Method and device for assessing downlink radio link quality

Abstract

A method and an apparatus for evaluating downlink radio link quality are provided, the method being used in a terminal device, the method including: configuring a secondary cell set; performing radio link monitoring on a primary secondary cell when the secondary cell set is deactivated if the secondary cell set is instructed by a network to support radio link monitoring; and / or performing beam failure detection of the primary secondary cell when the secondary cell set is deactivated if the secondary cell set is configured by a network to support beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell; and / or performing TRP-dedicated beam failure detection of the primary secondary cell when the secondary cell set is deactivated if the secondary cell set is configured by a network to support beam failure detection and a reference signal for TRP-dedicated beam failure detection is configured for the primary secondary cell.

Description

[Technical field]

[0001] The present invention relates to the technical field of communications. [Background technology]

[0002] In RRC (RRC_CONNECTED), the terminal device performs Radio Link Monitoring (RLM) in an active BWP (Bandwidth Part) based on reference signals (e.g., synchronization signals and PBCH blocks SSB or channel state information reference signals CSI-RS) and reference signal thresholds set by the network.

[0003] Radio link monitoring is suitable for the Primary Cell (PCell) under SA NR, NR-DC and NE-DC operation modes, and for the Primary Secondary Cell (PSCell) under NR-DC and EN-DC operation modes.

[0004] SSB-based RLM is based on the SSB associated with the initial downlink BWP (DL BWP) and can be configured only for DL ​​BWPs including the initial DL BWP and the SSB associated with the initial DL BWP. For other DL BWPs, RLM is performed based only on CSI-RS. The terminal device does not need to perform RLM for non-active DL BWPs.

[0005] In case of a Dual Active Protocol Stack (DAPS) handover, the terminal device continues Radio Link Failure (RLF) detection in the source cell until it successfully completes the random access procedure in the target cell.

[0006] Also, for the Beam Failure Detection (BFD) procedure, the terminal device evaluates the downlink radio link quality of one serving cell based on the reference signal to detect beam failure. This is suitable for the PCell under SA, NR-DC and NE-DC operation modes, the PSCell under NR-DC and EN-DC operation modes, and the SCell under SA, NR-DC, NE-DC or EN-DC operation modes. The terminal device does not need to perform beam failure detection on one inactive SCell, nor does it need to perform beam failure detection on resources implicitly configured for one inactive SCell.

[0007] The beam failure detection based on SSB is based on the SSB associated with the initial DL BWP and can be configured only for the initial DL BWPs and DL BWPs including the SSB associated with the initial DL BWP. For other DL BWPs, the beam failure detection is performed based only on the CSI-RS. The terminal device does not need to perform beam failure detection for non-active DL BWPs.

[0008] Beam failure is detected by counting the number of beam failure instance indications from lower layers to the MAC entity.

[0009] For detection of a physical layer problem under RRC_CONNECTED, the terminal device performs the following operations, namely: 1> When any DAPS bearer is being established, N310 consecutive "out-of-sync" indications of source special cells have been received from the lower layers and T304 is running. 2> Start timer T310 of the source special cell, 1> When N310 consecutive "out-of-sync" indications of special cells are received from the lower layer, and T300, T301, T304, T311, T316 and T319 are not running, 2> Start timer T310 of the corresponding special cell.

[0010] For recovery of a physical layer problem, i.e., when it has received N311 consecutive "in-sync" indications of special cells from the lower layer and T310 is running, the terminal equipment shall perform the following operations, namely: 1> Stop the timer T310 of the corresponding special cell; 1> Stop timer T312 of the corresponding special cell.

[0011] The detection of a radio link failure includes the terminal device performing the following operations: 1> If any DAPS bearer is configured and T304 is running, 2> When T310 in the source special cell is broken; or 2> When the source MCG MAC indicates a random access problem; or 2> The source MCG RLC indicates that the maximum number of retransmissions has been reached; or 2> When the source MCG MAC indicates a persistent uplink LBT failure, 3> The source MCG is considered to have detected a radio link failure, i.e., the source RLF; 3> suspend sending and receiving of all DRBs in the source MCG; 3>Reset the source MCG MAC; 3> Release the source connection, 1> If not, 2> During the DAPS switching period, the following is only suitable for the target PCell: 2> T310 in the PCell expires; or 2> T312 in the PCell expires; or 2> MCG MAC indicates a random access problem and T300, T301, T304, T311 and T319 are not all running; or 2> MCG RLC indicates that the maximum number of retransmissions has been reached; or 2> When connected as an IAB node, upon receiving a BH RLF indication for a BAP entity from an MCG; or 2> If the MCG MAC indicates a persistent uplink LBT failure and T304 is not running, 3> If this indication is from an MCG RLC, and CA duplication is configured and active for the MCG, and for the corresponding logical channel, allowedServingCells contains only secondary cells, 4> Initiate a failure information procedure to report the RLC failure, 3> If not, 4>MCG considers that it detects radio link failure, i.e., MCG RLF; 4> discard all segments of the stored segmented RRC message; 4>If the AS is not safely activated, 5> Execute the action at the time of entering RRC_IDLE, and the release cause is "other", 4> Otherwise, if the AS is safely activated but no SRB2 has been established and there is at least one DRB, or no SRB2 has been established for the IAB, 5> Stores wireless link failure information; 5> Execute the action at the time of entering RRC_IDLE, and the release reason is "RRC connection failure", 4> If not, 5> Stores wireless link failure information; 5>If T316 is set; and 5> When SCG transmission is not suspended; and 5> If a PSCell change or PSCell addition is not performed (i.e., in the case of NR-DC, timer T304 of the NR PSCell is not running, or in the case of NE-DC, timer T307 of the E-UTRA PSCell is not running), 6> initiate an MCG failure information procedure to report an MCG radio link failure; 5> If not, 6> Initiate the connection re-establishment procedure.

[0012] The detection of the radio link failure further includes the terminal device performing the following operations: 1> When T310 in PSCell is cut; or 1> When T312 in PSCell is broken; or 1> When the SCG MAC indicates a random access problem; or 1> The SCG RLC indicates that the maximum number of retransmissions has been reached; or 1> When connected as an IAB node, upon receiving a BH RLF indication for a BAP entity from an SCG; or 1> When the SCG MAC indicates a persistent uplink LBT failure, 2> If this indication is from an SCG RLC, and CA duplication is configured and active for the SCG, and for the corresponding logical channel, allowedServingCells contains only secondary cells, 3> Initiate a failure information procedure to report the RLC failure, 2> If not, 3> The SCG is deemed to have detected a radio link failure, i.e., SCG RLF; 3> If the MCG is not suspended, 4> initiate an SCG failure information procedure to report an SCG radio link failure; 3> If not, 4> Initiate the connection re-establishment procedure.

[0013] The beam failure detection procedure uses the terminal equipment (UE) variable BFI_COUNTER, which is a counter of beam failure instance indications, initially set to 0, with one for each serving cell.

[0014] Figure 1 is a flow chart of detecting beam failure or triggering beam failure recovery of a serving cell. As shown in Figure 1, for each serving cell for which beam failure detection is configured, the MAC entity performs the following operations:

[0015] When a beam failure instance indication is received from a lower layer, Start or restart the beamFailureDetectionTimer; Add 1 to BFI_COUNTER, If BFI_COUNTER is greater than or equal to beamFailureInstanceMaxCount, Trigger one BFR for this serving cell if the serving cell is a secondary cell (SCell); Otherwise, initiate a random access procedure in this special cell (SpCell); The beamFailureDetectionTimer has expired; or When higher layers reconfigure the beamFailureDetectionTimer, beamFailureInstanceMaxCount, or any reference signals for beam failure detection for this serving cell, Set BFI_COUNTER to 0.

[0016] This process is suitable for Rel-15 and Rel-16 special and secondary cells.

[0017] The MAC entity may be configured by the RRC with a beam failure recovery procedure for each serving cell, which is used to indicate to the serving network equipment one new SSB or CSI-RS when a beam failure is detected in the serving SSB(s) or CSI-RS(s).

[0018] It should be noted that the introduction of the above background art is intended to clearly and completely explain the technical solutions of the present invention, and to facilitate understanding thereof by those skilled in the art, and these technical solutions are described in the background art of the present invention, and therefore should not be construed as being known to those skilled in the art. Summary of the Invention [Problem to be solved by the invention]

[0019] In a first aspect, for beam failure detection under multi-TRP (Transmission Reception Point) operation, the network equipment configures two sets of beam failure detection reference signals for the terminal equipment, each set being associated with one TRP, and when the number of beam failure instance indications associated with the corresponding set of beam failure detection reference signals from the physical layer reaches one configured threshold before a configured timer expires, the terminal equipment declares beam failure for this TRP.

[0020] After detecting the beam failure of one TRP of the serving cell, the terminal equipment performs the following operations, namely: - trigger beam failure recovery by initiating BFR MAC CE transmission for this TRP; - Select one suitable beam (if available) for this TRP and indicate in this BFR MAC CE of this TRP whether a suitable (new) beam was found and information of beam failure.

[0021] When a PDCCH is received indicating an uplink grant for a new transmission of one of the HARQ processes for the transmission of a BFR MAC CE of one TRP, the beam failure recovery of this TRP is considered to be completed.

[0022] After detecting the beam failure of the two TRPs of the special cell, the terminal equipment performs the following operations, namely: - triggering beam failure recovery by initiating a random access procedure in a special cell; -selecting one suitable beam (if available) for each failed TRP and indicating in the BFR MAC CE of each failed TRP whether a suitable (new) beam was found and information of the beam failure; -The two TRPs beam failure recovery of a special cell is considered complete when the random access procedure is completed.

[0023] Specifically, it is as follows: For TRP specific (dedicated) beam failure recovery triggers, some parameters are set by the RRC, e.g. -beamFailureInstanceMaxCount of beam failure detections for each BFD-RS pair of a serving cell for which two BFD-RS pairs are configured; -beamFailureDetectionTimer for beam failure detection for each BFD-RS pair of a serving cell in which two BFD-RS pairs are configured.

[0024] The following UE variables are used in the beam failure detection procedure: -BFI_COUNTER (for each BFD-RS pair of a serving cell in which two BFD-RS pairs are configured): A counter of beam failure instance indications, initially set to 0.

[0025] For each serving cell for which beam failure detection is configured, the MAC entity performs the following operations:

[0026] 1> If two BFD-RS pairs are configured for this serving cell, for each BFD-RS pair of this serving cell, the MAC entity: 2> When a beam failure instance indication for one BFD-RS pair is received from the lower layer, 3>Start or restart the beamFailureDetectionTimer; 3> Add 1 to the BFI_COUNTER of this BFD-RS pair; 3> If BFI_COUNTER is greater than or equal to beamFailureInstanceMaxCount, 4> Trigger BFR for this BFD-RS pair in this serving cell, 2> If all BFRs for the two BFD-RS pairs of this special cell have been triggered and have not been successfully completed, 3> Initiate a random access procedure in this special cell, 2> If this serving cell is a special cell and the random access procedure initiated for beam failure recovery of the two BFD-RS pairs of this special cell is completed successfully, 3> Set the BFI_COUNTER of each BFD-RS pair in the special cell to 0; 3> consider this beam failure recovery procedure to have been completed successfully; 2> The beamFailureDetectionTimer for this BFD-RS pair expires; or 2> If the upper layer reconfigures the beamFailureDetectionTimer, beamFailureInstanceMaxCount, or any reference signal for beam failure detection for this BFD-RS pair of this serving cell, 3> Set the BFI_COUNTER for this BFD-RS pair to 0, 2> When a PDCCH addressed to one C-RNTI is received, it indicates a new transmission uplink grant of one of the HARQ processes for transmitting Enhanced BFR MAC CE or Truncated Enhanced BFR MAC CE including beam failure recovery information of this BFD-RS set of this serving cell; 3> Set BFI_COUNTER for this BFD-RS pair to 0; 3> consider this beam failure recovery procedure as successfully completed and cancel all triggered BFRs for this BFD-RS pair of this serving cell; 2> If this serving cell is a secondary cell and this secondary cell is inactive, 3> Set the BFI_COUNTER of each BFD-RS pair in the secondary cell to 0; 3> Consider this beam failure recovery procedure completed successfully and cancel all triggered BFRs of all BFD-RS pairs of this serving cell.

[0027] In the second aspect, regarding further enhancements to multi-RAT dual connectivity, in Rel-16, 3GPP has already implemented NR and LTE mobility enhancements to reduce data transmission interruptions during switching periods and improve switching robustness. In Rel-16, 3GPP has already introduced several enhancements to improve efficient MR-DC configuration and MR-DC performance, such as early measurement reporting and fast MCG failure recovery by SCG.

[0028] In EN-DC, the energy consumption of terminal equipment and network is a major issue to maintain two radio links simultaneously. In some cases, the energy consumption of NR UE is 3 to 4 times higher than LTE. In EN-DC deployment, MN provides basic coverage. When the data rate requirement of terminal equipment changes dynamically, e.g., from high to low, it is worth considering to (de)activate SN to save the energy consumption of network and terminal equipment. Therefore, Rel-17 should define a highly efficient SCG (de)activation mechanism, which may also be suitable for other MR-DC operations, e.g., NGEN-DC and NR-DC.

[0029] The inventors have discovered the following:

[0030] According to the prior art and the first aspect described above, in order to detect a radio link failure and / or a beam failure, the terminal device is required to perform the following operations, namely: - Providing an "in-sync" or "out-of-sync" indication to higher layers (RRC) by monitoring radio link quality against reference signals for radio link failure detection; - Providing a beam failure instance indication to the upper layer (MAC) by evaluating the radio link quality of a reference signal for beam failure detection, in which the reference signal for beam failure detection may be configured for one special cell or one active DL BWP of one active SCell, or for one TRP of one cell.

[0031] According to the second aspect mentioned above, Rel-17 supports SCG activation and deactivation mechanisms, among which the special cell PSCell of the SCG can be deactivated. When the SCG is deactivated, the PSCell and all SCells of the SCG are deactivated, and the terminal device performs RLM and beam failure detection on the PSCell when configured by the network. During the SCG deactivation period, for PSCell beam failure, the terminal device stops beam failure detection when the PSCell beam fails, and restores beam failure detection when the BFD-RS is reconfigured. When receiving the network's SCG deactivation command, the terminal device may perform a random access procedure to the SCG if RLF or beam failure is declared.

[0032] The inventors also discovered that the prior art has the following problems.

[0033] When only cell-level beam failure detection under SCG deactivation is supported, a reference signal for cell beam failure detection may not be set in the PSCell, and a reference signal for beam failure detection dedicated to the TRP may be set. In such a case, even if the network configures the terminal equipment to perform beam failure detection when the SCG is deactivated, the terminal equipment cannot perform cell-level beam failure detection and therefore cannot evaluate the beam quality. As a result, the terminal equipment may communicate using a beam with poor radio link quality, which may degrade communication quality.

[0034] When supporting cell-level / TRP-only beam failure detection under SCG deactivation, according to the existing mechanism, upon beam failure, the terminal device stops beam failure detection and initiates a random access procedure to the SCG upon SCG deactivation. If beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the random access procedure upon SCG deactivation is not necessary. In this case, initiating a random access procedure to the SCG may result in increased energy consumption and a poor user experience.

[0035] To address one or more of the above problems, embodiments of the present invention provide a method and apparatus for assessing downlink radio link quality. [Means for solving the problem]

[0036] According to a first aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a terminal device, the apparatus including: a first setting unit; The first configuration unit configures a secondary cell group (SCG); Among them, when the secondary cell set is configured by the network to support radio link monitoring (RLM), the terminal device performs radio link monitoring on a primary secondary cell (PSCell) when the secondary cell set is deactivated; and / or, when the secondary cell set is configured by the network to support beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell, the terminal device performs beam failure detection of the primary secondary cell when the secondary cell set is deactivated; and / or, when the secondary cell set is configured by the network to support beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, the terminal device performs TRP-specific beam failure detection of the primary secondary cell when the secondary cell set is deactivated.

[0037] According to a second aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a terminal device, the apparatus comprising: a second setting unit; The second configuration unit configures a secondary cell group (SCG); Among these, when the secondary cell set is not instructed by the network to support radio link monitoring (RLM), the terminal device stops radio link monitoring in a primary secondary cell (PSCell) when the secondary cell set is deactivated; and / or when the secondary cell set is not instructed by the network to support beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell, the terminal device stops beam failure detection in the primary secondary cell when the secondary cell set is deactivated; and / or when the secondary cell set is not configured by the network to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal device stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0038] According to a third aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a terminal device, the apparatus comprising: a third setting unit; The third configuration unit configures a secondary cell group (SCG); Among them, when the network indicates that the secondary cell set or a secondary cell (SCell) of the secondary cell set supports radio link monitoring (RLM), the terminal device performs radio link monitoring on the secondary cell when the secondary cell set is deactivated; and / or, when the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell, the terminal device performs beam failure detection of the secondary cell when the secondary cell set is deactivated; and / or, when the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the secondary cell, the terminal device performs TRP-specific beam failure detection of the secondary cell when the secondary cell set is deactivated.

[0039] According to a fourth aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a terminal device, the apparatus comprising: a fourth setting unit; The fourth configuration unit configures a secondary cell group (SCG); Among them, when the secondary cell set or a secondary cell (SCell) of the secondary cell set is not indicated by the network to support radio link monitoring (RLM), the terminal device stops radio link monitoring in the secondary cell when the secondary cell set is deactivated; and / or when the secondary cell set or a secondary cell of the secondary cell set is not indicated by the network to support beam failure detection, or a reference signal for cell beam failure detection is not configured for the secondary cell, the terminal device stops beam failure detection in the secondary cell when the secondary cell set is deactivated; and / or when the secondary cell set or a secondary cell of the secondary cell set is not indicated by the network to support beam failure detection, or a reference signal for TRP-specific beam failure detection is not configured for the secondary cell, the terminal device stops TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

[0040] According to a fifth aspect of an embodiment of the present invention, there is provided a downlink radio link quality evaluation device, which is used in a terminal equipment, wherein, for each serving cell for which beam failure detection is set, when a first counter is greater than or equal to a predetermined threshold, the serving cell is a primary secondary cell, the secondary cell set is inactive, and the beam failure of the primary secondary cell has not been instructed to an upper layer since the secondary cell set was deactivated, a MAC entity instructs an upper layer of beam failure of the primary secondary cell.

