Global Patent Index - EP 4252457 A1

EP 4252457 A1 20231004 - METHOD AND APPARATUS FOR REPORTING INFORMATION RELATED TO UNDELIVERABLE PACKETS BY IAB NODE IN WIRELESS COMMUNICATION SYSTEM

Title (en)

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

Title (de)

VERFAHREN UND VORRICHTUNG ZUR MELDUNG VON INFORMATIONEN IM ZUSAMMENHANG MIT UNZUSTELLBAREN PAKETEN DURCH EINEN IAB-KNOTEN IN EINEM DRAHTLOSKOMMUNIKATIONSSYSTEM

Title (fr)

PROCÉDÉ ET APPAREIL PERMETTANT DE RAPPORTER DES INFORMATIONS RELATIVES À DES PAQUETS NON DÉLIVRABLES PAR UN NOEUD IAB DANS UN SYSTÈME DE COMMUNICATION SANS FIL

Publication

EP 4252457 A1 20231004 (EN)

Application

EP 22763478 A 20220209

Priority

  • KR 20210029050 A 20210304
  • KR 2022001954 W 20220209

Abstract (en)

[origin: WO2022186493A1] The present invention relates to a method of performing data transmission by an Integrated Access and Backhaul (IAB) node associated with both a first Central Unit (CU) and a second CU in a wireless communication system. Especially, the IAB node forwards a packet provided from at least one of the first and second CUs to a User Equipment (UE). In particular, the method includes the steps of: transmitting at least one first packet to the UE, wherein the at least one first packet is provided from the first CU; receiving information about security configuration related to a second CU; transmitting the information about security configuration to the UE, based on at least one second packet being provided firstly from the second CU after receiving the security configuration message; and transmitting the at least one second packet to the UE.

IPC 8 full level

H04W 36/00 (2009.01); H04W 36/02 (2009.01); H04W 36/08 (2009.01); H04W 84/04 (2009.01); H04W 92/20 (2009.01)

CPC (source: EP KR)

H04W 12/04 (2013.01 - KR); H04W 12/37 (2021.01 - EP); H04W 36/0038 (2013.01 - EP KR); H04W 36/00692 (2023.05 - KR); H04W 36/02 (2013.01 - KR); H04W 84/047 (2013.01 - KR); H04W 92/20 (2013.01 - KR); H04W 84/047 (2013.01 - EP); H04W 88/085 (2013.01 - EP); H04W 92/20 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022186493 A1 20220909; EP 4252457 A1 20231004; EP 4252457 A4 20240612; KR 20230117621 A 20230808

DOCDB simple family (application)

KR 2022001954 W 20220209; EP 22763478 A 20220209; KR 20237024220 A 20220209