state, the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer. That is, when the terminal device is in the relaxed RLM mode and the fourth timer L2 is running, if the RRC layer of the terminal device receives an "out-of-sync" out-of-sync indication from the physical layer, the out-of-sync indication will be The count value (N3_counter) is incremented by 1.
  • the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer. That is, when the terminal device is in the normal RLM mode, the count value (N3_counter) of the out-of-synchronization indicator is 0 and the fourth timer L2 is not running, if the RRC layer of the terminal device receives an "out-" from the physical layer "of-sync" out-of-synchronization indication, the count value (N3_counter) of the out-of-sync indication is incremented by one.
  • the method of resetting the count value of the out-of-synchronization indicator can include:
  • the terminal device If the twelfth condition is met, the terminal device resets according to the count value of the out-of-synchronization indication
  • the twelfth condition includes at least one of the following:
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode
  • the terminal device receives a synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the fourth timer expires.
  • this example adds processing for the initialization, resetting or stopping of the fourth timer, specifically:
  • the terminal device starts or restarts the fourth timer when the following conditions are met: when the terminal device is in the relaxed RLM mode, the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer.
  • the terminal device stops the fourth timer when at least one of the following conditions is met:
  • the RRC layer of the terminal device receives a synchronization indication from the physical layer
  • the terminal device switches from the relaxed RLM mode to the normal RLM mode.
  • the processing of the aforementioned fourth timer and the count value of the out-of-synchronization indication may include: if the terminal device enters the RLM relaxation mode, resetting the count value of the out-of-synchronization indication to 0;
  • the fourth timer if the out-of-synchronization instruction is received during the operation of the fourth timer, the count value of the out-of-synchronization instruction is continuously increased by 1, and the fourth timer is reset; if the count value of the out-of-synchronization instruction is continuously received reaches the first There are six thresholds and the fourth timer has not timed out, that is, the sixth RLM conversion condition is satisfied. At this time, it can be determined to be converted to the normal RLM mode, and the second timer is stopped at the same time. Otherwise, the terminal device remains in the normal RLM mode.
  • the RRC layer After entering the normal RLM mode, when the RRC layer receives the first synchronization indication, it adds 1 to the count value of the synchronization indication, and at the same time starts the third timer (L1), receives the out-of-synchronization indication, stops the third timer, and restarts Set the count value of the synchronization indication to 0; afterwards, 8 consecutive synchronization indications are received, and the count value of the synchronization indication reaches 8, which is the fifth number threshold configured by the network device (called M3), and The time interval between two adjacent synchronization indications does not exceed the duration of the third timer (L1), so it is determined to enter the relaxed RLM mode, and T1 is stopped at the same time;
  • the terminal device After the terminal device enters the relaxed RLM mode in the figure, it can first initialize the count value of the out-of-synchronization indicator to 0; after receiving the first out-of-synchronization indicator, it can add 1 to the count value of the out-of-synchronization indicator and start the fourth timer (L2); Then two synchronization instructions are received continuously, the count value of the out-of-synchronization indicator is reset to 0, and the fourth timer (L2) is stopped; then, four out-of-synchronization instructions are received continuously, and the continuous After adding 1 to the count value of the out-of-synchronization indicator, the count value of the out-of-synchronization indicator reaches the fourth number threshold (N3) and the time between two adjacent out-of-step instructions after performing the processing of adding 1 to the count value for 4 times If the interval does not exceed the duration of the fourth timer (L2), it is determined to switch from the relaxed RLM mode to the normal RLM mode, and the fourth timer (L2) is stopped.
  • N3 fourth number threshold
  • the conditions for the RLM mode conversion in this example are more stringent.
  • the synchronization instructions are continuously received and the time interval between adjacent synchronization instructions does not exceed the third time period, it is considered that the future channel will continue to maintain a good state, so the terminal can It saves power and performs relaxation measurements without having too much influence on wireless link failures.
  • the out-of-synchronization indication is received continuously and the time interval between adjacent out-of-synchronization indications does not exceed the fourth time period, it is considered that the future channel will continue to be in a poor state, and the random factors that the channel becomes better in individual time intervals are eliminated. Then return to the normal measurement state to avoid detecting the failure of the wireless link too late.
  • the terminal device determines the conversion between different RLM modes according to the RLM conversion conditions, including:
  • the terminal device adopts the normal RLM mode, if the third RLM conversion condition and the fourth RLM conversion condition are met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the terminal device adopts the relaxed RLM mode, if the fifth RLM conversion condition and the sixth RLM conversion condition are met, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the terminal device needs: within the first time period, the terminal The count value of the synchronization instructions received continuously by the device exceeds the third number threshold; that is, the RRC layer only receives "in-sync" synchronization instructions within a period of time, and the number of "in-sync" synchronization instructions is greater than the third number Threshold value (M2); and, the count value of continuously received synchronization instructions exceeds the fifth number threshold, and the time interval between adjacent synchronization instructions is not greater than the third duration.
  • M2 Threshold value
  • the unit of measurement of the time interval can be the indication period (indication Period), that is, the RRC layer receives consecutive M3 (fifth number threshold) "in-sync" indications, and adjacent "in-sync” indications
  • the synchronization indication does not differ by more than L1 indication period.
  • the third quantity threshold and the fifth quantity threshold may be the same.
  • the terminal device needs to have the count value of the out-of-synchronization indication continuously received by the terminal device exceed the fourth number threshold within the second time period. That is, within a period of time, the RRC layer only receives "out-of-sync" out-of-sync indications, and the number of "out-of-sync" out-of-sync indications is greater than a fourth number threshold (N2), and at the same time It is required that the count value of the out-of-synchronization indications continuously received by the terminal device exceeds the sixth number threshold, and the time interval between adjacent out-of-synchronization indications is not greater than the fourth duration.
  • N2 fourth number threshold
  • the unit of measurement of the time interval can be the indication Period, that is to say, the RRC layer receives consecutive N3 (the sixth number threshold) "out-of-sync" out-of-sync indications, and they are adjacent to each other.
  • the “out-of-sync” indication does not differ by more than L2 indication period.
  • the fourth quantity threshold and the sixth quantity threshold may be the same.
  • the conditions for RLM mode conversion are more stringent.
  • the time interval between adjacent synchronization instructions does not exceed a certain time interval. It is believed that the channel will continue to maintain a good state in the future, so that the terminal can save power and perform relaxation measurements without having too much influence on the failure of the wireless link.
  • the out-of-synchronization indication is received continuously and the time interval between adjacent out-of-synchronization indications does not exceed the fourth time period, it is considered that the future channel will continue to be in a poor state, and the random factors that the channel becomes better in individual time intervals are eliminated. Then return to the normal measurement state to avoid detecting the failure of the wireless link too late.
  • the embodiment of the present invention provides a terminal device, as shown in FIG. 9, including:
  • the processing unit 91 determines the conversion between different RLM modes according to the RLM conversion conditions
  • the RLM conversion condition is at least related to the count value of the synchronization indication or the out-of-synchronization indication continuously received by the radio resource control RRC layer of the terminal device;
  • the RLM modes include: a normal RLM mode and a relaxed RLM mode, and the measurement interval of the normal RLM mode is smaller than the measurement interval of the relaxed RLM mode.
  • the first RLM conversion condition includes: the count value of the synchronization indication continuously received by the RRC layer of the terminal device exceeds the first number threshold;
  • the second RLM conversion condition includes: the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds a second number threshold.
  • the first quantity threshold and the second quantity threshold are preset or configured for network equipment.
  • the preset can be preset by the terminal device according to the protocol;
  • the network device configuration can be understood as the network device pre-configured for the terminal device through the configuration information.
  • the network device can be controlled by the radio resource (RRC, Radio Resource Control). Control)
  • the reconfiguration message is configured for the terminal device.
  • the processing unit 91 adopts the normal RLM mode for link detection, if the first RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the terminal device adopts the relaxed RLM mode for link detection, if the second RLM transition condition is met, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the terminal device further includes: a communication unit 92, configured to receive an RRC reconfiguration message of the network device;
  • the terminal device may be in a connected state; the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the RRC reconfiguration message may include: radio link monitoring configuration (RadioLinkMonitoringConfig) and radio link failure (RLF)-timer and constant (TimersAndConstants) configuration, etc.
  • RadioLinkMonitoringConfig radio link monitoring configuration
  • RLF radio link failure
  • timersAndConstants timersAndConstants
  • the RRC reconfiguration message may include at least one of the following:
  • FailureDetectionResources failure detection resources
  • SSB/CSI-RS resource configuration for wireless link monitoring
  • RLF Radio Link Failure
  • timer related parameters such as N310, N311, T310 and other parameters
  • the RRC reconfiguration message may further include: a first number threshold value and a second number threshold value.
  • the first number threshold can be expressed as M1, and the second number threshold can be expressed as N1; the M1 and N1 are the number thresholds for the terminal device to perform RLM mode switching.
  • M1 is the maximum number of times that the RRC layer receives consecutive in-sync indications from the physical layer; N1 is the maximum number of times that the RRC layer receives consecutive out-of-sync indications from the physical layer.
  • the first quantity threshold and the second quantity threshold can be used as parameters in the radio link monitoring configuration (RadioLinkMonitoringConfig), or radio link failure (RLF)-timers and constants (TimersAndConstants).
  • the parameter in the configuration can also be a parameter that is configured separately in addition to the above two configurations, which is not limited in this example.
  • the processing unit 91 based on the network configuration, the terminal device is in the normal RLM mode by default.
  • the processing unit 91 determines to switch from the normal RLM mode to the relaxed RLM mode if the first RLM transition condition is met when the normal RLM mode is used for link detection.
  • the first RLM conversion condition includes: the count value of the synchronization indication continuously received by the RRC layer of the terminal device exceeds a first number threshold.
  • the RRC layer of the terminal device instructs the physical layer to use the measurement requirements corresponding to the normal RLM mode to perform link detection.
  • How to count the count value of the synchronization indication may include the process of initializing or resetting the count value of the synchronization indication and adding one to the count value of the synchronization indication.
  • the specific instructions are as follows:
  • the processing unit 91 if the first condition is met, adds one to the count value of the synchronization indication; the first condition includes: when the terminal device is in the normal RLM mode, the RRC layer receives the synchronization indication from the physical layer.
  • the processing unit 91 if the second condition is met, initialize or reset the count value indicated by the synchronization;
  • the second condition includes at least one of the following:
  • the terminal device enters the normal RLM mode
  • the terminal device receives an out-of-synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates the RRC connection reconfiguration process.
  • the terminal device can switch from the normal RLM mode to the relaxed RLM mode; further, this example can also include:
  • the processing unit 91 determines to switch from the relaxed RLM mode to the normal RLM mode if the second RLM transition condition is met when the relaxed RLM mode is used for link detection.
  • the second RLM conversion condition includes: the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds a second number threshold.
  • the processing unit 91 when entering the relaxed RLM mode, the RRC layer instructs the physical layer to use the measurement requirements corresponding to the relaxed RLM mode to perform link detection.
  • the processing of how to count the count value of the out-of-synchronization indication may include the processing of initializing or resetting the count value of the out-of-synchronization indication and adding one to the count value of the out-of-synchronization indication.
  • the specific instructions are as follows:
  • the processing unit 91 if the third condition is met, the terminal device adds one to the count value of the out-of-synchronization indication; the third condition includes: when the terminal device is in the relaxed RLM mode, the RRC of the terminal device The layer receives an out-of-synchronization indication from the physical layer.
  • the processing unit 91 if the fourth condition is met, the terminal device initializes or resets the count value of the out-of-synchronization indication;
  • the fourth condition includes at least one of the following:
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode
  • the terminal device receives a synchronization instruction (that is, an "in-sync" instruction);
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates the RRC connection reconfiguration process.
  • example 1 adds time limit on the basis of example 1. Specifically:
  • the third RLM conversion condition includes: within the first time period, the count value of the synchronization indication continuously received by the RRC layer of the terminal device exceeds the third number threshold; that is, the RRC layer only receives "In-sync” synchronization instructions, and the number of "in-sync" synchronization instructions is greater than the third number threshold (M2).
  • the fifth RLM conversion condition includes: within the second time period, the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds a fourth quantity threshold. That is, within a period of time, the RRC layer only receives "out-of-sync" out-of-sync indications, and the number of "out-of-sync" out-of-sync indications is greater than a fourth number threshold (N2).
  • the processing unit 91 adopts the normal RLM mode, if the third RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the terminal device adopts the relaxed RLM mode
  • the fifth RLM transition condition is satisfied, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the first duration, the second duration, the third number threshold, and the fourth number threshold are preset or configured for a network device.
  • the first duration is the timing duration of the first timer
  • the second duration is the timing duration of the second timer. That is to say, by maintaining the first timer and the second timer, the count value and duration of the synchronization instruction continuously received by the terminal device and the count value and duration of the out-of-synchronization instruction continuously received by the terminal device are judged. , And then determine whether to switch to RLM mode.
  • This example is described in a scenario where a network device uses RRC information as a terminal device to configure the first duration, the second duration, the third number threshold, and the fourth number threshold:
  • the communication unit receives the RRC reconfiguration message of the network device
  • the terminal device may be in a connected state; the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the RRC reconfiguration message may include: radio link monitoring configuration (RadioLinkMonitoringConfig) and radio link failure (RLF)-timer and constant (TimersAndConstants) configuration, etc.
  • RadioLinkMonitoringConfig radio link monitoring configuration
  • RLF radio link failure
  • timersAndConstants timersAndConstants
  • the RRC reconfiguration message may include at least one of the following:
  • FailureDetectionResources failure detection resources
  • SSB/CSI-RS resource configuration for wireless link monitoring
  • RLF Radio Link Failure
  • timer related parameters such as N310, N311, T310 and other parameters
  • the RRC reconfiguration message may further include: a third number threshold (M2) and a fourth number threshold (N2), and also include the timing duration of the first timer (T1), and the second timer The timing duration (T2) parameters and so on.
  • M2 third number threshold
  • N2 fourth number threshold
  • the M2 and N2 are counter thresholds (or called quantity thresholds) used to perform RLM mode switching, and the T1 and T2 are timer durations used to perform RLM mode switching; wherein, M2 is the maximum number of times that the RRC layer receives continuous "in-sync" synchronization instructions from the physical layer during the T1 running time, and N2 is the continuous “out-of-sync” out-of-sync received by the RRC layer from the physical layer during the T2 running time The maximum number of indications.