[0041] According to a sixth aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a network device, the apparatus comprising: a fifth setting unit; The fifth setting unit sets a secondary cell group (SCG) for the terminal device; Among them, when the secondary cell set indicates that it supports radio link monitoring (RLM), the terminal device performs radio link monitoring on a primary secondary cell (PSCell) when the secondary cell set is deactivated; and / or, when the secondary cell set indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the primary secondary cell, the terminal device performs beam failure detection of the primary secondary cell when the secondary cell set is deactivated; and / or, when the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the primary secondary cell, the terminal device performs TRP-specific beam failure detection of the primary secondary cell when the secondary cell set is deactivated.

[0042] According to a seventh aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a network device, the apparatus comprising: a sixth setting unit; The sixth setting unit sets a secondary cell group (SCG) for the terminal device; Among these, if the secondary cell set does not indicate that it supports radio link monitoring (RLM), the terminal device stops radio link monitoring in a primary secondary cell (PSCell) when the secondary cell set is deactivated; and / or, if the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, the terminal device stops beam failure detection in the primary secondary cell when the secondary cell set is deactivated; and / or, if the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the primary secondary cell, the terminal device stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0043] According to an eighth aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a network device, the apparatus comprising: a seventh setting unit; The seventh setting unit sets a secondary cell group (SCG) for the terminal device; Among them, when the secondary cell set or a secondary cell (SCell) of the secondary cell set indicates that it supports radio link monitoring (RLM), the terminal device performs radio link monitoring on the secondary cell when the secondary cell set is deactivated; and / or, when the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell, the terminal device performs beam failure detection on the secondary cell when the secondary cell set is deactivated; and / or, when the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the secondary cell, the terminal device performs TRP-specific beam failure detection of the secondary cell when the secondary cell set is deactivated.

[0044] According to a ninth aspect of an embodiment of the present invention, there is provided an apparatus for assessing a downlink radio link quality, the apparatus being for use in a network device, the apparatus comprising: an eighth setting unit; The eighth setting unit sets a secondary cell group (SCG) for the terminal device; Among them, when the secondary cell set or a secondary cell (SCell) of the secondary cell set does not indicate that it supports radio link monitoring (RLM), the terminal device stops radio link monitoring in the secondary cell when the secondary cell set is deactivated; and / or, when the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the secondary cell, the terminal device stops beam failure detection in the secondary cell when the secondary cell set is deactivated; and / or, when the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the secondary cell, the terminal device stops TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

[0045] According to a tenth aspect of an embodiment of the present invention, there is provided a terminal device, the terminal device including an apparatus according to any one of the first to fifth aspects of the embodiment of the present invention.

[0046] According to an eleventh aspect of an embodiment of the present invention, there is provided a network device, the network device including an apparatus according to any one of the sixth to ninth aspects of the embodiment of the present invention.

[0047] According to a twelfth aspect of an embodiment of the present invention, there is provided a communication system, the communication system including a terminal device according to the tenth aspect of an embodiment of the present invention and / or a network device according to the eleventh aspect of an embodiment of the present invention.

[0048] According to a thirteenth aspect of an embodiment of the present invention, there is provided a method for assessing a downlink radio link quality, the method being used in a terminal device, the method comprising: The method further comprises: configuring a secondary cell group (SCG); and The method includes performing radio link monitoring on a primary secondary cell (PSCell) when the secondary cell set is deactivated if the secondary cell set is configured by the network to support radio link monitoring (RLM); and / or performing beam failure detection of the primary secondary cell when the secondary cell set is deactivated if the secondary cell set is configured by the network to support beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell; and / or performing TRP-dedicated beam failure detection of the primary secondary cell when the secondary cell set is deactivated if the secondary cell set is configured by the network to support beam failure detection and a reference signal for TRP-dedicated beam failure detection is configured for the primary secondary cell.

[0049] According to a fourteenth aspect of an embodiment of the present invention, there is provided a method for assessing a downlink radio link quality, the method being used in a terminal device, the method comprising: The method further comprises: configuring a secondary cell group (SCG); and The method includes: stopping radio link monitoring in a primary secondary cell (PSCell) when the secondary cell set is deactivated if the network does not indicate that the secondary cell set supports radio link monitoring (RLM); and / or stopping beam failure detection in the primary secondary cell when the secondary cell set is deactivated if the network does not indicate that the secondary cell set supports beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell; and / or stopping TRP-dedicated beam failure detection in the primary secondary cell when the secondary cell set is deactivated if the network does not configure that the secondary cell set supports beam failure detection or a reference signal for TRP-dedicated beam failure detection is not configured for the primary secondary cell.

[0050] According to a fifteenth aspect of an embodiment of the present invention, there is provided a method for assessing a downlink radio link quality, the method being used in a terminal device, comprising: The method further comprises: configuring a secondary cell group (SCG); and performing radio link monitoring on the secondary cell when the secondary cell set is deactivated if the network indicates that the secondary cell set or a secondary cell (SCell) of the secondary cell set supports radio link monitoring (RLM); and / or performing beam failure detection of the secondary cell when the secondary cell set is deactivated if the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell; and / or performing TRP-dedicated beam failure detection of the secondary cell when the secondary cell set is deactivated if a reference signal for TRP-dedicated beam failure detection is configured for the secondary cell.

[0051] According to a sixteenth aspect of an embodiment of the present invention, there is provided a method for assessing a downlink radio link quality, the method being used in a terminal device, the method comprising: The method further comprises: configuring a secondary cell group (SCG); and The present invention includes stopping radio link monitoring in the secondary cell when the secondary cell set is deactivated if the network does not indicate that the secondary cell set or a secondary cell (SCell) of the secondary cell set supports radio link monitoring (RLM); and / or stopping beam failure detection in the secondary cell when the secondary cell set is deactivated if the network does not indicate that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection or a reference signal for cell beam failure detection is not configured for the secondary cell; and / or stopping TRP-dedicated beam failure detection in the secondary cell when the secondary cell set is deactivated if the network does not indicate that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection or a reference signal for TRP-dedicated beam failure detection is not configured for the secondary cell.

[0052] According to a seventeenth aspect of an embodiment of the present invention, there is provided a method for assessing a downlink radio link quality, the method being used in a terminal device, comprising: The method includes, for each serving cell for which beam failure detection is configured, when a first counter is greater than or equal to a predetermined threshold, a MAC entity indicating beam failure of the primary secondary cell to an upper layer if the serving cell is a primary secondary cell, the secondary cell set is inactive, and the secondary cell set has not been indicated to an upper layer of beam failure of the primary secondary cell since being deactivated.

[0053] According to an eighteenth aspect of an embodiment of the present invention, there is provided a method for evaluating a downlink radio link quality, the method being used in a network device, The method includes configuring a secondary cell group (SCG) for a terminal device, wherein, if the secondary cell group indicates that it supports radio link monitoring (RLM), the terminal device performs radio link monitoring on a primary secondary cell (PSCell) when the secondary cell group is deactivated; and / or, if the secondary cell group indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the primary secondary cell, the terminal device performs beam failure detection of the primary secondary cell when the secondary cell group is deactivated; and / or, if the secondary cell group indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the primary secondary cell, the terminal device performs TRP-specific beam failure detection of the primary secondary cell when the secondary cell group is deactivated.

[0054] According to a nineteenth aspect of an embodiment of the present invention, there is provided a method for evaluating downlink radio link quality, the method being used in a network device, the method including: configuring a secondary cell group (SCG) for a terminal device, wherein, if the secondary cell group does not indicate that it supports radio link monitoring (RLM), the terminal device stops radio link monitoring in a primary secondary cell (PSCell) when the secondary cell group is deactivated; and / or, if the secondary cell group does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, the terminal device stops beam failure detection in the primary secondary cell when the secondary cell group is deactivated; and / or, if the secondary cell group is not configured to support beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the primary secondary cell, the terminal device stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell group is deactivated.

[0055] According to a twentieth aspect of an embodiment of the present invention, there is provided a method for evaluating downlink radio link quality, the apparatus being used in a network device, the method including: configuring a secondary cell group (SCG) for a terminal device, wherein, when the secondary cell group or a secondary cell (SCell) of the secondary cell group indicates that it supports radio link monitoring (RLM), the terminal device performs radio link monitoring on the secondary cell when the secondary cell group is deactivated; and / or, when the secondary cell group or a secondary cell of the secondary cell group indicates that it supports beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell, the terminal device performs beam failure detection on the secondary cell when the secondary cell group is deactivated; and / or, when the secondary cell group or a secondary cell of the secondary cell group indicates that it supports beam failure detection and a reference signal for TRP-dedicated beam failure detection is configured for the secondary cell, the terminal device performs TRP-dedicated beam failure detection of the secondary cell when the secondary cell group is deactivated.

[0056] According to a twenty-first aspect of an embodiment of the present invention, there is provided a method for evaluating downlink radio link quality, the method being used in a network device, the method including: configuring a secondary cell group (SCG) for a terminal device, wherein, when the secondary cell group or a secondary cell (SCell) of the secondary cell group does not indicate that it supports radio link monitoring (RLM), the terminal device stops radio link monitoring in the secondary cell when the secondary cell group is deactivated; and / or, when the secondary cell group or a secondary cell of the secondary cell group does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the secondary cell, the terminal device stops beam failure detection in the secondary cell when the secondary cell group is deactivated; and / or, when the secondary cell group or a secondary cell of the secondary cell group does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-dedicated beam failure detection for the secondary cell, the terminal device stops TRP-dedicated beam failure detection in the secondary cell when the secondary cell group is deactivated.

[0057] According to a twenty-second aspect of an embodiment of the present invention, there is provided a computer-readable program, which, when executed in a downlink radio link quality evaluation device or a terminal device, causes the downlink radio link quality evaluation device or the terminal device to execute a downlink radio link quality evaluation method described in any one of the thirteenth to seventeenth aspects of the embodiment of the present invention.

[0058] According to a twenty-third aspect of an embodiment of the present invention, there is provided a storage medium storing a computer-readable program, in which the computer-readable program causes a downlink radio link quality evaluation device or a terminal device to execute a downlink radio link quality evaluation method described in any one of the thirteenth to seventeenth aspects of the embodiment of the present invention.

[0059] According to a twenty-fourth aspect of an embodiment of the present invention, there is provided a computer-readable program, which, when executed in a downlink radio link quality evaluation device or a network device, causes the downlink radio link quality evaluation device or the network device to execute the downlink radio link quality evaluation method described in any one of the eighteenth to twenty-first aspects of the embodiments of the present invention.

[0060] According to a twenty-fifth aspect of an embodiment of the present invention, there is provided a storage medium storing a computer-readable program, in which the computer-readable program causes a downlink radio link quality evaluation device or a network device to execute the downlink radio link quality evaluation method described in any one of the eighteenth to twenty-first aspects of the embodiment of the present invention. Effect of the Invention

[0061] The advantageous effects of the embodiments of the present invention are at least as follows:

[0062] When the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can ensure communication quality by communicating using a beam with good radio link quality.

[0063] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience.

[0064] Also, when the network instructs that the SCG supports radio link monitoring and / or beam failure detection of the secondary cell, the SCG performs radio link monitoring and / or beam failure detection of the secondary cell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform radio link monitoring and / or beam failure detection of the secondary cell, and can evaluate the radio link and / or beam quality, so that the terminal device can communicate using a radio link and / or beam with good quality, thereby ensuring communication quality.

[0065] Specific embodiments of the present invention are disclosed in detail below with reference to the following description and drawings, which show how the principles of the present invention may be employed, but are not limited in scope to these embodiments, which may include various changes, modifications, and alternatives within the scope of the appended claims.

[0066] Additionally, features described and / or illustrated in one embodiment may be used in the same or similar manner in one or more other embodiments, may be combined with features in the other embodiments, or may be substituted for features in the other embodiments.

[0067] It should be noted that terms such as "comprise / have" when used in this specification refer to the presence of a feature, element, step, or assembly, but do not exclude the presence or addition of one or more other features, elements, steps, or assemblies. [Brief description of the drawings]

[0068] Elements and features described in one drawing or one embodiment of the invention may be combined with elements and features shown in one or more other drawings or embodiments, and in the drawings, like reference numerals are used to indicate corresponding parts in the several drawings and to indicate corresponding parts used in several embodiments.

[0069] The included drawings are used to provide a further understanding of the embodiments of the present invention, and these drawings constitute a part of this specification, illustrate the embodiments of the present invention, and together with the written description, are used to explain the principles of the present invention. Also, it is obvious that the drawings described below are only for illustrating some embodiments of the present invention, and a person skilled in the art can derive other drawings based on these drawings without creative labor. [Figure 1] 13 is a flowchart of detecting beam failure or triggering beam failure recovery of a serving cell. [Diagram 2] FIG. 1 illustrates a communication system according to an embodiment of the present invention. [Diagram 3] FIG. 1 illustrates a multi-TRP scenario in an embodiment of the present invention. [Figure 4] FIG. 4 is a diagram illustrating a method for evaluating downlink radio link quality in the first embodiment of the present invention. [Diagram 5] FIG. 11 is a diagram illustrating a method for evaluating downlink radio link quality in a second embodiment of the present invention. [Figure 6] FIG. 11 is a diagram illustrating a method for evaluating downlink radio link quality in a third embodiment of the present invention. [Figure 7] FIG. 11 is a diagram illustrating a method for evaluating downlink radio link quality in a fourth embodiment of the present invention. [Figure 8]FIG. 11 is another diagram showing a method for evaluating downlink radio link quality in accordance with the fourth embodiment of the present invention. [Figure 9] FIG. 11 is a diagram illustrating a method for evaluating downlink radio link quality in a fifth embodiment of the present invention. [Figure 10] FIG. 13 is a diagram illustrating a method for evaluating downlink radio link quality in a sixth embodiment of the present invention. [Figure 11] FIG. 13 is a diagram illustrating a method for evaluating downlink radio link quality in a seventh embodiment of the present invention. [Figure 12] FIG. 13 is a diagram illustrating a method for evaluating downlink radio link quality in an eighth embodiment of the present invention. [Figure 13] FIG. 13 is another diagram showing a method for evaluating downlink radio link quality in Example 8 of the present invention. [Figure 14] FIG. 13 is a diagram illustrating an evaluation device for downlink radio link quality in a ninth embodiment of the present invention. [Figure 15] FIG. 17 is a diagram illustrating an evaluation device for downlink radio link quality in a tenth embodiment of the present invention. [Figure 16] FIG. 11 is a diagram illustrating an evaluation device for downlink radio link quality in an eleventh embodiment of the present invention. [Figure 17] FIG. 12 is another diagram showing an apparatus for evaluating downlink radio link quality in accordance with the eleventh embodiment of the present invention. [Figure 18] FIG. 23 is a diagram illustrating an evaluation device for downlink radio link quality in a thirteenth embodiment of the present invention. [Figure 19] FIG. 21 is a diagram illustrating an evaluation device for downlink radio link quality in a fourteenth embodiment of the present invention. [Figure 20] FIG. 23 is a diagram illustrating an evaluation device for downlink radio link quality in a fifteenth embodiment of the present invention. [Figure 21] FIG. 21 is another diagram showing a downlink radio link quality evaluation device in Example 15 of the present invention. [Figure 22] FIG. 23 is a block diagram showing the system configuration of a terminal device according to a sixteenth embodiment of the present invention. [Diagram 23]FIG. 23 is a block diagram showing a system configuration of a network device according to a seventeenth embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0070] The above and other features of the present invention will become apparent from the following detailed description and drawings, in which: While the specification and drawings set forth certain embodiments of the present invention, they are illustrative of only some of the embodiments which may employ the principles of the present invention, and it is to be understood that the present invention is not limited to the described embodiments, but rather includes all modifications, variations and alternatives within the scope of the appended claims.

[0071] In an embodiment of the present invention, the term "communication network" or "wireless communication network" may refer to a network conforming to any communication standard, such as Long Term Evolution (LTE), LTE-Advanced (LTE-A), Wideband Code Division Multiple Access (WCDMA), High-Speed ​​Packet Access (HSPA), etc.

[0072] Additionally, communications between devices in the communications system may be performed according to any stage of communications protocol, including, but not limited to, the following communications protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G, 5G, New Radio (NR), and / or other conventional or future developed communications protocols.

[0073] In the embodiment of the present invention, the term "network equipment" refers to an apparatus that connects a terminal device to a communication network and provides services to the terminal device in a communication system, for example. The network equipment may include, but is not limited to, a "node" and / or a "donor" under the IAB architecture, a base station (BS), an access point (AP), a transmission reception point (TRP), a broadcast transmitter, a mobile management entity (MME), a network gateway, a server, a radio network controller (RNC), a base station controller (BSC), etc.

[0074] Among them, the base station may include, but is not limited to, the following: Node B (NodeB or NB), evolved Node B (eNodeB or eNB), 5G base station (gNB), etc., and may further include RRH (Remote Radio Head), RRU (Remote Radio Unit), relay, or low power node (e.g., femto, pico, etc.). In addition, the term "base station" may include some or all of the functions thereof, and each base station can provide communication coverage for a specific geographical area. For example, a 5G base station gNB may include one gNB CU and one or more gNB DUs, in which the CU / DU is a logical node of the gNB that has some functions of the gNB. The term "cell" may refer to a base station and / or its coverage area, depending on the context in which the term is used.

[0075] In the embodiment of the present invention, the term "User Equipment" (UE) or "Terminal Equipment" (TE) refers to a device that accesses a communication network and receives services from the network, for example, through a network device. The user equipment may be fixed or mobile, and may also be called a mobile station (MS), a terminal, a subscriber station (SS), an access terminal (AT), a station, etc. For example, a terminal equipment served by an IAB node or an IAB donor under the IAB architecture.

[0076] Among these, user equipment may include, but is not limited to, the following: a cellular phone, a personal digital assistant (PDA), a wireless modem, a wireless communication device, a mobile device, a machine type communication device, a laptop computer, a cordless telephone, a smartphone, a smart watch, a digital camera, etc.

