WO2023179533A1 - Procédé exécuté par un équipement utilisateur et équipement utilisateur - Google Patents

Procédé exécuté par un équipement utilisateur et équipement utilisateur Download PDF

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Publication number
WO2023179533A1
WO2023179533A1 PCT/CN2023/082469 CN2023082469W WO2023179533A1 WO 2023179533 A1 WO2023179533 A1 WO 2023179533A1 CN 2023082469 W CN2023082469 W CN 2023082469W WO 2023179533 A1 WO2023179533 A1 WO 2023179533A1
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WIPO (PCT)
Prior art keywords
bfr
user equipment
mac
resource pool
bfrr
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PCT/CN2023/082469
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English (en)
Chinese (zh)
Inventor
张崇铭
刘仁茂
Original Assignee
夏普株式会社
张崇铭
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Application filed by 夏普株式会社, 张崇铭 filed Critical 夏普株式会社
Publication of WO2023179533A1 publication Critical patent/WO2023179533A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present disclosure relates to the field of wireless communication technology, and specifically relates to a method executed by user equipment and corresponding user equipment.
  • V2X Vehicle to Everything
  • X represents any object that interacts with the vehicle.
  • X mainly includes vehicles, people, and traffic. Roadside infrastructure and networks.
  • the UEs communicate through side links (Sidelink SL).
  • UEs that perform SL communications are also called SL UEs.
  • the UEs at both ends of the SL link can be divided into sending UE (TX UE) and receiving UE (RX UE) according to the classification of sending and receiving. From the perspective of one UE, the other UE is the peer UE (peer UE).
  • NR Sidelink uses beam/beam forming technology. Through this technology, the energy of the transmitted signal is concentrated, thereby improving signal quality. However, information transmission using thinner beams is easily affected by external changes, such as rotation of the user terminal, obstruction by other objects, etc.
  • the effective beam signal serving data/information transmission becomes weak or falls below a preconfigured threshold, the transmission of data/information from the sending UE to the receiving UE may be interrupted.
  • the receiving UE may send a signal to the sending UE.
  • the relevant information indicates requesting beam failure recovery (BFR) in order to re-adjust the beam signal and resume information transmission.
  • BFR beam failure recovery
  • the present disclosure proposes a method executed by user equipment and corresponding user equipment to solve at least some of the above problems.
  • a method performed by user equipment including: when side link beam failure recovery SL-BFR is triggered, the UE selects a configuration from a resource pool A resource pool for beam failure recovery BFR; the UE creates a side link authorization in the selected resource pool for transmitting the media access control protocol data unit MAC PDU carrying BFR related information; when the MAC PDU is When sending, the UE cancels the triggered SL-BFR; and the UE determines whether the SL BFR process is successfully completed based on the information sent by the opposite end UE.
  • the BFR related information may be the SL-BFR media access control layer control element MAC CE.
  • the UE selects a resource pool configured with the physical side link feedback channel PSFCH for the BFR, when the UE receives Corresponding to the PSFCH transmitted by the MAC PDU, and when a positive feedback ACK is detected on the PSFCH, it is determined that the SL BFR process is successfully completed.
  • the UE selects a resource pool configured with the physical side link feedback channel PSFCH for the BFR, when the UE receives When the positive feedback ACK corresponding to the MAC PDU transmission carrying the SL-BFR MAC CE is determined to be successfully completed, the UE receives the MAC PDU transmission corresponding to the SL-BFR MAC CE. When the negative feedback NACK is received, it is determined that the SL BFR process was not successfully completed.
  • the UE selects a resource pool in which the physical side link feedback channel PSFCH is not configured for the BFR, when the UE receives the When the SL-BFR sent by the opposite end UE responds to the SL-BFRR, it is determined that the SL-BFR process is successfully completed.
  • the SL-BFRR is a response message from the opposite end UE to the received SL-BFR related information
  • the SL-BFRR is SL-BFRR MAC CE.
  • the SL-BFRR is a response message from the opposite end UE to the received SL-BFR related information, and the SL-BFRR carries in the side link control information SCI.
  • a user equipment including a processor and a memory. Instructions are stored on this memory. The instructions, when executed by the processor, cause the user device to perform a method according to the above description.
  • FIG. 1 is a flowchart illustrating a method performed by a user equipment according to one embodiment of the present disclosure.