  • the processing unit 91 determines to switch from the normal RLM mode to the relaxed RLM mode if the third RLM transition condition is met when the terminal device adopts the normal RLM mode.
  • the third RLM conversion condition includes: within the first time period, the count value of the synchronization instructions continuously received by the RRC layer of the terminal device exceeds a third number threshold.
  • How to count the count value of the synchronization indication may include the process of initializing or resetting the count value of the synchronization indication and adding one to the count value of the synchronization indication.
  • the specific instructions are as follows:
  • the processing unit 91 if the fifth condition is met, the terminal device adds one to the count value indicated by the synchronization;
  • the fifth condition includes at least one of the following:
  • the RRC layer of the terminal device receives a synchronization instruction from the physical layer
  • the RRC layer of the terminal device receives the synchronization indication of the physical layer.
  • the processing unit 91 if the sixth condition is met, the terminal device initializes or resets the count value indicated by the synchronization;
  • the sixth condition includes at least one of the following:
  • the terminal device enters the normal RLM mode
  • the terminal device receives an out-of-synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the first timer expires.
  • This example increases the timing duration of the first timer and the second timer.
  • the first timer can be run.
  • the processing methods for stopping the first timer can include:
  • the processing unit 91 stops the first timer when the following conditions are met:
  • the RRC layer of the terminal device receives an out-of-synchronization indication from the physical layer
  • the processing method for starting or restarting the first timer may include: the processing unit 91 starts or restarts the first timer when the following conditions are met: when the terminal device is in the normal RLM mode and the count value of the synchronization indication is 0,
  • the RRC layer of the terminal device receives the synchronization instruction from the physical layer.
  • the terminal device can switch from the normal RLM mode to the relaxed RLM mode; further, this example can also include:
  • the processing unit 91 when the relaxed RLM mode is adopted, determines to switch from the relaxed RLM mode to the normal RLM mode if the fifth RLM transition condition is satisfied.
  • the fifth RLM conversion condition includes: within the second time period, the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds a fourth quantity threshold.
  • the process of counting the count value of the out-of-synchronization indication may include the process of initializing or resetting the count value of the out-of-synchronization indication and adding one to the count value of the out-of-synchronization indication.
  • the specific instructions are as follows:
  • the processing unit 91 if the seventh condition is met, the terminal device adds one to the count value of the out-of-synchronization indication:
  • the seventh condition includes at least one of the following:
  • the RRC layer of the terminal device receives an out-of-synchronization indication from the physical layer
  • the RRC layer of the terminal device receives the out-of-synchronization indication from the physical layer.
  • the method of resetting the count value of the out-of-synchronization indicator can include:
  • the processing unit 91 if the eighth condition is met, reset the count value of the out-of-synchronization indication;
  • the eighth condition includes at least one of the following:
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode
  • the terminal device receives a synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the second timer expires.
  • This example adds processing for the initialization, resetting or stopping of the second timer, specifically:
  • the processing unit 91 starts or restarts the second timer when the following conditions are met: when the terminal device is in the relaxed RLM mode and the count value of the out-of-synchronization indicator is 0, the RRC layer of the terminal device receives the out-of-step of the physical layer. Step instructions.
  • the processing unit 91 stops the second timer when the following conditions are met:
  • the RRC layer of the terminal device receives a synchronization instruction from the physical layer
  • the terminal device switches from the relaxed RLM mode to the normal RLM mode.
  • Example 1 adds the time limit on the basis of Example 1, but is different from the time limit of Example 2 in that this example is performed for the time interval of adjacent synchronization indications or adjacent out-of-synchronization indications.
  • this example adds the time limit on the basis of Example 1, but is different from the time limit of Example 2 in that this example is performed for the time interval of adjacent synchronization indications or adjacent out-of-synchronization indications.
  • the fourth RLM conversion condition includes: the count value of the synchronization instructions continuously received by the RRC layer of the terminal device exceeds the fifth number threshold, and the time interval between adjacent synchronization instructions is not greater than the third duration.
  • the unit of measurement of the time interval can be the indication period (indication Period), that is, the RRC layer receives consecutive M3 (fifth number threshold) "in-sync" indications, and adjacent "in-sync" indications
  • the synchronization indication does not differ by more than L1 indication period.
  • the sixth RLM conversion condition includes: the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds the sixth number threshold, and the time interval between adjacent out-of-synchronization indications is not greater than the fourth duration.
  • the unit of measurement of the time interval can be the indication Period, that is to say, the RRC layer receives consecutive N3 (the sixth number threshold) "out-of-sync" out-of-sync indications, and they are adjacent to each other.
  • the “out-of-sync” indication does not differ by more than L2 indication period.
  • the processing unit 91 adopts the normal RLM mode, if the fourth RLM transition condition is met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the third duration, the fourth duration, the fifth number threshold, and the sixth number threshold are preset or configured for the network device.
  • the third duration is the timing duration of the third timer
  • the fourth duration is the timing duration of the fourth timer. That is to say, by maintaining the third timer and the fourth timer, the count value and duration of the synchronization instructions continuously received by the terminal device and the count value and duration of the out-of-synchronization instructions continuously received by the terminal device are judged. , And then determine whether to switch to RLM mode.
  • This example is described in a scenario where a network device uses RRC information as a terminal device to configure the third time length, the fourth time length, the fifth number threshold, and the sixth number threshold:
  • the communication unit 92 receives the RRC reconfiguration message of the network device
  • the terminal device may be in a connected state; the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the network device may be an access network device, for example, it may be a base station (eNB, gNB, etc.).
  • the RRC reconfiguration message may include: radio link monitoring configuration (RadioLinkMonitoringConfig) and radio link failure (RLF)-timer and constant (TimersAndConstants) configuration, etc.
  • RadioLinkMonitoringConfig radio link monitoring configuration
  • RLF radio link failure
  • timersAndConstants timersAndConstants
  • the RRC reconfiguration message may include at least one of the following:
  • FailureDetectionResources failure detection resources
  • SSB/CSI-RS resource configuration for wireless link monitoring
  • RLF Radio Link Failure
  • timer related parameters such as N310, N311, T310 and other parameters
  • the RRC reconfiguration message may further include: a fifth number threshold (M3) and a sixth number threshold (N3), and the timing duration of the third timer (L1), and a fourth timer The timing duration (L2) parameters and so on.
  • M3 fifth number threshold
  • N3 sixth number threshold
  • L1 the timing duration of the third timer
  • L2 The timing duration
  • the M3 and N3 parameters, the parameters L1 and L2, the M3 and N3 are the counter thresholds used for the UE to perform RLM mode switching, and the L1 and L2 are the timer durations used for counter counting.
  • M3 is the maximum number of times that the RRC layer receives continuous "in-sync" synchronization indications from the physical layer during the L1 running time
  • N3 is the continuous “out-of-sync” out-of-sync received by the RRC layer from the physical layer during the L2 running time
  • the unit of L1 and L2 is ms or indication period.
  • the processing unit 91 determines to switch from the normal RLM mode to the relaxed RLM mode if the fourth RLM transition condition is met when the normal RLM mode is adopted.
  • the fourth RLM conversion condition includes: the count value of the synchronization instructions continuously received by the RRC layer of the terminal device exceeds the fifth number threshold, and the time interval between adjacent synchronization instructions is not greater than the third duration.
  • the processing of counting the count value of the synchronization instruction may include the processing of initializing or resetting the count value of the synchronization instruction and adding one to the count value of the synchronization instruction.
  • the specific instructions are as follows:
  • the processing unit 91 if the ninth condition is met, the terminal device adds one to the count value indicated by the synchronization;
  • the ninth condition includes at least one of the following:
  • the RRC layer of the terminal device receives a synchronization instruction from the physical layer
  • the third timer is not running, and the count value of the synchronization indication is 0, the RRC layer of the terminal device receives the synchronization indication of the physical layer.
  • the processing unit 91 if the tenth condition is met, the terminal device initializes or resets the count value indicated by the synchronization;
  • the tenth condition includes at least one of the following:
  • the terminal device enters the normal RLM mode
  • the terminal device receives an out-of-synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the third timer (L1) expires.
  • the processing methods for initializing, resetting or stopping the third timer may include:
  • the processing unit 91 starts or restarts the third timer when the following conditions are met: when the terminal device is in the normal RLM mode, the RRC layer of the terminal device receives a synchronization instruction from the physical layer.
  • the processing unit 91 stops the third timer when at least one of the following conditions is met:
  • the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode.
  • the terminal device can switch from the normal RLM mode to the relaxed RLM mode; further, this example can also include:
  • the processing unit 91 adopts the relaxed RLM mode, if the sixth RLM transition condition is satisfied, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • the sixth RLM conversion condition includes: the count value of the out-of-synchronization indication continuously received by the RRC layer of the terminal device exceeds the sixth number threshold, and the time interval between adjacent out-of-synchronization indications is not greater than the fourth duration.
  • the process of counting the count value of the out-of-synchronization indication may include initialization or resetting of the count value of the out-of-synchronization indication, and processing of adding one to the count value of the out-of-synchronization indication.
  • the specific instructions are as follows:
  • the processing unit 91 if the eleventh condition is met, the terminal device adds one to the count value of the out-of-synchronization indication;
  • the eleventh condition includes at least one of the following:
  • the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer.
  • the fourth timer is not running, and the count value of the synchronization indication is 0, the RRC layer of the terminal device receives the out-of-synchronization indication of the physical layer.
  • the method of resetting the count value of the out-of-synchronization indicator can include:
  • the processing unit 91 if the twelfth condition is met, the terminal device resets according to the count value of the out-of-synchronization indication;
  • the twelfth condition includes at least one of the following:
  • the terminal device switches from the normal RLM mode to the relaxed RLM mode
  • the terminal device receives a synchronization instruction
  • the terminal device receives RRC reconfiguration information including synchronous reconfiguration of the cell group
  • the terminal device initiates an RRC connection reconfiguration process
  • the fourth timer expires.
  • this example adds processing for the initialization, resetting or stopping of the fourth timer, specifically:
  • the processing unit 91 starts or restarts the fourth timer when the following conditions are met: when the terminal device is in the relaxed RLM mode, the RRC layer of the terminal device receives an out-of-synchronization indication from the physical layer.
  • the processing unit 91 stops the fourth timer when at least one of the following conditions is met:
  • the RRC layer of the terminal device receives a synchronization indication from the physical layer
  • the terminal equipment is
  • the processing unit 91 determines the conversion between different RLM modes according to the RLM conversion conditions, including:
  • the terminal device adopts the normal RLM mode, if the third RLM conversion condition and the fourth RLM conversion condition are met, it is determined to switch from the normal RLM mode to the relaxed RLM mode;
  • the terminal device adopts the relaxed RLM mode, if the fifth RLM conversion condition and the sixth RLM conversion condition are met, it is determined to switch from the relaxed RLM mode to the normal RLM mode.
  • FIG. 11 is a schematic structural diagram of a communication device 1400 according to an embodiment of the present invention.
  • the communication device in this embodiment may be specifically the terminal device or the network device in the foregoing embodiment.
  • the communication device 1400 shown in FIG. 11 includes a processor 1410, and the processor 1410 can call and run a computer program from a memory to implement the method in the embodiment of the present invention.
  • the communication device 1400 may further include a memory 1420.
  • the processor 1410 can call and run a computer program from the memory 1420 to implement the method in the embodiment of the present invention.
  • the memory 1420 may be a separate device independent of the processor 1410, or may be integrated in the processor 1410.
  • the communication device 1400 may further include a transceiver 1430, and the processor 1410 may control the transceiver 1430 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 1430 may include a transmitter and a receiver.
  • the transceiver 1430 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1400 may specifically be a corresponding process implemented by a terminal device or a network device in the embodiment of the present invention, and for the sake of brevity, details are not described herein again.
  • Fig. 12 is a schematic structural diagram of a chip according to an embodiment of the present invention.
  • the chip 1500 shown in FIG. 12 includes a processor 1510, and the processor 1510 can call and run a computer program from the memory to implement the method in the embodiment of the present invention.
  • the chip 1500 may further include a memory 1520.
  • the processor 1510 can call and run a computer program from the memory 1520 to implement the method in the embodiment of the present invention.
  • the memory 1520 may be a separate device independent of the processor 1510, or may be integrated in the processor 1510.
  • the chip 1500 may further include an input interface 1530.
  • the processor 1510 can control the input interface 1530 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1500 may further include an output interface 1540.
  • the processor 1510 can control the output interface 1540 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the corresponding process implemented by the terminal device or the network device in the embodiment of the present invention, and for the sake of brevity, it will not be repeated here.
  • the chip mentioned in the embodiment of the present invention may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the processor in the embodiment of the present invention may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the memory in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. It should be noted that the memories of the systems and methods described herein are intended to include, but are not limited to, these and any other suitable types of memories.
  • the memory in the embodiment of the present invention may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • FIG. 13 is a schematic block diagram of a communication system 1600 according to an embodiment of the present application. As shown in FIG. 13, the communication system 1600 includes a network device 1620 and a terminal device 1610.
  • the network device 1620 may be used to implement the corresponding functions implemented by the communication device in the foregoing method, and the terminal 1620 may be used to implement the corresponding functions implemented by the terminal in the foregoing method.
  • the network device 1620 may be used to implement the corresponding functions implemented by the communication device in the foregoing method
  • the terminal 1620 may be used to implement the corresponding functions implemented by the terminal in the foregoing method.
  • the embodiment of the present invention also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device or satellite or terminal device in the embodiment of the present invention, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present invention also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device or satellite or terminal device in the embodiment of the present invention, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention, for It's concise, so I won't repeat it here.
  • the embodiment of the present invention also provides a computer program.
  • the computer program can be applied to the network device or satellite or terminal device in the embodiment of the present invention.
  • the computer program runs on the computer, the computer can execute the network device implementation of each method in the embodiment of the present invention. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the units described as separate components may or may not be physically separated, 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 invention 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 function 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 storage medium.
