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    METHOD AND APPARATUS FOR RACH-LESS SCG-ACTIVATION IN A WIRELESS COMMUNICATION SYSTEM
    73.
    发明公开
    METHOD AND APPARATUS FOR RACH-LESS SCG-ACTIVATION IN A WIRELESS COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：EP4228308A1

    公开(公告)日：2023-08-16

    申请号：EP22198147.5

    申请日：2022-09-27

    Applicant: LG ELECTRONICS INC.

    Inventor： KIM, Myoungsoo ,  JUNG, Sunghoon ,  KIM, Hongsuk

    IPC: H04W24/00 ,  H04L5/00 ,  H04W76/19 ,  H04B7/08 ,  H04W72/02 ,  H04W74/08

    Abstract: A method and apparatus for RACH-less activation in a wireless communication system is provided. The wireless device deactivates a Secondary Cell Group (SCG). The wireless device detects a beam failure of a Primary SCell (PSCell) in the SCG. The wireless device initiates a SCG failure information procedure to report the SCG failure. The wireless device skips a Media Access Control (MAC) reset procedure, wherein the MAC reset procedure includes stopping a Time Alignment Timer (TAT) for the SCG; transmitting SCG failure information. The wireless device determines that a random access procedure is not needed for activation of the SCG, based on the TAT being not expired.

    METHOD AND DEVICE FOR INDICATING TYPE OF BEARER USED FOR NEXT MESSAGE IN WIRELESS COMMUNICATION SYSTEM
    76.
    发明公开
    METHOD AND DEVICE FOR INDICATING TYPE OF BEARER USED FOR NEXT MESSAGE IN WIRELESS COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：EP3913966A1

    公开(公告)日：2021-11-24

    申请号：EP21185916.0

    申请日：2018-03-23

    Applicant: LG Electronics Inc.

    Inventor： LEE, Youngdae ,  KIM, Hongsuk ,  KIM, Sangwon ,  LEE, Jaewook

    IPC: H04W28/02 ,  H04W76/27 ,  H04W76/15

    Abstract: Provided are a method and a device for receiving information indicating the type of a signaling radio bearer (SRB) in a wireless communication system. A user equipment (UE): receives a first radio resource control (RRC) message including information indicating the type of SRB on which a second RRC message, which is a message corresponding to the first RRC message, is to be transmitted; and transmits the second RRC message via the type of SRB indicated by the information indicating the type of SRB. Accordingly, the type of bearer on which a first message is received and the type of bearer on which a second message is transmitted in a single RRC procedure may be identical or mutually different.

    METHOD AND APPARATUS FOR PERFORMING BEAM RECOVERY IN WIRELESS COMMUNICATION SYSTEM
    79.
    发明公开
    METHOD AND APPARATUS FOR PERFORMING BEAM RECOVERY IN WIRELESS COMMUNICATION SYSTEM 审中-实审

    公开(公告)号：EP4376314A1

    公开(公告)日：2024-05-29

    申请号：EP22846222.2

    申请日：2022-07-20

    Applicant: LG Electronics Inc.

    Inventor： KANG, Jiwon ,  JUNG, Sunghoon ,  KIM, Hongsuk

    IPC: H04B7/0408 ,  H04B7/06 ,  H04B17/318 ,  H04W74/08 ,  H04L5/00

    CPC classification number: H04B7/0408 ,  H04B7/06 ,  H04B17/318 ,  H04W74/08 ,  H04L5/00

    Abstract: Disclosed are a method and apparatus for performing beam recovery in a wireless communication system. A method for performing beam failure recovery (BFR) in a wireless communication system, according to an embodiment of the present disclosure, may comprise the steps of: identifying a first control resource set (CORESET) pool and a second CORESET pool, on the basis of configuration information; on the basis that beam failure regarding a spatial parameter associated with the first CORESET pool is detected, transmitting a physical random access channel (PRACH) for the BFR, on the basis of a spatial parameter associated with the second CORESET pool; receiving a response regarding the PRACH, on the basis of the spatial parameter associated with the second CORESET; transmitting MAC-CE for the BFR, on the basis of the spatial parameter associated with the second CORESET pool; and receiving a response regarding the MAC-CE, on the basis of the spatial parameter associated with the second CORESET pool.

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