WO2022086778A1 - Procédé de signalement de défaillance de faisceau - Google Patents

Procédé de signalement de défaillance de faisceau Download PDF

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Publication number
WO2022086778A1
WO2022086778A1 PCT/US2021/054968 US2021054968W WO2022086778A1 WO 2022086778 A1 WO2022086778 A1 WO 2022086778A1 US 2021054968 W US2021054968 W US 2021054968W WO 2022086778 A1 WO2022086778 A1 WO 2022086778A1
Authority
WO
WIPO (PCT)
Prior art keywords
bfd
network node
bfr
event
mac
Prior art date
Application number
PCT/US2021/054968
Other languages
English (en)
Inventor
Cheng-Rung Tsai
Gyu Bum Kyung
Original Assignee
Mediatek Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mediatek Inc. filed Critical Mediatek Inc.
Publication of WO2022086778A1 publication Critical patent/WO2022086778A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path

Definitions

  • the disclosed embodiments relate generally to wireless communication, and, more particularly, to beam failure reporting (BFR) procedure.
  • BFR beam failure reporting
  • Figure 1 is a simplified block diagram of a network node and a user equipment that carry out certain embodiments of the present invention.
  • UE 102 has an antenna 131, which transmits and receives radio signals.
  • a RE transceiver 132 coupled with the antenna, receives RE signals from antenna 131, converts them to baseband signals and sends them to processor 133.
  • RE transceiver 132 also converts received baseband signals from processor 133, converts them to RE signals, and sends out to antenna 131.
  • Processor 133 processes the received baseband signals and invokes different functional modules to perform features in UE 102.
  • Memory 134 stores program instructions and data 135 to control the operations of UE 102.
  • UE 102 also includes multiple function modules and circuits that carry out different tasks in accordance with embodiments of the current invention.
  • the resource configurations may comprise a plurality of beam-failure- detection reference signal (BFD-RS ) sets , CORESET pool configuration, a plurality of candidate-beam-detection RS ( CBD-RS ) sets , but the invention should not be limited thereto .
  • Beam reporting circuit 124 reports the beam monitoring results for each received UE beam .
  • the CORESET pool associated with CORESETPool Index with value 0 may be associated with a first BFD-RS set
  • the CORESET pool associated with CORESETPool Index with value 1 may be associated with a second BFD-RS set
  • the CORESET pool 310 may comprise the CORESET #a and the CORESET #b associated with CORESETPool Index with value 0
  • the CORESET pool 320 may comprise the CORESET #c and the CORESET #d associated with CORESETPool Index with value 1 .
  • TCI-states may be regarded as the RS indexes of a BFD-RS set which is associated with a CORESET pool associated with the TCI-state .
  • the RF transceiver 132 of the UE 102 may transmit a BFR request to the network node 101 through a medium-access-control control-element (MAC CE ) .
  • the MAC CE may indicate that the failure condition for the BFD-RS set is met . That is to say, the BFR request may inform the network node 101 about the beam failure for the CORESET pool associated with the BFD-RS set . The BFR request may further inform the network node 101 about an RS index in the CBD-RS set associated with the BFD- RS set .
  • the UE 102 may monitors the physical-downlink-control-channel ( PDCCH) in all CORESETs that belong to the CORESET pool associated with the BFD-RS set using the quasi co-location assumption .
  • the UE 102 may use the same antenna port quasi co-location parameters associated with the new beam RS ID to monitor the PDCCH in all CORESETs that belong to the CORESET pool associated with the BFD-RS set .
  • FIG. 4 is a flow chart of a method for beam failure reporting procedure in accordance with one novel aspect .
  • a UE receives a plurality of beamfailure-detection reference signal (BFD-RS ) sets , wherein each BFD-RS set is associated with a respective candidatebeam-detection RS ( CBD-RS ) set .
  • the UE triggers a beam failure recovery (BFR) procedure for a first BFD-RS set of the BFD-RS sets by the UE in an event that a beam failure condition for the first BFD-RS set is met.
  • the beam failure condition may be that the number of beam failure instances (BFIs) for the BFD-RS set is equal to or larger than a configured maximum number.
  • one or more RS indexes in each BFD- RS set is configured by a network node.
  • one or more RS indexes in each CBD-RS set is configured by a network node.