  • the technical solution of the present invention essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present invention.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

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Abstract

本发明公开了一种无线链路监测(RLM)模式转换方法、终端设备、芯片、计算机可读存储介质、计算机程序产品以及计算机程序，所述方法包括：终端设备根据RLM转换条件，确定不同的RLM模式之间的转换；其中，所述RLM转换条件至少与所述终端设备连续收到的同步指示或失步指示的计数值相关；所述RLM模式包括：正常RLM模式以及放松RLM模式，所述正常RLM模式的测量间隔小于放松RLM模式的测量间隔。

Description

一种无线链路监测模式转换方法及终端设备 技术领域
本发明涉及通信领域，尤其涉及一种无线链路监测(RLM，Radio Link Management)模式转换方法、终端设备、芯片、计算机可读存储介质、计算机程序产品以及计算机程序。
背景技术
在相关技术中，RLM用于终端设备监听服务小区下行链路的信道质量，终端设备在规定时间内根据监听或测量得到的服务小区的下行链路的信道质量与相应的门限进行比较，来确定终端设备已经恢复下行同步还是处于下行失步状态。针对有节能需求的终端设备，用于RLM的测量会进行放松，也就是引入放松RLM模式，但是，如何启动放松RLM模式的测量是需要解决的问题。
发明内容
为解决上述技术问题，本发明实施例提供了一种无线链路监测(RLM，Radio Link Management)模式转换方法、终端设备、芯片、计算机可读存储介质、计算机程序产品以及计算机程序。
第一方面，提供了种无线链路监测RLM模式转换方法，包括：
终端设备根据RLM转换条件，确定不同的RLM模式之间的转换；
其中，所述RLM转换条件至少与所述终端设备连续收到的同步指示或失步指示的计数值相关；
所述RLM模式包括：正常RLM模式以及放松RLM模式，所述正常RLM模式的测量间隔小于放松RLM模式的测量间隔。
第二方面，提供了一种终端设备，包括：
处理单元，根据RLM转换条件，确定不同的RLM模式之间的转换；
其中，所述RLM转换条件至少与所述终端设备连续收到的同步指示或失步指示的计数值相关；
所述RLM模式包括：正常RLM模式以及放松RLM模式，所述正常RLM模式的测量间隔小于放松RLM模式的测量间隔。
第三方面，提供了一种终端设备，包括：处理器和用于存储能够在处理器上运行的计算机程序的存储器，
其中，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如上述方法的步骤。
第四方面，提供了一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如上所述的方法。
第五方面，提供了一种计算机可读存储介质，所述计算机可读存储介质用于存储计算机程序，所述计算机程序使得计算机执行如上所述方法的步骤。
第六方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如上所述的方法。
第七方面，提供了一种计算机程序，所述计算机程序使得计算机执行如上所述的方法。
通过采用本实施例提供的方案，就能够根据RLM转换条件来确定在正常RLM模式以及放松RLM模式之间进行转换，具体的RLM转换条件与同步指示或失步指示的计数值相关。如此，就在引入放松RLM模式之后，对如何进入放松RLM模式进行限定。
附图说明
图1是本申请实施例提供的一种通信系统架构的示意性图一；
图2是本申请实施例提供的一种RLM模式转换方法流程示意图一；
图3是本申请实施例提供的一种RLM模式转换流程示意图二；
图4是本申请实施例提供的一种处理场景示意图一；
图5是本申请实施例提供的一种RLM模式转换流程示意图三；
图6是本申请实施例提供的一种处理场景示意图二；
图7是本申请实施例提供的一种RLM模式转换流程示意图四；
图8是本申请实施例提供的一种处理场景示意图三；
图9是本申请实施例提供的一种终端设备组成结构示意图一；
图10是本申请实施例提供的一种终端设备组成结构示意图二；
图11为本发明实施例提供的一种通信设备组成结构示意图；
图12是本申请实施例提供的一种芯片的示意性框图；
图13是本申请实施例提供的一种通信系统架构的示意性图二。
具体实施方式
为了能够更加详尽地了解本发明实施例的特点与技术内容，下面结合附图对本发明实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本发明实施例。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统或5G系统等。
示例性的，本申请实施例应用的通信系统100可以如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与UE120(或称为通信终端设备、终端设备)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的UE进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的网络设备(Base Transceiver Station，BTS)，也可以是WCDMA系统中的网络设备(NodeB，NB)，还可以是LTE系统中的演进型网络设备(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个UE120。作为在此使用的“UE”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一UE的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的UE可以被称为“无线通信终端设备”、“无线终端设备”或“移动终端设备”。
可选地，UE120之间可以进行终端设备直连(Device to Device，D2D)通信。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
随着人们对速率、延迟、高速移动性、能效的追求以及未来生活中业务的多样性、复杂性，为此3GPP国际标准组织开始研发5G。5G的主要应用场景为：增强移动超宽带(eMBB)、低时延高可靠通信(URLLC)、大规模机器类通信(mMTC)。
NR也可以独立部署，5G网络环境中为了降低空口信令和快速恢复无线连接，快速恢复数据业务的目的，定义一个新的RRC状态，即RRC_INACTIVE状态。这种状态有别于RRC_IDLE和RRC_ACTIVE状态。其中，
RRC_IDLE：移动性为基于UE的小区选择重选，寻呼由CN发起，寻呼区域由CN配置。基站侧不存在UE AS上下文。不存在RRC连接。
RRC_CONNECTED：存在RRC连接，基站和UE存在UE AS上下文。网络侧知道UE的位置是具体小区级别的。移动性是网络侧控制的移动性。UE和基站之间可以传输单播数据。
RRC_INACTIVE：移动性为基于UE的小区选择重选，存在CN-NR之间的连接，UE AS上下文存在某个基站上，寻呼由RAN触发，基于RAN的寻呼区域由RAN管理，网络侧知道UE的位置是基于RAN的寻呼区域级别的。
无线链路监测(RLM：radio link monitoring)是监听服务小区下行链路的信道质量，物理层在规定时间内评估无线链路质量，并与Qin，Qout门限(SINR)比较，如果低于Qout，则物理层向高层上报out-of-sync指示，如果高于Qin则物理层向高层上报in-sync指示。Qout和Qin门限是通过检测PDCCH format 1-0的BLER来确定Qin和Qout。其中Qin和Qout对应的BLER值是通过RRC信令per cell配置的。缺省默认值对于Qout，PDCCH的BLER为10％，Qin对应的BLER为2％。
UE在网络侧的下行失步判定涉及到如下几个定时器和常量，N310，T310，N311。这些定时器和常量参数，可以通过专用信令配置给UE(RLF-TimersAndConstants IE)，如果没有配置则使用系统广播(SIB1)里面的参数(ue-TimersAndConstants IE)。
当UE处于RRC_CONNECTED状态，收到连续N310个“out_of_Sync”且T310，T301，T304，T311没有运行，则启动定时器T310。如果在定时器超时前收到连续N311个“in_Sync”则停止定时器T310，说明UE已经恢复下行同步。否则UE处于下行失步状态，即RLF。
上述RLM配置(RadioLinkMonitoringConfig)，可以为网络设备通过RRC重配置消息为终端设备配置的，其中可以包括：配置终端设备进行无线链路检测(RLM)的SSB/CSI-RS参考信号。进行RLM测量的时候，可以每间隔一个指示的测量间隔就评估一下新到质量。测量间隔(可以称为Indication period)的确定分为：
没配置DRX时：10ms和最小RLM参考信号周期两者中的最大值；
配置DRX时，10ms、最小RLM参考信号周期和DRX周期三者中的最大值。
在每个indication period，物理层向RRC层可能上报Qin对应的同步指示，可能上报Qout对应的失败指示，也可能什么都不报。
在NR Rel-17终端节能项目中，计划对RLM引入测量放松(本申请将其称为放松RLM模式)，其中讨论的内容包括：Study the feasibility and performance impact of relaxing UE measurements for RLM and/or BFD,particularly for low mobility UE with short DRX periodicity/cycle,and specify,if agreed,relaxation in the corresponding requirements[RAN4](研究放松针对RLM和/或BFD的UE测量的可行性和性能影响，特别是对于具有短DRX周期性/周期的低移动性的终端设备，并在同意的情况下指定放松测量要求)。那么如何启动放松RLM模式的测量是本申请所要解决的问题。
为了能够更加详尽地了解本发明实施例的特点与技术内容，下面结合附图对本发明实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本发明实施例。
本发明实施例提供一种RLM模式转换方法，如图2所示，包括：
步骤21：终端设备根据RLM转换条件，确定不同的RLM模式之间的转换；
其中，所述RLM转换条件至少与所述终端设备连续收到的同步指示或失步指示的计数值相关；
所述RLM模式包括：正常RLM模式以及放松RLM模式，所述正常RLM模式的测量间隔小于放松RLM模式的测量间隔。
结合多个示例对本实施例提供的方案进行说明：
示例1、
本示例中，所述第一RLM转换条件包括：所述终端设备连续收到的同步指示的计数值超过第一数量门限值；
所述第二RLM转换条件包括：所述终端设备连续收到的失步指示的计数值超过第二数量门限值。
所述第一数量门限值和第二数量门限值，为预设的、或者为网络设备配置的。其中，预设的可以为终端设备根据协议进行预设的；网络设备配置，可以理解为网络设备通过配置信息为终端设备预配置的，具体的，网络设备可以通过无线资源控制(RRC，Radio Resource Control)重配置消息为终端设备配置的。
其中，终端设备接收到同步指示或失步指示，具体可以为终端设备的RRC层接收到同步指示；或者终端设备的RRC层接收到失步指示。
相应的，所述终端设备根据RLM转换条件，确定不同的RLM模式之间的转换，包括：
所述终端设备采用正常RLM模式进行链路检测的情况下，若满足第一RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，
所述终端设备采用放松RLM模式进行链路检测的情况下，若满足第二RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
下面结合图3，以网络设备通过RRC信息为终端设备进行配置的场景，对本示例进行说明：
步骤31、终端设备接收网络设备的RRC重配置消息；
具体的，终端设备可以为处于连接态；网络设备可以为接入网设备，比如，可以为基站(eNB、gNB等等)。
所述RRC重配置消息可以包括：无线链路监测配置(RadioLinkMonitoringConfig)和无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置等。
具体来说，所述RRC重配置消息可以包括以下至少之一：
1、failureDetectionResources(失败检测资源)配置，其中可以包括用于无线链路监测的SSB/CSI-RS资源配置；
2、RLF(无线链路失败，Radio Link Failure)定时器的相关参数，比如，N310,N311,T310等参数；
3、所述RRC重配置消息还可以包括：第一数量门限值以及第二数量门限值。
比如，第一数量门限值可以表示为M1，第二数门限值可以表示为N1；所述M1和N1为终端设备执行RLM模式切换的数量门限。其中，M1为RRC层从物理层接收到连续的同步指(in-sync)示的最大次数；N1为RRC层从物理层接收到连续的失步(out-of-sync)指示的最大次数。
本实施例中关于计数值的计数处理可以通过计数器或称为counter来实现，由于本实施例中涉及到同步指示的计数值以及失步指示的计数值，相应的，可以通过设置两个counter(计数器)来实现，可以分别将同步指示的计数器表示为M1-counter，失步指示的计数器表示为N1-counter。
需要指出的是，第一数量门限值以及第二数量门限值，可以作为无线链路监测配置(RadioLinkMonitoringConfig)中的参数，也可以为无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置中的参数；当然，还可以为除上述两种配置之外单独配置的参数，本示例中不对其进行限定。
步骤32、基于网络配置，终端设备缺省处于正常RLM模式。
步骤33、所述终端设备采用正常RLM模式进行链路检测的情况下，若满足第一RLM转换条件，则确定由正常RLM模式切换至放松RLM模式。
在一示例中，所述第一RLM转换条件包括：所述终端设备的RRC层连续收到的同步指示的计数值超过第一数量门限值。
也就是说，终端设备在正常RLM模式进行链路检测时，如果RRC层收到连续的同步指示，对连续接收到的同步指示的计数值进行计数得到对应的计数值，如果该计数值达到第一数量门限值，则终端设备确定进入放松RLM模式；否则，保持在正常RLM模式。
进一步地，所述终端设备进入正常RLM模式时，所述终端设备的RRC层指示物理层采用正常RLM模式对应的测量要求进行链路检测。
该正常RLM模式对应的测量要求可以为根据协议预设的，又或者，可以为网络设备为终端设备预配置的，如果是预配置的可以通过RRC信令、或DCI等信息为终端设备进行配置。
本步骤涉及到如何对同步指示进行计数的处理，其中可以包括有对同步指示的计数值进行初始化或重置，以及对同步指示的计数值加一的处理。具体说明如下：
若满足第一条件，则终端设备将同步指示的计数值加一；所述第一条件包括：终端设备处于正常RLM模式的情况下，所述终端设备的RRC层收到物理层的同步指示。
也就是，终端设备如果处于正常RLM模式，那么终端设备的RRC层收到1个来自物理层的“in-sync”(同步)指示，将M1_counter(同步指示的计数值)自加1。
若满足第二条件，则终端设备对同步指示的计数值进行初始化或重置；
所述第二条件包括以下至少之一：
所述终端设备进入正常RLM模式；
所述终端设备收到失步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程。
其中，终端设备进入正常RLM模式，可以存在两种可能，一种是终端设备由放松RLM模式进入正常RLM模式，另一种是终端设备默认直接进入正常RLM模式。
所述终端设备收到失步指示，可以为RRC层收到物理层的失步(out-of-sync)指示。
执行完成步骤33之后，终端设备可以由正常RLM模式切换至放松RLM模式；进一步地，本示例还可以包括：
步骤34：所述终端设备采用放松RLM模式进行链路检测的情况下，若满足第二RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第二RLM转换条件包括：所述终端设备的RRC层连续收到的失步指示的计数值超过第二数量门限值。