  • FIG. 2 is a flowchart illustrating a method performed by a user equipment according to another embodiment of the present disclosure.
  • Figure 3 is a block diagram illustrating user equipment according to one embodiment of the present disclosure.
  • the physical layer of the UE will indicate to the MAC layer.
  • This type of indication is called a beam failure instance.
  • BFI beam failure detection
  • BFD beam failure detection
  • the UE can use the counter SL-BFI_COUNTER to count the number of BFIs received:
  • the MAC layer will trigger the process of beam failure recovery (BFR), which is referred to as triggering BFR (or a BFR is triggered). Its essence means that when the conditions are met (such as BFI_COUNTER Greater than or equal to the maximum value), the UE starts to perform operations related to beam failure recovery.
  • BFR corresponds to a sidelink link, so it is also called SL-BFR.
  • the UE can instruct the multiplexing and assembly entity (Multiplexing and assembly entity) to generate the SL-BFR MAC CE. And send the generated SL BFR MAC CE on the available resources.
  • Multiplexing and assembly entity Multiplexing and assembly entity
  • PSFCH is the physical channel used by the receiving UE to send HARQ feedback.
  • PSFCH is the physical channel used by the sending UE to receive HARQ feedback.
  • a SCI indicates/schedules the transmission of PSSCH.
  • the UE that receives the SCI can further receive the PSSCH based on the information provided by the SCI, and determine whether HARQ feedback information needs to be sent on the PSFCH channel according to the instructions of the SCI.
  • HARQ feedback information means that the UE receives a transport block (TB) and decodes the TB. If the decoding is successful, the content of the HARQ feedback is positive feedback (postive acknowledgment, ACK). If the decoding fails, , then the content of HARQ feedback is negative feedback (negitive acknowledgment, NACK).
  • indication information in the SCI indicating whether HARQ feedback is enabled. If the indication information indicates that HARQ is enabled (enabled), then the UE needs to send HARQ feedback information; if the indication information indicates that HARQ is disabled (disabled), then the UE does not need to send HARQ feedback information.
  • the network side will broadcast resources that can be used for side link transmission and reception in the system information block, mainly time and frequency resources. These resource information can be classified according to their characteristics or uses. Resources with the same characteristics or purposes belong to the same pool of resources. For example, a resource pool specifically used for sending is called a sending resource pool, and a resource pool used for receiving is called a receiving resource pool. One or more resource pools can be broadcast in system information. The transmission resources contained in different resource pools can be the same.
  • the resource pool usually includes channel configuration information, which can be PSCCH, PSSCH, PSFCH, etc., as well as related configuration information in terms of priority or power control.
  • This resource pool indicates the resources for which the UE is operated to send NR SL transmissions under some abnormal conditions.
  • the abnormal situation here may include that the UE is in a state where the RRC connection link fails, or a physical layer problem is detected, etc. Then under these abnormal circumstances, the UE can use the resources above SL-TxPoolExceptional for SL transmission.
  • SCI is usually used to indicate SL-SCH transmission and indicate whether HARQ feedback is enabled.
  • a SCI includes the first stage SCI (the first stage SCI) and the second stage SCI (the second stage SCI).
  • the first stage SCI is transmitted on the PSCCH channel
  • the second stage SCI is transmitted on the PSSCH channel.
  • the transport block indicated in the SCI is also transmitted on the PSSCH channel.
  • the MAC entity monitors the PSCCH channel (monitor PSCCH) at the occurrence time of the PSCCH channel (PSCCH durations).
  • the UE can determine the reception timing of the second-level SCI and the reception timing of the transport block (TB) based on the content in the first-level SCI.
  • the UE can obtain or store the valid SCI.
  • the indication information of the measurement reference signal can be carried in the SCI.
  • the measurement reference signal may be a measurement reference signal used for BFD/BFR, or a measurement reference signal used for CSI reporting.
  • the indication information may appear in the content of the SCI in the form of a field: when the field value is '1', it indicates the occurrence of the corresponding measurement reference signal, or the UE sending the SCI has scheduled the measurement reference signal.
  • the UE that transmits or receives the SCI can obtain the measurement reference signal at the preconfigured location; when the field value is '0', it means that the measurement reference signal is not sent, or the UE cannot obtain the measurement reference signal.
