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    Method and device for handling link failure in wireless communication system
    1.
    发明授权
    Method and device for handling link failure in wireless communication system 有权

    公开(公告)号：US12302188B2

    公开(公告)日：2025-05-13

    申请号：US17864739

    申请日：2022-07-14

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Seungbo Yoo ,  Hyungtaig Lim ,  Hwajin Cha

    IPC: H04W36/30 ,  H04W36/00

    Abstract: The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data transfer rates than 4th generation (4G) communication systems such as long term evolution (LTE). According to various embodiments of the disclosure, a method for operating a base station in which a Master Cell Group (MCG) is configured in a wireless communication system may include: detecting a failure of a Primary Cell (PCell) of a Secondary Cell Group (SCG) (PScell), transmitting inter-Radio Access Technology (RAT) measurement configuration information to a terminal based on the detection, and transmitting information on a cell identified based on the measurement configuration information to a base station in which the SCG is configured.

    Device and method for selecting cell in wireless communication system
    3.
    发明授权
    Device and method for selecting cell in wireless communication system 有权

    公开(公告)号：US11582616B2

    公开(公告)日：2023-02-14

    申请号：US17265018

    申请日：2019-08-02

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seungbo Yoo

    IPC: H04W16/24 ,  H04W48/16

    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments of the present disclosure, a device of a base station in a wireless communication system includes at least one transceiver, and at least one processor, wherein the at least one processor may be configured to: acquire cell deployment information about a plurality of cells; identify a primary cell (PCell) on the basis of measurement information; identify a secondary cell (SCell) associated with the PCell on the basis of the cell deployment information; and set up the identified SCell.

    Method and apparatus for performing dual connectivity in heterogeneous network
    6.
    发明授权
    Method and apparatus for performing dual connectivity in heterogeneous network 有权

    公开(公告)号：US11310856B2

    公开(公告)日：2022-04-19

    申请号：US16552961

    申请日：2019-08-27

    Applicant: Samsung Electronics Co., Ltd

    Inventor： Taesung Kim ,  Janghwan Kim ,  Seungbo Yoo

    IPC: H04W76/16 ,  H04W92/20

    Abstract: The present disclosure relates to a communication method and system for converging a 4th-Generation (4G) communication system or a 5th-Generation (5G) communication system for supporting higher data rates beyond the 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a central unit-control plane (CU-CP) included in a secondary node (SN) (or secondary gNB (SgNB)) in a wireless communication system supporting evolved universal terrestrial radio access and new radio dual connectivity (EN-DC) includes receiving, from a master node (MN) (or master eNB (MeNB)), a first message for requesting the SgNB to allocate a radio resource for a bearer, and transmitting a second message, including indication information indicating whether a packet data convergence protocol (PDCP) version of the bearer has been changed, to the CU-UP included in the SgNB. The indication information is generated based on the first message.

    Method and apparatus for performing dual connectivity in heterogeneous network
    7.
    发明授权
    Method and apparatus for performing dual connectivity in heterogeneous network 有权

    公开(公告)号：US12284706B2

    公开(公告)日：2025-04-22

    申请号：US17659628

    申请日：2022-04-18

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Taesung Kim ,  Janghwan Kim ,  Seungbo Yoo

    IPC: H04W76/22 ,  H04W76/16 ,  H04W92/20

    Abstract: The present disclosure relates to a communication method and system for converging a 4th-Generation (4G) or 5th-Generation (5G) communication system for supporting higher data rates beyond the 4G system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology. A method of a central unit-control plane (CU-CP) included in a secondary node (or secondary gNB (SgNB)) in a wireless communication system supporting evolved universal terrestrial radio access and new radio dual connectivity includes receiving, from a master node (or master eNB (MeNB)), a first message requesting the SgNB to allocate a radio resource for a bearer, and transmitting a second message, including indication information indicating whether a packet data convergence protocol version of the bearer has been changed, to the CU-UP included in the SgNB. The indication information is generated based on the first message.

    Apparatus and method for performing dual connectivity in wireless communication system
    8.
    发明授权
    Apparatus and method for performing dual connectivity in wireless communication system 有权

    公开(公告)号：US11863372B2

    公开(公告)日：2024-01-02

    申请号：US16585909

    申请日：2019-09-27

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seungbo Yoo ,  Weiwei Wang ,  Beomsik Bae

    IPC: H04L41/0668 ,  H04W72/04 ,  H04L5/00 ,  H04L67/10 ,  H04W28/02 ,  H04W88/02

    CPC classification number: H04L41/0668 ,  H04L67/10 ,  H04W28/0252 ,  H04W88/02

    Abstract: A method of a central unit-control plane (CU-CP) included in a base station in a wireless communication system and an apparatus therefor are provided. The method includes identifying information on a radio link of at least one cell associated with the base station, transmitting, to a central unit-user plane (CU-UP), information indicating downlink transmission stop or resume of the CU-UP included in the base station based on the information on the radio link, and transmitting, to a distributed unit (DU), information indicating downlink transmission stop or resume of the DU based on the information on the radio link. The method relates to converging a 4th-Generation (4G) or a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4G system with a technology for Internet of Things (IoT), and may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.

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