也就是说，终端设备在放松RLM模式进行链路检测时，如果RRC层收到连续的失步指示，对连续接收到的失步指示的计数值进行计数得到对应的计数值，如果该计数值达到第二数量门限值，则终端设备确定进入放松RLM模式；否则，保持在放松RLM模式。
进一步地，所述终端设备进入放松RLM模式时，所述终端设备的RRC层指示物理层采用放松RLM模式对应的测量要求进行链路检测。
该放松RLM模式对应的测量要求可以为根据协议预设的，又或者，可以为网络设备为终端设备预配置的，如果是预配置的可以通过RRC信令、或DCI等信息为终端设备进行配置。
关于放松RLM模式以及正常RLM模式，两者对应的测量要求的区别在于，正常RLM模式可以采用第一测量间隔，放松RLM模式可以采用第二测量间隔，并且第一测量间隔小于第二测量间隔。
本步骤涉及到如何对失步指示的计数值进行计数的处理，其中可以包括有对失步指示的计数值进行初始化或重置，以及对失步指示的计数值加一的处理。具体说明如下：
若满足第三条件，则所述终端设备将失步指示的计数值加一；所述第三条件包括：所述终端设备处于放松RLM模式的情况下，所述终端设备的RRC层收到物理层的失步指示。
也就是，终端设备如果处于放松RLM模式，那么终端设备的RRC层收到1个来自物理层的“out-of-sync”(失步)指示，将N1_counter(失步指示的计数值)自加1。
若满足第四条件，则所述终端设备对失步指示的计数值进行初始化或重置；
所述第四条件包括以下至少之一：
所述终端设备由正常RLM模式切换至放松RLM模式；
所述终端设备收到同步指示(也就是“in-sync”指示)；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程。
至此完成本示例的全部流程，结合图4对本示例进行说明，从图4中可以看出正常RLM模式的测量间隔比放松RLM模式的测量间隔小；图中的实线箭头表示同步指示，虚线箭头表示失步指示；第一数量门限值可以为M1假设等于8，第二数量门限值可以为N1假设等于4。具体的：
图4中，左侧进入正常RLM模式后，RRC层收到第一个同步指示的时候，满足第一条件可以将同步指示的计数值加1，第二个为连续接收的同步指示，满足第一条件将同步指示的计数值加1；第三个接收到失步指示，那么根据第二条件的要求可以看出终端设备可以将同步指示的计数值置0；再往后，连续接收到8个同步指示，同步指示的计数值计数值达到8，也就是网络设备配置的第一数量门限值(称为M1)，因此确定进入放松RLM模式；
图中终端设备进入放松RLM模式后，满足第四条件，可以先将失步指示的计数值初始化为0；在接收到第一个指示为失步指示，根据第三条件可以确定可以对失步指示的计数值加1；然后连续接收到两个同步指示，根据第四条件，可以确定将失步指示的计数值进行重置；然后，连续接收到4个失步指示，根据第三条件可以确定连续的将失步指示的计数值加1，执行4次计数值加1的处理后，失步指示的计数值达到第二数量门限值(N1)，则确定从放松RLM模式转换至正常RLM模式。
采用本示例，连续第一数量门限值(M1)个同步指示代表信道足够好，可以预测近期链路变差的可能性不大，因此可以节能进入放松RLM模式；连续第二数量门限值(N1)个失步指示则代表信道开始变差，终端设备切换回正常RLM模式可以避免对无线链路失败检测带来更多的延时。
示例2、
与示例1不同在于，本示例在示例1的基础上，增加时间的限定，具体的：
所述第三RLM转换条件包括：在第一时长内，所述终端设备连续收到的同步指示的计数值超过第三数量门限值；也就是在一段时间内RRC层只收到“in-sync”同步指示，且“in-sync”同步指示数量大于第三数量门限值(M2)。
所述第五RLM转换条件包括：在第二时长内，所述终端设备连续收到的失步指示的计数值超过第四数量门限值。也就是，在一段时间内RRC层只收到“out-of-sync”失步指示，且“out-of-sync” 失步指示数量大于一个第四数量门限值(N2)。
本实施例中关于计数值的计数处理可以通过计数器或称为counter来实现，由于本实施例中涉及到同步指示的计数值以及失步指示的计数值，相应的，可以通过设置两个counter(计数器)来实现，可以分别将同步指示的计数器表示为M2-counter，失步指示的计数器表示为N2-counter。
相应的，所述终端设备根据RLM转换条件，确定不同的RLM模式之间的转换，包括：
所述终端设备采用正常RLM模式的情况下，若满足第三RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，所述终端设备采用放松RLM模式的情况下，若满足第五RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第一时长、所述第二时长、所述第三数量门限值、所述第四数量门限值，为预设的、或者为网络设备配置的。
所述第一时长为第一定时器的定时时长，第二时长为第二定时器的定时时长。也就是说，通过维护第一定时器以及第二定时器，来对终端设备连续收到的同步指示的计数值以及时长、以及对终端设备连续收到的失步指示的计数值以及时长进行判断，进而确定是否进行RLM模式的转换。
下面结合图5，以网络设备通过RRC信息为终端设备进行所述第一时长、所述第二时长、所述第三数量门限值、所述第四数量门限值的配置的场景，对本示例进行说明：
步骤51、终端设备接收网络设备的RRC重配置消息；
具体的，终端设备可以为处于连接态；网络设备可以为接入网设备，比如，可以为基站(eNB、gNB等等)。
所述RRC重配置消息可以包括：无线链路监测配置(RadioLinkMonitoringConfig)和无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置等。
具体来说，所述RRC重配置消息可以包括以下至少之一：
1、failureDetectionResources(失败检测资源)配置，其中可以包括用于无线链路监测的SSB/CSI-RS资源配置；
2、RLF(无线链路失败，Radio Link Failure)定时器的相关参数，比如，N310,N311,T310等参数；
3、所述RRC重配置消息还可以包括：第三数量门限值(M2)以及第四数量门限值(N2)，还包括第一定时器的定时时长(T1)，以及第二定时器的定时时长(T2)参数等。
其中，所述M2和N2为用于执行RLM模式切换的计数值(counter)门限(或称为数量门限值)，所述T1和T2为用于执行RLM模式切换的定时器时长；其中，M2为T1运行时间内RRC层从物理层接收到连续的“in-sync”同步指示的最大次数，N2为T2运行时间内RRC层从物理层接收到连续的“out-of-sync”失步指示的最大次数。
步骤52、基于网络配置，终端设备缺省处于正常RLM模式。
步骤53、所述终端设备采用正常RLM模式的情况下，若满足第三RLM转换条件，则确定由正常RLM模式切换至放松RLM模式。
所述第三RLM转换条件包括：在第一时长内，所述终端设备的RRC层连续收到的同步指示的计数值超过第三数量门限值。
也就是说，终端设备在正常RLM模式进行链路检测时，如果在时间T1内RRC层只收到“in-sync”同步指示，且“in-sync”同步指示的计数值大于M2，则进入放松RLM模式，并指示给物理层启用放松RLM的requirement；否则，保持正常RLM模式。
进一步地，所述终端设备进入正常RLM模式时，所述终端设备的RRC层指示物理层采用正常RLM模式对应的测量要求进行链路检测。
该正常RLM模式对应的测量要求可以为根据协议预设的，又或者，可以为网络设备为终端设备预配置的，如果是预配置的可以通过RRC信令、或DCI等信息为终端设备进行配置。
本步骤涉及到如何对同步指示的计数值进行计数的处理，其中可以包括有对同步指示的计数值进行初始化或重置，以及对同步指示的计数值加一的处理。具体说明如下：
若满足第五条件，则终端设备将同步指示的计数值加一；
所述第五条件包括以下至少之一：
所述终端设备处于正常RLM模式、所述第一定时器处于运行状态的情况下，所述终端设备的RRC层收到物理层的同步指示；
所述终端设备处于正常RLM模式、所述第一定时器未运行、以及同步指示的计数值为0的情况 下，所述终端设备的RRC层收到物理层的同步指示。
也就是，终端设备如果处于正常RLM模式，第一定时器(T1)正在运行，那么终端设备的RRC层收到1个来自物理层的“in-sync”(同步)指示，则将M2_counter(同步指示的计数值)自加1；
或者，终端设备如果处于正常RLM模式，M2_counter(同步指示的计数值)为0、且第一定时器(T1)没有运行，此时终端设备的RRC层收到1个来自物理层的“in-sync”同步指示，将M2_counter(同步指示的计数值)自加1(此时，可以还包括启动T1的处理)。
对同步指示的计数值进行初始化或重置的处理可以包括：
若满足第六条件，则终端设备对同步指示的计数值进行初始化或重置；
所述第六条件包括以下至少之一：
所述终端设备进入正常RLM模式；
所述终端设备收到失步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第一定时器超时。
其中，终端设备进入正常RLM模式，可以存在两种可能，一种是终端设备由放松RLM模式进入正常RLM模式，另一种是终端设备默认直接进入正常RLM模式。
所述终端设备收到失步指示，可以为RRC层收到物理层的失步(out-of-sync)指示。
本步骤与示例1的步骤33不同还在于，本示例增加第一定时器以及第二定时器的定时时长，在正常RLM模式下如果接收到同步指示，那么可以运行第一定时器，关于停止第一定时器的处理方式可以包括：
所述终端设备在满足以下条件时停止第一定时器：
终端设备处于正常RLM模式、并且第一定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的失步指示；也就是终端设备处于正常RLM模式，T1(第一定时器)正在运行，RRC层收到1个来自物理层的“Out-of-sync”失步指示，此时可以停止第一定时器的计时，也就是在正常RLM模式下如果一旦收到失步指示那么针对同步指示的计数值需要重置，此时相应的需要停止第一定时器的计时。
或者，所述终端设备由正常RLM模式切换至放松RLM模式。也就是说，如果终端设备切换至放松RLM模式，就不再需要维护第一定时器的计时，此时可以停止第一定时器。
关于启动或重启第一定时器的处理方式可以包括：所述终端设备在满足以下条件时启动或重启第一定时器：终端设备处于正常RLM模式、并且同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。也就是说，终端设备处于正常RLM模式，同步指示的计数值(M2_counter)为0，此时如果RRC层收到1个来自物理层的“in-sync”同步指示，启动或重启第一定时器开始计时。
可以存在两种情况，一种情况中，同步指示的计数值为0，那么可以认为刚刚进入正常RLM模式，此时如果收到同步指示，可以启动第一定时器；或者，另一种情况中，终端设备已经处于正常RLM模式，但是之前接收到了失步指示导致第一定时器停止，此时如果再接收到同步指示，那么可以重启第一定时器。
一种示例中，前述第一定时器以及同步指示的计数值的处理，可以包括：如果终端设备进入正常RLM模式，将同步指示的计数值也初始化；
在接收到同步指示的时候，满足第五条件，将同步指示的计数值加1，并且将第一定时器初始化；
然后，可以包括以下几种处理：
一种处理中、如果连续接收到同步指示，那么就连续的将同步指示的计数值加1，并且保持第一定时器的运行(也就是保持第一定时器的运行状态)，如果连续收到同步指示的计数值达到第三数量门限值、并且第一定时器未超时，也就是满足第三RLM转换条件，此时可以确定转换为放松RLM模式，同时停止第一定时器。
再一种处理中、如果连续接收到同步指示，那么就连续的将同步指示的计数值加1，并且保持第一定时器的运行(也就是保持第一定时器的运行状态)，如果连续收到同步指示的计数值未达到第三数量门限值、并且第一定时器未超时，此时接收到失步指示，此时满足停止第一定时器的条件，则将第一定时器停止，并且满足第六条件，此时将同步指示的计数值进行重置为0，终端设备保持在正常RLM模式下。
需要指出的是，这种处理中，仅示意性的描述了第六条件中的一种，第六条件的其他情况虽然没有结合示例进行说明，但是也在本示例的保护范围内，只是不再穷举。
执行完成步骤53之后，终端设备可以由正常RLM模式切换至放松RLM模式；进一步地，本示例还可以包括：
步骤54：所述终端设备采用放松RLM模式的情况下，若满足第五RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第五RLM转换条件包括：在第二时长内，所述终端设备连续收到的失步指示的计数值超过第四数量门限值。
也就是说，终端设备在放松RLM模式进行链路检测时，如果在时间T2(第二时长)内RRC层只收到“Out-of-sync”失步指示，且“Out-of-sync”失步指示的计数值大于N2(第四数量门限值)，则UE进入正常RLM模式，并指示给物理层启用正常RLM的requirement；否则，保持放松RLM模式。
进一步地，所述终端设备进入放松RLM模式时，所述终端设备的RRC层指示物理层采用放松RLM模式对应的测量要求进行链路检测。
该放松RLM模式对应的测量要求可以为根据协议预设的，又或者，可以为网络设备为终端设备预配置的，如果是预配置的可以通过RRC信令、或DCI等信息为终端设备进行配置。
关于放松RLM模式以及正常RLM模式，两者对应的测量要求的区别在于，正常RLM模式可以采用第一测量间隔，放松RLM模式可以采用第二测量间隔，并且第一测量间隔小于第二测量间隔。
本步骤涉及到如何对失步指示的计数值进行计数的处理，其中可以包括有对失步指示的计数值进行初始化或重置，以及对失步指示的计数值加一的处理。具体说明如下：
若满足第七条件，则终端设备将失步指示的计数值加一：
所述第七条件包括以下至少之一：
所述终端设备处于放松RLM模式、并且所述第二定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的失步指示。也就是终端设备处于放松RLM模式，第二定时器正在运行，RRC层收到1个来自物理层的“out-of-sync”失步指示，将失步指示的计数值(N2_counter)自加1。
或者，所述终端设备处于放松RLM模式、所述第二定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。也就是，终端设备处于放松RLM模式，失步指示的计数值(N2_counter)为0且第二定时器没有运行，RRC层收到1个来自物理层的“out-of-sync”失步指示，将失步指示的计数值(N2_counter)自加1。
本示例中，对失步指示的计数值进行重置的方式，可以包括：
若满足第八条件，则所述终端设备对失步指示的计数值进行重置；
所述第八条件包括以下至少之一：
所述终端设备由正常RLM模式切换至放松RLM模式；
所述终端设备收到同步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第二定时器超时。
同样的，本步骤与示例1中的步骤34不同还在于，本示例增加针对第二定时器的初始化、重置或停止的处理，具体的：
所述终端设备在满足以下条件时启动或重启第二定时器：终端设备处于放松RLM模式、并且失步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。比如，终端设备处于放松RLM模式，N2_counter(失步指示的计数值)为0，RRC层收到1个来自物理层的“Out-of-sync”失步指示。
所述终端设备在满足以下条件时停止第二定时器：
所述终端设备处于放松RLM模式、并且第二定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的同步指示；
或者，所述终端设备由放松RLM模式切换至正常RLM模式。
一种示例中，前述第二定时器以及失步指示的计数值的处理，可以包括：如果终端设备进入放松RLM模式，将失步指示的计数值也重置为0；
在接收到失步指示的时候，将失步指示的计数值加1，并且满足第二定时器的启动条件，此时将第二定时器初始化；
然后，可以包括以下几种处理：
一种处理中、如果连续接收到失步指示，那么就连续的将失步指示的计数值加1，并且保持第二定时器的运行(也就是保持第二定时器的运行状态)，如果连续收到失步指示的计数值达到第四数量门限值、并且第二定时器未超时，也就是满足第五RLM转换条件，此时可以确定转换为正常RLM模式，同时停止第二定时器。
再一种处理中、如果连续接收到失步指示，那么就连续的将失步指示的计数值加1，并且保持第二定时器的运行(也就是保持第二定时器的运行状态)，如果连续收到失步指示的计数值未达到第四数量门限值、并且第二定时器未超时，此时接收到同步指示，此时满足停止第二定时器的条件，则将第二定时器停止，此时将同步指示的计数值进行重置为0，终端设备保持在正常RLM模式下。
