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    Communication method, apparatus, electronic device and computer readable storage medium
    13.
    发明授权
    Communication method, apparatus, electronic device and computer readable storage medium 有权

    公开(公告)号：US11997528B2

    公开(公告)日：2024-05-28

    申请号：US17507038

    申请日：2021-10-21

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Weiwei Wang ,  Hong Wang ,  Lixiang Xu

    IPC: H04W28/06 ,  H04W28/02 ,  H04W28/04

    CPC classification number: H04W28/0242 ,  H04W28/04 ,  H04W28/06

    Abstract: The 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). a communication method, apparatus, electronic device, and computer-readable storage medium, and relate to the field of wireless communication technology are provided. The method may be executed by the first node, and may include receiving a first message transmitted by a second node, wherein the first message is used by the first node to configure transmission and/or storage of a user data packet. Based on the solution provided by the embodiments of the disclosure, it may effectively improve one or more of the following problems: data packet loss, network resource waste, transmission failure and the like that may be caused by the migration of relay nodes in the network.

    Method for supporting handover in mobile communication network
    15.
    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.

    ELECTRONIC EQUIPMENT AND METHOD THEREOF
    16.
    发明公开
    ELECTRONIC EQUIPMENT AND METHOD THEREOF 审中-公开

    公开(公告)号：US20240080724A1

    公开(公告)日：2024-03-07

    申请号：US18262673

    申请日：2022-01-21

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Weiwei Wang ,  Hong Wang ,  Lixiang Xu

    IPC: H04W36/00 ,  H04W36/08

    CPC classification number: H04W36/0069 ,  H04W36/08

    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present application provides nodes, user equipment and methods performed by the same in a wireless communication system. The method performed by a node includes: transmitting, to a target node connected by the user equipment, a first message including information related to user equipment configuration; receiving, from the target node, a second message including configuration information on the target node; transmitting, to a source node connected by the user equipment, a fourth message is used to configure the source node to perform data transmission with the user equipment in a procedure of change of the node connected by the user equipment.

    Method and a device for data retransmission
    17.
    发明授权
    Method and a device for data retransmission 有权

    公开(公告)号：US11889356B2

    公开(公告)日：2024-01-30

    申请号：US17261437

    申请日：2019-08-09

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Weiwei Wang ,  Lixiang Xu ,  Hong Wang

    IPC: H04W28/14 ,  H04L1/08 ,  H04L47/30 ,  H04L49/9005 ,  H04W72/21

    CPC classification number: H04W28/14 ,  H04L1/08 ,  H04L47/30 ,  H04L49/9005 ,  H04W72/21

    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 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. There is provided a method for data retransmission, comprising: receiving, by a second node, a first message that is transmitted by a first node and comprises information related to a data packet; determining, by the second node, a data packet to be retransmitted according to the first message; and retransmitting the packet to be retransmitted.

    Method and device for supporting handover
    18.
    发明授权
    Method and device for supporting handover 有权

    公开(公告)号：US11523309B2

    公开(公告)日：2022-12-06

    申请号：US17333983

    申请日：2021-05-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Lixiang Xu ,  Hong Wang ,  Weiwei Wang

    IPC: H04W36/00 ,  H04W36/08

    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 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. According to an aspect of the embodiments of the present disclosure, a method for supporting handover is provided, comprising: receiving a message from a central unit control plane entity of a target base station; receiving a data packet from a source base station; and discarding a packet data convergence protocol (PDCP) service data unit (SDU) including the PDCP sequence number (SN) in the received data packet according to the indication of the message. The problem of coordinated work between the source base station and the target base station during the handover process may be solved. Especially when the source base station and/or the target base station support the separation of the control plane and the user plane, ensure that the central unit control plane entity of the source base station, the central unit user plane entity of the source base station, the central unit control plane entity of the target base station and/or the central unit user plane entity of the target base station may fully coordinately work.

    Method and device for routing data packet, and method and device for controlling data packet transmission
    19.
    发明授权
    Method and device for routing data packet, and method and device for controlling data packet transmission 有权

    公开(公告)号：US12160810B2

    公开(公告)日：2024-12-03

    申请号：US17625544

    申请日：2020-07-10

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Weiwei Wang ,  Hong Wang ,  Lixiang Xu

    IPC: H04W40/22 ,  H04W40/34 ,  H04W84/04

    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). The embodiments of the present application provide a method and a device for routing a data packet, and a method and a device for controlling a data packet transmission. The data packet routing method includes: receiving a first message transmitted by a first node; and determining a transmission path of the data packet according to the first message. The method provided in the present application achieves that a node in a relay network can determine a condition for transmitting the data packet by using other transmission paths, thereby effectively using multiple transmission paths to implement the data packet transmission.

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