  • a special case is that when this field does not appear in the SCI, the UE receiving the SCI may also consider that the measurement reference signal cannot be obtained.
  • SL grant can be automatically selected and generated/created by the UE's MAC entity.
  • SL grant is used to determine the transmission timing of PSCCH and the transmission timing of PSSCH, where PSCCH is used to transmit SCI and PSSCH is used to transmit SL-SCH information.
  • the MAC determines to create a SL grant, the MAC first selects the resource, that is, on what resource the SL grant is determined. Then further determine the transmission opportunities (transmission opportunities) on the selected resources, and consider the opportunities as (consider as) SL grant, thereby completing the creation of SL grant.
  • the frequency range (FR) of NR is divided into FR1 and FR2.
  • the frequency range FR1 is the commonly referred to as the 5G Sub-6GHz (below 6GHz) frequency band
  • the frequency range FR2 is the 5G millimeter wave frequency band. Beamforming technology can be used on FR2 to improve transmission reliability. Generally not used on FR1.
  • the UEs at both ends of the SL link can be divided into sending UE (TX UE) and receiving UE (RX UE) according to the classification of sending and receiving. From the perspective of one UE, the other UE is the peer UE.
  • the UE in this article mainly refers to the RX UE, and the other peer UE is the TX UE.
  • the TX UE sends SCI and measurement reference signals, etc., and the RX UE receives the SCI from the TX UE and detects the measurement reference signals.
  • SL-BFR is triggered on the RX UE side, and the RX UE sends the generated SL-BFR information, such as SL-BFR MAC CE, to the TX UE.
  • the TX UE that receives the SL-BFR information will send SL-BFRR to the RX UE.
  • the UE in the following generally refers to the RX UE, and the opposite end UE refers to the TX UE.
  • FIG. 1 is a flowchart illustrating a method performed by a user equipment according to one embodiment of the present disclosure (ie, Embodiment 1).
  • the method executed by user equipment in Embodiment 1 of the present disclosure may include the following steps.
  • Step 101 When an SL-BFR is triggered (a SL-BFR is triggered), or when there is a triggered SL-BFR (a triggering SL-BFR), the UE selects the resource pool configured for BFR's resource pool (selecte any pool of resources configured for BFR among pools of resources).
  • the resource pool used for BFR here can be the previously mentioned SL sending resource pool SL-TxPoolExceptional for exceptions.
  • Step 102 In the selected resource pool, the UE can create a sidelink grant (SL grant) for transmitting MAC PDU (create a selected sidelink grant corresponding to transmission(s) of a single MAC PDU).
  • the MAC PDU will carry BFR related information, such as SL-BFR MAC CE.
  • Step 103 When a MAC PDU carrying SL-BFR MAC CE is sent, the UE cancels the triggered SL-BFR.
  • Step 104 When the UE receives the SL-BFR response (SL-BFRR) sent from the opposite end UE, the UE considers that the SL BFR process is successfully completed (consider the Beam Failure Recovery procedure successfully completed). And optionally, set BFI_COUNTER to 0
  • SL-BFRR refers to the response message of the opposite end UE to the received SL-BFR related information.
  • Such response message can exist in the form of MAC CE, for example, constructing an SL-BFRR MAC CE as a response.
  • the response message can also be carried in SCI, for example, a specific SCI format (SCI form) represents the response information.
  • resources configured for BFR mainly refer to time and/or frequency resources, on which the UE can send data or signaling.
  • “Resources configured for BFR” can be resources located at lower frequencies, such as resources located on the FR1 frequency, or sidlink resources that do not use beam forming technology, or they can be configured with PSFCH Resources, or proprietary time and frequency resources used to transmit SL-BFR MAC CE, etc.
  • FIG. 2 is a flowchart illustrating a method performed by a user equipment according to another embodiment of the present disclosure (ie, Embodiment 2).
  • the method executed by user equipment in Embodiment 2 of the present disclosure may include the following steps.
  • Step 201 When an SL-BFR is triggered, the UE selects any pool of resources configured with PSFCH among pools of resources from the resource pool. PSFCH is used to transmit HARQ information. HAQRQ information includes positive feedback (positive acknowledgment, ACK) and negative feedback (negative acknowledgment, NACK).
  • resources configured with PSFCH can be called resources with HARQ enabled.