[0077] Furthermore, in a scenario such as the Internet of Things (IoT), the user equipment may also be a monitoring or measuring device or apparatus, including, but not limited to, a Machine Type Communication (MTC) terminal, an in-vehicle communication terminal, a Device to Device (D2D) terminal, a Machine to Machine (M2M) terminal, etc.

[0078] The following describes an example scenario of the present invention, but the present invention is not limited thereto.

[0079] FIG. 2 is a diagram showing a communication system in an embodiment of the present invention. It exemplarily shows a case where a terminal device and a network device are taken as an example. As shown in FIG. 2, a communication system 100 may include a network device 101 and a terminal device 102. For convenience, FIG. 2 shows an example of only one terminal device. The network device 101 is, for example, a network device gNB of an NR.

[0080] In the embodiment of the present invention, existing traffic (services / businesses) or future traffic may be carried between the network device 101 and the terminal device 102. For example, such traffic may include, but is not limited to, eMBB (enhanced Mobile Broadband), mMTC (massive Machine Type Communication), URLLC (Ultra-Reliable and Low-Latency Communication), etc.

[0081] For example, in the case of a multi-TRP (mTRP) scenario, the network device provides services to the terminal device 102 via TRP-1 and TRP-2.

[0082] In an embodiment of the present invention, a TRP is a part of a network device that receives signals from and / or transmits signals to a terminal device. In a multi-TRP (mTRP) operation, one serving cell can schedule a terminal device from two TRPs, which may belong to the same cell, thus providing better PDSCH coverage, reliability and / or data rate. In the case of a multi-TRP, there are two different operation modes, namely single DCI (Downlink Control Information) and multi-DCI. For these two modes, the control of uplink and downlink operation is performed by the physical layer and the MAC layer within the configuration provided by the RRC layer. In the single DCI mode, the terminal device is scheduled by the same DCI from two TRPs, and in the multi-DCI mode, the terminal device is scheduled by a single DCI for each TRP.

[0083] FIG. 3 is a diagram showing a multi-TRP scenario in an embodiment of the present invention. As shown in FIG. 3, the network device 101 deploys two TRPs, namely TRP1 and TRP2. The network device 101 works with the terminal device 102 through TRP1 and TRP2, for example, TRP1 and TRP2 belong to a PSCell. Even if a beam failure occurs only in TRP1 and TRP2 is still available, according to the conventional mechanism, the terminal device 102 stops beam failure detection for TRP1 and TRP2 when the SCG is deactivated, so that the terminal device 102 cannot evaluate the beam quality of the PSCell, and when the SCG is activated, the terminal device 102 can initiate a random access procedure to the network device 101. This may cause the energy consumption of the network and the terminal to increase and the user experience to deteriorate.

[0084] Various implementations of the embodiments of the present invention will now be described in conjunction with the drawings, which are merely examples and are not intended to limit the present invention. EXAMPLES

[0085] In the embodiment of the present invention, a method for evaluating downlink radio link quality is provided, and the method is applied to a terminal device, for example, the method is used in the terminal device 102 in FIG.

[0086] 4 is a diagram illustrating a method for evaluating downlink radio link quality in the first embodiment of the present invention. As shown in FIG. 4, the method includes the following steps:

[0087] Step 401: Configure a secondary cell group (SCG); Step 402: If the secondary cell set is instructed by the network to support radio link monitoring (RLM), perform radio link monitoring on a primary secondary cell (PSCell) when the secondary cell set is deactivated; and / or Step 403: When the secondary cell set is indicated by the network as supporting beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell, perform beam failure detection of the primary secondary cell when the secondary cell set is deactivated; and / or Step 404: If the network indicates that the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, perform TRP-specific beam failure detection of the primary secondary cell when the secondary cell set is deactivated.

[0088] In an embodiment of the present invention, after step 401, the method may include at least one step among steps 402-404, and when the method includes multiple steps among steps 402-404, there is no limitation on the execution order between these steps.

[0089] In this way, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for a PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0090] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience.

[0091] In some embodiments, "TRP-specific" may be replaced with "of the BFD-RS set" or "associated with the BFD-RS set."

[0092] In some embodiments, "beam fail" may be replaced with "beam fail recovery" or "triggering beam fail recovery."

[0093] In step 401, setting up a secondary cell group (SCG) refers to setting up a secondary cell group in a terminal device.

[0094] In some embodiments, the primary secondary cell is a primary secondary cell of a set of secondary cells configured for the terminal device.

[0095] In some embodiments, the configuration indicating whether or not radio link monitoring (RLM) and / or beam failure detection is supported may be included in a CellGroupConfig IE.

[0096] In some embodiments, the network may indicate, by a common configuration or a separate configuration, that the secondary cell group is supported for radio link monitoring when deactivated or whether the secondary cell group is supported for radio link monitoring when deactivated, and / or that the secondary cell group is supported for beam failure detection when deactivated or whether the secondary cell group is supported for beam failure detection when deactivated, For example, the common configuration or separate configuration may be included in a CellGroupConfig IE.

[0097] In some embodiments, the common configuration, when used to configure deactivation of an SCG, instructs the terminal device to perform radio link monitoring and / or beam failure detection, or instructs whether the terminal device performs radio link monitoring and / or beam failure detection, the beam failure detection including cell beam failure detection or TRP-specific beam failure detection.

[0098] In some embodiments, the common setting may be BOOLEAN data or ENUMERATED data.

[0099] In some embodiments, when the common setting is BOOLEAN data, a value of "true" indicates that the terminal device performs radio link monitoring and / or beam failure detection when the SCG is deactivated, and a value of "false" indicates that the terminal device does not perform / stops radio link monitoring and / or beam failure detection when the SCG is deactivated. In this case, the field of the common setting is a mandatory field.

[0100] For example, when the common setting is BOOLEAN data, the common setting indicates whether the terminal device performs radio link monitoring and / or beam failure detection when used to set the deactivation of the SCG, and the beam failure detection includes cell beam failure detection or TRP-specific beam failure detection.

[0101] In some embodiments, when the common setting is ENUMERATED data, the value is "true", which means that if this field is set, the terminal device performs radio link monitoring and / or beam failure detection when the SCG is deactivated, in which case the common setting field is an optional field and is not required.

[0102] For example, when the common setting is ENUMERATED data, the common setting instructs the terminal equipment to perform radio link monitoring and / or beam failure detection when used to set deactivation of an SCG, and the beam failure detection includes cell beam failure detection or TRP-specific beam failure detection.

[0103] In some embodiments, the single setting includes at least one of the following: When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell, or instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring on the primary secondary cell or instructing the terminal device to perform radio link monitoring on the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell, or instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructs the terminal device to perform beam failure detection of the cell in the primary secondary cell, or instructs the terminal device to perform beam failure detection of the cell in the primary secondary cell; and When used to configure deactivation of the secondary cell set, instructs the terminal device to perform TRP-specific beam failure detection on the primary secondary cell, or instructs the terminal device to perform TRP-specific beam failure detection on the primary secondary cell.

[0104] In some embodiments, the single setting may be BOOLEAN data or ENUMERATED data.

[0105] In some embodiments, when the single setting is BOOLEAN data, a value of "true" indicates that the terminal device performs radio link monitoring and / or beam failure detection when the SCG is deactivated, and a value of "false" indicates that the terminal device does not perform radio link monitoring and / or beam failure detection when the SCG is deactivated. In this case, the field of the single setting is a mandatory field.

[0106] For example, if the single setting is BOOLEAN data, the single setting includes at least one of the following: Indicating whether the terminal device should perform radio link monitoring and cell beam failure detection in the primary secondary cell when used to configure the deactivation of the secondary cell set; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring on the primary secondary cell; Indicating whether the terminal device should perform cell or TRP-specific beam failure detection on the primary secondary cell when used to configure the deactivation of the secondary cell set; When used to configure the deactivation of the secondary cell set, indicates whether the terminal device performs cell beam failure detection on the primary secondary cell; and When used to configure deactivation of the secondary cell set, indicates whether the terminal device should perform TRP-specific beam failure detection on the primary secondary cell.

[0107] In some embodiments, when the single setting is ENUMERATED data, the value is "true", which means that if this field is set, the terminal device performs radio link monitoring and / or beam failure detection when the SCG is deactivated, and in this case, the field of the single setting is an optional field and is not required.

[0108] For example, if the single setting is ENUMERATED data, the single setting includes at least one of the following: When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring on the primary secondary cell; instructing the terminal device to perform cellular or TRP-specific beam failure detection on the primary secondary cell when used to configure deactivation of the secondary cell set; When used to configure the deactivation of the secondary cell set, instructs the terminal device to perform cell beam failure detection on the primary secondary cell; and When used to configure deactivation of the secondary cell set, it instructs the terminal device to perform TRP-specific beam failure detection on the primary secondary cell.

[0109] In some embodiments, for the configured secondary cell set, when activation of the secondary cell set is indicated by higher layers, the MAC entity may use at least one of the following secondary cell set activation operations: activating the primary secondary cell; transmitting SRS on the primary secondary cell; reporting CSI on the primary secondary cell; monitoring PDCCH on the primary secondary cell; transmitting PUCCH on the primary secondary cell; performing random access on the primary secondary cell if triggered; and initializing Bj of each logical channel associated with the primary secondary cell to 0.

[0110] In some embodiments, for the secondary cell set being configured, when deactivation of the secondary cell set is instructed by a higher layer, the MAC entity may perform at least one of the following: deactivate all secondary cells (SCells) of the secondary cell set being configured; deactivate the primary secondary cell; and reset the MAC.

[0111] In some embodiments, resetting the MAC may include at least one of the following: stopping all running timers other than the first timer or stopping all running timers; stopping any running random access procedure; clearing the Msg3 buffer; clearing the MSGA buffer; canceling any beam failure recovery (BFR) that has been triggered; and resetting the first counter.

[0112] In step 402, if the secondary cell set is indicated by the network to support radio link monitoring (RLM), radio link monitoring is performed on a primary secondary cell (PSCell) when the secondary cell set is deactivated.

[0113] In some embodiments, performing radio link monitoring on a primary secondary cell (PSCell) may include the following: the terminal device performs radio link monitoring on a BWP other than the active DL BWP if configured by the network to perform radio link monitoring on an inactive primary secondary cell, i.e., the terminal device is required to perform radio link monitoring on a BWP other than the active DL BWP only if configured by the network to perform radio link monitoring on an inactive primary secondary cell.

[0114] For example, when the network configures to perform radio link monitoring in an inactive primary secondary cell, and no radio link failure is detected in the primary secondary cell or the secondary cell set in which the primary secondary cell is located, the terminal device performs radio link monitoring in a BWP other than the active DL BWP.

[0115] In step 403, in some embodiments, stopping all running timers other than the first timer or stopping all running timers may include: When the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell of the secondary cell set, stop all other running timers other than the first timer, which includes a TA timer (e.g., TA timer) and a beam failure detection timer (e.g., beamFailureDetectionTimer) associated with the primary secondary cell.

[0116] In some embodiments, the TRP-specific beam failure detection timer may be replaced with a beam failure detection timer associated with the BFD-RS set.

[0117] In some embodiments, the configuration of a reference signal for beam failure detection dedicated to a TRP may be replaced by the configuration of multiple (e.g., two) BFD-RS pairs.

[0118] In some embodiments, the cancellation of a triggered beam failure recovery (BFR) may include at least one of the following: cancellation of a triggered beam failure recovery of a primary secondary cell; and cancellation of a triggered beam failure recovery of one BFD-RS set of a primary secondary cell.

[0119] For example, if the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a TRP-specific reference signal for beam failure detection is configured for the primary secondary cell of the secondary cell set, beam failure detection of one BFD-RS set of the primary secondary cell is stopped.

[0120] In some embodiments, the first counter may be a beam fail indication counter, for example, BFI_COUNTER.

[0121] In some embodiments, when instructed by the network, the first counter does not include the BFI_COUNTER of the PSCell, or it may be said that the first counter excludes the BFI_COUNTER of the PSCell.

[0122] For example, when the first counter is a beam failure indication counter when instructed by the network, the first counter does not include the BFI_COUNTER of the PSCell, or it may be said that the first counter excludes the BFI_COUNTER of the PSCell.

[0123] If the network indicates that the secondary cell set supports beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell, perform beam failure detection of the primary secondary cell when the secondary cell set is deactivated.

[0124] In some embodiments, configuring a reference signal for cell beam failure detection or a reference signal for TRP-specific beam failure detection for the primary secondary cell may be explicitly configured or implicitly configured, for example, the explicit configuration may be indicated by RRC and / or MAC signaling, and the implicit configuration may be determined by the terminal device receiving the TCI state via the PDCCH.

[0125] In some embodiments, configuring a reference signal for cell beam failure detection for the primary secondary cell may mean not configuring a reference signal for TRP-specific beam failure detection for the primary secondary cell.

[0126] In some embodiments, configuring a reference signal for beam failure detection dedicated to a TRP for the primary secondary cell may be said to not configure a reference signal for cell beam failure detection for the primary secondary cell.

[0127] In some embodiments, performing beam failure detection of the primary secondary cell may include: For each serving cell for which beam failure detection is set, when a first counter (value) is greater than or equal to a predetermined threshold, the MAC entity indicates to a higher layer a beam failure of the primary secondary cell if the serving cell is the primary secondary cell, the secondary cell set is inactive, and the secondary cell set has not indicated a beam failure of the primary secondary cell to a higher layer since it was deactivated.

[0128] For example, the first counter is BFI_COUNTER and the predefined threshold is beamFailureInstanceMaxCount.

[0129] In some embodiments, performing beam failure detection of the primary secondary cell further includes: If the network does not set the first parameter, for example, if the value of bfd-and-RLM is “true” or an instruction is received from the MAC layer, the terminal device or RRC layer instructs the lower layer to stop beam failure detection on the primary secondary cell.

[0130] For example, the lower layer is a MAC layer or a physical layer or an RF chain.

[0131] In some embodiments, performing beam failure detection of the primary secondary cell further includes: The MAC entity indicates to lower layers a beam failure for the primary secondary cell or instructs lower layers to stop beam failure detection for the primary secondary cell.

[0132] For example, after the MAC entity indicates to the higher layer a beam failure of the primary secondary cell and receives the MAC indication, the terminal device instructs the lower layer to stop beam failure detection in the primary secondary cell.

[0133] For example, the lower layer is a physical layer or an RF chain.

[0134] The instruction process described above is also suitable for step 404 .

[0135] In step 404, if the network indicates that the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, perform TRP-specific beam failure detection of the primary secondary cell when the secondary cell set is deactivated.

[0136] In some embodiments, configuring a reference signal for beam failure detection dedicated to a TRP for the primary secondary cell may be explicitly configured or implicitly configured, for example, the implicit configuration is determined by receiving a TCI state via a PDCCH.

[0137] In some embodiments, configuring a reference signal for beam failure detection dedicated to a TRP for the primary secondary cell may be said to not configure a reference signal for cell beam failure detection for the primary secondary cell.

[0138] In some embodiments, step 404 may include at least one of the following: During a deactivation period of the secondary cell set, when a beam failure is detected for one BFD-RS set in the primary secondary cell, the terminal device stops beam failure detection for the BFD-RS set, or during a deactivation period of the secondary cell set, when a beam failure is detected for one TRP in the primary secondary cell, the terminal device stops beam failure detection for the TRP; During a deactivation period of the secondary cell set, when resetting a reference signal of one BFD-RS set of the primary secondary cell, the terminal device recovers beam failure detection of the BFD-RS set, and resets a reference signal of the one BFD-RS set of the primary secondary cell, for example, by RRC signaling and / or MAC signaling; During the deactivation period of the secondary cell pair, when beam failure recovery has been triggered and not successfully completed for the two BFD-RS pairs in the primary secondary cell, if the MAC layer has not indicated a beam failure to the upper layer since the secondary cell pair was deactivated, the MAC layer indicates a beam failure to the upper layer; and When receiving an activation command for the secondary cell set from the network, if beam failures are detected for all two BFD-RS sets in the primary secondary cell, the terminal device performs a random access procedure for the secondary cell set.

[0139] In some embodiments, "during the deactivation period of the secondary cell set" may be expressed as "when the secondary cell set is deactivated," "if the secondary cell set is deactivated," or "when the secondary cell set is deactivated."

[0140] In some embodiments, stopping all running timers other than the first timer or stopping all running timers may include: and / or when the secondary cell set is indicated by the network as supporting radio link monitoring and / or beam failure detection and a reference signal for cell beam failure detection is configured for a primary secondary cell of the secondary cell set, stopping all other running timers other than a first timer, the first timer including a TA timer (e.g., TA timer) and a beam failure detection timer (e.g., beamFailureDetectionTimer) associated with the primary secondary cell; and / or When the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured for a primary secondary cell of the secondary cell set, stop all other running timers other than a first timer, where the first timer includes a TA timer (e.g., TA timer) and a beam failure detection timer associated with the primary secondary cell or a beam failure detection timer dedicated to each TRP of the primary secondary cell (e.g., beamFailureDetectionTimer).

[0141] In some embodiments, the TRP-specific beam failure detection timer may be replaced with a beam failure detection timer associated with the BFD-RS set.

[0142] In some embodiments, the configuration of a reference signal for beam failure detection dedicated to a TRP may be replaced by the configuration of multiple (e.g., two) BFD-RS pairs.

[0143] In some embodiments, the cancellation of a triggered beam failure recovery (BFR) may include at least one of the following: canceling the triggered beam failure recovery of the primary secondary cell; canceling the triggered beam failure recovery of one BFD-RS set of the primary secondary cell; not canceling the triggered beam failure recovery of one BFD-RS set of the primary secondary cell; and stopping beam failure detection of one BFD-RS set of the primary secondary cell.

[0144] For example, when the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a TRP-specific reference signal for beam failure detection is configured for the primary secondary cell of the secondary cell set, the triggered beam failure recovery of one BFD-RS set of the primary secondary cell is not canceled and / or beam failure detection of one BFD-RS set of the primary secondary cell is stopped.

