Method, device and terminal for measuring candidate beams

By defining a time frame for candidate beam measurements, the terminal efficiently measures and reports accurate results, addressing power consumption and recovery delays in beam failure scenarios.

JP7603146B2Active Publication Date: 2024-12-19VIVO MOBILE COMM CO LTD
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Patent Information

Application Number
JP2023511638
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2020-08-14
Filing Date
2021-08-11
Publication Date
2024-12-19
Estimated Expiration
2041-08-11

AI Technical Summary

Technical Problem

Existing protocols do not specify the time for candidate beam measurements by the terminal, leading to increased power consumption and potential inability to report optimal candidate beam measurements due to incomplete measurements when beam failures occur.

Method used

The terminal measures candidate beams within a predetermined period after receiving placement information and reports accurate measurement results or prohibits reporting based on measurement outcomes, ensuring timely and efficient beam recovery.

Benefits of technology

This approach reduces power consumption and ensures accurate reporting of candidate beam measurements, enhancing beam failure recovery performance and reducing delays.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This application discloses a method, device and terminal for measuring candidate beams, which belong to the technical field of communication, and includes the steps of: a terminal measuring candidate beams within a predetermined period after receiving configuration information, the configuration information including configuration information of reference signals of the candidate beams; and the terminal reporting first indication information to a network side device according to a measurement result, or prohibiting reporting of the first indication information, where the first indication information is for indicating the measurement result.
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Description

[Technical field]

[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This application claims priority to a Chinese patent application with application number No. 202010820248.8 filed in China on August 14, 2020, the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the technical field of communications, and in particular to a method, an apparatus and a terminal for measuring candidate beams. [Background technology]

[0003] When a beam failure occurs in a secondary cell (SCell), a terminal (User Equipment, UE) reports a beam failure recovery request (BFRQ), i.e., a BFR MAC CE (Medium Access Control Element) to the network side. The terminal reports to the network side an identifier of a candidate beam whose detected quality exceeds a predetermined threshold by including the identifier in the BFR MAC CE. However, in the conventional technology, after the network side configures a reference signal (RS) of a candidate beam by RRC signaling, there is no provision for a specific measurement operation of the UE, such as when to start measurement, and the following problems occur. 1) Even when the channel condition is good and no beam failure occurs for a long time, the UE continuously measures the candidate beam, which increases the power consumption of the UE. 2) When a UE starts measurement after determining that a beam failure has occurred in a cell, it may not be able to complete measurement of the candidate beams before uplink resources for transmitting BFR MAC CE arrive, and therefore it may not be able to report the optimal candidate RS ID that meets the quality requirements, or none of the measured candidate beams may meet the quality requirements, making it impossible to find a new beam for beam recovery. Summary of the Invention

[0004] The embodiments of the present application provide a method, device, and terminal for measuring candidate beams that can solve the problem that, because existing protocols do not specify the time for a terminal to measure candidate beams, the terminal may not have completed measurement when the measurement results must be reported, and the terminal cannot report relatively accurate candidate beam measurement results to network side equipment.

[0005] In a first aspect, a method for measuring a candidate beam is provided, the method including: a step of measuring a candidate beam within a predetermined period after a terminal receives configuration information, the configuration information including configuration information of a reference signal of the candidate beam; and a step of the terminal reporting first indication information to a network side device depending on a measurement result, or prohibiting the reporting of the first indication information, wherein the first indication information is for indicating the measurement result.

[0006] In a second aspect, a candidate beam measurement device is provided, comprising: a first measurement module for measuring a candidate beam within a predetermined period after receiving configuration information, where the configuration information includes configuration information of a reference signal of the candidate beam; and a processing module for reporting first instruction information to a network side device depending on a measurement result or prohibiting the reporting of the first instruction information, where the first instruction information is for instructing the measurement result.

[0007] In a third aspect, a terminal is provided comprising a processor, a memory, and a program or command stored in the memory and executable by the processor, and when the program or command is executed by the processor, the steps of the candidate beam measurement method described in the first aspect are realized.

[0008] In a fourth aspect, there is provided a readable storage medium having stored thereon a program or commands which, when executed by a processor, effectuates the steps of the method according to the first aspect.

[0009] In a fifth aspect, there is provided a chip comprising a processor and a communication interface, the communication interface and the processor being coupled together, the processor executing a program or command of a terminal and being used to implement the method according to the first aspect.

[0010] In a sixth aspect, there is provided a computer software product stored on a non-volatile storage medium and arranged to be executed by at least one processor to perform the steps of the method according to the first aspect.

[0011] In a seventh aspect, there is provided a communications device arranged to carry out a method according to the first aspect.

[0012] In the embodiment of the present application, the terminal measures the candidate beam within a predetermined period after receiving the configuration information, i.e., the time of the terminal's candidate beam measurement is clarified, so that the terminal performs the measurement of the candidate beam within the specified period to obtain a true measurement result, and then reports the measurement result or prohibits the reporting of the first indication information. That is, in order to avoid reporting inaccurate information, the terminal does not need to report the first indication information according to the measurement result, or, when the terminal reports the measurement result, reports the first indication information for indicating the measurement result within a predetermined period, i.e., an accurate measurement result is reported. This solves the problem that the terminal cannot report a relatively accurate candidate beam measurement result to the network side device because the time of the terminal's candidate beam measurement by the terminal is not specified in the existing protocol, and the terminal may not have completed the measurement when the measurement result must be reported. [Brief description of the drawings]

[0013] [Figure 1] 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied. [Diagram 2] FIG. 1 is a flow chart of a method for measuring candidate beams in an embodiment of the present application. [Diagram 3]1 is a structural schematic diagram of a candidate beam measurement device according to an embodiment of the present application; [Figure 4] FIG. 2 is a structural schematic diagram of a communication device according to an embodiment of the present application; [Diagram 5] FIG. 2 is a hardware structure schematic diagram of a terminal for implementing an embodiment of the present application; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] Hereinafter, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is to be understood that the described embodiments are only a part of the embodiments of the present application, and are not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without any creative efforts shall fall within the scope of protection of the present application.

