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    METHOD AND APPARATUS FOR RACH-LESS ACTIVATION IN A WIRELESS COMMUNICATION SYSTEM
    52.
    发明公开
    METHOD AND APPARATUS FOR RACH-LESS ACTIVATION IN A WIRELESS COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20230262492A1

    公开(公告)日：2023-08-17

    申请号：US17954990

    申请日：2022-09-28

    Applicant: LG ELECTRONICS INC.

    Inventor： Myoungsoo Kim ,  Sunghoon Jung ,  Hongsuk Kim

    IPC: H04W24/08 ,  H04W74/08 ,  H04W76/19

    CPC classification number: H04W24/08 ,  H04W74/0841 ,  H04W76/19 ,  H04W80/02

    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 APPARATUS FOR HANDLING CONNECTION RE-ESTABLISHMENT IN WIRELESS COMMUNICATION SYSTEM
    55.
    发明申请
    METHOD AND APPARATUS FOR HANDLING CONNECTION RE-ESTABLISHMENT IN WIRELESS COMMUNICATION SYSTEM 有权

    公开(公告)号：US20220217599A1

    公开(公告)日：2022-07-07

    申请号：US17609199

    申请日：2020-05-15

    Applicant: LG ELECTRONICS INC.

    Inventor： Hongsuk Kim ,  Sunghoon Jung

    IPC: H04W36/00 ,  H04W36/32 ,  H04W36/30 ,  H04W76/19

    Abstract: The present disclosure relates to handling a connection re-establishment in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving a conditional mobility command; initiating a conditional mobility based on the conditional mobility command; performing a radio link monitoring (RLM) on a source cell during the conditional mobility; and performing a radio resource control (RRC) re-establishment based on that the conditional mobility fails and a radio link failure (RLF) occurs as a result of the RLM.

    LOOP PROBLEM HANDLING OF CONDITIONAL MOBILITY
    56.
    发明申请
    LOOP PROBLEM HANDLING OF CONDITIONAL MOBILITY 有权

    公开(公告)号：US20220159530A1

    公开(公告)日：2022-05-19

    申请号：US17665985

    申请日：2022-02-07

    Applicant: LG ELECTRONICS INC.

    Inventor： Hongsuk Kim ,  Sunghoon Jung ,  Sangwon Kim

    IPC: H04W36/00 ,  H04W36/30 ,  H04W76/19

    Abstract: A method and apparatus for loop problem handling of conditional mobility, e.g., conditional handover (CHO) is provided. A wireless device configured to operate in a wireless communication system receives, from a network node serving the source cell, a mobility command for conditional mobility. The mobility command includes 1) target cell configurations associated to one or more target cells, and 2) information informing that it is allowed to perform the conditional mobility up to a maximum number of trials for the conditional mobility upon detecting a failure. The wireless device selects a cell from among the one or more target cells upon detecting the failure, and performs the conditional mobility by applying a target cell configuration associated to the selected cell, from among the target cell configurations included in the mobility command, based on the information included in the mobility command.

    Method and apparatus for mobility in wireless communication system
    57.
    发明授权
    Method and apparatus for mobility in wireless communication system 有权

    公开(公告)号：US11190997B2

    公开(公告)日：2021-11-30

    申请号：US16833267

    申请日：2020-03-27

    Applicant: LG Electronics Inc.

    Inventor： Hongsuk Kim ,  Sunghoon Jung ,  Heejeong Cho

    IPC: H04W4/00 ,  H04W36/18 ,  H04W36/32 ,  H04W8/08 ,  H04W36/00 ,  H04W24/08

    Abstract: The present disclosure relates to method and apparatus for mobility in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: performing a dual active protocol stack (DAPS) mobility procedure for a mobility from a source cell to a target cell while maintaining a radio link for the source cell; performing a radio link monitoring (RLM) comprising a monitoring of a number of consecutive out-of-sync indications received on a radio link for the source cell during the DAPS mobility procedure; and after detecting a radio link failure (RLF) for the source cell based on the RLM, stopping a transmission on the radio link for the source cell during the DAPS mobility procedure.

    Method and apparatus for declaring RLF
    58.
    发明授权
    Method and apparatus for declaring RLF 有权

    公开(公告)号：US11172392B2

    公开(公告)日：2021-11-09

    申请号：US16641507

    申请日：2018-10-08

    Applicant: LG Electronics Inc.

    Inventor： Jaewook Lee ,  Hongsuk Kim ,  Youngdae Lee

    IPC: H04W76/19 ,  H04W24/10 ,  H04W24/08

    Abstract: Provided is a method for declaring a radio link failure (RLF) by a radio resource control (RRC) layer of a user equipment (UE). The method may include: receiving information on failure of beam recovery, from a lower layer of the UE; receiving at least one out-of-sync (OOS) signal, from the lower layer of the UE; and when a number of OOS signals which is received after receiving the information on failure of beam recovery satisfies a threshold value, declaring the RLF.

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