[0145] For example, if the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection, a TRP-specific reference signal for beam failure detection is configured for a primary secondary cell of the secondary cell set, and beam failure recovery is triggered for only one BFD-RS set of the primary secondary cell, then do not cancel the triggered beam failure recovery of the BFD-RS set of the primary secondary cell and / or stop beam failure detection of the BFD-RS set of the primary secondary cell.

[0146] In some embodiments, the first counter may be a beam fail indication counter, for example, BFI_COUNTER.

[0147] In some embodiments, corresponding to step 403, when instructed by the network, the first counter does not include the BFI_COUNTER of the PSCell, or it may be said that the first counter excludes the BFI_COUNTER of the PSCell.

[0148] For example, when the first counter is a beam failure indication counter when instructed by the network, the first counter does not include the BFI_COUNTER of the PSCell, or it may be said that the first counter excludes the BFI_COUNTER of the PSCell.

[0149] In some embodiments, corresponding to step 404, when instructed by the network, the first counter may not include the BFI_COUNTER of the PSCell, or the first counter may be said to exclude the BFI_COUNTER of the PSCell, and / or when instructed by the network, the first counter may not include the BFI_COUNTER associated with each BFD-RS set of the PSCell, or the first counter may be said to exclude the BFI_COUNTER associated with each BFD-RS set of the PSCell.

[0150] For example, when the network instructs, if the first counter is a beam failure indication counter, the first counter may be said to not include the BFI_COUNTER of the PSCell or to exclude the BFI_COUNTER of the PSCell, and / or when the network instructs, if the first counter is a beam failure indication counter, the first counter may be said to not include the BFI_COUNTER associated with each BFD-RS set of the PSCell or to exclude the BFI_COUNTER associated with each BFD-RS set of the PSCell.

[0151] In some embodiments, performing beam failure detection dedicated to the TRP of the primary secondary cell may include: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of the two BFD-RS sets of the special cell has been triggered and has not been completed successfully; When the serving cell is the primary secondary cell, and the secondary cell set in which the special cell is located is inactive, and the secondary cell set has not been instructed to the higher layer of beam failure of the primary secondary cell since being deactivated, the MAC entity instructs the higher layer of beam failure of the primary secondary cell.

[0152] In some embodiments, performing TRP-specific beam failure detection of the primary secondary cell may further include: If the network does not set the first parameter, for example, if the value of bfd-and-RLM is “true” or an instruction is received from the MAC layer, the terminal device or RRC layer instructs the lower layer to stop beam failure detection on the primary secondary cell.

[0153] For example, the lower layer is a MAC layer or a physical layer or an RF chain.

[0154] In some embodiments, performing beam failure detection of the primary secondary cell further includes: The MAC entity indicates to lower layers a beam failure for the primary secondary cell or instructs lower layers to stop beam failure detection for the primary secondary cell.

[0155] For example, the lower layer is a physical layer or an RF chain.

[0156] In some embodiments, performing TRP-specific beam failure detection of the primary secondary cell may further include: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of the two BFD-RS sets of the special cell has been triggered and has not been completed successfully; When the serving cell is not the primary secondary cell, or the secondary cell set in which the special cell is located is not inactive, or the secondary cell set has been deactivated and has already indicated beam failure of the primary secondary cell to higher layers, the MAC entity initiates a random access procedure in the primary secondary cell.

[0157] That is, when two BFD-RS sets are configured in a serving cell, and for each BFD-RS set of the serving cell, beam failure recovery of the two BFD-RS sets of the special cell has been triggered and has not been completed successfully; If the serving cell is the primary secondary cell, and the secondary cell set in which the special cell is located is inactive, and the secondary cell set has not been instructed to a higher layer of beam failure of the primary secondary cell since it was deactivated, the MAC entity instructs a higher layer of beam failure of the primary secondary cell, otherwise, the MAC entity initiates a random access procedure in the primary secondary cell.

[0158] In some embodiments, the serving cell is not the primary secondary cell may be replaced with the serving cell being a primary cell.

[0159] In some embodiments, the fact that the set of secondary cells in which the special cell resides is not inactive may be replaced by the fact that the set of secondary cells in which the special cell resides is active.

[0160] In some embodiments, performing beam failure detection dedicated to the TRP of the primary secondary cell may include: When two BFD-RS sets are configured in a serving cell, if the beam failure recovery procedure determines that, for each BFD-RS set of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS set of a primary secondary cell when the beam failure recovery procedure determines that the candidate beam evaluation has already been completed, for example; When the serving cell is the primary secondary cell and the secondary cell set is inactive, the MAC entity indicates to higher layers beam failure of the BFD-RS set of the primary secondary cell.

[0161] In some embodiments, performing TRP-specific beam failure detection of the primary secondary cell may further include: Upon receiving the instruction, the terminal device instructs lower layers to stop beam failure detection for the BFD-RS set in the primary secondary cell.

[0162] For example, the lower layer is a MAC layer or a physical layer or an RF chain.

[0163] In some embodiments, performing TRP-specific beam failure detection of the primary secondary cell may further include: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, When the serving cell is the primary secondary cell and the secondary cell set is inactive, the MAC entity indicates to lower layers a beam failure of the BFD-RS set of the primary secondary cell, or instructs the primary secondary cell to stop beam failure detection of the BFD-RS set at the primary secondary cell.

[0164] For example, the lower layer is a physical layer or an RF chain.

[0165] In some embodiments, performing beam failure detection dedicated to the TRP of the primary secondary cell may include: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, When the serving cell is not the primary secondary cell or the secondary cell set is not inactive, the MAC entity instructs the Multiplexing and Assembly procedure to generate an Enhanced BFR MAC CE or a Truncated Enhanced BFR MAC CE or trigger an SR.

[0166] That is, when two BFD-RS pairs are configured in a serving cell, if it is determined in the beam failure recovery procedure that for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of one primary secondary cell, If the serving cell is the primary secondary cell and the secondary cell set is inactive, the MAC entity instructs the upper layer to perform beam failure of the BFD-RS set of the primary secondary cell, otherwise, the MAC entity instructs the multiplexing and assembly procedure to generate an Enhanced BFR MAC CE or a Truncated Enhanced BFR MAC CE or trigger an SR.

[0167] In some embodiments, the serving cell is not the primary secondary cell may be replaced with the serving cell being a primary cell.

[0168] In some embodiments, the secondary set of cells is not inactive may be replaced with the secondary set of cells being active.

[0169] In some embodiments, the stopping of beam failure detection may include the MAC entity or lower layer stopping beam failure detection, i.e. the MAC entity or lower layer stopping performing or initiating beam failure detection.

[0170] For example, the MAC entity does not compute beam failure instance indications from lower layers, i.e., the MAC entity does not perform or initiate computation of beam failure instance indications from lower layers.

[0171] For example, the lower layers do not perform measurements and / or assessments on the radio link quality, i.e. the lower layers do not perform or initiate measurements and / or assessments on the radio link quality.

[0172] In some embodiments, the recovery of the beam failure detection may include the MAC entity or lower layer recovering the beam failure detection, i.e. the MAC entity or lower layer recovering from performing or initiating the beam failure detection.

[0173] For example, the MAC entity may resume computing beam failure instance indications from a lower layer, i.e., the MAC entity may resume performing or initiating computation of beam failure instance indications from a lower layer.

[0174] For example, the lower layers may resume making measurements and / or assessments on the radio link quality, i.e. the lower layers may resume making or initiating measurements and / or assessments on the radio link quality.

[0175] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0176] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0177] In the embodiment of the present invention, a method for evaluating downlink radio link quality is provided, which is applied to a terminal device, and corresponds to the method for evaluating downlink radio link quality used in the terminal device described in the first embodiment, but is described from a different angle here. For example, the method is used in the terminal device 102 in FIG. 2 and FIG. 3.

[0178] 5 is a diagram illustrating a method for evaluating downlink radio link quality in embodiment 2 of the present invention. As shown in FIG. 5, the method includes the following steps:

[0179] Step 501: Configure a secondary cell group (SCG); Step 502: Stopping radio link monitoring in a primary secondary cell (PSCell) when the secondary cell pair is deactivated if the secondary cell pair is not indicated by the network to support radio link monitoring (RLM); and / or Step 503: If the secondary cell pair is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell, stopping beam failure detection in the primary secondary cell when the secondary cell pair is deactivated; and / or Step 504: If the secondary cell set is not configured by the network to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, stop TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0180] In some embodiments, after step 501, the method may include at least one of steps 502-504, and when the method includes multiple steps of steps 502-504, there is no limitation on the execution order between these steps.

[0181] In some embodiments, "TRP-specific" may be replaced with "of a BFD-RS pair" or "associated with a BFD-RS pair."

[0182] In some embodiments, "beam fail" may be replaced with "beam fail recovery" or "beam fail recovery is triggered."

[0183] In step 501, setting up a secondary cell group (SCG) refers to setting up a secondary cell group in a terminal device.

[0184] In some embodiments, the primary secondary cell is a primary secondary cell of a set of secondary cells configured for the terminal device.

[0185] In some embodiments, for the configured secondary cell set, when activation of the secondary cell set is indicated by higher layers, the MAC entity may use at least one of the following secondary cell set activation operations: activating the primary secondary cell; transmitting SRS on the primary secondary cell; reporting CSI on the primary secondary cell; monitoring PDCCH on the primary secondary cell; transmitting PUCCH on the primary secondary cell; performing random access on the primary secondary cell if triggered; and initializing Bj of each logical channel associated with the primary secondary cell to 0.

[0186] In some embodiments, for the secondary cell set being configured, when deactivation of the secondary cell set is instructed by a higher layer, the MAC entity may perform at least one of the following: deactivate all secondary cells (SCells) of the secondary cell set being configured; deactivate the primary secondary cell; and reset the MAC.

[0187] In some embodiments, resetting the MAC may include at least one of the following: stopping all running timers other than the first timer or stopping all running timers; stopping any running random access procedure; clearing the Msg3 buffer; clearing the MSGA buffer; canceling any beam failure recovery (BFR) that has been triggered; and resetting the first counter.

[0188] In some embodiments, stopping all running timers other than the first timer or stopping all running timers may include: and / or when the secondary cell set is indicated by the network as supporting radio link monitoring and / or beam failure detection and a reference signal for cell beam failure detection is configured for a primary secondary cell of the secondary cell set, stopping all other running timers other than a first timer, the first timer including a TA timer (e.g., TA timer) and a beam failure detection timer (e.g., beamFailureDetectionTimer) associated with the primary secondary cell; and / or When the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured for a primary secondary cell of the secondary cell set, stop all other running timers other than a first timer, where the first timer includes a TA timer (e.g., TA timer) and a beam failure detection timer associated with the primary secondary cell or a beam failure detection timer dedicated to each TRP of the primary secondary cell (e.g., beamFailureDetectionTimer).

[0189] In some embodiments, the TRP-specific beam failure detection timer may be replaced with a beam failure detection timer associated with the BFD-RS set.

[0190] In some embodiments, the configuration of a reference signal for beam failure detection dedicated to a TRP may be replaced by the configuration of multiple (e.g., two) BFD-RS pairs.

[0191] In some embodiments, the cancellation of a triggered beam failure recovery (BFR) may include at least one of the following: canceling the triggered beam failure recovery of the primary secondary cell; canceling the triggered beam failure recovery of one BFD-RS set of the primary secondary cell; not canceling the triggered beam failure recovery of one BFD-RS set of the primary secondary cell; and stopping beam failure detection of one BFD-RS set of the primary secondary cell.

[0192] For example, when the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a TRP-specific reference signal for beam failure detection is configured for the primary secondary cell of the secondary cell set, the triggered beam failure recovery of one BFD-RS set of the primary secondary cell is not canceled and / or beam failure detection of one BFD-RS set of the primary secondary cell is stopped.

[0193] For example, if the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection, a TRP-specific reference signal for beam failure detection is configured for a primary secondary cell of the secondary cell set, and beam failure recovery is triggered for only one BFD-RS set of the primary secondary cell, then do not cancel the triggered beam failure recovery of the BFD-RS set of the primary secondary cell and / or stop beam failure detection of the BFD-RS set of the primary secondary cell.

[0194] In some embodiments, the first counter may be a beam fail indication counter, for example, BFI_COUNTER.

[0195] In some embodiments, resetting the first counter may include: resetting the first counter associated with the primary secondary cell when the secondary cell set is not configured by the network to support beam failure detection and a TRP-specific reference signal for beam failure detection is not configured; and / or If the secondary cell set is not configured by the network to support beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured, reset the first counter associated with the primary secondary cell or each BFD-RS set of the primary secondary cell.

[0196] In some embodiments, the stopping of beam failure detection may include the MAC entity or lower layer stopping beam failure detection, i.e. the MAC entity or lower layer stopping performing or initiating beam failure detection.

[0197] For example, the MAC entity does not compute beam failure instance indications from lower layers, i.e., the MAC entity does not perform or initiate computation of beam failure instance indications from lower layers.

[0198] For example, the lower layers do not perform measurements and / or assessments on the radio link quality, i.e. the lower layers do not perform or initiate measurements and / or assessments on the radio link quality.

[0199] In some embodiments, the recovery of the beam failure detection may include the MAC entity or lower layer recovering the beam failure detection, i.e. the MAC entity or lower layer recovering from performing or initiating the beam failure detection.

[0200] For example, the MAC entity may resume computing beam failure instance indications from a lower layer, i.e., the MAC entity may resume performing or initiating computation of beam failure instance indications from a lower layer.

[0201] For example, the lower layers may resume making measurements and / or assessments on the radio link quality, i.e. the lower layers may resume making or initiating measurements and / or assessments on the radio link quality.

[0202] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0203] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0204] In the embodiments of the present invention, a method for evaluating downlink radio link quality is provided, and the method is applied to a network device and a terminal device, which corresponds to the method for evaluating downlink radio link quality used in the terminal device described in the first embodiment and the method for evaluating downlink radio link quality used in the network device described in the sixth embodiment, and duplicated explanations of the same contents are omitted here.

[0205] 6 is a diagram illustrating a method for evaluating downlink radio link quality in a third embodiment of the present invention. The method is applied to a network device and a terminal device. As shown in FIG. 6, the method includes the following steps:

[0206] Step 601: configure a secondary cell group (SCG) for a terminal device; Step 602: indicating, by a network device, that the secondary cell pair supports radio link monitoring; Step 603: when the secondary cell set is deactivated, the terminal device performs radio link monitoring in a primary secondary cell (PSCell); Step 604: indicating, by the network device, that the secondary cell set supports beam failure detection; Step 605: by the network device, setting a reference signal for cell beam failure detection for the primary secondary cell; Step 606: when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; Step 607: by the network device, configure a reference signal for beam failure detection dedicated to the TRP for the primary secondary cell; Step 608: When the secondary cell set is deactivated, the terminal equipment performs beam failure detection dedicated to the TRP of the primary secondary cell.

[0207] In some embodiments, the method may include at least one set of steps among steps 602-603, steps 604-606, and steps 604, 607-608, and when the method includes multiple sets of steps among steps 602-603, steps 604-606, and steps 604, 607-608, there is no limitation on the order of execution of these sets. In each set, i.e., in steps 602-603, in steps 604-606, and in steps 604, 607-608, each step may be executed sequentially or in combination, that is, there is no limitation on the order of execution of each step in the set, for example, in the case of steps 604 and 605, step 604 may be executed first and then step 605, step 605 may be executed first and then step 604, the two steps may be executed simultaneously, or may be executed in combination as one step.

[0208] In the embodiment of the present invention, the specific implementation of steps 601-608 can be referred to the description in the first embodiment, and the detailed description thereof will be omitted here.

[0209] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0210] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0211] In the embodiment of the present invention, a method for evaluating downlink radio link quality is provided, and the method is applied to a terminal device, for example, the method is used in the terminal device 102 in FIG.

[0212] 7 is a diagram illustrating a method for evaluating downlink radio link quality in embodiment 4 of the present invention. As shown in FIG. 7, the method includes the following steps:

[0213] Step 701: Configure a secondary cell group (SCG); Step 702: If the network indicates that the secondary cell set or a secondary cell (SCell) of the secondary cell set supports radio link monitoring (RLM), perform radio link monitoring on the secondary cell when the secondary cell set is deactivated; and / or Step 703: When the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell, perform beam failure detection of the secondary cell when the secondary cell set is deactivated; and / or Step 704: If the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the secondary cell, perform TRP-specific beam failure detection of the secondary cell when the secondary cell set is deactivated.

[0214] In an embodiment of the present invention, after step 701, the method may include at least one of steps 702-704, and when the method includes multiple steps of steps 702-704, there is no limitation on the execution order between these steps.

[0215] 8 is another diagram illustrating a method for evaluating downlink radio link quality in embodiment 4 of the present invention. As shown in FIG. 8, the method includes the following steps:

[0216] Step 801: configure a secondary cell group (SCG); Step 802: If the secondary cell set or a secondary cell (SCell) of the secondary cell set is not indicated by the network as supporting radio link monitoring (RLM), stop radio link monitoring in the secondary cell when the secondary cell set is deactivated; and / or Step 803: If the secondary cell pair or a secondary cell of the secondary cell pair is not indicated by the network as supporting beam failure detection, or a reference signal for cell beam failure detection is not configured for the secondary cell, stopping beam failure detection in the secondary cell when the secondary cell pair is deactivated; and / or Step 804: If the network does not indicate that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection, or a reference signal for TRP-specific beam failure detection is not configured for the secondary cell, stop TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

[0217] In an embodiment of the present invention, after step 801, the method may include at least one step among steps 802-804, and when the method includes multiple steps among steps 802-804, there is no limitation on the execution order between these steps.

[0218] The differences from Examples 1-3 are as follows: in Example 4, radio link monitoring and / or beam failure detection is performed in the secondary cell; the other contents are the same as those of Examples 1-3. For the specific contents of each of the above-mentioned steps, refer to the relevant descriptions in Examples 1-3, and a detailed explanation thereof will be omitted here.