进而，如果再次接收到失步指示，则按照在接收到失步指示的时候，将失步指示的计数值加1，并且满足第二定时器的启动条件，此时将第二定时器初始化然后循环处理，不再赘述。
至此完成本示例的全部流程，结合图6对本示例进行说明，从图6中可以看出正常RLM模式的测量间隔比放松RLM模式的测量间隔小；图中的实线箭头表示同步指示，虚线箭头表示失步指示；第三数量门限值可以为M2假设等于8，第四数量门限值可以为N2假设等于4。具体的：
进入正常RLM模式后，RRC层收到第一个同步指示的时候，将同步指示的计数值加1，同时启动第一定时器(T1)，第二、三个接收到失步指示，那么将第一定时器(T1)停止，并且重置同步指示的计数值为0；再往后，连续接收到8个同步指示，同步指示的计数值计数值达到8，也就是网络设备配置的第三数量门限值(称为M2)、并且第一定时器(T1)未超时，因此确定进入放松RLM模式，同时将T1停止；
图中终端设备进入放松RLM模式后，可以先将失步指示的计数值初始化为0；在接收到第一个指示为失步指示，可以对失步指示的计数值加1，并且启动第二定时器(T2)；然后连续接收到两个同步指示，将失步指示的计数值进行重置为0，并且停止第二定时器(T2)；然后，连续接收到4个失步指示，确定连续的将失步指示的计数值加1，执行4次计数值加1的处理后，失步指示的计数值达到第四数量门限值(N2)，并且第二定时器T2未超时，则确定从放松RLM模式转换至正常RLM模式，并且将第二定时器(T2)停止。
采用上述示例，在一段时间内只收到同步指示代表信道质量不差，同步指示的计数值大于一个门限代表信道足够好，可以预测近期链路变差的可能性不大，因此UE可以节能进入放松RLM模式；相反，一段时间内只收到失步指示代表信道开始变差，如果失步指示的计数值大于一个门限，代表信道变差不是偶然事件，终端设备切换回正常RLM模式可以避免对无线链路失败检测带来更多的延时。
示例3、
与示例1不同在于，本示例在示例1的基础上，增加时间的限定，但是与示例2的时间限定不同在于，本示例针对相邻的同步指示，或相邻的失步指示的时间间隔进行限定，具体的：
所述第四RLM转换条件包括：所述终端设备连续收到的同步指示的计数值超过第五数量门限值，并且相邻的同步指示的时间间隔不大于第三时长。其中，时间间隔的衡量单位可以是指示期(indication Period)，也就是说，RRC层收到连续M3(第五数量门限值)个“in-sync”指示，且相邻“in-sync”同步指示相差不超过L1个indication period。
所述第六RLM转换条件包括：所述终端设备连续收到的失步指示的计数值超过第六数量门限值，并且相邻的失步指示的时间间隔不大于第四时长。其中，时间间隔的衡量单位可以是指示期(indication Period)，也就是说，RRC层收到连续N3(第六数量门限值)个“out-of-sync”失步指示，且相邻“out-of-sync”失步指示相差不超过L2个indication period。
相应的，所述终端设备根据RLM转换条件，确定不同的RLM模式之间的转换，包括：
所述终端设备采用正常RLM模式的情况下，若满足第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，所述终端设备采用放松RLM模式的情况下，若满足第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第三时长、第四时长、所述第五数量门限值、第六数量门限值，为预设的、或者为网络设备配置的。
所述第三时长为第三定时器的定时时长，第四时长为第四定时器的定时时长。也就是说，通过维护第三定时器以及第四定时器，来对终端设备连续收到的同步指示的计数值以及时长、以及对终端设备连续收到的失步指示的计数值以及时长进行判断，进而确定是否进行RLM模式的转换。
下面结合图7，以网络设备通过RRC信息为终端设备进行所述第三时长、第四时长、所述第五数量门限值、第六数量门限值的配置的场景，对本示例进行说明：
步骤71、终端设备接收网络设备的RRC重配置消息；
具体的，终端设备可以为处于连接态；网络设备可以为接入网设备，比如，可以为基站(eNB、gNB等等)。
所述RRC重配置消息可以包括：无线链路监测配置(RadioLinkMonitoringConfig)和无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置等。
具体来说，所述RRC重配置消息可以包括以下至少之一：
1、failureDetectionResources(失败检测资源)配置，其中可以包括用于无线链路监测的SSB/CSI-RS资源配置；
2、RLF(无线链路失败，Radio Link Failure)定时器的相关参数，比如，N310,N311,T310等参数；
3、所述RRC重配置消息还可以包括：第五数量门限值(M3)以及第六数量门限值(N3)，还包括第三定时器的定时时长(L1)，以及第四定时器的定时时长(L2)参数等。
其中，M3和N3参数，参数L1和L2，所述M3和N3为用于UE执行RLM模式切换的counter门限，所述L1和L2为用于counter计数的定时器时长。M3为L1运行时间内RRC层从物理层接收到连续的“in-sync”同步指示的最大次数，N3为L2运行时间内RRC层从物理层接收到连续的“out-of-sync”失步指示的最大次数。L1和L2的单位为ms或者是indication period(指示期)。
本实施例中关于计数值的计数处理可以通过计数器或称为counter来实现，由于本实施例中涉及到同步指示的计数值以及失步指示的计数值，相应的，可以通过设置两个counter(计数器)来实现，可以分别将同步指示的计数器表示为M3-counter，失步指示的计数器表示为N3-counter。
步骤72、基于网络配置，终端设备缺省处于正常RLM模式。
步骤73、所述终端设备采用正常RLM模式的情况下，若满足第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模式。
所述第四RLM转换条件包括：所述终端设备的RRC层连续收到的同步指示的计数值超过第五数量门限值，并且相邻的同步指示的时间间隔不大于第三时长。
也就是终端设备在正常RLM模式进行链路检测时，如果RRC层收到连续M3个“in-sync”同步指示，且每两个相邻“in-sync”同步指示的时间间隔不超过L1，则UE进入放松RLM模式，并指示给物理层启用放松RLM的requirement。
进一步地，所述终端设备进入正常RLM模式时，所述终端设备的RRC层指示物理层采用正常RLM模式对应的测量要求进行链路检测。该正常RLM模式对应的测量要求可以为根据协议预设的，又或者，可以为网络设备为终端设备预配置的，如果是预配置的可以通过RRC信令、或DCI等信息为终端设备进行配置。
本步骤涉及到如何对同步指示的计数值进行计数的处理，其中可以包括有对同步指示的计数值进行初始化或重置，以及对同步指示的计数值加一的处理。具体说明如下：
若满足第九条件，则所述终端设备将同步指示的计数值加一；
所述第九条件包括以下至少之一：
所述终端设备处于正常RLM模式、并且所述第三定时器处于运行状态的情况下，所述终端设备的RRC层收到物理层的同步指示；
所述终端设备处于正常RLM模式、所述第三定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。
也就是，终端设备如果处于正常RLM模式，第三定时器L1正在运行，那么终端设备的RRC层收到1个来自物理层的“in-sync”(同步)指示，则将M3_counter(同步指示的计数值)自加1。
或者，终端设备如果处于正常RLM模式，M3_counter(同步指示的计数值)为0、且第三定时器(L1)没有运行，此时终端设备的RRC层收到1个来自物理层的“in-sync”同步指示，将M3_counter(同步指示的计数值)自加1(此时，可以还包括启动L1的处理)。
对同步指示的计数值进行初始化或重置的处理可以包括：
若满足第十条件，则所述终端设备对同步指示的计数值进行初始化或重置；
其中，所述第十条件包括以下至少之一：
所述终端设备进入正常RLM模式；
所述终端设备收到失步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第三定时器(L1)超时。
其中，终端设备进入正常RLM模式，可以存在两种可能，一种是终端设备由放松RLM模式进入正常RLM模式，另一种是终端设备默认直接进入正常RLM模式。
所述终端设备收到失步指示，可以为RRC层收到物理层的失步(out-of-sync)指示。
在正常RLM模式下，关于初始化、重置或停止第三定时器的处理方式可以包括：
所述终端设备满足以下条件时启动或重启第三定时器：终端设备处于正常RLM模式的情况下，所述终端设备的RRC层收到物理层的同步指示。
所述终端设备满足以下条件至少之一时停止第三定时器：
终端设备处于正常RLM模式、并且第三定时器在运行状态的情况下，所述终端设备的RRC层收到物理层的失步指示；
或者，所述终端设备由正常RLM模式切换至放松RLM模式。
一种示例中，前述第三定时器以及同步指示的计数值的处理，可以包括：如果终端设备进入正常RLM模式，将同步指示的计数值也初始化；
在接收到同步指示的时候，同步指示的计数值加1，并且将第三定时器初始化；
然后，可以包括以下几种处理：
一种处理中、如果在第三定时器未超时(也就是运行状态中)再次接收到同步指示，那么就连续的将同步指示的计数值加1，并且将第三定时器重置；如果连续收到同步指示的计数值达到第三数量门限值、并且每次第三定时器均未超时，也就是满足第四RLM转换条件，此时可以确定转换为放松RLM模式，同时停止第三定时器。
再一种处理中、如果在第三定时器未超时(运行状态中)的情况下，接收到同步指示，将同步指示的计数值加1；如果连续收到同步指示的计数值未达到第三数量门限值、或者任意一次第三定时器超时，则保持正常RLM模式，又或者，此时接收到失步指示，则将同步指示的计数值进行重置为0，终端设备保持在正常RLM模式。
执行完成步骤73之后，终端设备可以由正常RLM模式切换至放松RLM模式；进一步地，本示例还可以包括：
步骤74：所述终端设备采用放松RLM模式的情况下，若满足第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第六RLM转换条件包括：所述终端设备的RRC层连续收到的失步指示的计数值超过第六数量门限值，并且相邻的失步指示的时间间隔不大于第四时长。
也就是终端设备在放松RLM模式进行链路检测时，如果RRC层收到连续N3个“Out-of-sync”指示，且每两个相邻“Out-of-sync”失步指示的时间间隔不超过L1，则终端设备进入正常RLM模式，并指示给物理层启用正常RLM的requirement。
所述终端设备进入放松RLM模式时，所述终端设备的RRC层指示物理层采用放松RLM模式对应的测量要求进行链路检测。
该放松RLM模式对应的测量要求可以为根据协议预设的，又或者，可以为网络设备为终端设备预配置的，如果是预配置的可以通过RRC信令、或DCI等信息为终端设备进行配置。
关于放松RLM模式以及正常RLM模式，两者对应的测量要求的区别在于，正常RLM模式可以采用第一测量间隔，放松RLM模式可以采用第二测量间隔，并且第一测量间隔小于第二测量间隔。
本步骤涉及到如何对失步指示的计数值进行计数的处理，其中可以包括有对失步指示的计数值进行初始化或重置，以及对失步指示的计数值加一的处理。具体说明如下：
若满足第十一条件，则所述终端设备将失步指示的计数值加一；
所述第十一条件包括以下至少之一：
所述终端设备处于放松RLM模式、并且所述第四定时器在运行状态的情况下，所述终端设备的RRC层收到物理层的失步指示。也就是终端设备处于放松RLM模式，第四定时器L2正在运行的情况下，若终端设备的RRC层收到1个来自物理层的“out-of-sync”失步指示，将失步指示的计数值(N3_counter)自加1。
所述终端设备处于放松RLM模式、所述第四定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。也就是，终端设备处于正常RLM模式，失步指示的计数值(N3_counter)为0且第四定时器L2没有运行的情况下，如果终端设备的RRC层收 到1个来自物理层的“out-of-sync”失步指示，将失步指示的计数值(N3_counter)自加1。
本示例中，对失步指示的计数值进行重置的方式，可以包括：
若满足第十二条件，则所述终端设备根据对失步指示的计数值进行重置；
所述第十二条件包括以下至少之一：
所述终端设备由正常RLM模式切换至放松RLM模式；
所述终端设备收到同步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第四定时器超时。
同样的，本示例增加针对第四定时器的初始化、重置或停止的处理，具体的：
所述终端设备满足以下条件时启动或重启第四定时器：终端设备处于放松RLM模式的情况下，所述终端设备的RRC层收到物理层的失步指示。
所述终端设备满足以下条件至少之一时停止第四定时器：
终端设备处于放松RLM模式、并且第四定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的同步指示；
或者，所述终端设备由放松RLM模式切换至正常RLM模式。
一种示例中，前述第四定时器以及失步指示的计数值的处理，可以包括：如果终端设备进入放松RLM模式，将失步指示的计数值也重置为0；
在接收到失步指示的时候，将失步指示的计数值加1，并且将第四定时器初始化；
然后，如果在第四定时器运行期间接收到失步指示，那么就连续的将失步指示的计数值加1，并且重置第四定时器；如果连续收到失步指示的计数值达到第六数量门限值、并且第四定时器均未超时，也就是满足第六RLM转换条件，此时可以确定转换为正常RLM模式，同时停止第二定时器。否则，终端设备保持在正常RLM模式下。
至此完成本示例的全部流程，结合图8对本示例进行说明，从图8中可以看出正常RLM模式的测量间隔比放松RLM模式的测量间隔小；图中的实线箭头表示同步指示，虚线箭头表示失步指示；第五数量门限值可以为M3假设等于8，第六数量门限值可以为N3假设等于4，并配置第三定时器(L1)以及第四定时器(L2)。具体的：
进入正常RLM模式后，RRC层收到第一个同步指示的时候，将同步指示的计数值加1，同时启动第三定时器(L1)，接收到失步指示，停止第三定时器，重置同步指示的计数值为0；再往后，连续接收到8个同步指示，同步指示的计数值计数值达到8，也就是网络设备配置的第五数量门限值(称为M3)、并且相邻两个同步指示之间的时间间隔均未超过第三定时器(L1)的时长，因此确定进入放松RLM模式，同时将T1停止；
图中终端设备进入放松RLM模式后，可以先将失步指示的计数值初始化为0；在接收到第一个失步指示，可以对失步指示的计数值加1，并且启动第四定时器(L2)；然后连续接收到两个同步指示，将失步指示的计数值进行重置为0，并且停止第四定时器(L2)；然后，连续接收到4个失步指示，确定连续的将失步指示的计数值加1，执行4次计数值加1的处理后，失步指示的计数值达到第四数量门限值(N3)，并且相邻两个失步指示之间的时间间隔均未超过第四定时器(L2)的时长，则确定从放松RLM模式转换至正常RLM模式，并且将第四定时器(L2)停止。
本示例的RLM模式转换的条件更为严格，连续收到同步指示、并且相邻同步指示之间的时间间隔不超过第三时长的时候，才认为未来信道会持续维持好的状态，因而终端可以节电进行放松测量，而不会对无线链路失败影响太大。连续收到失步指示、并且相邻失步指示之间的时间间隔不超过第四时长的时候，才认为未来信道会持续维持差的状态，排除掉个别时间间隔内信道变好的随机因素，才返回正常测量状态，避免太迟检测无线链路失败。
最后需要指出的是，上述示例2、3可以分别使用，也可以结合使用，比如，一种示例中，所述终端设备根据RLM转换条件，确定不同的RLM模式之间的转换，包括：
所述终端设备采用正常RLM模式的情况下，若满足第三RLM转换条件和第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，
所述终端设备采用放松RLM模式的情况下，若满足第五RLM转换条件第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
也就是，转换至放松RLM模式，需要满足上述示例2以及示例3中描述的第三RLM转换条件 以及第四RLM转换条件，可以理解为所述终端设备需要：在第一时长内，所述终端设备连续收到的同步指示的计数值超过第三数量门限值；也就是在一段时间内RRC层只收到“in-sync”同步指示，且“in-sync”同步指示数量大于第三数量门限值(M2)；并且，连续收到的同步指示的计数值超过第五数量门限值，并且相邻的同步指示的时间间隔不大于第三时长。其中，时间间隔的衡量单位可以是指示期(indication Period)，也就是说，RRC层收到连续M3(第五数量门限值)个“in-sync”指示，且相邻“in-sync”同步指示相差不超过L1个indication period。
