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    METHOD AND APPARATUS FOR SUPPORTING SUPPLEMENTARY UPLINK FREQUENCIES IN NEXT GENERATION MOBILE COMMUNICATION SYSTEM
    44.
    发明申请
    METHOD AND APPARATUS FOR SUPPORTING SUPPLEMENTARY UPLINK FREQUENCIES IN NEXT GENERATION MOBILE COMMUNICATION SYSTEM 有权

    公开(公告)号：US20230140356A1

    公开(公告)日：2023-05-04

    申请号：US18148344

    申请日：2022-12-29

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sangbum KIM ,  Jaehyuk JANG ,  Soenghun KIM ,  Alexander SAYENKO

    IPC: H04W48/12 ,  H04W52/38 ,  H04W48/02 ,  H04W72/044 ,  H04W74/08

    Abstract: The present disclosure relates to a communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology. The present disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car, connected car, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. The present disclosure provides a method for preventing a legacy terminal from camping on an enhanced LTE (eLTE) base station that is connected to only a next generation (NG) core by combining a legacy information element (IE) and a new IE carried in system information broadcast by the base station in a next generation mobile communication system.

    METHOD AND DEVICE FOR RE-ESTABLISHING PDCP IN WIRELESS COMMUNICATION SYSTEM
    45.
    发明申请
    METHOD AND DEVICE FOR RE-ESTABLISHING PDCP IN WIRELESS COMMUNICATION SYSTEM 有权

    公开(公告)号：US20220232657A1

    公开(公告)日：2022-07-21

    申请号：US17715839

    申请日：2022-04-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seungri JIN ,  Alexander SAYENKO ,  Soenghun KIM ,  Donggun KIM

    IPC: H04W76/19 ,  H04W76/27 ,  H04W36/08 ,  H04W80/08

    Abstract: Disclosed are a communication technique for merging IoT technology with a 5G communication system for supporting a data transmission rate higher than that of a 4G system and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security, and safety related services, and the like) on the basis of 5G communication technology and IoT-related technology. The present invention relates to operations of a terminal and a base station in a mobile communication system. The present invention provides a method by which a terminal re-establishes a PDCP in a wireless communication system, the method comprising the steps of: receiving a message including PDCP re-establishment information on a DRB from a base station in which an RRC connection is set up; checking whether the PDCP re-establishment information includes configuration information of an SDAP layer; and determining whether to perform a PDCP re-establishment procedure for changing the DRB operating as a PDCP of a first system into a PDCP of a second system on the basis of the checking result.

    METHOD AND APPARATUS FOR SUPPORTING SUPPLEMENTARY UPLINK FREQUENCIES IN NEXT GENERATION MOBILE COMMUNICATION SYSTEM
    46.
    发明申请
    METHOD AND APPARATUS FOR SUPPORTING SUPPLEMENTARY UPLINK FREQUENCIES IN NEXT GENERATION MOBILE COMMUNICATION SYSTEM 有权

    公开(公告)号：US20210243681A1

    公开(公告)日：2021-08-05

    申请号：US17301664

    申请日：2021-04-09

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sangbum KIM ,  Jaehyuk JANG ,  Soenghun KIM ,  Alexander SAYENKO

    IPC: H04W48/12 ,  H04W52/38 ,  H04W48/02 ,  H04W72/04 ,  H04W74/08

    Abstract: The present disclosure relates to a communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology. The present disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car, connected car, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. The present disclosure provides a method for preventing a legacy terminal from camping on an enhanced LTE (eLTE) base station that is connected to only a next generation (NG) core by combining a legacy information element (IE) and a new IE carried in system information broadcast by the base station in a next generation mobile communication system.

    METHOD AND APPARATUS FOR COMMUNICATION IN WIRELESS MOBILE COMMUNICATION SYSTEM
    49.
    发明申请
    METHOD AND APPARATUS FOR COMMUNICATION IN WIRELESS MOBILE COMMUNICATION SYSTEM 有权

    公开(公告)号：US20210120463A1

    公开(公告)日：2021-04-22

    申请号：US17113603

    申请日：2020-12-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Donggun KIM ,  Soenghun KIM ,  Sangbum KIM ,  Alexander SAYENKO ,  Seungri JIN

    IPC: H04W36/00 ,  H04W76/28 ,  H04W76/27 ,  H04W74/00 ,  H04L5/00

    Abstract: Disclosed is a method performed by a terminal, including receiving a first radio resource control (RRC) connection release message for transitioning into an RRC inactive state, the first RRC connection release message including a resume identity and a next hop chaining count, in case that uplink data occurs in the RRC inactive state, transmitting, to a base station, a random access preamble, receiving, from the base station, a random access response including timing alignment information and an uplink grant, transmitting, to the base station, the uplink data with an RRC connection resume request message including the resume identity, and receiving, from the base station, a second RRC connection release message as a response to the RRC connection resume request message.

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