[0015] The terms "first", "second", etc. in the specification and claims of the present application are not intended to describe a particular order or sequence, but are intended to distinguish between similar objects. It should be understood that the terms used in this manner may be substituted for each other where appropriate, so that the embodiments of the present application may be performed in an order other than that shown or described herein, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited, for example, the first object may be one or more. In the specification and claims, "and / or" refers to at least one of the objects connected, and the symbol " / " generally refers to the related objects before and after being in an "or" relationship.

[0016] It should be noted that the technology described in the embodiments of the present application is not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, and is also applicable to other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application may often be used interchangeably. The described technology may be used for the above-mentioned systems and radio technologies, as well as other systems and radio technologies. However, in the following description, a New Radio (NR) system will be described for illustrative purposes, and NR terminology will be used in much of the following description, but these techniques may also be applied to systems other than NR systems, such as 6th generation (6G) systems. th It is also applicable to 6G (Generation, 6G) communication systems.

[0017] For ease of understanding, the following describes some aspects of the present invention.

[0018] 1. Beam Failure Recovery (BFR) Mechanism In high-frequency band communication systems, the wavelength of radio signals is short, so signal propagation is easily obstructed, leading to signal interruptions. Since using radio link reestablishment takes a long time, the PCell (Primary Cell) BFR mechanism and the SCell (Secondary Cell) BFR mechanism are introduced.

[0019] SCell BFR is primarily intended for multi-carrier scenarios (which may be understood as Carrier Aggregation (CA) with multiple carriers, or multiple Component Carriers (CC), or multiple cells), in which there is one primary cell (e.g., a PCell in a Primary Cell Group (MCG) or a Primary Secondary Cell (PSCell) in a Secondary Cell Group (SCG)) and at least one SCell.

[0020] 2. Beam Failure Detection (BFD) 1) BFD is performed for each SCell, that is, the BFD reference signal RS is measured, and BFD parameter configuration is performed per BWP per cell, which may be specifically as described in 1 and 2 below. 1:procedure on BFD for each BFI; 2:interval for BFI and corresponding parameter. ie beamFailureInstanceMaxCount.

[0021] 2) The BFD RS (Reference Signal) may satisfy at least one of the following quantities: explicit configuration, implicit configuration, and BFD BLER threshold. In terms of quantity, each BWP may correspond to up to two BFD RS. As an explicit placement, the BFD RS is located at the current CC. As an implicit configuration, the BFD RS can be located in the active Bandwidth Part (BWP) on the current CC or other CCs (if more than two CORESETs are configured, the UE implementation selects the BFD RS(s) based on the RS configured in the TCI state of the Control resource set (CORESET) of the active BWP of the current CC). The BFD BLER threshold is the default value of rlmInSyncOutOfSyncThreshold.

[0022] 3. Candidate beam i) Placement 1) If an SCell BFR is configured, a candidate beam RS must be configured. 2) Each BWP has a maximum of 64 candidate beam RSs. 3) The candidate beam RS may be based on SSB and CSI-RS for beam management. 4) A candidate beam RS may be located on the active BWP of a CC listening to the BFD RS or of another CC on the same band.

[0023] ii) Threshold 1) The threshold range for candidate beam identification is based on the range specified in RSRP-Range. 2) When an SCell BFR is configured and a candidate beam RS is configured, the threshold value of the candidate beam RS is always configured. 3) When one SCell fails, if there is no candidate beam RS with L1-RSRP higher than the configured threshold, the UE reports that no candidate beam is recognized on that SCell.

[0024] 4. Beam failure recovery request (BFRQ) i) Procedure If there are uplink resources available for the new transmission, the BFR MAC CE is transmitted on the uplink resources. Furthermore, if a PUCCH-BFR (also called a link recovery request (LRR)) is configured, the PUCCH-BFR is transmitted to request uplink resources. Furthermore, if the PUCCH-BFR is not configured or the maximum number of transmissions of the PUCCH-BFR is reached, the UE triggers a process similar to the Random Access Channel (RACH) in 3GPP Release 15 (contention-based random access (CBRA) on the PCell).

[0025] ii) PUCCH-BFR placement 1) PUCCH-BFR is placed in PCell / PSCell. 2) When a PUCCH group is configured, a PUCCH-BFR can be configured on a PUCCH-SCell. 3) For one UE, in each PUCCH group, a maximum of one PUCCH-BFR resource is configured for one BWP. 4) It may be placed in PUCCH format 0 or PUCCH format 1.

[0026] iii) BFR MAC CE 1) Uplink grants from any serving cell can be used. 2) Report the failed CC index + new candidate beam index, and report only one beam index for one SCell.

[0027] 5. Beam failure recovery response (BFRR) i) The DCI format of the PDCCH that scheduled the PUSCH uses the same HARQ process number as the PUSCH equipped with the BFR MAC CE.

[0028] ii) Once the UE receives the BFRR, the BFR process is considered to be completed. The response to the PUCCH-BFR may be a general uplink grant carrying the Cell Radio Network Temporary Identifier (C-RNTI) / Modulation and coding scheme Cell Radio Network Temporary Identifier (MCS-C-RNTI).

[0029] iii) Other channel beam reset The UE may perform at least one of the following 1), 2), and 3) K=28 symbols after receiving the BFRR. 1) When listening to the PDCCHs of all CORESETs on the SCell indicated by the MAC CE, a new beam is used. 2) For PUCCH, if (PUCCH-spatialRelationInfo is placed) & (PUCCH with LRR is not transmitted or is transmitted on a PCell or PSCell) & (SCell indicated by MAC CE includes PUCCH-SCell), a new beam is used.