这种情况下，第三数量门限值以及第五数量门限值可以相同。
具体的第三RLM转换条件以及第四RLM转换条件的内容与前述示例相同，这里不再赘述。
转换至正常RLM模式，需要满足上述示例2以及示例3中的第五RLM转换条件以及第六RLM转换条件，可以理解为：
终端设备需要在第二时长内，所述终端设备连续收到的失步指示的计数值超过第四数量门限值。也就是，在一段时间内RRC层只收到“out-of-sync”失步指示，且“out-of-sync”失步指示数量大于一个第四数量门限值(N2)，并且，同时需要所述终端设备连续收到的失步指示的计数值超过第六数量门限值，并且相邻的失步指示的时间间隔不大于第四时长。其中，时间间隔的衡量单位可以是指示期(indication Period)，也就是说，RRC层收到连续N3(第六数量门限值)个“out-of-sync”失步指示，且相邻“out-of-sync”失步指示相差不超过L2个indication period。
这种情况下，第四数量门限以及第六数量门限可以相同。
进一步地，第五以及第六RLM转换条件的说明与前述示例相同，不再赘述。
将上述示例2、3结合的处理中，RLM模式转换的条件更为严格，在一定的时长内连续收到同步指示、并且相邻同步指示之间的时间间隔不超过一定的时长间隔的时候，才认为未来信道会持续维持好的状态，因而终端可以节电进行放松测量，而不会对无线链路失败影响太大。连续收到失步指示、并且相邻失步指示之间的时间间隔不超过第四时长的时候，才认为未来信道会持续维持差的状态，排除掉个别时间间隔内信道变好的随机因素，才返回正常测量状态，避免太迟检测无线链路失败。
可见，通过采用上述方案，就能够根据RLM转换条件来确定在正常RLM模式以及放松RLM模式之间进行转换，具体的RLM转换条件与同步指示或失步指示的计数值相关。如此，就在引入放松RLM模式之后，对如何进入放松RLM模式进行限定。
本发明实施例提供一种终端设备，如图9所示，包括：
处理单元91，根据RLM转换条件，确定不同的RLM模式之间的转换；
其中，所述RLM转换条件至少与所述终端设备的无线资源控制RRC层连续收到的同步指示或失步指示的计数值相关；
所述RLM模式包括：正常RLM模式以及放松RLM模式，所述正常RLM模式的测量间隔小于放松RLM模式的测量间隔。
结合多个示例对本实施例提供的方案进行说明：
示例1、
本示例中，所述第一RLM转换条件包括：所述终端设备的RRC层连续收到的同步指示的计数值超过第一数量门限值；
所述第二RLM转换条件包括：所述终端设备的RRC层连续收到的失步指示的计数值超过第二数量门限值。
所述第一数量门限值和第二数量门限值，为预设的、或者为网络设备配置的。其中，预设的可以为终端设备根据协议进行预设的；网络设备配置，可以理解为网络设备通过配置信息为终端设备预配置的，具体的，网络设备可以通过无线资源控制(RRC，Radio Resource Control)重配置消息为终端设备配置的。
相应的，处理单元91，采用正常RLM模式进行链路检测的情况下，若满足第一RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，
所述终端设备采用放松RLM模式进行链路检测的情况下，若满足第二RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
以网络设备通过RRC信息为终端设备进行配置的场景，对本示例进行说明：
如图10所示，终端设备还包括：通信单元92，用于接收网络设备的RRC重配置消息；
具体的，终端设备可以为处于连接态；网络设备可以为接入网设备，比如，可以为基站(eNB、gNB等等)。
所述RRC重配置消息可以包括：无线链路监测配置(RadioLinkMonitoringConfig)和无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置等。
具体来说，所述RRC重配置消息可以包括以下至少之一：
1、failureDetectionResources(失败检测资源)配置，其中可以包括用于无线链路监测的SSB/CSI-RS资源配置；
2、RLF(无线链路失败，Radio Link Failure)定时器的相关参数，比如，N310,N311,T310等参数；
3、所述RRC重配置消息还可以包括：第一数量门限值以及第二数量门限值。
比如，第一数量门限值可以表示为M1，第二数门限值可以表示为N1；所述M1和N1为终端设备执行RLM模式切换的数量门限。其中，M1为RRC层从物理层接收到连续的同步指(in-sync)示的最大次数；N1为RRC层从物理层接收到连续的失步(out-of-sync)指示的最大次数。
需要指出的是，第一数量门限值以及第二数量门限值，可以作为无线链路监测配置(RadioLinkMonitoringConfig)中的参数，也可以为无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置中的参数；当然，还可以为除上述两种配置之外单独配置的参数，本示例中不对其进行限定。
处理单元91，基于网络配置，终端设备缺省处于正常RLM模式。
处理单元91，采用正常RLM模式进行链路检测的情况下，若满足第一RLM转换条件，则确定由正常RLM模式切换至放松RLM模式。
所述第一RLM转换条件包括：所述终端设备的RRC层连续收到的同步指示的计数值超过第一数量门限值。
进一步地，处理单元91，进入正常RLM模式时，所述终端设备的RRC层指示物理层采用正常RLM模式对应的测量要求进行链路检测。
如何对同步指示的计数值进行计数的处理，其中可以包括有对同步指示的计数值进行初始化或重置，以及对同步指示的计数值加一的处理。具体说明如下：
处理单元91，若满足第一条件，则将同步指示的计数值加一；所述第一条件包括：终端设备处于正常RLM模式的情况下，RRC层收到物理层的同步指示。
处理单元91，若满足第二条件，则对同步指示的计数值进行初始化或重置；
所述第二条件包括以下至少之一：
所述终端设备进入正常RLM模式；
所述终端设备收到失步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程。
终端设备可以由正常RLM模式切换至放松RLM模式；进一步地，本示例还可以包括：
处理单元91，采用放松RLM模式进行链路检测的情况下，若满足第二RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第二RLM转换条件包括：所述终端设备的RRC层连续收到的失步指示的计数值超过第二数量门限值。
处理单元91，进入放松RLM模式时，RRC层指示物理层采用放松RLM模式对应的测量要求进行链路检测。
如何对失步指示的计数值进行计数的处理，其中可以包括有对失步指示的计数值进行初始化或重置，以及对失步指示的计数值加一的处理。具体说明如下：
处理单元91，若满足第三条件，则所述终端设备将失步指示的计数值加一；所述第三条件包括：所述终端设备处于放松RLM模式的情况下，所述终端设备的RRC层收到物理层的失步指示。
处理单元91，若满足第四条件，则所述终端设备对失步指示的计数值进行初始化或重置；
所述第四条件包括以下至少之一：
所述终端设备由正常RLM模式切换至放松RLM模式；
所述终端设备收到同步指示(也就是“in-sync”指示)；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程。
示例2、
与示例1不同在于，本示例在示例1的基础上，增加时间的限定，具体的：
所述第三RLM转换条件包括：在第一时长内，所述终端设备的RRC层连续收到的同步指示的计数值超过第三数量门限值；也就是在一段时间内RRC层只收到“in-sync”同步指示，且“in-sync”同步指示数量大于第三数量门限值(M2)。
所述第五RLM转换条件包括：在第二时长内，所述终端设备的RRC层连续收到的失步指示的计数值超过第四数量门限值。也就是，在一段时间内RRC层只收到“out-of-sync”失步指示，且“out-of-sync”失步指示数量大于一个第四数量门限值(N2)。
相应的，处理单元91，采用正常RLM模式的情况下，若满足第三RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，所述终端设备采用放松RLM模式的情况下，若满足第五RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第一时长、所述第二时长、所述第三数量门限值、所述第四数量门限值，为预设的、或者为网络设备配置的。
所述第一时长为第一定时器的定时时长，第二时长为第二定时器的定时时长。也就是说，通过维护第一定时器以及第二定时器，来对终端设备连续收到的同步指示的计数值以及时长、以及对终端设备连续收到的失步指示的计数值以及时长进行判断，进而确定是否进行RLM模式的转换。
以网络设备通过RRC信息为终端设备进行所述第一时长、所述第二时长、所述第三数量门限值、所述第四数量门限值的配置的场景，对本示例进行说明：
通信单元接收网络设备的RRC重配置消息；
具体的，终端设备可以为处于连接态；网络设备可以为接入网设备，比如，可以为基站(eNB、gNB等等)。
所述RRC重配置消息可以包括：无线链路监测配置(RadioLinkMonitoringConfig)和无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置等。
具体来说，所述RRC重配置消息可以包括以下至少之一：
1、failureDetectionResources(失败检测资源)配置，其中可以包括用于无线链路监测的SSB/CSI-RS资源配置；
2、RLF(无线链路失败，Radio Link Failure)定时器的相关参数，比如，N310,N311,T310等参数；
3、所述RRC重配置消息还可以包括：第三数量门限值(M2)以及第四数量门限值(N2)，还包括第一定时器的定时时长(T1)，以及第二定时器的定时时长(T2)参数等。
其中，所述M2和N2为用于执行RLM模式切换的计数值(counter)门限(或称为数量门限值)，所述T1和T2为用于执行RLM模式切换的定时器时长；其中，M2为T1运行时间内RRC层从物理层接收到连续的“in-sync”同步指示的最大次数，N2为T2运行时间内RRC层从物理层接收到连续的“out-of-sync”失步指示的最大次数。
处理单元91，所述终端设备采用正常RLM模式的情况下，若满足第三RLM转换条件，则确定由正常RLM模式切换至放松RLM模式。
所述第三RLM转换条件包括：在第一时长内，所述终端设备的RRC层连续收到的同步指示的计数值超过第三数量门限值。
如何对同步指示的计数值进行计数的处理，其中可以包括有对同步指示的计数值进行初始化或重置，以及对同步指示的计数值加一的处理。具体说明如下：
处理单元91，若满足第五条件，则终端设备将同步指示的计数值加一；
所述第五条件包括以下至少之一：
所述终端设备处于正常RLM模式、所述第一定时器处于运行状态的情况下，所述终端设备的RRC层收到物理层的同步指示；
所述终端设备处于正常RLM模式、所述第一定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。
处理单元91，若满足第六条件，则终端设备对同步指示的计数值进行初始化或重置；
所述第六条件包括以下至少之一：
所述终端设备进入正常RLM模式；
所述终端设备收到失步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第一定时器超时。
本示例增加第一定时器以及第二定时器的定时时长，在正常RLM模式下如果接收到同步指示，那么可以运行第一定时器，关于停止第一定时器的处理方式可以包括：
处理单元91，满足以下条件时停止第一定时器：
处于正常RLM模式、并且第一定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的失步指示；
或者，由正常RLM模式切换至放松RLM模式。
关于启动或重启第一定时器的处理方式可以包括：处理单元91，在满足以下条件时启动或重启第一定时器：终端设备处于正常RLM模式、并且同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。
终端设备可以由正常RLM模式切换至放松RLM模式；进一步地，本示例还可以包括：
处理单元91，采用放松RLM模式的情况下，若满足第五RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第五RLM转换条件包括：在第二时长内，所述终端设备的RRC层连续收到的失步指示的计数值超过第四数量门限值。
对失步指示的计数值进行计数的处理，其中可以包括有对失步指示的计数值进行初始化或重置，以及对失步指示的计数值加一的处理。具体说明如下：
处理单元91，若满足第七条件，则终端设备将失步指示的计数值加一：
所述第七条件包括以下至少之一：
所述终端设备处于放松RLM模式、并且所述第二定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的失步指示；
或者，所述终端设备处于放松RLM模式、所述第二定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。
本示例中，对失步指示的计数值进行重置的方式，可以包括：
处理单元91，若满足第八条件，则对失步指示的计数值进行重置；
所述第八条件包括以下至少之一：
所述终端设备由正常RLM模式切换至放松RLM模式；
所述终端设备收到同步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第二定时器超时。
本示例增加针对第二定时器的初始化、重置或停止的处理，具体的：
处理单元91，在满足以下条件时启动或重启第二定时器：终端设备处于放松RLM模式、并且失步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。
处理单元91，在满足以下条件时停止第二定时器：
所述终端设备处于放松RLM模式、并且第二定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的同步指示；
或者，所述终端设备由放松RLM模式切换至正常RLM模式。
示例3、
与示例1不同在于，本示例在示例1的基础上，增加时间的限定，但是与示例2的时间限定不同在于，本示例针对相邻的同步指示，或相邻的失步指示的时间间隔进行限定，具体的：
所述第四RLM转换条件包括：所述终端设备的RRC层连续收到的同步指示的计数值超过第五数量门限值，并且相邻的同步指示的时间间隔不大于第三时长。其中，时间间隔的衡量单位可以是指示期(indication Period)，也就是说，RRC层收到连续M3(第五数量门限值)个“in-sync”指示，且相邻“in-sync”同步指示相差不超过L1个indication period。
所述第六RLM转换条件包括：所述终端设备的RRC层连续收到的失步指示的计数值超过第六数量门限值，并且相邻的失步指示的时间间隔不大于第四时长。其中，时间间隔的衡量单位可以是指示期(indication Period)，也就是说，RRC层收到连续N3(第六数量门限值)个“out-of-sync”失步指示，且相邻“out-of-sync”失步指示相差不超过L2个indication period。
相应的，处理单元91，采用正常RLM模式的情况下，若满足第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，采用放松RLM模式的情况下，若满足第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第三时长、第四时长、所述第五数量门限值、第六数量门限值，为预设的、或者为网络设备配置的。
所述第三时长为第三定时器的定时时长，第四时长为第四定时器的定时时长。也就是说，通过维护第三定时器以及第四定时器，来对终端设备连续收到的同步指示的计数值以及时长、以及对终端设备连续收到的失步指示的计数值以及时长进行判断，进而确定是否进行RLM模式的转换。
以网络设备通过RRC信息为终端设备进行所述第三时长、第四时长、所述第五数量门限值、第六数量门限值的配置的场景，对本示例进行说明：
通信单元92，接收网络设备的RRC重配置消息；
具体的，终端设备可以为处于连接态；网络设备可以为接入网设备，比如，可以为基站(eNB、gNB等等)。