[0219] As can be seen from the above embodiment, if the network instructs that the SCG supports radio link monitoring and / or beam failure detection of the secondary cell, the SCG performs radio link monitoring and / or beam failure detection of the secondary cell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform radio link monitoring and / or beam failure detection of the secondary cell, so that the radio link and / or beam quality can be evaluated, and the terminal device can communicate using a radio link and / or beam with good quality, thereby ensuring communication quality. EXAMPLES

[0220] In the embodiment of the present invention, a method for evaluating downlink radio link quality is provided, and the method is applied to a terminal device, for example, the method is used in the terminal device 102 in FIG.

[0221] 9 is a diagram illustrating a method for evaluating downlink radio link quality in embodiment 5 of the present invention. As shown in FIG. 9, the method includes the following steps:

[0222] Step 901: For each serving cell for which beam failure detection is configured, when a first counter is greater than or equal to a predetermined threshold, if the serving cell is a primary secondary cell, the secondary cell set is inactive, and the MAC entity has not indicated beam failure of the primary secondary cell to the higher layer since the secondary cell set was deactivated, the MAC entity indicates beam failure of the primary secondary cell to the higher layer.

[0223] For example, the first counter is BFI_COUNTER and the predefined threshold is beamFailureInstanceMaxCount.

[0224] In some embodiments, as shown in FIG. 9, the method may further include:

[0225] Step 902: If the network does not set the first parameter, for example, the value of bfd-and-RLM is “true”, or an instruction is received from the MAC layer, the terminal device instructs lower layers to stop beam failure detection in the primary secondary cell.

[0226] For example, the lower layer is a MAC layer or a physical layer or an RF chain.

[0227] In some embodiments, as shown in FIG. 9, the method may further include:

[0228] Step 903: The MAC entity indicates a beam failure of the primary secondary cell to a lower layer, or instructs the lower layer to stop beam failure detection on the primary secondary cell.

[0229] For example, the lower layer is a physical layer or an RF chain.

[0230] For the specific content of each step described above, please refer to the relevant description in the first embodiment, and detailed description thereof will be omitted here. EXAMPLES

[0231] In an embodiment of the present invention, a method for evaluating downlink radio link quality is provided, and the method is applied to a network device, which corresponds to the method described in the first embodiment, and the duplicated description of the same content will be omitted here.

[0232] 10 is a diagram illustrating a method for evaluating downlink radio link quality in embodiment 6 of the present invention. As shown in FIG. 10, the method includes the following steps.

[0233] Step 1001: Configuring a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell pair indicates that radio link monitoring (RLM) is supported, when the secondary cell pair is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or If the secondary cell set indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or If the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs TRP-specific beam failure detection of the primary secondary cell.

[0234] For specific details, please refer to the relevant description in the first embodiment, and detailed description thereof will be omitted here.

[0235] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0236] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0237] In an embodiment of the present invention, a method for evaluating downlink radio link quality is provided, and the method is applied to a network device, which corresponds to the method described in the second embodiment, and the duplicated description of the same content will be omitted here.

[0238] 11 is a diagram illustrating a method for evaluating downlink radio link quality in embodiment 7 of the present invention. As shown in FIG. 11, the method includes the following steps:

[0239] Step 1101: configure a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell pair does not indicate that it supports radio link monitoring (RLM), when the secondary cell pair is deactivated, the terminal device stops radio link monitoring in the primary secondary cell (PSCell); and / or If the secondary cell pair does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell pair is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or If the secondary cell set is not configured to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal device stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0240] For specific details, please refer to the relevant description in Example 2, and detailed explanations thereof will be omitted here.

[0241] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0242] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0243] In an embodiment of the present invention, a method for evaluating downlink radio link quality is provided, and the method is applied to a network device, which corresponds to the method described in the fourth embodiment, and the duplicated description of the same content is omitted here.

[0244] 12 is a diagram illustrating a method for evaluating downlink radio link quality in embodiment 8 of the present invention. As shown in FIG. 12, the method includes the following steps.

[0245] Step 1201: configure a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set indicates that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device performs radio link monitoring on the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device performs TRP-specific beam failure detection of the secondary cell.

[0246] 13 is another diagram illustrating a method for evaluating downlink radio link quality in embodiment 8 of the present invention. As shown in FIG. 13, the method includes the following steps:

[0247] Step 1301: configure a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set does not indicate that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device stops radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the secondary cell, the terminal device stops TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

[0248] For specific details, please refer to the relevant description in Example 4, and detailed explanations thereof will be omitted here.

[0249] As can be seen from the above embodiment, if the network instructs that the SCG supports radio link monitoring and / or beam failure detection of the secondary cell, the SCG performs radio link monitoring and / or beam failure detection of the secondary cell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform radio link monitoring and / or beam failure detection of the secondary cell, so that the radio link and / or beam quality can be evaluated, and the terminal device can communicate using a radio link and / or beam with good quality, thereby ensuring communication quality. EXAMPLES

[0250] In the embodiment of the present invention, a downlink radio link quality evaluation device is provided, and the device is applied to a terminal device. The principle of the problem solved by the device is the same as that of the method of the first embodiment, so the specific implementation can refer to the implementation of the method of the first embodiment, and the same or related duplicated description will be omitted here.

[0251] 14 is a diagram illustrating an apparatus for evaluating downlink radio link quality according to a ninth embodiment of the present invention. As shown in FIG. 14, an apparatus 1400 includes:

[0252] A first configuration unit 1401: configures a secondary cell group (SCG); Wherein, if the secondary cell pair is instructed by the network to support radio link monitoring (RLM), when the secondary cell pair is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or If the network indicates that the secondary cell set supports beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or If the network indicates that the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal equipment performs TRP-specific beam failure detection of the primary secondary cell.

[0253] For specific details, please refer to the relevant description in the first embodiment, and detailed description thereof will be omitted here.

[0254] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0255] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0256] In an embodiment of the present invention, a downlink radio link quality evaluation device is provided, and the device is applied to a terminal device. The principle of the problem solved by the device is the same as that of the method of embodiment 2, so the specific implementation can refer to the implementation of the method of embodiment 2, and the same or related redundant description will be omitted here.

[0257] 15 is a diagram illustrating an apparatus for evaluating downlink radio link quality according to a tenth embodiment of the present invention. As shown in FIG. 15, an apparatus 1500 includes:

[0258] A second configuration unit 1501: configures a secondary cell group (SCG); Wherein, if the secondary cell pair is not indicated by the network as supporting radio link monitoring (RLM), when the secondary cell pair is deactivated, the terminal device stops radio link monitoring in the primary secondary cell (PSCell); and / or If the secondary cell set is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or If the secondary cell set is not configured by the network to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal device stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0259] For specific details, please refer to the relevant description in Example 2, and detailed explanations thereof will be omitted here.

[0260] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0261] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0262] In the embodiment of the present invention, a downlink radio link quality evaluation device is provided, and the device is applied to a terminal device. The principle of the problem solved by the device is the same as that of the method of the fourth embodiment, so the specific implementation can refer to the implementation of the method of the fourth embodiment, and the same or related duplicated description will be omitted here.

[0263] 16 is a diagram illustrating an apparatus for evaluating downlink radio link quality according to an eleventh embodiment of the present invention. As shown in FIG. 16, an apparatus 1600 includes:

[0264] A third configuration unit 1601: configures a secondary cell group (SCG); Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set is instructed by the network to support radio link monitoring (RLM), when the secondary cell set is deactivated, the terminal device performs radio link monitoring on the secondary cell; and / or When the secondary cell set or a secondary cell of the secondary cell set is indicated by the network as supporting beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the secondary cell; and / or If the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the secondary cell, when the secondary cell set is deactivated, the terminal device performs TRP-specific beam failure detection of the secondary cell.

[0265] 17 is another diagram showing an apparatus for evaluating downlink radio link quality in embodiment 11 of the present invention. As shown in FIG. 17, an apparatus 1700 includes:

[0266] A fourth setting unit 1701: sets a secondary cell group (SCG); Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set is not indicated by the network as supporting radio link monitoring (RLM), when the secondary cell set is deactivated, the terminal device stops radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the secondary cell; and / or If the network does not indicate that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection, or a reference signal for TRP-specific beam failure detection is not configured for the secondary cell, the terminal device stops TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

[0267] For specific details, please refer to the relevant description in Example 4, and detailed explanations thereof will be omitted here.

[0268] As can be seen from the above embodiment, if the network instructs that the SCG supports radio link monitoring and / or beam failure detection of the secondary cell, the SCG performs radio link monitoring and / or beam failure detection of the secondary cell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform radio link monitoring and / or beam failure detection of the secondary cell, so that the radio link and / or beam quality can be evaluated, and the terminal device can communicate using a radio link and / or beam with good quality, thereby ensuring communication quality. EXAMPLES

[0269] In an embodiment of the present invention, a downlink radio link quality evaluation device is provided, and the device is applied to a terminal device. The principle of the problem solved by the device is the same as that of the method of embodiment 5, so the specific implementation can refer to the implementation of the method of embodiment 5, and the same or related redundant description will be omitted here.

[0270] Among them, for each serving cell for which beam failure detection is set, when the first counter is greater than or equal to a predetermined threshold, the MAC entity instructs the upper layer of beam failure of the primary secondary cell if the serving cell is a primary secondary cell, the secondary cell set is inactive, and the secondary cell set has not instructed the upper layer of beam failure of the primary secondary cell since being deactivated. EXAMPLES

[0271] In an embodiment of the present invention, an apparatus for evaluating downlink radio link quality is provided, and the apparatus is applied to a network device, which corresponds to the method described in the sixth embodiment, and the duplicated description of the same content will be omitted here.

[0272] 18 is a diagram illustrating an apparatus for evaluating downlink radio link quality according to the thirteenth embodiment of the present invention. As shown in FIG. 18, an apparatus 1800 includes:

[0273] A fifth setting unit 1801: setting a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell pair indicates that radio link monitoring (RLM) is supported, when the secondary cell pair is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or If the secondary cell set indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or If the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs TRP-specific beam failure detection of the primary secondary cell.

[0274] For specific details, please refer to the relevant description in Example 6, and detailed explanations will be omitted here.

[0275] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0276] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0277] In an embodiment of the present invention, an apparatus for evaluating downlink radio link quality is provided, and the apparatus is applied to a network device, which corresponds to the method described in the seventh embodiment, and redundant description of the same content will be omitted here.

[0278] 19 is a diagram illustrating an apparatus 1900 for evaluating downlink radio link quality according to a fourteenth embodiment of the present invention. As shown in FIG. 19, the apparatus 1900 includes:

[0279] A sixth setting unit 1901: setting a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell pair does not indicate that it supports radio link monitoring (RLM), when the secondary cell pair is deactivated, the terminal device stops radio link monitoring in the primary secondary cell (PSCell); and / or If the secondary cell pair does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell pair is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or If the secondary cell set is not configured to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal device stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0280] For specific details, please refer to the relevant description in Example 7, and detailed explanations will be omitted here.

[0281] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0282] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience. EXAMPLES

[0283] In an embodiment of the present invention, an apparatus for evaluating downlink radio link quality is provided, and the apparatus is applied to a network device, which corresponds to the method described in the eighth embodiment, and redundant description of the same content will be omitted here.

[0284] 20 is a diagram illustrating an apparatus for evaluating downlink radio link quality according to a fifteenth embodiment of the present invention. As shown in FIG.

[0285] A seventh setting unit 2001: setting a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set indicates that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device performs radio link monitoring on the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device performs TRP-specific beam failure detection of the secondary cell.

[0286] 21 is another diagram showing an apparatus for evaluating downlink radio link quality in embodiment 15 of the present invention. As shown in FIG. 21, an apparatus 2100 includes:

[0287] An eighth setting unit 2101: setting a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set does not indicate that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device stops radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the secondary cell, the terminal device stops TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

[0288] For specific details, please refer to the relevant description in Example 8, and detailed explanations will be omitted here.

[0289] As can be seen from the above embodiment, if the network instructs that the SCG supports radio link monitoring and / or beam failure detection of the secondary cell, the SCG performs radio link monitoring and / or beam failure detection of the secondary cell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform radio link monitoring and / or beam failure detection of the secondary cell, so that the radio link and / or beam quality can be evaluated, and the terminal device can communicate using a radio link and / or beam with good quality, thereby ensuring communication quality. EXAMPLES

[0290] In an embodiment of the present invention, a terminal equipment is provided, and the terminal equipment includes the device for estimating downlink radio link quality according to embodiment 9, embodiment 10, embodiment 11, or embodiment 12.

[0291] Fig. 22 is a block diagram showing a system configuration of a terminal device in Example 16 of the present invention. As shown in Fig. 22, a terminal device 2200 may include a processor 2210 and a memory 2220, and the memory 2220 is connected to the processor 2210. Note that this figure is merely an example, and the configuration may be supplemented or replaced with other types of configuration to realize telecommunication functions or other functions.

[0292] In one implementation, the functionality of the downlink radio link quality assessment device can be integrated into the processor 2210 .

[0293] Corresponding to example 9, the processor 2210 may be configured as follows: configure a secondary cell group (SCG); perform radio link monitoring on a primary secondary cell (PSCell) when the secondary cell group is deactivated if the network indicates that the secondary cell group supports radio link monitoring (RLM); and / or perform beam failure detection of the primary secondary cell when the secondary cell group is deactivated if the network indicates that the secondary cell group supports beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell; and / or perform TRP-dedicated beam failure detection of the primary secondary cell when the secondary cell group is deactivated if the network indicates that the secondary cell group supports beam failure detection and a reference signal for TRP-dedicated beam failure detection is configured for the primary secondary cell.

[0294] Corresponding to example 10, the processor 2210 may be configured as follows: configure a secondary cell group (SCG); stop radio link monitoring in a primary secondary cell (PSCell) when the secondary cell group is deactivated if the network does not indicate that the secondary cell group supports radio link monitoring (RLM); and / or stop beam failure detection in a primary secondary cell when the secondary cell group is deactivated if the network does not indicate that the secondary cell group supports beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell; and / or stop TRP-dedicated beam failure detection in a primary secondary cell when the secondary cell group is deactivated if the network does not indicate that the secondary cell group supports beam failure detection or a reference signal for TRP-dedicated beam failure detection is not configured for the primary secondary cell.

[0295] Corresponding to embodiment 11, the processor 2210 may be configured to: configure a secondary cell group (SCG); if the network indicates that the secondary cell group or a secondary cell (SCell) of the secondary cell group supports radio link monitoring (RLM), perform radio link monitoring on the secondary cell when the secondary cell group is deactivated; and / or, if the network indicates that the secondary cell group or a secondary cell of the secondary cell group supports beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell, perform beam failure detection of the secondary cell when the secondary cell group is deactivated; and / or, if the network indicates that the secondary cell group or a secondary cell of the secondary cell group supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the secondary cell, perform TRP-specific beam failure detection of the secondary cell when the secondary cell group is deactivated; and / or The processor 2210 may be configured to: configure a secondary cell group (SCG); stop radio link monitoring in the secondary cell when the secondary cell group is deactivated if the network does not indicate that the secondary cell group or a secondary cell (SCell) of the secondary cell group supports radio link monitoring (RLM); and / or stop beam failure detection in the secondary cell when the secondary cell group is deactivated if the network does not indicate that the secondary cell group or a secondary cell of the secondary cell group supports beam failure detection or a reference signal for cell beam failure detection is not configured for the secondary cell; and / or stop TRP-specific beam failure detection in the secondary cell when the secondary cell group is deactivated if the network does not indicate that the secondary cell group or a secondary cell of the secondary cell group supports beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the secondary cell.

[0296] Corresponding to example 12, the processor 2210 may be configured as follows: for each serving cell for which beam failure detection is set, when the first counter is greater than or equal to a predetermined threshold, the MAC entity indicates to the upper layer a beam failure of the primary secondary cell when the serving cell is a primary secondary cell, the secondary cell set is inactive, and the beam failure of the primary secondary cell has not been indicated to the upper layer since the secondary cell set was deactivated.

[0297] In another implementation manner, the downlink radio link quality evaluation device may be configured independently of the processor 2210, for example, the downlink radio link quality evaluation device may be configured as a chip connected to the processor 2210, and the function of the downlink radio link quality evaluation device may be realized under the control of the processor 2210.

[0298] As shown in Fig. 22, the terminal device 2200 may further include a communication module 2230, an input unit 2240, a display 2250, a power supply 2260, etc. It is not necessary for the terminal device 2200 to include all of the components shown in Fig. 22. The terminal device 2200 may further include components not shown in Fig. 22, and for this, reference can be made to related art.

[0299] As shown in FIG. 22, the processor 2210, which may be referred to as a controller or operational control, may include a microprocessor or other processing device and / or logic device, and the processor 2210 can receive inputs and control the operation of each component of the terminal device 2200.

[0300] The storage unit 2220 may be, for example, one or more of a buffer, a flash memory, a HDD, a removable medium, a volatile storage unit, a non-volatile storage unit, or other suitable devices, and may store various data and may also store a program for information processing. The processor 2210 may execute the program stored in the storage unit 2220 to store and process information. The functions of the other components are the same as those of the conventional components, and therefore detailed descriptions thereof are omitted here. Each component of the terminal device 2200 may be realized by dedicated hardware, firmware, software, or a combination thereof, all of which are within the scope of the present invention.

[0301] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0302] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience.

[0303] Also, when the network instructs that the SCG supports radio link monitoring and / or beam failure detection of the secondary cell, the SCG performs radio link monitoring and / or beam failure detection of the secondary cell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform radio link monitoring and / or beam failure detection of the secondary cell, and can evaluate the radio link and / or beam quality, so that the terminal device can communicate using a radio link and / or beam with good quality, thereby ensuring communication quality. EXAMPLES

[0304] In an embodiment of the present invention, a network equipment is provided, which includes the evaluation device for downlink radio link quality in embodiment 13, 14 or 15.

[0305] Fig. 23 is a block diagram showing a system configuration of a network device according to a seventeenth embodiment of the present invention. As shown in Fig. 23, a network device 2300 may include a processor 2310 and a memory 2320, and the memory 2320 is connected to the processor 2310. The memory 2320 can store various data and also store a program 2330 for information processing, and can receive various information transmitted by a terminal device and transmit various information to the terminal device by executing the program 2330 under the control of the processor 2310.

[0306] In one implementation, the functionality of the downlink radio link quality estimator can be integrated into the processor 2310 .