[0030] It should be noted that in the embodiment of the present application, such beam information may be called spatial relation information, spatial domain transmission filter information, spatial filter information, Transmission Configuration Indicator (TCI) status information, Quasi Co-location (QCL) information, or QCL parameters, etc. Downlink beam information can generally be represented using transmission configuration indicator status information or quasi co-location information. Uplink beam information can generally be represented using spatial relation information.

[0031] In addition, the antenna panel according to the embodiments of the present application may be referred to as an antenna group, antenna port group, antenna set, antenna port set, beam set, beam subset, antenna array, antenna port array, antenna subarray, antenna port subarray, logical entity, entity, or antenna entity, etc.

[0032] The panel identifier may be an antenna panel identifier, a reference signal resource identifier, a reference signal resource set identifier, a TCI state identifier, a QCL information identifier, a spatial relationship identifier, or the like.

[0033] FIG. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network side device 12. The terminal 11 may be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a terminal side device such as a mobile phone, a tablet personal computer, a laptop computer also called a notebook computer, a personal digital assistant (PDA), a palmtop computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile Internet device (MID), a wearable device, a vehicle user equipment (VUE), a pedestrian user equipment (PUE), etc., and the wearable device includes a wristband, a headphone, a pair of glasses, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 may be a base station or a core network. The base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a B node, an evolved B node (eNB), a Home B node, a Home Evolved B node, a wireless local area network (WLAN) access point, a wireless fidelity (WiFi) node, a Transmitting Receiving Point (TRP), or any other suitable terminology in the art, and the base station is not limited to a specific technical terminology as long as a similar technical effect can be achieved.It should be noted that in the embodiments of the present application, a base station in an NR system is simply taken as an example, but the specific type of base station is not limited.

[0034] In the following, with reference to the drawings, the candidate beam measurement method provided in the embodiments of the present application will be described in more detail with reference to specific embodiments and their application scenarios.

[0035] An embodiment of the present application provides a method for measuring candidate beams, and FIG. 2 is a flow chart of the method for measuring candidate beams in the embodiment of the present application. As shown in FIG. 2, the steps of the method include the following step S202 and step S204. In step S202, the terminal measures candidate beams within a predetermined period after receiving the configuration information, and the configuration information includes configuration information of the reference signals of the candidate beams. In step S204, the terminal reports first indication information to the network side device according to the measurement result, or prohibits reporting of the first indication information, where the first indication information is for indicating the measurement result.

[0036] Through the above steps S202 and S204, the terminal measures the candidate beam within a predetermined period after receiving the configuration information, i.e., the time of the terminal's candidate beam measurement is clarified, and the terminal performs the measurement of the candidate beam within the specified period to obtain a true measurement result, and then reports the measurement result or prohibits the reporting of the first indication information. That is, in order to avoid reporting inaccurate information, the terminal does not need to report the first indication information according to the measurement result, or, when the terminal reports the measurement result, reports the first indication information for indicating the measurement result within a predetermined period, i.e., an accurate measurement result is reported. This solves the problem that the terminal cannot report a relatively accurate candidate beam measurement result to the network side device because the time of the terminal's candidate beam measurement by the terminal is not specified in the existing protocol, and the terminal may not have completed the measurement when the measurement result must be reported.

[0037] In alternative embodiments of the present application, the predetermined period of time in the present application may include the following cases:

[0038] For case 1, the predetermined period in the embodiment of the present application includes a first period. The start time of the first period is the time when the configuration information is received, or the start time of the first period is a first predetermined time after the configuration information is received. The end time of the first period is the time when the terminal reports the first instruction information, or the end time of the first period is determined by the received first measurement stop instruction information. The first measurement stop instruction information is for instructing the terminal to stop measurement immediately upon receiving the first measurement stop instruction information, or for instructing the terminal to stop measurement a second predetermined time after receiving the first measurement stop instruction information.

[0039] In case 1, the terminal may determine the measurement time of the candidate beam within the first period based on the time when the configuration information is received, may measure the candidate beam immediately at the time when the configuration information is received, or may measure the candidate beam a first predetermined time after the configuration information is received. The measurement end time within the first period may be determined by the received first measurement stop instruction information, may be the end time at the time when the first measurement stop instruction information is received, or may stop the measurement a second predetermined time after the first measurement stop instruction information is received. As can be seen from these, in the embodiment of the present application, the start time of the first period may be predefined, and the end time of the first period may be instructed by the network side device or may be specified by a protocol, and the specific method to be used for the start time and the end time may be configured or selected according to the actual situation in the specific application scene of the embodiment of the present application, and is not limited in the present application.

[0040] In case 2, the predetermined period includes the second period. The start time of the second period is determined by the received measurement start instruction information, and the end time of the second period is determined by the received second measurement stop instruction information, or the end time of the second period is the time when the terminal reports the first instruction information. The measurement start instruction information is for instructing the terminal to start measurement immediately upon receiving the measurement start instruction information, or for instructing the terminal to start measurement a third predetermined time after receiving the measurement start instruction information. The second measurement stop instruction information is for instructing the terminal to stop measurement immediately upon receiving the second measurement stop instruction information, or for instructing the terminal to stop measurement a fourth predetermined time after receiving the second measurement stop instruction information.

[0041] In the case 2, the start time of the second period may be determined by measurement start instruction information transmitted from the network side device, and the end time of the second period may be determined by second measurement stop instruction information transmitted from the network side device, or it may be specified in advance that the measurement is stopped at the time when the terminal reports the first instruction information. If the terminal continues the measurement after the time when it reports the first instruction information, the result of the measurement becomes the result of the next report, so it may be specified in advance that the time when the terminal stops the measurement may be the time when it reports the first instruction information, and naturally, the time when the measurement is stopped, which is instructed by the second measurement stop instruction information, should not exceed the time when the first instruction information is reported.