Landscapes

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

Abstract

L'invention concerne une procédure de signale de défaillance de faisceau. L'UE reçoit une pluralité d'ensembles de signaux de référence de détection de défaillance de faisceau (BFD-RS), en provenance du nœud de réseau, dans une partie de largeur de bande (BWP) d'une cellule de desserte. Dans chaque BWP de la cellule de desserte, le nœud de réseau transmet ou configure les ensembles BFD-RS pour l'UE via une pluralité de points d'émission/réception (TRP). Chaque ensemble BFD-RS peut être associé à un TRP respectif. Chaque ensemble BFD-RS est associé à un pool de CORESET respectif, et chaque pool de CORESET est associé à un CORESETPoolIndex. Chaque ensemble BFD-RS est associé à un ensemble RS-RS de détection de faisceau candidat (CBD-RS) respectif.
PCT/US2021/054968 2020-10-23 2021-10-14 Procédé de signalement de défaillance de faisceau WO2022086778A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202063104642P 2020-10-23 2020-10-23
US63/104,642 2020-10-23
US202163184324P 2021-05-05 2021-05-05
US63/184,324 2021-05-05

Publications (1)

Publication Number Publication Date
WO2022086778A1 true WO2022086778A1 (fr) 2022-04-28

Family

ID=81291119

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2021/054968 WO2022086778A1 (fr) 2020-10-23 2021-10-14 Procédé de signalement de défaillance de faisceau

Country Status (1)

Country Link
WO (1) WO2022086778A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220131583A1 (en) * 2019-02-01 2022-04-28 Lg Electronics Inc. Method by which terminal reports state information in wireless communication system, and terminal and base station for supporting same
WO2024092385A1 (fr) * 2022-10-31 2024-05-10 Qualcomm Incorporated Détermination d'avance temporelle pour message de canal physique de commande de liaison montante avec demande de récupération de liaison

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180227899A1 (en) * 2017-02-06 2018-08-09 Mediatek Inc. Beam Failure Recovery Mechanism for Multi-Beam Operation
US20180302889A1 (en) * 2017-04-12 2018-10-18 Samsung Electronics Co., Ltd. Method and apparatus for beam recovery in next generation wireless systems
US20190166645A1 (en) * 2017-11-29 2019-05-30 Qualcomm Incorporated Determining beam candidates for transmitting beam failure recovery signal
US20190173740A1 (en) * 2018-02-06 2019-06-06 Intel Corporation Control signaling of beam failure detection
US20190207667A1 (en) * 2018-01-04 2019-07-04 Hua Zhou Beam Failure Recovery Procedure
US20190364445A1 (en) * 2018-05-10 2019-11-28 Lg Electronics Inc. Method and apparatus for performing beam failure recovery in a wireless communication

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180227899A1 (en) * 2017-02-06 2018-08-09 Mediatek Inc. Beam Failure Recovery Mechanism for Multi-Beam Operation
US20180302889A1 (en) * 2017-04-12 2018-10-18 Samsung Electronics Co., Ltd. Method and apparatus for beam recovery in next generation wireless systems
US20190166645A1 (en) * 2017-11-29 2019-05-30 Qualcomm Incorporated Determining beam candidates for transmitting beam failure recovery signal
US20190207667A1 (en) * 2018-01-04 2019-07-04 Hua Zhou Beam Failure Recovery Procedure
US20190173740A1 (en) * 2018-02-06 2019-06-06 Intel Corporation Control signaling of beam failure detection
US20190364445A1 (en) * 2018-05-10 2019-11-28 Lg Electronics Inc. Method and apparatus for performing beam failure recovery in a wireless communication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220131583A1 (en) * 2019-02-01 2022-04-28 Lg Electronics Inc. Method by which terminal reports state information in wireless communication system, and terminal and base station for supporting same
WO2024092385A1 (fr) * 2022-10-31 2024-05-10 Qualcomm Incorporated Détermination d'avance temporelle pour message de canal physique de commande de liaison montante avec demande de récupération de liaison

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