[0307] Corresponding to example 13, the processor 2310 may be configured as follows: configure a secondary cell group (SCG) for a terminal device, among which, when the secondary cell group indicates that it supports radio link monitoring (RLM), when the secondary cell group is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or, when the secondary cell group indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell group is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or, when the secondary cell group indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the primary secondary cell, when the secondary cell group is deactivated, the terminal device performs TRP-specific beam failure detection of the primary secondary cell.

[0308] Corresponding to example 14, the processor 2310 may be configured as follows: configure a secondary cell group (SCG) for a terminal device, and if the secondary cell group does not indicate that it supports radio link monitoring (RLM), when the secondary cell group is deactivated, the terminal device stops radio link monitoring in a primary secondary cell (PSCell); and / or, if the secondary cell group does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell group is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or, if the secondary cell group is not configured to support beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the primary secondary cell, when the secondary cell group is deactivated, the terminal device stops TRP-specific beam failure detection in the primary secondary cell.

[0309] Corresponding to the fifteenth embodiment, the processor 2310 may be configured to: configure a secondary cell group (SCG) for a terminal device, in which, if the secondary cell group or a secondary cell (SCell) of the secondary cell group indicates that RLM is supported, the terminal device performs radio link monitoring on the secondary cell when the secondary cell group is deactivated; and / or, if the secondary cell group or a secondary cell of the secondary cell group indicates that beam failure detection is supported and a reference signal for cell beam failure detection is configured for the secondary cell, the terminal device performs beam failure detection of the secondary cell when the secondary cell group is deactivated; and / or, if the secondary cell group or a secondary cell of the secondary cell group indicates that beam failure detection is supported and a reference signal for TRP-specific beam failure detection is configured for the secondary cell, the terminal device performs TRP-specific beam failure detection of the secondary cell when the secondary cell group is deactivated; and / or The processor 2310 may be configured as follows: configure a secondary cell group (SCG) for a terminal device, and if the secondary cell group or a secondary cell (SCell) of the secondary cell group does not indicate that it supports radio link monitoring (RLM), the terminal device stops radio link monitoring in the secondary cell when the secondary cell group is deactivated; and / or if the secondary cell group or a secondary cell of the secondary cell group does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the secondary cell, the terminal device stops beam failure detection in the secondary cell when the secondary cell group is deactivated; and / or if the secondary cell group or a secondary cell of the secondary cell group does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the secondary cell, the terminal device stops TRP-specific beam failure detection in the secondary cell when the secondary cell group is deactivated.

[0310] In another implementation manner, the downlink radio link quality evaluation device may be configured independently of the processor 2310, for example, the downlink radio link quality evaluation device may be configured as a chip connected to the processor 2310, and the function of the downlink radio link quality evaluation device may be realized under the control of the processor 2310.

[0311] As shown in Fig. 23, the network device 2300 may include a transceiver 2340, an antenna 2350, etc., and the functions of these components are the same as in the past, so detailed explanations are omitted here. Note that the network device 2300 does not need to include all the components shown in Fig. 23. The network device 2300 may also include components not shown in Fig. 23, but for this, reference can be made to the prior art.

[0312] As can be seen from the above embodiment, when the network indicates that the SCG supports beam failure detection and a reference signal for cell beam failure detection is configured for the PSCell, the SCG performs beam failure detection for the PSCell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform cell-level beam failure detection, so that the beam quality can be evaluated, and the terminal device can communicate using a beam with good radio link quality to ensure communication quality.

[0313] In addition, when the network indicates that the SCG supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the PSCell, the SCG performs TRP-specific beam failure detection of the PSCell when the SCG is deactivated. Thus, when a beam failure occurs only in one TRP of the PSCell and the other TRP is still available, the terminal device does not stop beam failure detection and start a random access procedure when the SCG is deactivated, thereby avoiding increased energy consumption and improving user experience.

[0314] Also, when the network instructs that the SCG supports radio link monitoring and / or beam failure detection of the secondary cell, the SCG performs radio link monitoring and / or beam failure detection of the secondary cell when the SCG is deactivated. Thus, when the SCG is deactivated, the terminal device can perform radio link monitoring and / or beam failure detection of the secondary cell, and can evaluate the radio link and / or beam quality, so that the terminal device can communicate using a radio link and / or beam with good quality, thereby ensuring communication quality. EXAMPLES

[0315] In an embodiment of the present invention, a communication system is provided, which includes the terminal device according to embodiment 16 and / or the network device according to embodiment 17. For specific contents, reference can be made to the descriptions in embodiment 16 and embodiment 17.

[0316] For example, the configuration of the communication system can be seen in FIG. 2. As shown in FIG. 2, the communication system 100 includes a network device 101 and a terminal device 102, and the terminal device 102 may be the same as the terminal device described in Example 16, and / or the network device 101 may be the same as the network device described in Example 17, but redundant description will be omitted here.

[0317] The above-mentioned devices and methods may be realized by software or hardware, or may be realized by a combination of hardware and software. The present invention further relates to a computer-readable program, which, when executed by a logic component, causes the logic component to realize the above-mentioned device or component, or causes the logic component to realize each of the above-mentioned methods or steps. The logic component may be, for example, a Field Programmable Gate Array (FPGA), a microprocessor, a processor for use in a computer, etc. The present invention also relates to a storage medium, such as a hard disk, a magnetic disk, an optical hard disk, a DVD, a flash memory, etc., storing the above-mentioned program.

[0318] Additionally, one or more combinations of the functional blocks illustrated in the figures and / or one or more combinations of the functional blocks may be implemented as a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic component, a discrete gate or transistor logic component, a discrete hardware assembly, or any other suitable combination for performing the functions described herein. Also, one or more combinations of the functional blocks illustrated in the figures and / or one or more combinations of the functional blocks may be further configured as a combination of computing devices, such as a combination of a DSP and a microprocessor, a combination of multiple microprocessors, one or more microprocessors in communication with a DSP, or any other configuration.

[0319] Although the preferred embodiments of the present invention have been described above, the present invention is not limited to such embodiments, and any modifications to the present invention fall within the technical scope of the present invention as long as they do not depart from the spirit of the present invention.

[0320] In addition, the following additional notes will be added to the above-mentioned embodiments.

[0321] (Appendix 1) (Appendix 1) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a terminal device, The apparatus includes a first configuration unit, which configures a secondary cell group (SCG); Wherein, if the secondary cell set is configured by the network to support radio link monitoring (RLM), when the secondary cell set is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or When the secondary cell set is configured by the network to support beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or When the secondary cell set is configured by the network to support beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal equipment performs TRP-specific beam failure detection of the primary secondary cell.

[0322] (Appendix 2) 2. The apparatus of claim 1, An apparatus for instructing, by a common setting or a separate setting, to support radio link monitoring upon deactivation of the secondary cell set or whether to support radio link monitoring upon deactivation of the secondary cell set, and / or to support beam failure detection upon deactivation of the secondary cell set or whether to support beam failure detection upon deactivation of the secondary cell set.

[0323] (Appendix 3) 3. The apparatus of claim 2, An apparatus, wherein the common setting, when used to set deactivation of an SCG, instructs a terminal device to perform radio link monitoring and / or beam failure detection, or instructs whether the terminal device performs radio link monitoring and / or beam failure detection, the beam failure detection including cell beam failure detection or TRP-specific beam failure detection.

[0324] (Appendix 4) 3. The apparatus of claim 2, The single setting includes at least one of the following: When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell, or instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring in a primary secondary cell or instructing the terminal device to perform radio link monitoring in a primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell, or instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell, or instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell; and An apparatus that, when used to set deactivation of the secondary cell set, instructs a terminal device to perform TRP-specific beam failure detection on a primary secondary cell, or instructs the terminal device to perform TRP-specific beam failure detection on a primary secondary cell.

[0325] (Appendix 5) 5. The apparatus according to claim 2, further comprising: An apparatus, wherein the configuration indicating whether or not radio link monitoring (RLM) and / or beam failure detection is supported is included in a cell group configuration (CellGroupConfig) IE.

[0326] (Appendix 6) 6. The apparatus according to claim 1, further comprising: A device, wherein the setting indicating support for radio link monitoring (RLM) and beam failure detection is BOOLEAN data or ENUMERATED data.

[0327] (Appendix 7) 2. The apparatus of claim 1, For the secondary cell set to be configured, when activation of the secondary cell set is indicated by an upper layer, a MAC entity may use at least one of the following secondary cell set activation operations, namely: Primary secondary cell activation; SRS transmission on primary secondary cell; CSI reporting in primary secondary cells; PDCCH monitoring on primary secondary cells; PUCCH transmission on primary secondary cell; performing random access on the primary secondary cell when triggered; and The apparatus is configured to initialize Bj of each logical channel associated with the primary secondary cell to 0.

[0328] (Appendix 8) 2. The apparatus of claim 1, For the secondary cell set configured, when deactivation of the secondary cell set is indicated by higher layers, a MAC entity may perform at least one of the following: deactivating all secondary cells (SCells) of the configured secondary cell set; Deactivation of the primary secondary cell; and A reset of the MAC device.

[0329] (Appendix 9) 9. The apparatus of claim 8, further comprising: The MAC reset includes at least one of the following: Stopping all running timers other than the first timer or stopping all running timers; Stopping a running random access procedure; Clear Msg3 buffer; Clear MSGA buffer; Cancellation of a triggered Beam Failure Recovery (BFR); and A device which resets a first counter.

[0330] (Appendix 10) 10. The apparatus of claim 9, further comprising: Stopping all running timers other than the first timer or stopping all running timers includes: When the secondary cell set is indicated by the network as supporting radio link monitoring and / or beam failure detection and a reference signal for cell beam failure detection is configured for a primary secondary cell of the secondary cell set, stopping all other running timers other than a first timer, the first timer including a TA timer and a beam failure detection timer associated with the primary secondary cell; and / or An apparatus, comprising: when the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured for a primary secondary cell of the secondary cell set, the apparatus stops all other running timers other than a first timer, the first timer including a TA timer and a beam failure detection timer associated with the primary secondary cell or a beam failure detection timer dedicated to each TRP of the primary secondary cell.

[0331] (Appendix 11) 10. The apparatus of claim 9, further comprising: Cancellation of the triggered beam failure recovery includes at least one of the following: Cancellation of triggered beam failure recovery of primary secondary cells; Cancellation of triggered beam failure recovery of one BFD-RS pair of primary-secondary cells; Not canceling a triggered beam failure recovery of one BFD-RS pair of a primary-secondary cell; and A device that detects beam failure of one BFD-RS pair of a primary secondary cell.

[0332] (Appendix 12) 12. The apparatus of claim 9 or 11, When the secondary cell set is indicated by a network to support radio link monitoring and / or beam failure detection and a TRP-specific reference signal for beam failure detection is configured for a primary secondary cell of the secondary cell set, the apparatus does not cancel a triggered beam failure recovery of one BFD-RS set of the primary secondary cell and / or stops beam failure detection of one BFD-RS set of the primary secondary cell.

[0333] (Appendix 13) 12. The apparatus of claim 9 or 11, When the secondary cell set is indicated by a network to support radio link monitoring and / or beam failure detection, a reference signal for TRP-dedicated beam failure detection is configured for a primary secondary cell of the secondary cell set, and beam failure recovery of only one BFD-RS set of the primary secondary cell is triggered, the device does not cancel the triggered beam failure recovery of the BFD-RS set of the primary secondary cell and / or stops beam failure detection of the BFD-RS set of the primary secondary cell.

[0334] (Appendix 14) 2. The apparatus of claim 1, Performing radio link monitoring in the primary secondary cell (PSCell) includes: An apparatus, in which, when configured by a network to perform radio link monitoring in an inactive primary secondary cell, a terminal device performs radio link monitoring in a BWP other than an active DL BWP.

[0335] (Appendix 15) 15. The apparatus of claim 14, further comprising: A device in which, when configured by a network to perform radio link monitoring in an inactive primary secondary cell, and when a radio link failure is not detected in the primary secondary cell or a secondary cell set in which the primary secondary cell is located, the terminal device performs radio link monitoring in a BWP other than an active DL BWP.

[0336] (Appendix 16) 2. The apparatus of claim 1, When a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, performing TRP-specific beam failure detection of the primary secondary cell when the secondary cell set is deactivated includes at least one of the following: During a deactivation period of the secondary cell set, when a beam failure of one BFD-RS set in the primary secondary cell is detected, the terminal device stops detecting a beam failure of the BFD-RS set; During a deactivation period of the secondary cell set, when a reference signal of one BFD-RS set of the primary secondary cell is reconfigured, the terminal device recovers beam failure detection of the BFD-RS set; During the deactivation period of the secondary cell pair, when all beam failure recovery of the two BFD-RS pairs in the primary secondary cell have been triggered and not successfully completed, if the MAC layer has not indicated a beam failure to the upper layer since the secondary cell pair was deactivated, the MAC layer indicates a beam failure to the upper layer; and When receiving an activation command for the secondary cell set from the network, if beam failures of two BFD-RS sets in the primary secondary cell are all detected, the terminal equipment performs a random access procedure for the secondary cell set.

[0337] (Appendix 17) 2. The apparatus of claim 1, Performing beam failure detection of the primary secondary cell includes: An apparatus in which, for each serving cell for which beam failure detection is set, when a first counter is greater than or equal to a predetermined threshold, a MAC entity indicates to a higher layer a beam failure of the primary secondary cell when the serving cell is the primary secondary cell, the secondary cell set is inactive, and the beam failure of the primary secondary cell has not been indicated to a higher layer since the secondary cell set was deactivated.

[0338] (Appendix 18) 18. The apparatus of claim 17, further comprising: Performing beam failure detection of the primary secondary cell further includes: A device in which, when the network does not set the first parameter or receives an instruction from the MAC layer, the terminal equipment instructs lower layers to stop beam failure detection in the primary secondary cell.

[0339] (Appendix 19) 19. The apparatus of claim 18, further comprising: The device, wherein the lower layer is a MAC layer or a physical layer or an RF chain.

[0340] (Appendix 20) 18. The apparatus of claim 17, further comprising: Performing beam failure detection of the primary secondary cell further includes: An apparatus in which the MAC entity instructs a lower layer of beam failure of the primary secondary cell or instructs the lower layer to stop beam failure detection in the primary secondary cell.

[0341] (Appendix 21) 21. The apparatus of claim 20, further comprising: The lower layer is a physical layer or an RF chain.

[0342] (Appendix 22) 17. The apparatus of claim 1 or 16, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of two BFD-RS sets of a special cell has been triggered and has not been completed successfully; An apparatus in which a MAC entity instructs a higher layer of beam failure of the primary secondary cell when the serving cell is the primary secondary cell, the secondary cell set in which the special cell is located is inactive, and the secondary cell set has not been instructed to a higher layer of beam failure of the primary secondary cell since it was deactivated.

[0343] (Appendix 23) 23. The apparatus of claim 22, further comprising: Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: A device in which, when the network does not set the first parameter or receives an instruction from the MAC layer, the terminal equipment instructs lower layers to stop beam failure detection in the primary secondary cell.

[0344] (Appendix 24) 24. The apparatus of claim 23, The lower layer is a MAC layer or a physical layer or an RF chain.

[0345] (Appendix 25) 24. The apparatus of claim 23, Performing beam failure detection of the primary secondary cell further includes: An apparatus in which the MAC entity instructs a lower layer of beam failure of the primary secondary cell or instructs the lower layer to stop beam failure detection in the primary secondary cell.

[0346] (Appendix 26) 26. The apparatus of claim 25, The lower layer is a physical layer or an RF chain.

[0347] (Appendix 27) 23. The apparatus of claim 22, further comprising: Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of two BFD-RS sets of a special cell has been triggered and has not been completed successfully; When the serving cell is not the primary secondary cell, or the secondary cell set in which the special cell is located is not inactive, or the secondary cell set has already been deactivated and has instructed a higher layer of beam failure of the primary secondary cell, the device.

[0348] (Appendix 28) 17. The apparatus of claim 1 or 16, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, When the serving cell is the primary secondary cell and the secondary cell set is inactive, a MAC entity indicates to a higher layer a beam failure of the BFD-RS set of the primary secondary cell.

[0349] (Appendix 29) 29. The apparatus of claim 28, further comprising: Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When receiving the instruction, the terminal equipment instructs lower layers to stop beam failure detection of the BFD-RS set in the primary secondary cell.

[0350] (Appendix 30) 29. The apparatus of claim 29, The lower layer is a MAC layer or a physical layer or an RF chain.

[0351] (Appendix 31) 29. The apparatus of claim 28, further comprising: Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, When the serving cell is the primary secondary cell and the secondary cell set is inactive, a MAC entity instructs a lower layer of beam failure of the BFD-RS set of the primary secondary cell, or instructs the primary secondary cell to stop beam failure detection of the BFD-RS set at the primary secondary cell.

[0352] (Appendix 32) 32. The apparatus of claim 31, The lower layer is a physical layer or an RF chain.

[0353] (Appendix 33) 17. The apparatus of claim 1 or 16, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, When the serving cell is not the primary secondary cell or the secondary cell set is not inactive, the MAC entity instructs a multiplexing and assembly procedure to generate an Enhanced BFR MAC CE or trigger an SR.

[0354] (Appendix 34) 16. The apparatus of claim 1, further comprising: The stopping of the beam failure detection includes: The MAC entity or lower layer stops beam fail detection, and / or The beam fail detection recovery includes: The MAC entity or lower layer recovers from beam failure detection in the device.

[0355] (Appendix 35) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a terminal device, The apparatus includes a second configuration unit, which configures a secondary cell group (SCG). Wherein, if the secondary cell pair is not indicated by the network as supporting radio link monitoring (RLM), when the secondary cell pair is deactivated, the terminal device stops radio link monitoring in the primary secondary cell (PSCell); and / or If the secondary cell set is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or An apparatus in which, when the secondary cell set is not configured by the network to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal equipment stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0356] (Appendix 36) 36. The apparatus of claim 35, For the secondary cell set to be configured, when activation of the secondary cell set is indicated by an upper layer, a MAC entity may use at least one of the following secondary cell set activation operations, namely: Primary secondary cell activation; SRS transmission on primary secondary cell; CSI reporting in primary secondary cells; PDCCH monitoring on primary secondary cells; PUCCH transmission on primary secondary cell; performing random access on the primary secondary cell when triggered; and The apparatus is configured to initialize Bj of each logical channel associated with the primary secondary cell to 0.