[0042] Based on the measurement start instruction information, first measurement stop instruction information, and second measurement stop instruction information in the above cases 1 and 2, the method in which a terminal relating to step S202 of the embodiment of the present application measures candidate beams within a predetermined period after receiving configuration information may include the following steps S202-11 and S202-12. In step S202-11, the terminal receives the measurement start instruction information and the measurement stop instruction information transmitted from the network side device, and the measurement stop instruction information includes the first measurement stop instruction information or the second measurement stop instruction information. In step S202-12, the terminal measures the candidate beams within the second period in response to the measurement start instruction information and the measurement stop instruction information.

[0043] The measurement start instruction information and the measurement stop instruction information are carried by at least one of Radio Resource Control (RRC) signaling, Media Access Stratum control element (MAC CE) signaling, and Downlink Control Information (DCI).

[0044] For Case 3, the predetermined period includes the third period. The start time of the third period is the start time of a fifth predetermined time before the terminal reports the first indication information, the duration of the third period is the fifth predetermined time, and the end time of the third period is the time when the terminal reports the first indication information.

[0045] It should be noted that the fifth predetermined time may be determined by a timer, that is, the start time of the fifth predetermined time before the terminal reports the first indication information is the time when the timer starts to count, and the timer times out when the fifth predetermined time is exceeded. That is, according to the case 3, the measurement stop or measurement start time may not be indicated by the network side device, but instead the measurement start time and measurement end time of the third period may be determined by a timer. The start time of the third period may be after the terminal determines that a beam obstruction occurs.

[0046] For Case 4, the predetermined period includes the fourth period. The start time of the fourth period is the time when the terminal determines that a beam failure has occurred, or the start time of the fourth period is the time after a sixth predetermined time has elapsed since the occurrence of a beam failure. The time of the fourth period is the sixth predetermined time, or the end time of the fourth period is the time after a seventh predetermined time has elapsed since the terminal determines that a beam failure has occurred, or the end time of the fourth period is the time when the terminal reports the first indication information.

[0047] In case 4, the sixth predetermined time may also be determined by a timer, that is, the time when it is determined that a beam interference has occurred may be used as the base time, and the measurement start time may be the time when it is determined that a beam interference has occurred or the time after the sixth predetermined time has elapsed since the beam interference has occurred, at which time the timer starts counting, and the measurement end time may be the time after the seventh predetermined time has elapsed since the terminal determined that a beam interference has occurred or the time when it reports the first indication information, at which time the timer times out.

[0048] It should be noted that the time for reporting the first indication information relating to the above cases 1 to 4 may be at least one of the time for assembling a media access layer MAC protocol data unit (PDU) and the transmission time for reporting to a physical uplink shared channel PUSCH carrying beam recovery request BFRQ information.

[0049] In an alternative embodiment of the embodiment of the present application, the manner in which the terminal measures the candidate beam in step S202 may include a step in which the terminal measures the quality of the reference signal resource of the candidate beam.

[0050] That is, in the embodiment of the present application, the measurement of the candidate beam may further include measuring the quality of the reference signal resource of the candidate beam, and reporting the first indication information to the network side device according to the measurement result. The manner in which the terminal in step S204 reports the first indication information to the network side device according to the measurement result is as follows: Step S204-11, in which the terminal reports to the network side device first indication information for indicating an identifier of the reference signal of the candidate beam that satisfies the predetermined condition when the terminal measures the reference signal of the candidate beam that satisfies the predetermined condition; or The method may further include a step S204-12 in which, if the terminal has not measured a reference signal of a candidate beam that satisfies the specified condition, the terminal reports first indication information to the network side equipment to indicate that the terminal has not measured a reference signal of a candidate beam that satisfies the specified condition.

[0051] In addition, the manner in which the terminal in step S204 prohibits reporting of the first indication information may further be that the terminal prohibits reporting of the first indication information if it has not measured a reference signal of a candidate beam that satisfies a specified condition.

[0052] As can be seen from these, in the embodiment of the present application, when a reference signal of a candidate beam satisfying a predetermined condition is measured, the terminal may report the first indication information, and when a reference signal of a candidate beam satisfying a predetermined condition is not measured, the terminal may report the first indication information for indicating that the terminal has not measured the reference signal of the candidate beam satisfying the predetermined condition, or may prohibit the reporting of the first indication information. For example, in the above case 3, when a terminal has not measured a reference signal of a candidate beam satisfying a predetermined condition within a third period, the terminal may report the first indication information for indicating that the terminal has not measured the reference signal of the candidate beam satisfying the predetermined condition, or may prohibit the reporting of the first indication information. Prohibiting the reporting of the first indication information may be prohibiting the reporting of the BFR MAC CE in a specific application scenario. Prohibiting the reporting of the first indication information may be prohibiting the reporting of the first PUSCH resource available to the BFR MAC CE in a specific application scenario.

[0053] In an alternative embodiment of the embodiment of the present application, the predetermined condition described in the embodiment of the present application is that the reference signal received power or the signal-to-interference-plus-noise ratio of the reference signal of the candidate beam is equal to or greater than a predetermined threshold configured by the network side equipment. The predetermined threshold may be determined in advance, or may be determined by the network side equipment, or may be determined in other ways in other scenarios, and the corresponding predetermined threshold is configured or determined according to the actual situation in a specific application scenario.

[0054] Also, in another alternative embodiment of the embodiment of the present application, after the end time of the fourth period, the method of the embodiment of the present application further comprises: Step S206, in which the terminal continues to measure reference signal resources of the candidate beam; Step S208, in which the terminal reports to the network side device first indication information for indicating an identifier of the reference signal of the candidate beam that satisfies the predetermined condition when the terminal measures the reference signal of the candidate beam that satisfies the predetermined condition; or The method may further include step S210, in which, if the terminal has not measured a reference signal of a candidate beam that satisfies the specified condition, the terminal reports first indication information to the network side equipment to indicate that the terminal has not measured a reference signal of a candidate beam whose quality satisfies the specified condition.

