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1. WO2020197328 - TX UE OPERATION METHOD RELATED TO RLF REPORT BY TX UE HAVING ESTABLISHED LINK AFTER RANDOM ACCESS PROCEDURE IN WIRELESS COMMUNICATION SYSTEM

Publication Number WO/2020/197328
Publication Date 01.10.2020
International Application No. PCT/KR2020/004225
International Filing Date 27.03.2020
IPC
H04W 76/18 2018.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
18Management of setup rejection or failure
H04W 76/14 2018.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
14Direct-mode setup
H04W 76/30 2018.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
30Connection release
H04W 4/40 2018.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
4Services specially adapted for wireless communication networks; Facilities therefor
30Services specially adapted for particular environments, situations or purposes
40for vehicles, e.g. vehicle-to-pedestrians
CPC
H04W 4/40
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
4Services specially adapted for wireless communication networks; Facilities therefor
30Services specially adapted for particular environments, situations or purposes
40for vehicles, e.g. vehicle-to-pedestrians [V2P]
H04W 72/04
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
04Wireless resource allocation
H04W 74/0833
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled ; or contention based; access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
0833using a random access procedure
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 박기원 PARK, Giwon
  • 이영대 LEE, Youngdae
  • 이승민 LEE, Seungmin
  • 서한별 SEO, Hanbyul
  • 이종율 LEE, Jongyoul
Agents
  • 특허법인(유한)케이비케이 KBK & ASSOCIATES
Priority Data
10-2019-003613228.03.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) TX UE OPERATION METHOD RELATED TO RLF REPORT BY TX UE HAVING ESTABLISHED LINK AFTER RANDOM ACCESS PROCEDURE IN WIRELESS COMMUNICATION SYSTEM
(FR) PROCÉDÉ DE FONCTIONNEMENT D'ÉQUIPEMENT UTILISATEUR TX RELATIF À UN RAPPORT RLF PAR UN ÉQUIPEMENT UTILISATEUR TX AYANT UNE LIAISON ÉTABLIE APRÈS UNE PROCÉDURE D'ACCÈS ALÉATOIRE DANS UN SYSTÈME DE COMMUNICATION SANS FIL
(KO) 무선통신시스템에서 랜덤 액세스 절차 후 링크를 수립한 TX UE의 RLF의 보고 관련된 TX UE의 동작 방법
Abstract
(EN)
An embodiment relates to an operation method of a Tx UE in a wireless communication system, the method comprising the steps of: transmitting, by a Tx UE, a random access preamble corresponding to a synchronization signal block (SSB); receiving, by the Tx UE, a random access response as a response to the random access preamble; establishing a link with an Rx UE by the Tx UE; and on the basis of a sidelink radio link failure (RLF), transmitting a radio resource control (RRC) message to a base station by the Tx UE, wherein the RRC message is related to a report of the sidelink RLF to the base station, and includes a destination ID related to the sidelink RLF.
(FR)
Un mode de réalisation concerne un procédé de fonctionnement d'un UE Tx dans un système de communication sans fil, le procédé comprenant les étapes consistant à: transmettre, par un UE Tx, un préambule d'accès aléatoire correspondant à un bloc de signal de synchronisation (SSB); recevoir, par l'UE Tx, une réponse d'accès aléatoire en réponse au préambule d'accès aléatoire; établir une liaison avec un UE Rx par l'UE Tx; et sur la base d'une défaillance de liaison radio de liaison latérale (RLF), transmettre une commande de ressource radio (RRC) à une station de base par l'UE Tx, le message RRC étant lié à un rapport de la RLF de liaison latérale à la station de base, et comprenant un ID de destination associé à la RLF de liaison latérale.
(KO)
일 실시예는, 무선통신시스템에서, Tx UE의 동작 방법에 있어서, Tx UE가 synchronization signal block (SSB)에 상응하는 랜덤 액세스 프리앰블을 전송하는 단계; 상기 Tx UE가 상기 랜덤 액세스 프리앰블에 대한 응답으로써 랜덤 액세스 응답을 수신하는 단계; 상기 Tx UE가 Rx UE과 링크를 수립하는 단계; 상기 Tx UE가 사이드링크 Radio Link Failure (RLF)에 기초하여, 기지국으로 Radio Resource Control (RRC) 메시지를 전송하는 단계를 포함하며, 상기 RRC 메시지는 상기 사이드링크 RLF의 상기 기지국으로의 보고에 관련된 것이며, 상기 RRC 메시지는 상기 사이드링크 RLF에 관련된 Destination ID를 포함하는, 방법이다.
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