所述RRC重配置消息可以包括：无线链路监测配置(RadioLinkMonitoringConfig)和无线链路失败(RLF)-定时器和常量(TimersAndConstants)配置等。
具体来说，所述RRC重配置消息可以包括以下至少之一：
1、failureDetectionResources(失败检测资源)配置，其中可以包括用于无线链路监测的SSB/CSI-RS资源配置；
2、RLF(无线链路失败，Radio Link Failure)定时器的相关参数，比如，N310,N311,T310等参数；
3、所述RRC重配置消息还可以包括：第五数量门限值(M3)以及第六数量门限值(N3)，还包括第三定时器的定时时长(L1)，以及第四定时器的定时时长(L2)参数等。
其中，M3和N3参数，参数L1和L2，所述M3和N3为用于UE执行RLM模式切换的counter门限，所述L1和L2为用于counter计数的定时器时长。M3为L1运行时间内RRC层从物理层接收到连续的“in-sync”同步指示的最大次数，N3为L2运行时间内RRC层从物理层接收到连续的“out-of-sync”失步指示的最大次数。L1和L2的单位为ms或者是indication period(指示期)。
处理单元91，采用正常RLM模式的情况下，若满足第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模式。
所述第四RLM转换条件包括：所述终端设备的RRC层连续收到的同步指示的计数值超过第五数量门限值，并且相邻的同步指示的时间间隔不大于第三时长。
对同步指示的计数值进行计数的处理，其中可以包括有对同步指示的计数值进行初始化或重置，以及对同步指示的计数值加一的处理。具体说明如下：
处理单元91，若满足第九条件，则所述终端设备将同步指示的计数值加一；
所述第九条件包括以下至少之一：
所述终端设备处于正常RLM模式、并且所述第三定时器处于运行状态的情况下，所述终端设备的RRC层收到物理层的同步指示；
所述终端设备处于正常RLM模式、所述第三定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。
处理单元91，若满足第十条件，则所述终端设备对同步指示的计数值进行初始化或重置；
其中，所述第十条件包括以下至少之一：
所述终端设备进入正常RLM模式；
所述终端设备收到失步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第三定时器(L1)超时。
在正常RLM模式下，关于初始化、重置或停止第三定时器的处理方式可以包括：
处理单元91，满足以下条件时启动或重启第三定时器：终端设备处于正常RLM模式的情况下，所述终端设备的RRC层收到物理层的同步指示。
处理单元91，满足以下条件至少之一时停止第三定时器：
终端设备处于正常RLM模式、并且第三定时器在运行状态的情况下，所述终端设备的RRC层 收到物理层的失步指示；
或者，所述终端设备由正常RLM模式切换至放松RLM模式。
终端设备可以由正常RLM模式切换至放松RLM模式；进一步地，本示例还可以包括：
处理单元91，采用放松RLM模式的情况下，若满足第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
所述第六RLM转换条件包括：所述终端设备的RRC层连续收到的失步指示的计数值超过第六数量门限值，并且相邻的失步指示的时间间隔不大于第四时长。
失步指示的计数值进行计数的处理，其中可以包括有对失步指示的计数值进行初始化或重置，以及对失步指示的计数值加一的处理。具体说明如下：
处理单元91，若满足第十一条件，则所述终端设备将失步指示的计数值加一；
所述第十一条件包括以下至少之一：
所述终端设备处于放松RLM模式、并且所述第四定时器在运行状态的情况下，所述终端设备的RRC层收到物理层的失步指示。所述终端设备处于放松RLM模式、所述第四定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。
本示例中，对失步指示的计数值进行重置的方式，可以包括：
处理单元91，若满足第十二条件，则所述终端设备根据对失步指示的计数值进行重置；
所述第十二条件包括以下至少之一：
所述终端设备由正常RLM模式切换至放松RLM模式；
所述终端设备收到同步指示；
所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
所述终端设备初始化RRC连接重配置过程；
所述第四定时器超时。
同样的，本示例增加针对第四定时器的初始化、重置或停止的处理，具体的：
处理单元91，满足以下条件时启动或重启第四定时器：终端设备处于放松RLM模式的情况下，所述终端设备的RRC层收到物理层的失步指示。
处理单元91，满足以下条件至少之一时停止第四定时器：
终端设备处于放松RLM模式、并且第四定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的同步指示；
或者，所述终端设备由放
最后需要指出的是，上述示例2、3可以分别使用，也可以结合使用，比如，一种示例中，处理单元91，根据RLM转换条件，确定不同的RLM模式之间的转换，包括：
所述终端设备采用正常RLM模式的情况下，若满足第三RLM转换条件和第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
或者，
所述终端设备采用放松RLM模式的情况下，若满足第五RLM转换条件第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
可见，通过采用上述方案，就能够根据RLM转换条件来确定在正常RLM模式以及放松RLM模式之间进行转换，具体的RLM转换条件与同步指示或失步指示的计数值相关。如此，就在引入放松RLM模式之后，对如何进入放松RLM模式进行限定。
图11是本发明实施例提供的一种通信设备1400示意性结构图，本实施例中的通信设备可以具体为前述实施例中的终端设备或网络设备。图11所示的通信设备1400包括处理器1410，处理器1410可以从存储器中调用并运行计算机程序，以实现本发明实施例中的方法。
可选地，图11所示，通信设备1400还可以包括存储器1420。其中，处理器1410可以从存储器1420中调用并运行计算机程序，以实现本发明实施例中的方法。
其中，存储器1420可以是独立于处理器1410的一个单独的器件，也可以集成在处理器1410中。
可选地，如图11所示，通信设备1400还可以包括收发器1430，处理器1410可以控制该收发器1430与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器1430可以包括发射机和接收机。收发器1430还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备1400具体可为本发明实施例的终端设备或网络设备实现的相应流程，为了 简洁，在此不再赘述。
图12是本发明实施例的芯片的示意性结构图。图12所示的芯片1500包括处理器1510，处理器1510可以从存储器中调用并运行计算机程序，以实现本发明实施例中的方法。
可选地，如图12所示，芯片1500还可以包括存储器1520。其中，处理器1510可以从存储器1520中调用并运行计算机程序，以实现本发明实施例中的方法。
其中，存储器1520可以是独立于处理器1510的一个单独的器件，也可以集成在处理器1510中。
可选地，该芯片1500还可以包括输入接口1530。其中，处理器1510可以控制该输入接口1530与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片1500还可以包括输出接口1540。其中，处理器1510可以控制该输出接口1540与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本发明实施例中的终端设备或网络设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本发明实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
应理解，本发明实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。
可以理解，本发明实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本发明实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本发明实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
图13是本申请实施例提供的一种通信系统1600的示意性框图。如图13所示，该通信系统1600包括网络设备1620和终端设备1610。
其中，该网络设备1620可以用于实现上述方法中由通信设备实现的相应的功能，以及该终端1620可以用于实现上述方法中由终端实现的相应的功能为了简洁，在此不再赘述。
本发明实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本发明实施例中的网络设备或卫星或终端设备，并且该计算机程序使得计算机执行本发明实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
本发明实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本发明实施例中的网络设备或卫星或终端设备，并且该计算机程序指令使得计算机执行本发明实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
本发明实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本发明实施例中的网络设备或卫星或终端设备，当该计算机程序在计算机上运行时，使得计算机执行本发明实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元 的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本发明所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。所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，在本发明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。
所述功能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介质中。基于这样的理解，本发明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介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应所述以权利要求的保护范围为准。

Claims (69)

  1. 一种无线链路监测RLM模式转换方法，包括：
    终端设备根据RLM转换条件，确定不同的RLM模式之间的转换；
    其中，所述RLM转换条件至少与所述终端设备连续收到的同步指示或失步指示的计数值相关；
    所述RLM模式包括：正常RLM模式以及放松RLM模式，所述正常RLM模式的测量间隔小于放松RLM模式的测量间隔。
  2. 根据权利要求1所述的方法，其中，所述终端设备根据RLM转换条件，确定不同的RLM模式之间的转换，包括：
    所述终端设备采用正常RLM模式进行链路检测的情况下，若满足第一RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
    或者，
    所述终端设备采用放松RLM模式进行链路检测的情况下，若满足第二RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
  3. 根据权利要求2所述的方法，其中，
    所述第一RLM转换条件包括：所述终端设备连续收到的同步指示的计数值超过第一数量门限值；
    所述第二RLM转换条件包括：所述终端设备连续收到的失步指示的计数值超过第二数量门限值。
  4. 根据权利要求3所述的方法，其中，所述第一数量门限值和第二数量门限值，为预设的、或者为网络设备配置的。
  5. 根据权利要求3所述的方法，其中，所述方法还包括：
    若满足第一条件，则终端设备将同步指示的计数值加一；
    所述第一条件包括：终端设备处于正常RLM模式的情况下，所述终端设备的RRC层收到物理层的同步指示。
  6. 根据权利要求5所述的方法，其中，所述方法还包括：
    若满足第二条件，则终端设备对同步指示的计数值进行初始化或重置；
    所述第二条件包括以下至少之一：
    所述终端设备进入正常RLM模式；
    所述终端设备收到失步指示；
    所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
    所述终端设备初始化RRC连接重配置过程。
  7. 根据权利要求3所述的方法，其中，所述方法还包括：
    若满足第三条件，则所述终端设备将失步指示的计数值加一；
    所述第三条件包括：所述终端设备处于放松RLM模式的情况下，所述终端设备的RRC层收到物理层的失步指示。
  8. 根据权利要求7所述的方法，其中，所述方法还包括：
    若满足第四条件，则所述终端设备对失步指示的计数值进行初始化或重置；
    所述第四条件包括以下至少之一：
    所述终端设备由正常RLM模式切换至放松RLM模式；
    所述终端设备收到同步指示；
    所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
    所述终端设备初始化RRC连接重配置过程。
  9. 根据权利要求1所述的方法，其中，所述终端设备根据RLM转换条件，确定不同的RLM模式之间的转换，包括：
    所述终端设备采用正常RLM模式的情况下，若满足第三RLM转换条件和/或第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
    或者，
    所述终端设备采用放松RLM模式的情况下，若满足第五RLM转换条件和/或第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
  10. 根据权利要求9所述的方法，其中，
    所述第三RLM转换条件包括：在第一时长内，所述终端设备连续收到的同步指示的计数值超 过第三数量门限值；
    所述第五RLM转换条件包括：在第二时长内，所述终端设备连续收到的失步指示的计数值超过第四数量门限值。
  11. 根据权利要求10所述的方法，其中，所述第一时长、所述第二时长、所述第三数量门限值、所述第四数量门限值，为预设的、或者为网络设备配置的。
  12. 根据权利要求11所述的方法，其中，所述第一时长为第一定时器的定时时长，第二时长为第二定时器的定时时长。
  13. 根据权利要求12所述的方法，其中，所述方法还包括：
    若满足第五条件，则终端设备将同步指示的计数值加一；
    所述第五条件包括以下至少之一：
    所述终端设备处于正常RLM模式、所述第一定时器处于运行状态的情况下，所述终端设备的RRC层收到物理层的同步指示；
    所述终端设备处于正常RLM模式、所述第一定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。
  14. 根据权利要求13所述的方法，其中，所述方法还包括：
    若满足第六条件，则终端设备对同步指示的计数值进行初始化或重置；
    所述第六条件包括以下至少之一：
    所述终端设备进入正常RLM模式；
    所述终端设备收到失步指示；
    所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
    所述终端设备初始化RRC连接重配置过程；
    所述第一定时器超时。
  15. 根据权利要求12所述的方法，其中，所述方法还包括：
    若满足第七条件，则终端设备将失步指示的计数值加一：
    所述第七条件包括以下至少之一：
    所述终端设备处于放松RLM模式、并且所述第二定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的失步指示；
    所述终端设备处于放松RLM模式、所述第二定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。
  16. 根据权利要求15所述的方法，其中，所述方法还包括：