[0055] In an embodiment of the present application, the method of determining whether a beam failure has occurred in the present application is for a terminal to perform beam failure detection for a cell and / or bandwidth portion to determine whether a beam failure has occurred in a cell and / or bandwidth portion.

[0056] As can be seen from the above cases 1 to 4, the measurement start time and measurement end time of the predetermined period are clarified. The measurement period in the above cases 1 to 4 does not necessarily start when the configuration information is received, and the end time is not necessarily the time when the first indication information is reported, but may be in the period between the time when the configuration information is received and the time when the first indication information is reported. This prevents the terminal from continuously measuring the candidate beams to some extent even when the channel condition is good and no beam failure occurs for a long time in the conventional technology. Therefore, compared to the continuous measurement in the conventional technology, the embodiment of the present application measures the candidate beams within a predetermined period, thereby achieving the effect of saving the power consumption of the terminal.

[0057] In the following, step S202 and step S204 in the embodiment of the present application will be described by way of example with reference to the above cases 1 to 4.

[0058] In the above case 1, in a specific application scenario, the measurement method for candidate beams includes the following steps S11 and S12. In step S11, the terminal starts measuring the quality of the reference signal of the candidate beam at the time when it receives RRC configuration information from the network side equipment for configuring the candidate beam RS, and stops the measurement at the time when it receives the first measurement stop instruction information transmitted from the network side equipment. In step S12, the terminal reports the BFR MAC CE to the network side device, and the information carried in the BFR MAC CE is: 1) A candidate beam RS ID whose quality meets the specified conditions, or 2) Includes indication information for indicating that a candidate beam RS whose quality meets a specified condition has not been detected.

[0059] Of course, the measurement start time and measurement end time in the above step S11 are merely examples of the first period, and other measurement start times and measurement end times may be used in other application scenarios. Also, in step S12, if a candidate beam RS whose quality satisfies a predetermined condition is not detected, the terminal does not need to report the BFR MAC CE.

[0060] In the above case 2, in a specific application scenario, the measurement method of the candidate beam includes the following steps S21 and S22. In step S21, the terminal starts measuring the quality of the reference signal of the candidate beam at the time when it receives the measurement start instruction information, and stops the measurement at the time when it receives the second measurement stop instruction information transmitted from the network side device. In step S22, the terminal reports the BFR MAC CE to the network side device, and the information carried in the BFR MAC CE is: 1) A candidate beam RS ID whose quality meets the specified conditions, or 2) Includes indication information for indicating that a candidate beam RS whose quality meets a specified condition has not been detected.

[0061] Of course, the measurement start time and the measurement end time in the above step S21 are merely examples of the second period, and other measurement start times and measurement end times may be used in other application scenarios. Also, in step S22, if a candidate beam RS whose quality satisfies a predetermined condition is not detected, the terminal does not need to report the BFR MAC CE.

[0062] In the above case 3, in a specific application scenario, the measurement method of the candidate beam includes the following steps S31 and S32. In step S31, the terminal starts measuring the quality of the reference signal of the candidate beam at the start time of a fifth predetermined time before reporting the first indication information, and stops the measurement at the time when the terminal reports the first indication information. In step S32, if the terminal detects a candidate beam RS whose quality meets the specified condition, it reports a BFR MAC CE to the network side equipment, and if the terminal does not detect a candidate beam RS whose quality meets the specified condition, it reports a BFR MAC CE to the network side equipment to indicate that a candidate beam RS whose quality meets the specified condition has not been detected, or prohibits reporting of the BFR MAC CE.

[0063] Of course, the measurement start time and measurement end time in step S31 above are merely examples of the third period, and other measurement start times and measurement end times may be used in other application scenarios.

[0064] In the above case 4, in a specific application scenario, the measurement method for candidate beams includes the following steps S41 and S42. In step S41, the terminal starts measuring the quality of the reference signal of the candidate beam at the time when it determines that a beam interference has occurred, and stops the measurement at the time when a seventh predetermined time has elapsed since it determined that a beam interference has occurred. In step S42, if the terminal detects a candidate beam RS whose quality meets the specified condition, it reports a BFR MAC CE to the network side equipment, and if the terminal does not detect a candidate beam RS whose quality meets the specified condition, it reports a BFR MAC CE to the network side equipment to indicate that a candidate beam RS whose quality meets the specified condition has not been detected, or prohibits reporting of the BFR MAC CE.

[0065] Of course, the measurement start time and measurement end time in step S41 above are merely examples of the third period, and other measurement start times and measurement end times may be used in other application scenarios.

[0066] In the case where the reporting of the BFR MAC CE is prohibited in the above step S42, after the time after the seventh predetermined time has ended, the terminal may continue measuring the candidate beams, and may further decide to report the BFR MAC CE according to the measurement result. In other words, if a candidate beam RS whose quality satisfies a predetermined condition is detected, the terminal reports the BFR MAC CE to the network side device, and if a candidate beam RS whose quality satisfies the predetermined condition is not detected, the terminal reports the BFR MAC CE to the network side device for indicating that a candidate beam RS whose quality satisfies the predetermined condition is not detected.

[0067] According to the embodiment of the present application, the time for measuring the candidate beam by the terminal is specified, so that the terminal performs the measurement of the candidate beam within a specified period to obtain a true measurement result, and then reports the measurement result or prohibits the reporting of the first indication information. That is, in order to avoid reporting inaccurate information, the terminal does not need to report the first indication information according to the measurement result, or when the terminal reports the measurement result, it reports the first indication information for indicating the measurement result within a predetermined period, that is, the UE can report an accurate candidate beam measurement result, and when a beam failure occurs, the performance and delay of beam failure recovery are guaranteed.