[0357] (Appendix 37) 36. The apparatus of claim 35, For the secondary cell set configured, when deactivation of the secondary cell set is indicated by higher layers, a MAC entity may perform at least one of the following: deactivating all secondary cells (SCells) of the configured secondary cell set; Deactivation of the primary secondary cell; and A reset of the MAC device.

[0358] (Appendix 38) 38. The apparatus of claim 37, further comprising: The MAC reset includes at least one of the following: Stopping all running timers other than the first timer or stopping all running timers; Stopping a running random access procedure; Clear Msg3 buffer; Clear MSGA buffer; Cancellation of a triggered Beam Failure Recovery (BFR); and A device which resets a first counter.

[0359] (Appendix 39) 39. The apparatus of claim 38, further comprising: The resetting of the first counter includes: resetting the first counter associated with the primary secondary cell when the secondary cell set is not configured by the network to support beam failure detection and a TRP-specific reference signal for beam failure detection is not configured; and / or A device for resetting the first counter associated with the primary secondary cell or each BFD-RS pair of the primary secondary cell when the secondary cell pair is not configured by the network to support beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured.

[0360] (Appendix 40) 40. The apparatus according to any one of claims 35-39, comprising: The stopping of the beam failure detection includes: the MAC entity or a lower layer stopping the beam failure detection; and / or The beam failure detection recovery includes: a MAC entity or a lower layer recovers beam failure detection, the device.

[0361] (Appendix 41) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a terminal device, The apparatus includes a third configuration unit, which configures a secondary cell group (SCG); Wherein, when the secondary cell set or a secondary cell (SCell) of the secondary cell set is instructed by the network to support radio link monitoring (RLM), when the secondary cell set is deactivated, the terminal device performs radio link monitoring on the secondary cell; and / or When the secondary cell set or a secondary cell of the secondary cell set is indicated by the network as supporting beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection on the secondary cell; and / or When the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the secondary cell, when the secondary cell set is deactivated, the terminal equipment performs TRP-specific beam failure detection of the secondary cell.

[0362] (Appendix 42) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a terminal device, The apparatus includes a fourth configuration unit, which configures a secondary cell group (SCG); Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set is not indicated by the network as supporting radio link monitoring (RLM), when the secondary cell set is deactivated, the terminal device stops radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the secondary cell; and / or When the network does not indicate that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection, or a reference signal for TRP-specific beam failure detection is not configured for the secondary cell, when the secondary cell set is deactivated, the terminal equipment stops TRP-specific beam failure detection in the secondary cell.

[0363] (Appendix 43) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a terminal device, Among them, for each serving cell for which beam failure detection is set, when a first counter is greater than or equal to a predetermined threshold, the MAC entity instructs a higher layer of beam failure of the primary secondary cell when the serving cell is a primary secondary cell, the secondary cell set is inactive, and the beam failure of the primary secondary cell has not been instructed to a higher layer since the secondary cell set was deactivated.

[0364] (Appendix 44) 44. The apparatus of claim 43, further comprising: A device in which, when the network does not set the first parameter or receives an instruction from the MAC layer, the terminal equipment instructs lower layers to stop beam failure detection in the primary secondary cell.

[0365] (Appendix 45) 45. The apparatus of claim 44, further comprising: The device, wherein the lower layer is a MAC layer or a physical layer or an RF chain.

[0366] (Appendix 46) 44. The apparatus of claim 43, further comprising: The MAC entity further instructs a lower layer of beam failure of the primary secondary cell or instructs the lower layer to stop beam failure detection on the primary secondary cell.

[0367] (Appendix 47) 47. The apparatus of claim 46, further comprising: The lower layer is a physical layer or an RF chain.

[0368] (Appendix 48) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a network device, The apparatus includes a fifth setting unit, which sets a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell pair indicates that radio link monitoring (RLM) is supported, when the secondary cell pair is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or If the secondary cell set indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or When the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal equipment performs TRP-specific beam failure detection of the primary secondary cell.

[0369] (Appendix 49) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a network device, The apparatus includes a sixth setting unit, which sets a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell pair does not indicate that it supports radio link monitoring (RLM), when the secondary cell pair is deactivated, the terminal device stops radio link monitoring in the primary secondary cell (PSCell); and / or If the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or When the secondary cell set is not configured to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal equipment stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0370] (Appendix 50) 50. The apparatus of claim 48 or 49, An apparatus for instructing, by a common setting or a separate setting, to support radio link monitoring upon deactivation of the secondary cell set or whether to support radio link monitoring upon deactivation of the secondary cell set, and / or to support beam failure detection upon deactivation of the secondary cell set or whether to support beam failure detection upon deactivation of the secondary cell set.

[0371] (Appendix 51) 51. The apparatus of claim 50, further comprising: An apparatus, wherein the common setting, when used to set deactivation of an SCG, instructs a terminal device to perform radio link monitoring and / or beam failure detection, or instructs whether the terminal device performs radio link monitoring and / or beam failure detection, the beam failure detection including cell beam failure detection or TRP-specific beam failure detection.

[0372] (Appendix 52) 51. The apparatus of claim 50, further comprising: The single setting includes at least one of the following: When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell, or instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring in a primary secondary cell or instructing the terminal device to perform radio link monitoring in a primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell, or instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell, or instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell; and An apparatus that, when used to set deactivation of the secondary cell set, instructs a terminal device to perform TRP-specific beam failure detection on a primary secondary cell, or instructs the terminal device to perform TRP-specific beam failure detection on a primary secondary cell.

[0373] (Appendix 53) 53. The apparatus of any one of claims 50-52, further comprising: An apparatus, wherein the configuration indicating whether or not radio link monitoring (RLM) and / or beam failure detection is supported is included in a cell group configuration (CellGroupConfig) IE.

[0374] (Appendix 54) 54. The apparatus of claim 48, further comprising: A device, wherein the setting indicating support for radio link monitoring (RLM) and beam failure detection is BOOLEAN data or ENUMERATED data.

[0375] (Appendix 55) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a network device, The apparatus includes a seventh setting unit, which sets a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set indicates that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device performs radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set indicates that beam failure detection is supported and configures a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection in the secondary cell; and / or When the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal equipment performs TRP-specific beam failure detection of the secondary cell.

[0376] (Appendix 56) An apparatus for evaluating downlink radio link quality, comprising: The device is used in a network device, The apparatus includes an eighth setting unit, which sets a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set does not indicate that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device stops radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the secondary cell; and / or When the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the secondary cell, the terminal equipment stops TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

[0377] (Appendix 57) A terminal device, The terminal device includes an apparatus as described in any one of Supplementary Notes 1-47.

[0378] (Appendix 58) A network device, The network device includes a device according to any one of claims 48-56.

[0379] (Appendix 59) 1. A communication system comprising: The communication system includes a terminal device according to claim 57 and / or a network device according to claim 58.

[0380] (Appendix 2) (Appendix 1) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a terminal device, The method includes: Configure the Secondary Cell Group (SCG); performing radio link monitoring on a primary secondary cell (PSCell) when the secondary cell set is deactivated if the secondary cell set is configured by the network to support radio link monitoring (RLM); and / or performing beam failure detection of the primary secondary cell when the secondary cell set is deactivated, if the secondary cell set is configured by the network as supporting beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell; and / or A method for performing TRP-dedicated beam failure detection of the primary secondary cell when the secondary cell set is deactivated, when the secondary cell set is configured by a network to support beam failure detection and a reference signal for TRP-dedicated beam failure detection is configured for the primary secondary cell.

[0381] (Appendix 2) 2. The method according to claim 1, comprising: A method for indicating, by a common setting or a separate setting, supporting radio link monitoring upon deactivation of the secondary cell set or indicating whether to support radio link monitoring upon deactivation of the secondary cell set, and / or supporting beam failure detection upon deactivation of the secondary cell set or indicating whether to support beam failure detection upon deactivation of the secondary cell set.

[0382] (Appendix 3) 3. The method according to claim 2, comprising: A method in which the common configuration, when used to set deactivation of an SCG, instructs a terminal device to perform radio link monitoring and / or beam failure detection, or instructs whether the terminal device performs radio link monitoring and / or beam failure detection, the beam failure detection including cell beam failure detection or TRP-specific beam failure detection.

[0383] (Appendix 4) 3. The method according to claim 2, comprising: The single setting includes at least one of the following: When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell, or instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring in a primary secondary cell or instructing the terminal device to perform radio link monitoring in a primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell, or instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell, or instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell; and A method for instructing a terminal device to perform TRP-specific beam failure detection on a primary secondary cell, or instructing a terminal device to perform TRP-specific beam failure detection on a primary secondary cell, when used to set deactivation of the secondary cell set.

[0384] (Appendix 5) The method according to any one of appendixes 2-4, comprising: A method, wherein the configuration indicating whether or not radio link monitoring (RLM) and / or beam failure detection is supported is included in a cell group configuration (CellGroupConfig) IE.

[0385] (Appendix 6) 6. The method according to any one of claims 1 to 5, comprising: A method, wherein the setting indicating support for radio link monitoring (RLM) and beam failure detection is BOOLEAN data or ENUMERATED data.

[0386] (Appendix 7) 2. The method according to claim 1, comprising: For the secondary cell set to be configured, when activation of the secondary cell set is indicated by an upper layer, a MAC entity may use at least one of the following secondary cell set activation operations, namely: Primary secondary cell activation; SRS transmission on primary secondary cell; CSI reporting in primary secondary cells; PDCCH monitoring on primary secondary cells; PUCCH transmission on primary secondary cell; performing random access on the primary secondary cell when triggered; and and initializing Bj for each logical channel associated with the primary secondary cell to 0.

[0387] (Appendix 8) 2. The method according to claim 1, comprising: For the secondary cell set configured, when deactivation of the secondary cell set is indicated by higher layers, a MAC entity may perform at least one of the following: deactivating all secondary cells (SCells) of the configured secondary cell set; Deactivation of the primary secondary cell; and A method for resetting a MAC.

[0388] (Appendix 9) 9. The method according to claim 8, comprising: The MAC reset includes at least one of the following: Stopping all running timers other than the first timer or stopping all running timers; Stopping a running random access procedure; Clear Msg3 buffer; Clear MSGA buffer; Cancellation of a triggered Beam Failure Recovery (BFR); and The method further comprises resetting a first counter.

[0389] (Appendix 10) 10. The method according to claim 9, Stopping all running timers other than the first timer or stopping all running timers includes: When the secondary cell set is indicated by the network as supporting radio link monitoring and / or beam failure detection and a reference signal for cell beam failure detection is configured for a primary secondary cell of the secondary cell set, stopping all other running timers other than a first timer, the first timer including a TA timer and a beam failure detection timer associated with the primary secondary cell; and / or A method comprising: when the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured for a primary secondary cell of the secondary cell set, stopping all other running timers other than a first timer, the first timer including a TA timer and a beam failure detection timer associated with the primary secondary cell or a beam failure detection timer dedicated to each TRP of the primary secondary cell.

[0390] (Appendix 11) 10. The method according to claim 9, Cancellation of the triggered beam failure recovery includes at least one of the following: Cancellation of triggered beam failure recovery of primary secondary cells; Cancellation of triggered beam failure recovery of one BFD-RS pair of primary-secondary cells; Not canceling a triggered beam failure recovery of one BFD-RS pair of a primary-secondary cell; and A method comprising the step of detecting beam failure of one BFD-RS pair of a primary secondary cell.

[0391] (Appendix 12) 12. The method according to claim 9 or 11, The method includes not canceling a triggered beam failure recovery of one BFD-RS set of the primary secondary cell and / or stopping beam failure detection of one BFD-RS set of the primary secondary cell when the secondary cell set is indicated by a network to support radio link monitoring and / or beam failure detection and a TRP-specific reference signal for beam failure detection is configured for a primary secondary cell of the secondary cell set.

[0392] (Appendix 13) 12. The method according to claim 9 or 11, A method for not canceling a triggered beam failure recovery of the BFD-RS set of the primary secondary cell and / or stopping beam failure detection of the BFD-RS set of the primary secondary cell when the secondary cell set is indicated by a network to support radio link monitoring and / or beam failure detection, a reference signal for TRP-dedicated beam failure detection is configured for a primary secondary cell of the secondary cell set, and beam failure recovery of only one BFD-RS set of the primary secondary cell is triggered.

[0393] (Appendix 14) 2. The method according to claim 1, comprising: Performing radio link monitoring in the primary secondary cell (PSCell) includes: A method in which, when configured by a network to perform radio link monitoring in an inactive primary secondary cell, a terminal device performs radio link monitoring in a BWP other than an active DL BWP.

[0394] (Appendix 15) 15. The method according to claim 14, A method in which, when a network configures a terminal device to perform radio link monitoring in an inactive primary secondary cell, and a radio link failure is not detected in the primary secondary cell or in a secondary cell set in which the primary secondary cell is located, the terminal device performs radio link monitoring in a BWP other than an active DL BWP.

[0395] (Appendix 16) 2. The method according to claim 1, comprising: When a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, performing TRP-specific beam failure detection of the primary secondary cell when the secondary cell set is deactivated includes at least one of the following: During a deactivation period of the secondary cell set, when a beam failure of one BFD-RS set in the primary secondary cell is detected, the terminal device stops detecting a beam failure of the BFD-RS set; During a deactivation period of the secondary cell set, when a reference signal of one BFD-RS set of the primary secondary cell is reconfigured, the terminal device recovers beam failure detection of the BFD-RS set; During the deactivation period of the secondary cell pair, when all beam failure recovery of the two BFD-RS pairs in the primary secondary cell have been triggered and not successfully completed, if the MAC layer has not indicated a beam failure to the upper layer since the secondary cell pair was deactivated, the MAC layer indicates a beam failure to the upper layer; and The method of the present invention, wherein when receiving an activation command for the secondary cell set from a network, if beam failures of two BFD-RS sets in the primary secondary cell are all detected, the terminal equipment performs a random access procedure for the secondary cell set.

[0396] (Appendix 17) 2. The method according to claim 1, comprising: Performing beam failure detection of the primary secondary cell includes: A method in which, for each serving cell for which beam failure detection is set, when a first counter is greater than or equal to a predetermined threshold, a MAC entity indicates to a higher layer a beam failure of the primary secondary cell if the serving cell is the primary secondary cell, the secondary cell set is inactive, and the MAC entity has not indicated a beam failure of the primary secondary cell to a higher layer since the secondary cell set was deactivated.

[0397] (Appendix 18) 18. The method according to claim 17, comprising: Performing beam failure detection of the primary secondary cell further includes: A method in which, when the network does not set the first parameter or receives an instruction from the MAC layer, the terminal equipment instructs a lower layer to stop beam failure detection in the primary secondary cell.

[0398] (Appendix 19) 19. The method according to claim 18, comprising: A method, wherein the lower layer is a MAC layer or a physical layer or an RF chain.

[0399] (Appendix 20) 18. The method according to claim 17, comprising: Performing beam failure detection of the primary secondary cell further includes: A method in which the MAC entity instructs a lower layer of beam failure of the primary secondary cell, or instructs the lower layer to stop beam failure detection in the primary secondary cell.

[0400] (Appendix 21) 21. The method of claim 20, The method, wherein the lower layer is a physical layer or an RF chain.

[0401] (Appendix 22) 17. The method according to claim 1 or 16, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of two BFD-RS sets of a special cell has been triggered and has not been completed successfully; A method in which a MAC entity instructs a higher layer of beam failure of the primary secondary cell when the serving cell is the primary secondary cell, the secondary cell set in which the special cell is located is inactive, and the MAC entity has not instructed a higher layer of beam failure of the primary secondary cell since the secondary cell set was deactivated.

[0402] (Appendix 23) 23. The method of claim 22, Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: A method in which, when the network does not set the first parameter or receives an instruction from the MAC layer, the terminal equipment instructs a lower layer to stop beam failure detection in the primary secondary cell.

[0403] (Appendix 24) 24. The method according to claim 23, comprising: The method, wherein the lower layer is a MAC layer or a physical layer or an RF chain.

[0404] (Appendix 25) 24. The method according to claim 23, comprising: Performing beam failure detection of the primary secondary cell further includes: A method in which a MAC entity indicates a beam failure of the primary secondary cell to a lower layer, or instructs a lower layer to stop detecting beam failure in the primary secondary cell.

[0405] (Appendix 26) 26. The method according to claim 25, The method, wherein the lower layer is a physical layer or an RF chain.

[0406] (Appendix 27) 23. The method of claim 22, Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of two BFD-RS sets of a special cell has been triggered and has not been completed successfully; A method in which a MAC entity initiates a random access procedure in the primary secondary cell when the serving cell is not the primary secondary cell, or when the secondary cell set in which the special cell is located is not inactive, or when the secondary cell set has already been deactivated and has indicated beam failure of the primary secondary cell to a higher layer.

[0407] (Appendix 28) 17. The method according to claim 1 or 16, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, A method in which, when the serving cell is the primary secondary cell and the secondary cell set is inactive, a MAC entity indicates to a higher layer a beam failure of the BFD-RS set of the primary secondary cell.

[0408] (Appendix 29) 29. The method according to claim 28, comprising: Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When receiving the instruction, the terminal device instructs a lower layer to stop beam failure detection of the BFD-RS set in the primary secondary cell.

[0409] (Appendix 30) 29. The method according to claim 29, The method, wherein the lower layer is a MAC layer or a physical layer or an RF chain.

[0410] (Appendix 31) 29. The method according to claim 28, comprising: Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, A method in which, when the serving cell is the primary secondary cell and the secondary cell set is inactive, a MAC entity indicates to a lower layer a beam failure of the BFD-RS set of the primary secondary cell, or instructs the primary secondary cell to stop beam failure detection of the BFD-RS set at the primary secondary cell.

[0411] (Appendix 32) 32. The method according to claim 31, The method, wherein the lower layer is a physical layer or an RF chain.

