Method and apparatus for secondary base station change in mobile wireless communication system

    公开(公告)号:US12058572B2

    公开(公告)日:2024-08-06

    申请号:US18109865

    申请日:2023-02-15

    Applicant: BLACKPIN INC.

    Inventor: Soenghun Kim

    CPC classification number: H04W36/0069 H04W36/0058

    Abstract: A method and apparatus for secondary base station change in a mobile communication system are provided. Method for secondary node change includes receiving conditional reconfiguration information from the base station, transmitting to the base station a first response message with an transaction identifier, performing evaluation based on the configuration generated by a second base station and transmitting a second response message with an identifier indicating which conditional reconfiguration is executed.

    METHOD AND APPARATUS FOR TERMINAL TO STORE AND DISCARD SEGMENTED RADIO RESOURCE CONTROL MESSAGE IN MOBILE WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20240260100A1

    公开(公告)日:2024-08-01

    申请号:US18632299

    申请日:2024-04-11

    Inventor: Soenghun Kim

    CPC classification number: H04W76/10 H04W24/10

    Abstract: A Method and Apparatus for application layer measurement reporting upon synchronous reconfiguration is provided. The method includes transmitting to the base station a terminal capability information message about the application layer measurement and conditional handover and the reception of segmented downlink RRC message, receiving from the base station a first RRC reconfiguration message containing a other configuration and first information for SRB4, receiving a second RRC reconfiguration message containing a third RRC reconfiguration message from said base station, discarding the segments of the segmented RRC messages stored in the RRC when said third RRC reconfiguration message is applied due to the conditional reconfiguration execution, and discarding the segmented RRC messages stored in the PDCP when PDCP reestablishment is set in the second information for SRB4.

    METHOD AND APPARATUS FOR SUPPORTING LAYER-2 MOBILITY

    公开(公告)号:US20240237125A1

    公开(公告)日:2024-07-11

    申请号:US18613163

    申请日:2024-03-22

    Inventor: Soenghun Kim

    CPC classification number: H04W76/20 H04W74/0833

    Abstract: A method may comprise receiving, from a base station, at least one Radio Resource Control (RRC) message. The at least one RRC message may comprise: first configuration information associated with at least one first cell; and second configuration information associated with at least one second cell. The method may comprise while the first configuration information and the second configuration information are configured for the wireless device: performing, based on the second configuration information, wireless communication via at least one cell of the at least one second cell; receiving a first Medium Access Control (MAC) Control Element (CE), wherein the first MAC CE comprises an identifier associated with the first configuration information; and based on the first MAC CE, performing, using at least one parameter of the first configuration information, wireless communication via at least one cell of the at least one first cell.

    METHOD AND APPARATUS FOR PERFORMING MIMO OPERATION ON A SET OF CELLS BASED ON LAYER 2 MOBILITY IN MOBILE WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20240236781A1

    公开(公告)日:2024-07-11

    申请号:US18613153

    申请日:2024-03-22

    Inventor: Soenghun Kim

    CPC classification number: H04W36/0072 H04W36/08

    Abstract: A method performed by a wireless device may comprise: receiving, from a base station, at least one Radio Resource Control (RRC) message, wherein the at least one RRC message comprises: first configuration information indicating a Transmission Configuration Index (TCI) state list of a first cell; and second configuration information indicating a TCI state list of a second cell; receiving, from the base station and via the second cell, a first Medium Access Control (MAC) Control Element (CE), wherein the first MAC CE comprises an identifier associated with the first configuration information and associated with a first TCI state identifier, and wherein the first TCI state identifier indicates a first TCI state of the TCI state list of the first cell; monitoring, based on the first MAC CE and based on the first TCI state, Physical Downlink Control Channel (PDCCH) associated with the first cell; receiving, from the base station and via the first cell, a second MAC CE, wherein the second MAC CE comprises an identifier associated with the second configuration information and associated with a second TCI state identifier, and wherein the second TCI state identifier indicates a second TCI state of the TCI state list of the second cell; and monitoring, based on the second MAC CE and based on the second TCI state, PDCCH associated with the second cell.

    METHOD AND APPARATUS FOR PERFORMING MEASUREMENT IN NON-TERRESTRIAL NETWORK

    公开(公告)号:US20240215104A1

    公开(公告)日:2024-06-27

    申请号:US18597972

    申请日:2024-03-07

    Inventor: Soenghun Kim

    CPC classification number: H04W76/27 H04W24/10

    Abstract: A Method and Apparatus for measurement in non-terrestrial network is provided. The method includes receiving a measurement configuration IE and a conditional reconfiguration IE, performing conditional reconfiguration evaluation based on the measurement configuration IE and a conditional reconfiguration IE, considering the first cell as a triggered cell and applying the stored condRRCReconfig IE of the first cell. In the evaluation, at least two comparisons are performed based on a distance hysteresis and distance between the terminal and one or more reference positions.

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