  • resources without PSFCH can be called resources with HARQ enabled. It is called a resource with HARQ disabled.
  • Step 202 In the selected resource pool, the UE can create/generate SL grant for transmitting MAC PDU (create a selected sidelink grant corresponding to transmission(s) of a single MAC PDU), in which the MAC PDU Carry BFR related information, such as SL-BFR MAC CE.
  • Step 203 When a MAC PDU carrying SL-BFR MAC CE is sent, the UE cancels the triggered SL-BFR.
  • Step 204 When the UE receives the PSFCH corresponding to the SL grant transmitted by the MAC PDU and detects positive feedback (positive acknowledgment) on the PSFCH, or the UE receives the MAC corresponding to the SL-BFR MAC CE carrying When the PDU transmission is positive feedback, the UE considers that the SL BFR process is successfully completed (consider the Beam Failure Recovery procedure successfully completed). And optionally, set the BFI_COUNTER value to 0.
  • SL-BFR is not considered to be successfully completed.
  • the SCI indicating/scheduling SL grant transmission indicates a negative-only acknowledgment operating mode
  • the UE does not detect or receive negative feedback on the corresponding PSFCH, it can be regarded as Positive feedback received.
  • Example 3 of the present disclosure will be described in detail as an example.
  • the resource pool configured with BFR may be a resource pool configured with PSFCH, or may be a resource pool without PSFCH configured.
  • the UE can determine whether SL-BFR is successfully completed based on the type of resources used to transmit the MAC PDU carrying SL-BFR MAC CE.
  • the UE When the SL-BFR MAC CE is sent via a resource with HARQ enabled, that is, a resource configured with PSFCH, if the UE receives the PSFCH corresponding to the MAC PDU and detects During positive feedback, the UE considers that SL-BFR is successfully completed.
  • a resource with HARQ enabled that is, a resource configured with PSFCH
  • the UE if the UE receives the PSFCH corresponding to the MAC PDU and detects During positive feedback, the UE considers that SL-BFR is successfully completed.
  • DL-BFR MAC CE When the SL-BFR MAC CE is sent via a resource with HARQ disabled/resource without HARQ enabled, if the UE receives the SL-BFRR, the UE considers the SL-BFR to be successfully completed.
  • Another implementation of this solution can be: when the UE is transmitting, the HARQ function is disabled for the MAC PDU carrying the SL-BFR MAC CE. Then when the UE receives the BFRR, the UE considers that the BFR is successfully completed.
  • BFRR can be BFRR MAC CE or the information carried in SCI.
  • the priority of SL BFR MAC CE is higher than SL CSI reporting.
  • the priority corresponding to SL BFR MAC CE is always ‘1’.
  • This embodiment can be used in conjunction with the previous embodiment to generate a MAC PDU containing SL BFR MAC CE.
  • the UE is configured with SL DRX, then the period between when the UE sends the BFR MAC CE and when it receives the BFRR can be regarded as the UE being in the active state (ACTIVE TIME).
  • This embodiment can be used in conjunction with the foregoing embodiments to determine the activation state time when the UE is configured with DRX.
  • Scenario 1 In one case, when the UE detects a beam failure, the UE also obtains candidate beam information based on measurements, then the UE will directly send the data block carrying the beam failure recovery request message to the opposite end UE. Use the candidate beam for data transmission, or perform data transmission based on the candidate beam. Since the candidate beam is used by the UE to receive information sent by the opposite end UE, when the UE wants to send data to the opposite end UE, the transmission beam coupled or associated with the candidate beam can be used for transmission. And receive the BFRR sent by the next TX UE based on the candidate beam.
  • the BFRR will be sent to the UE using the candidate beam information carried therein. Since the UE has applied the candidate beam to receive the BFRR sent by the opposite UE, the UE can successfully receive the BFRR sent by the opposite UE, so that SL-BFR is successfully completed.
  • Scenario 2 In another case, when the UE side detects that a beam failure occurs, the UE does not detect a candidate beam that meets the conditions, then the UE next sends a data block carrying a beam failure recovery request message to the opposite end UE. , the beam direction used needs to be determined in a way.
  • One method is for the UE to send data blocks carrying beam failure recovery request messages in multiple beam directions. The peer UE can detect whether there is data transmission for it in multiple directions. Therefore, the beam failure sent by the UE can be received. The recovery request message is responded to by sending a BFRR to the UE.
