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1. WO2022031045 - INTEGRATED ACCESS BACKHAULED NODE AND COMMUNICATION METHOD OF INTEGRATED ACCESS BACKHAULED NODE IN WIRELESS COMMUNICATION SYSTEM

Publication Number WO/2022/031045
Publication Date 10.02.2022
International Application No. PCT/KR2021/010283
International Filing Date 04.08.2021
IPC
H04W 76/18 2018.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
18Management of setup rejection or failure
H04W 76/19 2018.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
19Connection re-establishment
H04W 36/30 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Handoff or reselecting arrangements
24Reselection being triggered by specific parameters
30by measured or perceived connection quality data
H04W 36/00 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Handoff or reselecting arrangements
H04W 84/04 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
84Network topologies
02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN  or WLL
04Large scale networks; Deep hierarchical networks
CPC
H04W 36/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Hand-off or reselection arrangements
H04W 36/0011
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Hand-off or reselection arrangements
0005Control or signalling for completing the hand-off
0011for data session or connection
H04W 36/30
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Hand-off or reselection arrangements
24Reselection being triggered by specific parameters ; used to improve the performance of a single terminal
30by measured or perceived connection quality data
H04W 36/305
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Hand-off or reselection arrangements
24Reselection being triggered by specific parameters ; used to improve the performance of a single terminal
30by measured or perceived connection quality data
305Reselection due to radio link failure
H04W 76/18
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
18Management of setup rejection or failure
H04W 76/19
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
19Connection re-establishment
Applicants
  • 삼성전자 주식회사 SAMSUNG ELECTRONICS CO., LTD. [KR]/[KR]
Inventors
  • 황준 HWANG, June
  • 김성훈 KIM, Soenghun
  • 배범식 BAE, Beomsik
Agents
  • 리앤목 특허법인 Y.P.LEE, MOCK & PARTNERS
Priority Data
10-2020-009823705.08.2020KR
10-2020-018013721.12.2020KR
10-2021-004281701.04.2021KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) INTEGRATED ACCESS BACKHAULED NODE AND COMMUNICATION METHOD OF INTEGRATED ACCESS BACKHAULED NODE IN WIRELESS COMMUNICATION SYSTEM
(FR) NŒUD À LIAISON TERRESTRE ET ACCÈS INTÉGRÉ ET PROCÉDÉ DE COMMUNICATION DE NŒUD À LIAISON TERRESTRE ET ACCÈS INTÉGRÉ DANS UN SYSTÈME DE COMMUNICATION SANS FIL
(KO) 무선 통신 시스템에서 결합 액세스 백홀 노드 및 결합 액세스 백홀 노드의 통신 방법
Abstract
(EN) According to an embodiment of the present disclosure, a communication method of a first integrated access backhauled (IAB) node in a wireless communication system may comprise the steps of: receiving a radio link failure (RLF) detection notification from a parent IAB node; and on the basis of the reception of the RLF detection notification, performing a handover to a target cell, routing of a path other than the path via the parent IAB node, or resuming of an operation with the parent IAB node.
(FR) Selon un mode de réalisation de la présente divulgation, un procédé de communication d'un premier nœud à liaison terrestre et accès intégré (IAB) dans un système de communication sans fil peut comprendre les étapes consistant : à recevoir une notification de détection de défaillance de liaison radio (RLF) de la part d'un nœud IAB parent ; et, sur la base de la réception de la notification de détection de RLF, à réaliser un transfert intercellulaire vers une cellule cible, à acheminer un trajet autre que le trajet par l'intermédiaire du nœud IAB parent, ou à reprendre une opération avec le nœud IAB parent.
(KO) 본 개시의 일 실시예에 따르면, 무선 통신 시스템에서 제1 IAB(Integrated Access Backhauled) 노드의 통신 방법은, 부모 IAB 노드(parent IAB node)로부터 RLF(Radio Link Failure) 감지 알림(detection notification)을 수신하는 단계; 및 상기 RLF 감지 알림의 수신에 기초하여, 타겟 셀로의 핸드오버, 또는 상기 부모 IAB 노드를 통한 경로 이외의 다른 경로로의 라우팅, 또는 상기 부모 IAB 노드와의 동작 재개를 수행하는 단계를 포함할 수 있다.
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