[0068] It should be noted that the candidate beam measurement method provided in the embodiment of the present application may be performed by a candidate beam measurement device, or may be a control module for performing the candidate beam measurement method in the candidate beam measurement device. In the embodiment of the present application, the candidate beam measurement device provided in the embodiment of the present application will be described by taking the candidate beam measurement device performing the candidate beam measurement method as an example.

[0069] FIG. 3 is a structural schematic diagram of a candidate beam measuring device according to an embodiment of the present application. As shown in FIG. 3, the device includes: A first measurement module 32 for measuring a candidate beam within a predetermined period after receiving configuration information, the configuration information including configuration information of a reference signal of the candidate beam; and a processing module 34 for deciding whether to report first indication information to the network side device or to prohibit reporting of the first indication information depending on the measurement result, the first indication information being for indicating the measurement result.

[0070] Optionally, the predetermined period in the embodiment of the present application includes a first period, and a start time of the first period is a time when the configuration information is received, or a start time of the first period is a first predetermined time after the configuration information is received. An end time of the first period is a time when the first instruction information is reported, or the end time of the first period is determined by the received first measurement stop instruction information. The first measurement stop instruction information is for instructing to stop measurement immediately upon receiving the first measurement stop instruction information, or for instructing to stop measurement a second predetermined time after receiving the first measurement stop instruction information.

[0071] Optionally, the predetermined period includes a second period, and a start time of the second period is determined by the received measurement start instruction information. An end time of the second period is determined by the received second measurement stop instruction information, or the end time of the second period is a time to report the first instruction information. The measurement start instruction information is for instructing to start measurement immediately upon receiving the measurement start instruction information, or for instructing to start measurement a third predetermined time after receiving the measurement start instruction information. The second measurement stop instruction information is for instructing to stop measurement immediately upon receiving the second measurement stop instruction information, or for instructing to stop measurement a fourth predetermined time after receiving the second measurement stop instruction information.

[0072] Optionally, the specified period in an embodiment of the present application includes a third period, the start time of the third period is the start time of a fifth specified time before reporting the first indication information, the time of the third period is the fifth specified time, and the end time of the third period is the time of reporting the first indication information.

[0073] Optionally, the predetermined period in the embodiment of the present application includes a fourth period, and the start time of the fourth period is the time when it is determined that a beam obstruction has occurred, or the start time of the fourth period is the time after a sixth predetermined time has elapsed since the occurrence of a beam obstruction. The time of the fourth period is the sixth predetermined time, or the end time of the fourth period is the time after a seventh predetermined time has elapsed since it is determined that a beam obstruction has occurred, or the end time of the fourth period is the time when the first indication information is reported.

[0074] Optionally, the first measurement module in an embodiment of the present application may further include a receiving unit for receiving measurement stop instruction information including measurement start instruction information and first measurement stop instruction information or second measurement stop instruction information transmitted from the network side equipment, and a measurement unit for measuring candidate beams within a predetermined period in accordance with the instructions of the measurement start instruction information and the measurement stop instruction information.

[0075] Optionally, the measurement start instruction information and the measurement stop instruction information in the embodiment of the present application are carried by at least one of the following: radio resource control (RRC) signaling, medium access layer control element (MAC CE) signaling, and downlink control information (DCI).

[0076] Optionally, the time for reporting the first indication information in the embodiment of the present application is at least one of the time for assembling a media access layer protocol data unit (MAC PDU) and the transmission time for reporting to a physical uplink shared channel (PUSCH) carrying beam recovery request (BFRQ) information.

[0077] Optionally, the first measurement module 32 in the embodiment of the present application is further used to measure the quality of the reference signal resource of the candidate beam.

[0078] Optionally, the processing module 34 in an embodiment of the present application may further include a reporting unit for reporting first indication information to a network side equipment for indicating an identifier of a reference signal of a candidate beam that satisfies a specified condition when a reference signal of a candidate beam that satisfies a specified condition is measured, or a processing unit for reporting first indication information to a network side equipment for indicating that a reference signal of a candidate beam that satisfies a specified condition has not been measured when a reference signal of a candidate beam that satisfies a specified condition has not been measured.

[0079] Optionally, the processing module 34 in the embodiment of the present application may further include a prohibition unit for prohibiting reporting of the first indication information when a reference signal of a candidate beam that satisfies a predetermined condition has not been measured.

[0080] Optionally, the device in an embodiment of the present application may further include a second measurement module for continuing to measure the reference signal resource of the candidate beam after the end time of the fourth period, a first reporting module for reporting to the network side equipment first indication information for indicating an identifier of the reference signal of the candidate beam that satisfies the specified condition when a reference signal of the candidate beam that satisfies the specified condition is measured, or a second reporting module for reporting to the network side equipment first indication information for indicating that a reference signal of a candidate beam of a quality that satisfies the specified condition has not been measured when a reference signal of a candidate beam that satisfies the specified condition has not been measured.

[0081] Optionally, satisfying the specified condition described in the embodiments of the present application means that the reference signal received power or signal to interference and noise ratio of the reference signal of the candidate beam is greater than or equal to a specified threshold configured by the network side equipment.

[0082] Optionally, the device in an embodiment of the present application may further include a processing module for determining whether a beam failure has occurred in the cell and / or bandwidth portion by performing beam failure detection on the cell and / or bandwidth portion.