  • the UE After sending the beam failure recovery request message, the UE detects whether there is data sent by the opposite UE in multiple directions, so that it can receive the BFRR sent by the opposite UE, and the beam direction that correctly receives the BFRR can be used as the next work The direction of the beam.
  • the UE can measure the reference signal and obtain the measurement result.
  • the physical layer of the UE indicates the SL-BFI to the upper layer, usually the MAC layer; when the measurement result is not lower than the threshold, the UE does not Indicate SL-BFI to the upper layer.
  • the UE's MAC layer When the UE's MAC layer receives the indicated SL-BFI, it starts the timer beamFailureDetectionTimer and sets the value of the BFI counter to the current BFI counter value plus one.
  • beamFailureDetectionTimer When beamFailureDetectionTimer is running, if a new SL-BFI is reported, the UE will restart beamFailureDetectionTimer and increase the value of BFI COUNTER by 1. For example, when beamFailureDetectionTimer is running, if a new SL-BFI is reported, if the original BFI COUNTER value is x, then the value of BFI COUNTER after adding 1 is x+1.
  • the measurement reference signal does not always appear in some cases, such as:
  • the UE does not receive the SCI.
  • the MAC entity (MAC entity) may not receive the SCI when monitoring the PSCCH channel. For example, no signal carrying SCI is detected on the channel.
  • Scenario 2 The UE receives the SCI, but this SCI is not the SCI sent to the UE from the opposite end UE.
  • the UE can determine whether the SCI is sent to itself by the opposite end UE through the Source Layer-1 ID and Destination Layer-1 ID carried in the SCI. If this pair of identifiers does not belong to the communication between the UE and the opposite UE, it means that the SCI is not sent from the opposite UE to the UE.
  • the specific judgment method can be that if the Source Layer-1 ID is equal to some bits of the UE's expected (intended) Destination Layer-2 ID (Destination Layer-2 ID), such as the 8 least significant bits (8LSB, Least Significant Bit) , and the Destination Layer-1 ID in the SCI is equal to some bits of the UE's Source Layer-2 ID, such as the 16 least significant bits, then the SCI can be considered to be sent to the UE by the opposite end UE.
  • Destination Layer-2 ID such as the 8 least significant bits (8LSB, Least Significant Bit
  • the UE can also determine whether the SCI is sent by the opposite end UE by decoding the MAC PDU in the transport block and then obtaining the complete Source Layer-2 ID (Source Layer-2 ID) and Destination Layer-2 ID (Destination Layer-2 ID). my own.
  • Source Layer-2 ID Source Layer-2 ID
  • Destination Layer-2 ID Destination Layer-2 ID
  • Case 3 The UE receives the SCI sent to the UE from the opposite UE, but the SCI does not contain the reference signal indication information, or the reference signal indication information in the SCI is negative.
  • Solution 1 In the above three situations, if the beamFailureDetectionTimer is running, the UE restarts the beamFailureDetectionTimer; if the beamFailureDetectionTimer is not running, the UE does not perform the operation.
  • the UE receives the BFI indicated by the lower layer and starts the beamFailureDetectionTimer.
  • the UE does not receive SCI during the next PSCCH channel monitoring period (case 1), then the UE restarts beamFailureDetectionTimer.
  • the physical layer of the UE may indicate to the upper layer that no SCI has been received. Based on this indication, the MAC determines whether the beamFailureDetectionTimer is running. If it is running, then restart the beamFailureDetectionTimer.
  • the instruction from the physical layer to the upper layer may be that the SCI is not received, or it may be that the MAC restarts the beamFailureDetectionTimer.
  • the UE receives the SCI, but the SCI is not sent to the UE by the peer UE (case 2), then the UE determines whether the beamFailureDetectionTimer is running, and if it is running, restarts the beamFailureDetectionTimer.
  • the UE receives the SCI sent to the UE by the peer UE, but there is no SCI in the SCI. Contains reference signal indication information, or the reference signal indication information in the SCI is no (case 3), then the UE determines whether beamFailureDetectionTimer is running, and if it is running, restarts beamFailureDetectionTimer.
  • This embodiment can be used in combination with the foregoing embodiments for BFR triggering and reporting, or can be used alone for BFR triggering.
