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1. WO2022164103 - METHOD AND APPARATUS FOR REPORTING INFORMATION RELATED TO UNDELIVERABLE PACKETS BY IAB NODE IN WIRELESS COMMUNICATION SYSTEM

Publication Number WO/2022/164103
Publication Date 04.08.2022
International Application No. PCT/KR2022/000795
International Filing Date 17.01.2022
IPC
H04L 45/28 2022.1
H04L 45/00 2022.1
H04L 47/17 2022.1
H04W 28/02 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
28Network traffic or resource management
02Traffic management, e.g. flow control or congestion control
H04L 47/34 2022.1
H04W 40/22 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
40Communication routing or communication path finding
02Communication route or path selection, e.g. power-based or shortest path routing
22using selective relaying for reaching a BTS or an access point
CPC
H04L 45/28
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
28Route fault recovery
H04L 47/17
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
47Traffic regulation in packet switching networks
10Flow control or congestion control
17Hop by hop
H04L 47/34
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
47Traffic regulation in packet switching networks
10Flow control or congestion control
34Sequence integrity, e.g. sequence numbers
H04W 28/0263
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
28Network traffic or resource management
02Traffic management, e.g. flow control or congestion control
0252per individual bearer or channel
0263involving mapping traffic to individual bearers or channels, e.g. traffic flow template [TFT]
H04W 40/22
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
40Communication routing or communication path finding
02Communication route or path selection, e.g. power-based or shortest path routing
22using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
Applicants
  • LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • LEE, Gyeongcheol
  • JUNG, Sunghoon
Agents
  • KBK & ASSOCIATES
Priority Data
10-2021-001091926.01.2021KR
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR REPORTING INFORMATION RELATED TO UNDELIVERABLE PACKETS BY IAB NODE IN WIRELESS COMMUNICATION SYSTEM
(FR) PROCÉDÉ ET APPAREIL PERMETTANT DE RAPPORTER DES INFORMATIONS RELATIVES À DES PAQUETS NON DÉLIVRABLES PAR UN NŒUD IAB DANS UN SYSTÈME DE COMMUNICATION SANS FIL
Abstract
(EN) The present invention relates to a method of performing relay operations by a first node in a wireless communication system. In particular, the method includes the steps of: receiving at least one packet to be forwarded to a second node through a first path; and transmitting the at least one packet to the second node; and based on the at least one packet not being successfully transmitted to the second node, transmitting a transmission failure notification message to a third node through a second path; wherein the transmission failure notification message includes at least one of a bearer identifier and a sequence number associated with the at least one packet.
(FR) La présente invention concerne un procédé de réalisation d'opérations de relais au moyen d'un premier nœud dans un système de communication sans fil. Le procédé comprend en particulier les étapes consistant à : recevoir au moins un paquet devant être transféré à un deuxième nœud par l'intermédiaire d'un premier trajet ; transmettre ledit au moins un paquet au deuxième nœud ; et, si ledit au moins un paquet n'est pas transmis avec succès au deuxième nœud, transmettre un message de notification de défaillance de transmission à un troisième nœud par l'intermédiaire d'un second trajet. Le message de notification de défaillance de transmission contient un identifiant de porteuse et/ou un numéro de séquence associé audit au moins un paquet.
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