[0412] (Appendix 33) 17. The method according to claim 1 or 16, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS pairs are configured in a serving cell, if it is determined that, for each BFD-RS pair of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS pair of a primary secondary cell in the beam failure recovery procedure, When the serving cell is not the primary secondary cell or the secondary cell set is not inactive, a MAC entity instructs a multiplexing and assembly procedure to generate an Enhanced BFR MAC CE or trigger an SR.

[0413] (Appendix 34) The method according to any one of claims 16, 18, 20, 23, 25, 29, and 31, comprising: The stopping of the beam failure detection includes: the MAC entity or a lower layer stopping the beam failure detection; and / or The method, wherein the beam failure detection recovery includes: a MAC entity or a lower layer recovers the beam failure detection.

[0414] (Appendix 35) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a terminal device, The method includes: Configure the Secondary Cell Group (SCG); If the secondary cell set is not indicated by the network as supporting radio link monitoring (RLM), stopping radio link monitoring in a primary secondary cell (PSCell) when the secondary cell set is deactivated; and / or If the secondary cell set is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell, stopping beam failure detection in the primary secondary cell when the secondary cell set is deactivated; and / or A method for stopping TRP-dedicated beam failure detection in the primary secondary cell when the secondary cell set is deactivated if the secondary cell set is not configured by the network to support beam failure detection or if a reference signal for TRP-dedicated beam failure detection is not configured for the primary secondary cell.

[0415] (Appendix 36) 36. The method of claim 35, For the secondary cell set to be configured, when activation of the secondary cell set is indicated by an upper layer, a MAC entity may use at least one of the following secondary cell set activation operations, namely: Primary secondary cell activation; SRS transmission on primary secondary cell; CSI reporting in primary secondary cells; PDCCH monitoring on primary secondary cells; PUCCH transmission on primary secondary cell; performing random access on the primary secondary cell when triggered; and and initializing Bj for each logical channel associated with the primary secondary cell to 0.

[0416] (Appendix 37) 36. The method of claim 35, For the secondary cell set configured, when deactivation of the secondary cell set is indicated by higher layers, a MAC entity may perform at least one of the following: deactivating all secondary cells (SCells) of the configured secondary cell set; Deactivation of the primary secondary cell; and A method for resetting a MAC.

[0417] (Appendix 38) 38. The method according to claim 37, comprising: The MAC reset includes at least one of the following: Stopping all running timers other than the first timer or stopping all running timers; Stopping a running random access procedure; Clear Msg3 buffer; Clear MSGA buffer; Cancellation of a triggered Beam Failure Recovery (BFR); and The method further comprises resetting a first counter.

[0418] (Appendix 39) 39. The method according to claim 38, comprising: The resetting of the first counter includes: resetting the first counter associated with the primary secondary cell when the secondary cell set is not configured by the network to support beam failure detection and a TRP-specific reference signal for beam failure detection is not configured; and / or A method for resetting the first counter associated with the primary secondary cell or each BFD-RS pair of the primary secondary cell when the secondary cell pair is not configured by the network to support beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured.

[0419] (Appendix 40) 39. The method according to any one of claims 35-39, comprising: The stopping of the beam failure detection includes: the MAC entity or a lower layer stopping the beam failure detection; and / or The method, wherein the beam failure detection recovery includes: a MAC entity or a lower layer recovers the beam failure detection.

[0420] (Appendix 41) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a terminal device, The method includes: Configure the Secondary Cell Group (SCG); performing radio link monitoring (RLM) on a secondary cell when the secondary cell set is deactivated if the secondary cell set or a secondary cell (SCell) of the secondary cell set is indicated by the network to support RLM; and / or performing beam failure detection of the secondary cell when the secondary cell set is deactivated if the secondary cell set or a secondary cell of the secondary cell set is indicated by the network as supporting beam failure detection and a reference signal for cell beam failure detection is configured for the secondary cell; and / or A method for performing TRP-specific beam failure detection of the secondary cell when the secondary cell set is deactivated, when the network indicates that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the secondary cell.

[0421] (Appendix 42) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a terminal device, The method includes: Configure the Secondary Cell Group (SCG); If the secondary cell set or a secondary cell (SCell) of the secondary cell set is not indicated by the network as supporting Radio Link Monitoring (RLM), stopping Radio Link Monitoring in the secondary cell when the secondary cell set is deactivated; and / or Stopping beam failure detection in the secondary cell when the secondary cell set is deactivated if the secondary cell set or a secondary cell of the secondary cell set is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the secondary cell; and / or A method for stopping TRP-specific beam failure detection in a secondary cell when the secondary cell set is deactivated if the network does not indicate that the secondary cell set or a secondary cell of the secondary cell set supports beam failure detection or if a reference signal for TRP-specific beam failure detection is not configured for the secondary cell.

[0422] (Appendix 43) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a terminal device, The method includes: A method in which, for each serving cell for which beam failure detection is set, a MAC entity indicates to a higher layer a beam failure of the primary secondary cell when a first counter is greater than or equal to a predetermined threshold, the serving cell is a primary secondary cell, the secondary cell set is inactive, and the MAC entity has not indicated a beam failure of the primary secondary cell to a higher layer since the secondary cell set was deactivated.

[0423] (Appendix 44) 44. The method of claim 43, comprising: The method further comprises: A method in which, when the network does not set the first parameter or receives an instruction from the MAC layer, the terminal equipment instructs a lower layer to stop beam failure detection in the primary secondary cell.

[0424] (Appendix 45) 45. The method according to claim 44, A method, wherein the lower layer is a MAC layer or a physical layer or an RF chain.

[0425] (Appendix 46) 44. The method of claim 43, comprising: The method further comprises: A method in which the MAC entity indicates a beam failure of the primary secondary cell to a lower layer, or instructs the lower layer to stop detecting beam failure in the primary secondary cell.

[0426] (Appendix 47) 47. The method of claim 46, The method, wherein the lower layer is a physical layer or an RF chain.

[0427] (Appendix 48) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a network device, The method includes: Configure a secondary cell group (SCG) for the terminal device; Wherein, if the secondary cell pair indicates that radio link monitoring (RLM) is supported, when the secondary cell pair is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or If the secondary cell set indicates that it supports beam failure detection and configures a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or A method in which, when the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the primary secondary cell, the terminal equipment performs TRP-specific beam failure detection of the primary secondary cell when the secondary cell set is deactivated.

[0428] (Appendix 49) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a network device, The method includes: Configure a secondary cell group (SCG) for the terminal device; Wherein, if the secondary cell pair does not indicate that it supports radio link monitoring (RLM), when the secondary cell pair is deactivated, the terminal device stops radio link monitoring in the primary secondary cell (PSCell); and / or If the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or A method in which, when the secondary cell set is not configured to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal equipment stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

[0429] (Appendix 50) 49. The method according to claim 48, A method for indicating, by a common setting or a separate setting, supporting radio link monitoring upon deactivation of the secondary cell set or indicating whether to support radio link monitoring upon deactivation of the secondary cell set, and / or supporting beam failure detection upon deactivation of the secondary cell set or indicating whether to support beam failure detection upon deactivation of the secondary cell set.

[0430] (Appendix 51) 51. The method of claim 50, A method in which the common configuration, when used to set deactivation of an SCG, instructs a terminal device to perform radio link monitoring and / or beam failure detection, or instructs whether the terminal device performs radio link monitoring and / or beam failure detection, the beam failure detection including cell beam failure detection or TRP-specific beam failure detection.

[0431] (Appendix 52) 51. The method of claim 50, The single setting includes at least one of the following: When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell, or instructing the terminal device to perform radio link monitoring and cell beam failure detection in the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform radio link monitoring in a primary secondary cell or instructing the terminal device to perform radio link monitoring in a primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell, or instructing the terminal device to perform cell or TRP-specific beam failure detection on the primary secondary cell; When used to configure the deactivation of the secondary cell set, instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell, or instructing the terminal device to perform beam failure detection of the cell in the primary secondary cell; and A method for instructing a terminal device to perform TRP-specific beam failure detection on a primary secondary cell, or instructing a terminal device to perform TRP-specific beam failure detection on a primary secondary cell, when used to set deactivation of the secondary cell set.

[0432] (Appendix 53) 53. The method according to any one of claims 50-52, comprising: A method, wherein the configuration indicating whether or not radio link monitoring (RLM) and / or beam failure detection is supported is included in a cell group configuration (CellGroupConfig) IE.

[0433] (Appendix 54) The method according to any one of claims 48-53, comprising: A method, wherein the setting indicating support for radio link monitoring (RLM) and beam failure detection is BOOLEAN data or ENUMERATED data.

[0434] (Appendix 55) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a network device, The method includes: Configure a secondary cell group (SCG) for the terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set indicates that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device performs radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set indicates that beam failure detection is supported and configures a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection in the secondary cell; and / or A method in which, when the secondary cell set or a secondary cell of the secondary cell set indicates that it supports beam failure detection and configures a reference signal for TRP-specific beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal equipment performs TRP-specific beam failure detection of the secondary cell.

[0435] (Appendix 56) A method for evaluating a downlink radio link quality, comprising the steps of: The method is used in a network device, The method includes: Configure a secondary cell group (SCG) for the terminal device; Wherein, if the secondary cell set or a secondary cell (SCell) of the secondary cell set does not indicate that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device stops radio link monitoring in the secondary cell; and / or If the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the secondary cell; and / or A method in which, when the secondary cell set or a secondary cell of the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for TRP-specific beam failure detection for the secondary cell, the terminal equipment stops TRP-specific beam failure detection in the secondary cell when the secondary cell set is deactivated.

Claims

1. An apparatus for evaluating downlink radio link quality, comprising: The device is used in a terminal device, The apparatus includes a first configuration unit, which configures a secondary cell group (SCG); Wherein, if the secondary cell set is configured by the network to support radio link monitoring (RLM), when the secondary cell set is deactivated, the terminal device performs radio link monitoring on a primary secondary cell (PSCell); and / or If the secondary cell set is configured by the network to support beam failure detection and a reference signal for cell beam failure detection is configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal device performs beam failure detection of the primary secondary cell; and / or An apparatus, in which, when the secondary cell set is configured by the network to support beam failure detection and a reference signal for TRP-specific beam failure detection is configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal equipment performs beam failure detection dedicated to the TRP of the primary secondary cell.

2. 2. The apparatus of claim 1, An apparatus for instructing, by a common setting or a separate setting, to support radio link monitoring upon deactivation of the secondary cell set or whether to support radio link monitoring upon deactivation of the secondary cell set, and / or to support beam failure detection upon deactivation of the secondary cell set or whether to support beam failure detection upon deactivation of the secondary cell set.

3. 2. The apparatus of claim 1, For the secondary cell set configured, when deactivation of the secondary cell set is indicated by higher layers, a MAC entity may perform at least one of the following: deactivating all secondary cells (SCells) of the configured secondary cell set; Deactivation of the primary secondary cell; and A reset of the MAC of the device.

4. 4. The apparatus of claim 3, The MAC reset includes at least one of the following: Stopping all timers in a run other than the first timer or stopping all timers in a run; Stopping a running random access procedure; Clear Msg3 buffer; Clear MSGA buffer; Cancellation of a triggered Beam Failure Recovery (BFR); and A device which resets a first counter.

5. 5. The apparatus of claim 4, Stopping all running timers other than the first timer or stopping all running timers includes: and / or when the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a reference signal for cell beam failure detection is configured for a primary secondary cell of the secondary cell set, stopping all other running timers other than a first timer, the first timer including a TA timer and a beam failure detection timer associated with the primary secondary cell; and / or An apparatus, comprising: when the network indicates that the secondary cell set supports radio link monitoring and / or beam failure detection and a reference signal for beam failure detection dedicated to a TRP is configured for a primary secondary cell of the secondary cell set, the apparatus stops all other running timers other than a first timer, the first timer including a TA timer and a beam failure detection timer associated with the primary secondary cell or a beam failure detection timer dedicated to each TRP of the primary secondary cell.

6. 5. The apparatus of claim 4, Cancellation of a triggered beam failure recovery includes at least one of the following: Cancellation of triggered beam failure recovery of primary secondary cells; Canceling the triggered beam failure recovery of one BFD-RS set of the primary secondary cell; Not canceling a triggered beam failure recovery of one BFD-RS set of a primary secondary cell; and An apparatus that detects beam failure of one BFD-RS set of a primary secondary cell.

7. 2. The apparatus of claim 1, Performing radio link monitoring in the primary secondary cell (PSCell) includes: An apparatus, wherein when configured by a network to perform radio link monitoring in an inactive primary secondary cell, the terminal device performs radio link monitoring in a BWP other than an active DL BWP.

8. 2. The apparatus of claim 1, Performing beam failure detection of the primary secondary cell includes: An apparatus in which, for each serving cell for which beam failure detection is set, when a first counter is greater than or equal to a predetermined threshold, a MAC entity indicates to a higher layer a beam failure of the primary secondary cell when the serving cell is the primary secondary cell, the secondary cell set is inactive, and the beam failure of the primary secondary cell has not been indicated to a higher layer since the secondary cell set was deactivated.

9. 9. The apparatus of claim 8, Performing beam failure detection of the primary secondary cell further includes: An apparatus in which, when the network does not set the first parameter or receives an instruction from a MAC layer, the terminal equipment instructs lower layers to stop beam failure detection in the primary secondary cell.

10. 9. The apparatus of claim 8, Performing beam failure detection of the primary secondary cell further includes: An apparatus in which the MAC entity instructs a lower layer of beam failure of the primary secondary cell, or instructs the lower layer to stop beam failure detection on the primary secondary cell.

11. 2. The apparatus of claim 1, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of the two BFD-RS sets of the special cell has been triggered and has not been completed successfully, An apparatus in which a MAC entity instructs a higher layer of beam failure of the primary secondary cell when the serving cell is the primary secondary cell, the secondary cell set in which the special cell is located is inactive, and the secondary cell set has not been instructed to a higher layer of beam failure of the primary secondary cell since it was deactivated.

12. 12. The apparatus of claim 11, Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: An apparatus in which, when the network does not set the first parameter or receives an instruction from a MAC layer, the terminal equipment instructs lower layers to stop beam failure detection in the primary secondary cell.

13. 13. The apparatus of claim 12, Performing beam failure detection of the primary secondary cell further includes: An apparatus in which the MAC entity instructs a lower layer of beam failure of the primary secondary cell, or instructs the lower layer to stop beam failure detection on the primary secondary cell.

14. 12. The apparatus of claim 11, Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When two BFD-RS sets are configured in a serving cell, for each BFD-RS set of the serving cell, if beam failure recovery of the two BFD-RS sets of the special cell has been triggered and has not been completed successfully, An apparatus in which a MAC entity initiates a random access procedure in the primary secondary cell when the serving cell is not the primary secondary cell, or when the secondary cell set in which the special cell is located is not inactive, or when the secondary cell set has already been deactivated and has instructed a higher layer to fail the beam of the primary secondary cell.

15. 2. The apparatus of claim 1, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS sets are configured in a serving cell, if it is determined that, for each BFD-RS set of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS set of a primary secondary cell in a beam failure recovery procedure, When the serving cell is the primary secondary cell and the secondary cell set is inactive, a MAC entity indicates beam failure of the BFD-RS set of the primary secondary cell to a higher layer.

16. 16. The apparatus of claim 15, Performing beam failure detection dedicated to the TRP of the primary secondary cell further includes: When two BFD-RS sets are configured in a serving cell, if it is determined that, for each BFD-RS set of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS set of a primary secondary cell in a beam failure recovery procedure, An apparatus in which, when the serving cell is the primary secondary cell and the secondary cell set is inactive, a MAC entity instructs a lower layer of beam failure of the BFD-RS set of the primary secondary cell, or instructs the primary secondary cell to stop beam failure detection of the BFD-RS set in the primary secondary cell.

17. 2. The apparatus of claim 1, Performing beam failure detection dedicated to the TRP of the primary secondary cell includes: When two BFD-RS sets are configured in a serving cell, if it is determined that, for each BFD-RS set of the serving cell, at least one beam failure recovery has already been triggered and not canceled for only one BFD-RS set of a primary secondary cell in a beam failure recovery procedure, When the serving cell is not the primary secondary cell or the secondary cell set is not inactive, the MAC entity instructs a multiplexing and assembly procedure to generate an Enhanced BFR MAC CE or trigger an SR.

18. An apparatus for evaluating downlink radio link quality, comprising: The device is used in a terminal device, The apparatus includes a second configuration unit, which configures a secondary cell group (SCG); Wherein, if the secondary cell set is not indicated by the network as supporting radio link monitoring (RLM), the terminal device stops radio link monitoring in the primary secondary cell (PSCell) when the secondary cell set is deactivated; and / or If the secondary cell set is not indicated by the network as supporting beam failure detection or a reference signal for cell beam failure detection is not configured for the primary secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or An apparatus in which, when the secondary cell set is not configured by the network to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal equipment stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

19. An apparatus for evaluating downlink radio link quality, comprising: The device is used in a network device, The apparatus includes a sixth setting unit, which sets a secondary cell group (SCG) for a terminal device; Wherein, if the secondary cell set does not indicate that radio link monitoring (RLM) is supported, when the secondary cell set is deactivated, the terminal device stops radio link monitoring in the primary secondary cell (PSCell); and / or If the secondary cell set does not indicate that it supports beam failure detection or does not configure a reference signal for cell beam failure detection for the primary secondary cell, when the secondary cell set is deactivated, the terminal device stops beam failure detection in the primary secondary cell; and / or An apparatus in which, when the secondary cell set is not configured to support beam failure detection or a reference signal for TRP-specific beam failure detection is not configured for the primary secondary cell, the terminal equipment stops TRP-specific beam failure detection in the primary secondary cell when the secondary cell set is deactivated.

20. 20. The apparatus of claim 19, An apparatus for instructing, by a common setting or a separate setting, to support radio link monitoring upon deactivation of the secondary cell set or whether to support radio link monitoring upon deactivation of the secondary cell set, and / or to support beam failure detection upon deactivation of the secondary cell set or whether to support beam failure detection upon deactivation of the secondary cell set.

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