    若满足第八条件，则所述终端设备对失步指示的计数值进行重置；
    所述第八条件包括以下至少之一：
    所述终端设备由正常RLM模式切换至放松RLM模式；
    所述终端设备收到同步指示；
    所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
    所述终端设备初始化RRC连接重配置过程；
    所述第二定时器超时。
  17. 根据权利要求12所述的方法，其中，所述方法还包括：
    所述终端设备在满足以下条件时启动或重启第一定时器：终端设备处于正常RLM模式、并且同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。
  18. 根据权利要求17所述的方法，其中，所述方法还包括：
    所述终端设备在满足以下条件时停止第一定时器：
    终端设备处于正常RLM模式、并且第一定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的失步指示；
    或者，所述终端设备由正常RLM模式切换至放松RLM模式。
  19. 根据权利要求12所述的方法，其中，所述方法还包括：
    所述终端设备在满足以下条件时启动或重启第二定时器：终端设备处于放松RLM模式、并且失步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。
  20. 根据权利要求19所述的方法，其中，所述方法还包括：
    所述终端设备在满足以下条件时停止第二定时器：
    所述终端设备处于放松RLM模式、并且第二定时器在运行期间的情况下，所述终端设备的RRC 层收到物理层的同步指示；
    或者，所述终端设备由放松RLM模式切换至正常RLM模式。
  21. 根据权利要求9所述的方法，其中，
    所述第四RLM转换条件包括：所述终端设备连续收到的同步指示的计数值超过第五数量门限值，并且相邻的同步指示的时间间隔不大于第三时长；
    所述第六RLM转换条件包括：所述终端设备连续收到的失步指示的计数值超过第六数量门限值，并且相邻的失步指示的时间间隔不大于第四时长。
  22. 根据权利要求21所述的方法，其中，所述第三时长、第四时长、所述第五数量门限值、第六数量门限值，为预设的、或者为网络设备配置的。
  23. 根据权利要求22所述的方法，其中，所述第三时长为第三定时器的定时时长，第四时长为第四定时器的定时时长。
  24. 根据权利要求23所述的方法，其中，所述方法还包括：
    若满足第九条件，则所述终端设备将同步指示的计数值加一；
    所述第九条件包括以下至少之一：
    所述终端设备处于正常RLM模式、并且所述第三定时器处于运行状态的情况下，所述终端设备的RRC层收到物理层的同步指示；
    所述终端设备处于正常RLM模式、所述第三定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的同步指示。
  25. 根据权利要求24所述的方法，其中，所述方法还包括：
    若满足第十条件，则所述终端设备对同步指示的计数值进行初始化或重置；
    其中，所述第十条件包括以下至少之一：
    所述终端设备进入正常RLM模式；
    所述终端设备收到失步指示；
    所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
    所述终端设备初始化RRC连接重配置过程；
    所述第三定时器超时。
  26. 根据权利要求23所述的方法，其中，所述方法还包括：
    若满足第十一条件，则所述终端设备将失步指示的计数值加一；
    所述第十一条件包括以下至少之一：
    所述终端设备处于放松RLM模式、并且所述第四定时器在运行状态的情况下，所述终端设备的RRC层收到物理层的失步指示；
    所述终端设备处于放松RLM模式、所述第四定时器未运行、以及同步指示的计数值为0的情况下，所述终端设备的RRC层收到物理层的失步指示。
  27. 根据权利要求26所述的方法，其中，所述方法还包括：
    若满足第十二条件，则所述终端设备根据对失步指示的计数值进行重置；
    所述第十二条件包括以下至少之一：
    所述终端设备由正常RLM模式切换至放松RLM模式；
    所述终端设备收到同步指示；
    所述终端设备收到包含小区组的同步重配置的RRC重配置信息；
    所述终端设备初始化RRC连接重配置过程；
    所述第四定时器超时。
  28. 根据权利要求23所述的方法，其中，所述方法还包括：
    所述终端设备满足以下条件时启动或重启第三定时器：终端设备处于正常RLM模式的情况下，所述终端设备的RRC层收到物理层的同步指示。
  29. 根据权利要求28所述的方法，其中，所述方法还包括：
    所述终端设备满足以下条件至少之一时停止第三定时器：
    终端设备处于正常RLM模式、并且第三定时器在运行状态的情况下，所述终端设备的RRC层收到物理层的失步指示；
    或者，所述终端设备由正常RLM模式切换至放松RLM模式。
  30. 根据权利要求23所述的方法，其中，所述方法还包括：
    所述终端设备满足以下条件时启动或重启第四定时器：终端设备处于放松RLM模式的情况下， 所述终端设备的RRC层收到物理层的失步指示。
  31. 根据权利要求30所述的方法，其中，所述方法还包括：
    所述终端设备满足以下条件至少之一时停止第四定时器：
    终端设备处于放松RLM模式、并且第四定时器在运行期间的情况下，所述终端设备的RRC层收到物理层的同步指示；
    或者，所述终端设备由放松RLM模式切换至正常RLM模式。
  32. 根据权利要求1-31任一项所述的方法，其中，所述方法还包括：
    所述终端设备进入正常RLM模式时，所述终端设备的RRC层指示物理层采用正常RLM模式对应的测量要求进行链路检测；
    或者，
    所述终端设备进入放松RLM模式时，所述终端设备的RRC层指示物理层采用放松RLM模式对应的测量要求进行链路检测；
    其中，所述正常RLM模式对应的测量要求、与所述放松RLM模式对应的测量要求，至少测量间隔不同。
  33. 一种终端设备，包括：
    处理单元，根据RLM转换条件，确定不同的RLM模式之间的转换；
    其中，所述RLM转换条件至少与所述终端设备连续收到的同步指示或失步指示的计数值相关；
    所述RLM模式包括：正常RLM模式以及放松RLM模式，所述正常RLM模式的测量间隔小于放松RLM模式的测量间隔。
  34. 根据权利要求33所述的终端设备，其中，所述处理单元，采用正常RLM模式进行链路检测的情况下，若满足第一RLM转换条件，则确定由正常RLM模式切换至放松RLM模式；
    或者，
    采用放松RLM模式进行链路检测的情况下，若满足第二RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
  35. 根据权利要求34所述的终端设备，其中，
    所述第一RLM转换条件包括：连续收到的同步指示的计数值超过第一数量门限值；
    所述第二RLM转换条件包括：连续收到的失步指示的计数值超过第二数量门限值。
  36. 根据权利要求35所述的终端设备，其中，所述第一数量门限值和第二数量门限值，为预设的、或者为网络设备配置的。
  37. 根据权利要求35所述的终端设备，其中，所述处理单元，
    若满足第一条件，则将同步指示的计数值加一；
    所述第一条件包括：处于正常RLM模式的情况下，RRC层收到物理层的同步指示。
  38. 根据权利要求37所述的终端设备，其中，所述处理单元，若满足第二条件，则对同步指示的计数值进行初始化或重置；
    所述第二条件包括以下至少之一：
    进入正常RLM模式；
    收到失步指示；
    收到包含小区组的同步重配置的RRC重配置信息；
    初始化RRC连接重配置过程。
  39. 根据权利要求35所述的终端设备，其中，所述处理单元，若满足第三条件，则将失步指示的计数值加一；
    所述第三条件包括：处于放松RLM模式的情况下，RRC层收到物理层的失步指示。
  40. 根据权利要求39所述的终端设备，其中，所述处理单元，若满足第四条件，则对失步指示的计数值进行初始化或重置；
    所述第四条件包括以下至少之一：
    由正常RLM模式切换至放松RLM模式；
    收到同步指示；
    收到包含小区组的同步重配置的RRC重配置信息；
    初始化RRC连接重配置过程。
  41. 根据权利要求33所述的终端设备，其中，所述处理单元，采用正常RLM模式的情况下，若满足第三RLM转换条件和/或第四RLM转换条件，则确定由正常RLM模式切换至放松RLM模 式；
    或者，采用放松RLM模式的情况下，若满足第五RLM转换条件和/或第六RLM转换条件，则确定由放松RLM模式切换至正常RLM模式。
  42. 根据权利要求41所述的终端设备，其中，
    所述第三RLM转换条件包括：在第一时长内，连续收到的同步指示的计数值超过第三数量门限值；
    所述第五RLM转换条件包括：在第二时长内，连续收到的失步指示的计数值超过第四数量门限值。
  43. 根据权利要求42所述的终端设备，其中，所述第一时长、所述第二时长、所述第三数量门限值、所述第四数量门限值，为预设的、或者为网络设备配置的。
  44. 根据权利要求43所述的终端设备，其中，所述第一时长为第一定时器的定时时长，第二时长为第二定时器的定时时长。
  45. 根据权利要求44所述的终端设备，其中，所述处理单元，若满足第五条件，则将同步指示的计数值加一；
    所述第五条件包括以下至少之一：
    处于正常RLM模式、所述第一定时器处于运行状态的情况下，RRC层收到物理层的同步指示；
    处于正常RLM模式、所述第一定时器未运行、以及同步指示的计数值为0的情况下，RRC层收到物理层的同步指示。
  46. 根据权利要求35所述的终端设备，其中，所述处理单元，若满足第六条件，则对同步指示的计数值进行初始化或重置；
    所述第六条件包括以下至少之一：
    进入正常RLM模式；
    收到失步指示；
    收到包含小区组的同步重配置的RRC重配置信息；
    初始化RRC连接重配置过程；
    所述第一定时器超时。
  47. 根据权利要求44所述的终端设备，其中，所述处理单元，若满足第七条件，则将失步指示的计数值加一：
    所述第七条件包括以下至少之一：
    处于放松RLM模式、并且所述第二定时器在运行期间的情况下，RRC层收到物理层的失步指示；
    处于放松RLM模式、所述第二定时器未运行、以及同步指示的计数值为0的情况下，RRC层收到物理层的失步指示。
  48. 根据权利要求47所述的终端设备，其中，所述处理单元，若满足第八条件，则对失步指示的计数值进行重置；
    所述第八条件包括以下至少之一：
    由正常RLM模式切换至放松RLM模式；
    收到同步指示；
    收到包含小区组的同步重配置的RRC重配置信息；
    初始化RRC连接重配置过程；
    所述第二定时器超时。
  49. 根据权利要求44所述的终端设备，其中，所述处理单元，在满足以下条件时启动或重启第一定时器：处于正常RLM模式、并且同步指示的计数值为0的情况下，RRC层收到物理层的同步指示。
  50. 根据权利要求49所述的终端设备，其中，所述处理单元，在满足以下条件时停止第一定时器：
    处于正常RLM模式、并且第一定时器在运行期间的情况下，RRC层收到物理层的失步指示；
    或者，由正常RLM模式切换至放松RLM模式。
  51. 根据权利要求44所述的方终端设备，其中，所述处理单元，在满足以下条件时启动或重启第二定时器：处于放松RLM模式、并且失步指示的计数值为0的情况下，RRC层收到物理层的 失步指示。
  52. 根据权利要求51所述的终端设备，其中，所述处理单元，在满足以下条件时停止第二定时器：
    处于放松RLM模式、并且第二定时器在运行期间的情况下，RRC层收到物理层的同步指示；
    或者，由放松RLM模式切换至正常RLM模式。
  53. 根据权利要求41所述的终端设备，其中，
    所述第四RLM转换条件包括：连续收到的同步指示的计数值超过第五数量门限值，并且相邻的同步指示的时间间隔不大于第三时长；
    所述第六RLM转换条件包括：连续收到的失步指示的计数值超过第六数量门限值，并且相邻的失步指示的时间间隔不大于第四时长。
  54. 根据权利要求53所述的终端设备，其中，所述第三时长、第四时长、所述第五数量门限值、第六数量门限值，为预设的、或者为网络设备配置的。
  55. 根据权利要求54所述的终端设备，其中，所述第三时长为第三定时器的定时时长，第四时长为第四定时器的定时时长。
  56. 根据权利要求55所述的终端设备，其中，所述处理单元，若满足第九条件，则将同步指示的计数值加一；
    所述第九条件包括以下至少之一：
    处于正常RLM模式、并且所述第三定时器处于运行状态的情况下RRC层收到物理层的同步指示；
    处于正常RLM模式、所述第三定时器未运行、以及同步指示的计数值为0的情况下，RRC层收到物理层的同步指示。
  57. 根据权利要求56所述的终端设备，其中，所述处理单元，若满足第十条件，则对同步指示的计数值进行初始化或重置；
    其中，所述第十条件包括以下至少之一：
    进入正常RLM模式；
    收到失步指示；
    收到包含小区组的同步重配置的RRC重配置信息；
    初始化RRC连接重配置过程；
    所述第三定时器超时。
  58. 根据权利要求55所述的终端设备，其中，所述处理单元，若满足第十一条件，则将失步指示的计数值加一；
    所述第十一条件包括以下至少之一：
    处于放松RLM模式、并且所述第四定时器在运行状态的情况下，RRC层收到物理层的失步指示；
    处于放松RLM模式、所述第四定时器未运行、以及同步指示的计数值为0的情况下，RRC层收到物理层的失步指示。
  59. 根据权利要求58所述的终端设备，其中，所述处理单元，若满足第十二条件，则根据对失步指示的计数值进行重置；
    所述第十二条件包括以下至少之一：
    由正常RLM模式切换至放松RLM模式；
    收到同步指示；
    收到包含小区组的同步重配置的RRC重配置信息；
    初始化RRC连接重配置过程；
    所述第四定时器超时。
  60. 根据权利要求55所述的终端设备，其中，所述处理单元，满足以下条件时启动或重启第三定时器：处于正常RLM模式的情况下，RRC层收到物理层的同步指示。
  61. 根据权利要求59所述的终端设备，其中，所述处理单元，满足以下条件至少之一时停止第三定时器：
    处于正常RLM模式、并且第三定时器在运行状态的情况下，RRC层收到物理层的失步指示；
    或者，由正常RLM模式切换至放松RLM模式。
  62. 根据权利要求55所述的终端设备，其中，所述处理单元，满足以下条件时启动或重启第 四定时器：处于放松RLM模式的情况下，RRC层收到物理层的失步指示。
  63. 根据权利要求62所述的终端设备，其中，所述处理单元，满足以下条件至少之一时停止第四定时器：
    处于放松RLM模式、并且第四定时器在运行期间的情况下，RRC层收到物理层的同步指示；
    或者，所述终端设备由放松RLM模式切换至正常RLM模式。
  64. 根据权利要求33-63任一项所述的终端设备，其中，所述处理单元，进入正常RLM模式时，RRC层指示物理层采用正常RLM模式对应的测量要求进行链路检测；
    或者，
    进入放松RLM模式时，RRC层指示物理层采用放松RLM模式对应的测量要求进行链路检测。
  65. 一种终端设备，包括：处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1-32任一项所述方法的步骤。
  66. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1-32中任一项所述的方法。
  67. 一种计算机可读存储介质，所述计算机可读存储介质用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1-32任一项所述方法的步骤。
  68. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1-32中任一项所述的方法。
  69. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1-32中任一项所述的方法。
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