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1. KR1020220017863 - 무선 통신 시스템에서 결합 액세스 및 백홀 시스템을 위한 개선된 셀 선택 및 실패 처리 방법 및 장치

Office
Republic of Korea
Application Number 1020210102775
Application Date 04.08.2021
Publication Number 1020220017863
Publication Date 14.02.2022
Publication Kind A
IPC
H04W 76/18
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
18Management of setup rejection or failure
H04W 36/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Handoff or reselecting arrangements
H04W 36/30
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 76/19
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
19Connection re-establishment
H04W 84/04
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 76/18
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
18Management of setup rejection or failure
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 36/305
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 76/19
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
76Connection management
10Connection setup
19Connection re-establishment
H04W 84/047
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
84Network topologies
02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
04Large scale networks; Deep hierarchical networks
042Public Land Mobile systems, e.g. cellular systems
047using dedicated repeater stations
Applicants 삼성전자주식회사
Inventors 황준
김성훈
배범식
Agents 리앤목특허법인
Priority Data 1020200098237 05.08.2020 KR
1020200180137 21.12.2020 KR
1020210042817 01.04.2021 KR
Title
(KO) 무선 통신 시스템에서 결합 액세스 및 백홀 시스템을 위한 개선된 셀 선택 및 실패 처리 방법 및 장치
Abstract
(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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