  • FIG. 3 is a block diagram illustrating user equipment 30 according to one embodiment of the present disclosure.
  • the user equipment 30 includes a processor 301 and a memory 302.
  • the processor 210 may include, for example, a microprocessor, a microcontroller, an embedded processor, or the like.
  • the memory 302 may include, for example, volatile memory (such as random access memory RAM), hard disk drive (HDD), non-volatile memory (such as flash memory), or other memory.
  • Memory 302 stores program instructions. When executed by the processor 301, the instructions may perform the above-mentioned method performed by the user equipment described in detail in this disclosure (for example, the method shown in FIG. 1).
  • the program running on the device may be a program that causes the computer to implement the functions of the embodiments of the present disclosure by controlling a central processing unit (CPU).
  • the program or information processed by the program may be temporarily stored in volatile memory (such as random access memory RAM), hard disk drive (HDD), non-volatile memory (such as flash memory), or other memory systems.
  • Programs for realizing the functions of each embodiment of the present disclosure may be recorded on a computer-readable recording medium.
  • Corresponding functions can be realized by causing the computer system to read programs recorded on the recording medium and execute these programs.
  • the so-called “computer system” here may be a computer system embedded in the device, which may include an operating system or hardware (such as peripheral devices).
  • the "computer-readable recording medium” may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a short-term dynamic storage program recording medium, or any other recording medium readable by a computer.
  • circuits eg, single-chip or multi-chip integrated circuits.
  • Circuitry designed to perform the functions described in this specification may include 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 devices, discrete door or transistor logic, discrete hardware components, or any combination of the above.
  • a general-purpose processor can be a microprocessor or any existing processor, controller, microcontroller, or state machine.
  • the above circuit may be a digital circuit or an analog circuit.
  • UE devices installed indoors or outdoors can be used as UE devices or communication devices, such as AV equipment, kitchen equipment, cleaning equipment, air conditioners, office equipment, vending machines, and other household appliances.

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

Abstract

La présente divulgation concerne un procédé exécuté par un équipement utilisateur, ainsi que l'équipement utilisateur. Le procédé exécuté par l'équipement utilisateur comprend les étapes suivantes : lorsqu'une récupération de défaillance de faisceau de liaison latérale (BFR- SL) est déclenchée, l'UE sélectionne un groupe de ressources configuré pour une récupération de défaillance de faisceau (BFR) parmi des groupes de ressources ; l'UE crée, dans le groupe de ressources sélectionné, une autorisation de liaison latérale pour transmettre une unité de données de protocole de commande d'accès au support (PDU MAC) transportant des informations relatives au BFR ; lorsque la PDU MAC est envoyée, l'UE annule le SL-BFR déclenché ; l'UE détermine si le processus BFR SL est achevé avec succès sur la base des informations envoyées par un UE d'extrémité opposée.
PCT/CN2023/082469 2022-03-21 2023-03-20 Procédé exécuté par un équipement utilisateur et équipement utilisateur WO2023179533A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112954733A (zh) * 2019-12-10 2021-06-11 夏普株式会社 由用户设备执行的方法及用户设备
CN113132037A (zh) * 2020-01-15 2021-07-16 维沃移动通信有限公司 旁链路信息的传输方法和终端设备
US20210243748A1 (en) * 2020-02-03 2021-08-05 Qualcomm Incorporated Sidelink beam failure detection
US20210392718A1 (en) * 2020-06-12 2021-12-16 Qualcomm Incorporated Sidelink drx and network-assisted sidelink beam failure detection and recovery
US20220006688A1 (en) * 2020-07-02 2022-01-06 Qualcomm Incorporated Network assisted sidelink beam failure recovery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112954733A (zh) * 2019-12-10 2021-06-11 夏普株式会社 由用户设备执行的方法及用户设备
CN113132037A (zh) * 2020-01-15 2021-07-16 维沃移动通信有限公司 旁链路信息的传输方法和终端设备
US20210243748A1 (en) * 2020-02-03 2021-08-05 Qualcomm Incorporated Sidelink beam failure detection
US20210392718A1 (en) * 2020-06-12 2021-12-16 Qualcomm Incorporated Sidelink drx and network-assisted sidelink beam failure detection and recovery
US20220006688A1 (en) * 2020-07-02 2022-01-06 Qualcomm Incorporated Network assisted sidelink beam failure recovery

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