[0083] According to the embodiment of the present application, the time for measuring the candidate beam is specified, and the measurement result is reported after performing the measurement of the beam within the specified period to obtain the true measurement result, or the reporting of the measurement result is prohibited. That is, in order to avoid reporting inaccurate information, the terminal does not need to report the first indication information according to the measurement result, or when the terminal reports the measurement result, the terminal reports the first indication information for indicating the measurement result within a predetermined period, that is, the UE can report the accurate measurement result of the candidate beam, and the performance and delay of the beam failure recovery are guaranteed when a beam failure occurs.

[0084] The measuring device of the candidate beam in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a portable terminal or a non-portable terminal. Exemplarily, the portable terminal may include, but is not limited to, the types of terminal 11 listed above. The non-portable terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television (TV), an automated teller machine or a kiosk, etc., and is not specifically limited in the embodiment of the present application.

[0085] The measuring device of the candidate beam in the embodiment of the present application may be a device having an operating system, which may be an Android operating system, an IOS operating system, or other possible operating systems, and is not specifically limited in the embodiment of the present application.

[0086] The candidate beam measurement device provided in the embodiment of the present application can realize each process realized in the method embodiment of Fig. 2 and achieve the same technical effect. In order to avoid duplication, detailed description is omitted here.

[0087] Optionally, as shown in FIG. 4, the embodiment of the present application further provides a communication device 400. The communication device 400 includes a processor 401, a memory 402, and a program or command stored in the memory 402 and executable by the processor 401. For example, when the communication device 400 is a terminal, when the program or command is executed by the processor 401, each process of the embodiment of the measurement method of the candidate beam is realized, and the same technical effect can be achieved. When the communication device 400 is a network side device, when the program or command is executed by the processor 401, each process of the embodiment of the measurement method of the candidate beam is realized, and the same technical effect can be achieved. In order to avoid repetition, detailed description is omitted here.

[0088] FIG. 5 is a hardware structure schematic diagram of a terminal implementing an embodiment of the present application.

[0089] The terminal 500 includes components such as, but not limited to, a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, and a processor 510.

[0090] Those skilled in the art can understand that the terminal 500 may further include a power source (e.g., a battery) for powering each component, and the power source may be logically connected to the processor 510 through a power management system, and the power management system may further realize functions such as charge / discharge management and power consumption management. The terminal structure shown in Fig. 5 does not limit the terminal, and the terminal may include more or fewer components than those shown in Fig. 5, or a combination of some components, or a different component arrangement, and detailed description thereof will be omitted here.

[0091] It should be understood that in the embodiment of the present application, the input unit 504 may include a graphics processing unit (GPU) 5041 for processing image data of still or video captured by an image capture device (e.g., a camera) in a video capture mode or an image capture mode, and a microphone 5042. The display unit 506 may include a display panel 5061, and the display panel 5061 may be arranged in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 507 includes a touch panel 5071 and other input devices 5072. The touch panel 5071 is also called a touch screen. The touch panel 5071 may include two parts: a touch measuring device and a touch controller. The other input devices 5072 may include, but are not limited to, a physical keyboard, a function button (e.g., a volume control button, a switch button, etc.), a trackball, a mouse, and an operation lever, and detailed description thereof will be omitted here.

[0092] In the embodiment of the present application, the high frequency unit 501 receives downlink data from the network side device, processes the data in the processor 510, and transmits uplink data to the network side device. Typically, the high frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a receiver-transmitter, a coupler, a low-noise amplifier, a duplexer, etc.

[0093] The memory 509 can be used to store software programs or commands and various data. The memory 509 may mainly include a program or command storage area capable of storing an operating system, an application or command required for at least one function (e.g., a sound playback function, an image playback function, etc.), and a data storage area. The memory 509 may also include a high-speed random access memory, and may further include a non-volatile memory. The non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically erasable programmable read-only memory (Electrically EPROM, EEPROM), or a flash memory, such as at least one disk storage device, a flash memory, or other non-volatile solid-state storage device.

[0094] The processor 510 may include one or more processing units. Optionally, the processor 510 may be integrated with an application processor that mainly processes an operating system, a user interface, and applications or commands, and a modem processor, such as a baseband processor that mainly processes wireless communication. It can be understood that the modem processor may not be integrated with the processor 510.

[0095] The processor 510 is used to measure candidate beams within a predetermined period after receiving the configuration information, and to report first indication information to the network side equipment according to the measurement result, where the first indication information is for indicating the measurement result.

[0096] According to the embodiment of the present application, the time for measuring the candidate beam by the terminal is specified, and the terminal performs the measurement of the beam within a specified period to obtain a true measurement result, and then reports the measurement result. That is, when the terminal reports the first indication information, the first indication information is for indicating the measurement result within a predetermined period, so that the UE can report the accurate candidate beam measurement result, and the performance and delay of beam failure recovery are guaranteed when a beam failure occurs.

[0097] The embodiment of the present application further provides a readable storage medium, which stores a program or command, and when the program or command is executed by a processor, each process of the embodiment of the measurement method of the candidate beam is realized, and the same technical effect can be achieved. In order to avoid repetition, detailed description is omitted here.

[0098] The processor is a processor in the terminal according to the above embodiment. The readable storage medium includes a computer readable storage medium such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0099] The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface and the processor are coupled, and the processor is used to execute the program or command of the terminal and realize each process of the embodiment of the measurement method of the candidate beam, so as to achieve the same technical effect. In order to avoid duplication, detailed description is omitted here.

[0100] It should be understood that the chips referred to in the embodiments of this application may be referred to as system level chips, system chips, chip systems, or systems on chips, and the like.

[0101] It should be noted that in this specification, the terms "comprise", "consist of" or any other variations are intended to include a non-exclusive inclusion, whereby a process, method, article, or apparatus that includes a set of elements includes not only those elements, but also other elements not expressly stated or inherent to such process, method, article, or apparatus. Unless otherwise specified, an element limited by the phrase "comprises a" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element. It should also be noted that the scope of the method and apparatus in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may include performing functions substantially simultaneously or in the reverse order depending on such functions, for example, the described method may be performed in a different order than described, and various steps may be added, omitted, or combined. Also, features described with reference to any example may be combined in other examples.

