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    Method and device for transmitting data and storage medium thereof
    3.
    发明授权
    Method and device for transmitting data and storage medium thereof 有权

    公开(公告)号：US11310759B2

    公开(公告)日：2022-04-19

    申请号：US17058083

    申请日：2019-05-23

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Xiaoning Ma ,  Lixiang Xu

    IPC: H04W68/02 ,  H04W88/08 ,  H04W60/04 ,  H04W8/08 ,  H04W48/18 ,  H04W68/00

    Abstract: The embodiments of the present disclosure propose a method performed at a first node for transmitting data, comprising: receiving downlink data to be transmitted to a User Equipment (UE) in a non-connected state; and determining whether to buffer the downlink data. The method further comprises: when it is determined that the downlink data is to be buffered, if the first node is a first type of node, determining that a paging procedure is not to be initiated for the UE in the non-connected state, or if the first node is a second type of node, notifying the second node that the downlink data has been buffered, so that the second node determines that the paging procedure is not to be initiated for the UE in the non-connected state. There are further provided a method performed at a second node and corresponding devices and storage media.

    Master node, secondary node and user equipment in mobile communication network and communication methods therebetween
    5.
    发明授权
    Master node, secondary node and user equipment in mobile communication network and communication methods therebetween 有权

    公开(公告)号：US12273776B2

    公开(公告)日：2025-04-08

    申请号：US17764630

    申请日：2020-09-29

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Xiaoning Ma ,  Hong Wang ,  Lixiang Xu ,  Weiwei Wang

    IPC: H04W36/00 ,  H04W36/30 ,  H04W76/11 ,  H04W76/18 ,  H04W76/34

    Abstract: The present disclosure discloses a master node, a secondary node and a user equipment in a mobile communication network and communication methods thereof. According to an implementation, a method performed by a master node (MN) in a mobile communication network, comprises with receiving from a user equipment (UE), a first message including information reporting a failure of a secondary cell group (SCG) in case that a secondary node change from the source secondary node to a first target secondary node is failed and transmitting, to the source secondary node, a second message including information associated with a failure of the secondary node change, wherein the second message includes at least one of following information, an identifier of the first target secondary node where the failure of the secondary node change occurs, an identifier of the source secondary node to which the UE successfully connects before the failure of the secondary node change, and information on a type of the failure of the secondary node change.

    Method for supporting handover in mobile communication network
    7.
    发明授权
    Method for supporting handover in mobile communication network 有权

    公开(公告)号：US11963050B2

    公开(公告)日：2024-04-16

    申请号：US18169108

    申请日：2023-02-14

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Lixiang Xu ,  Hong Wang ,  Xiaoning Ma ,  Weiwei Wang

    IPC: H04W36/00 ,  H04W36/08

    CPC classification number: H04W36/0069 ,  H04W36/0033 ,  H04W36/0066 ,  H04W36/08

    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 embodiments, an access and mobility management function (AMF) comprises at least one transceiver; and at least one processor, wherein the at least one processor is configured to receive, a mobility management entity (MME) for an evolved node B (eNB), a message associated with a handover required message for an inter-system handover from an evolved packet system (EPS) to 5G system (5GS) with a secondary gNB (SgNB) used as a target next generation node B (gNB), wherein the SgNB and the target gNB are co-located and the eNB is associated with the SgNB in a dual connectivity; transmit, to the target gNB, a handover request message for the inter-system handover from the EPS to 5GS with the SgNB used as the target gNB; and receive, from the target gNB, an acknowledge of the handover request message. The handover required message includes an SgNB user equipment (UE) X2 application protocol ID (SgNB UE X2AP ID) for identifying a UE over X2 interface in the SgNB. The handover request message includes the SgNB UE X2AP ID, and the SgNB UE X2AP ID is allocated at the SgNB.

    METHODS AND APPARATUSES FOR PROCESSING UE CONTEXT OF UE
    8.
    发明申请
    METHODS AND APPARATUSES FOR PROCESSING UE CONTEXT OF UE 有权

    公开(公告)号：US20180035336A1

    公开(公告)日：2018-02-01

    申请号：US15550764

    申请日：2016-02-12

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jun Wang ,  Lixiang Xu ,  Xiaoning Ma ,  Yu Qiu

    IPC: H04W36/00

    Abstract: The present application discloses a method and an apparatus for processing a UE context of a UE. In a specific embodiment of the method, a base station receives the UE context from a UE; and the base station, according to the received UE context, performs at least one of: optimizing a service strategy of the base station, optimizing a scheduling mode of the base station; and optimizing a handover procedure for the UE. The embodiment utilizes the UE context to provide the UE with services more effectively.

    Method for supporting handover in mobile communication network
    10.
    发明授权
    Method for supporting handover in mobile communication network 有权

    公开(公告)号：US11611917B2

    公开(公告)日：2023-03-21

    申请号：US16947231

    申请日：2020-07-23

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Lixiang Xu ,  Hong Wang ,  Xiaoning Ma ,  Weiwei Wang

    IPC: H04W36/00 ,  H04W36/08

    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 embodiments, an access and mobility management function (AMF) comprises at least one transceiver; and at least one processor, wherein the at least one processor is configured to receive, a mobility management entity (MME) for an evolved node B (eNB), a message associated with a handover required message for an inter-system handover from an evolved packet system (EPS) to 5G system (5GS) with a secondary gNB (SgNB) used as a target next generation node B (gNB), wherein the SgNB and the target gNB are co-located and the eNB is associated with the SgNB in a dual connectivity; transmit, to the target gNB, a handover request message for the inter-system handover from the EPS to 5GS with the SgNB used as the target gNB; and receive, from the target gNB, an acknowledge of the handover request message. The handover required message includes an SgNB user equipment (UE) X2 application protocol ID (SgNB UE X2AP ID) for identifying a UE over X2 interface in the SgNB. The handover request message includes the SgNB UE X2AP ID, and the SgNB UE X2AP ID is allocated at the SgNB.

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