[0102] It should be noted that those skilled in the art can imagine that each example unit and algorithm step described in the embodiments disclosed herein can be realized by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in the form of hardware or software is determined by the specific application and design constraints of the technical solution. For each specific application, experts can implement the described functions using different methods, and such implementation should not be understood as going beyond the scope of the present disclosure.

[0103] It is clearly understood by those skilled in the art that, in order to simplify and simplify the description, the specific operating processes of the above-mentioned systems, devices and units can be referred to the corresponding processes in the embodiments of the method, and detailed descriptions thereof will be omitted here.

[0104] In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be realized in other forms. For example, the above-described apparatus embodiments are merely illustrative, and the division of the units is merely a division of logical functions, and may be divided in other forms when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not implemented. In addition, the illustrated or described mutual couplings, direct couplings, or communication connections may be indirect couplings or communication connections via some interfaces, devices, or units, and may be in electrical, mechanical, or other forms.

[0105] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, and may be located in one place or distributed among multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of the present embodiment.

[0106] Furthermore, each functional unit in each embodiment of the present disclosure may be integrated into a single processing unit, may exist physically independently, or may be integrated into two or more units into a single unit.

[0107] From the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be realized in the form of a combination of software and a necessary common hardware platform, and of course, they can be realized by hardware, but in many cases the former is a more preferred embodiment. Based on this view, the technical solution of the present application can be substantially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes a number of commands that cause a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in the embodiments of the present application.

[0108] It is understood that the embodiments described in the embodiments of the present disclosure can be realized by hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware realization, the modules, units, and subunits can be realized in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSPD), Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), common processor, controller, microcontroller, microprocessor, other electronic unit, or a combination thereof to perform the functions described in the present disclosure.

[0109] For software implementation, the techniques described in the embodiments of the present disclosure can be implemented by modules (e.g., processes, functions, etc.) for performing functions described in the embodiments of the present disclosure. The software code can be stored in a memory and executed by a processor. The memory can be implemented within the processor or external to the processor.

[0110] Although the examples of the present application have been described above with reference to the drawings, the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative and not limiting. Based on the suggestions of the present application, many forms that a person skilled in the art can make without departing from the spirit of the present application and the scope of protection of the claims are all within the scope of protection of the present application.

Claims

1. A step of measuring a candidate beam within a predetermined period after a terminal receives configuration information, the configuration information including configuration information of a reference signal of the candidate beam; The terminal reports first indication information to a network side device according to the measurement result; The step of reporting first indication information to a network side device by the terminal according to the measurement result includes: When a reference signal of the candidate beam that satisfies a predetermined condition is measured, the terminal reports first indication information for indicating an identifier of the reference signal of the candidate beam that satisfies the predetermined condition to the network side device; or When the terminal has not measured a reference signal of the candidate beam that satisfies a predetermined condition, the terminal reports first indication information to the network side device for indicating that the terminal has not measured a reference signal of the candidate beam that satisfies the predetermined condition; The first instruction information is for instructing the measurement result, A method for measuring a candidate beam, in which the time for reporting the first indication information is a transmission time for reporting a physical uplink shared channel (PUSH) carrying beam recovery request (BFRQ) information.

2. the predetermined period is a first period, and a start time of the first period is a first predetermined time after receiving the configuration information; and The end time of the first period is determined by first measurement stop instruction information received by the terminal; and The method of claim 1 , wherein the first measurement stop instruction information is for instructing the terminal to stop measurement a second predetermined time after receiving the first measurement stop instruction information.

3. The method according to claim 1 , wherein the predetermined period is a fourth period, and the end time of the fourth period is a time after the end of a seventh predetermined time from when the terminal determines that a beam obstruction has occurred.

4. The step of measuring candidate beams within a predetermined period after the terminal receives the configuration information includes: receiving measurement start instruction information and measurement stop instruction information including the first measurement stop instruction information or the second measurement stop instruction information, transmitted by the terminal from a network side device; The method according to claim 2 , further comprising a step of the terminal measuring the candidate beams within the predetermined period in response to an instruction from the measurement start instruction information and the measurement stop instruction information.

5. The method of claim 4, wherein the measurement start indication information and the measurement stop indication information are carried by at least one of a radio resource control (RRC) signaling, a medium access layer control element (MAC) CE signaling, and a downlink control information (DCI).

6. The step of measuring the candidate beams by the terminal includes: The method of claim 1 , comprising the terminal measuring a quality of a reference signal resource of the candidate beam.

7. After the end of the fourth period, the terminal continues to measure the quality of reference signal resources of the candidate beam; When a reference signal of the candidate beam that satisfies a predetermined condition is measured, the terminal reports first indication information for indicating an identifier of the reference signal of the candidate beam that satisfies the predetermined condition to the network side device; or The method of claim 3, further comprising a step of: when the terminal has not measured a reference signal of the candidate beam that satisfies a predetermined condition, reporting first indication information to the network side equipment to indicate that the terminal has not measured a reference signal of the candidate beam whose quality satisfies the predetermined condition.

8. The method of claim 3, further comprising a step of the terminal determining whether a beam failure has occurred in the cell and / or the bandwidth portion by performing beam failure detection on the cell and / or the bandwidth portion.

9. A terminal comprising a processor, a memory, and a program or command stored in the memory and executable by the processor, wherein when the program or command is executed by the processor, steps of the candidate beam measurement method described in any one of claims 1 to 8 are realized.

10. A readable storage medium having a program or command stored thereon, the program or command being executed by a processor to realize a method for measuring a candidate beam according to any one of claims 1 to 8.

Citation Information

Patent Citations

  • User terminal and wireless communication method

    WO2019203187A1