公开(公告)号：US12156102B2

公开(公告)日：2024-11-26

申请号：US17816938

申请日：2022-08-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hong Wang ,  Weiwei Wang ,  Lixiang Xu

IPC: H04W4/06 ,  H04W28/02

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a first node in a wireless communication system, including receiving, from a second node, downlink user data through a first radio bearer, the downlink user data including multicast service data; transmitting, to at least one UE, the downlink user data through a second radio bearer; and transmitting, to the second node, a downlink data delivery status including PDCP sequence number information, wherein the PDCP sequence number information includes a higher PDCP sequence number between a highest PDCP sequence number successfully delivered in sequence associated with a first transmission mode and a highest PDCP sequence number transmitted to lower layers associated with a second transmission mode.

公开(公告)号：US12143883B2

公开(公告)日：2024-11-12

申请号：US18340706

申请日：2023-06-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Hong Wang ,  Xiaowan Ke ,  Weiwei Wang

IPC: H04W36/00 ,  H04W36/30

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. The present disclosure provides a method of a base station for supporting an inter-system handover from an evolved packet system (EPS) system to a 5th generation (5G) system. The method solves the data forwarding problem during the movement of a UE between an LTE system and a 5G system, so that the loss of data is avoided and the continuity of services is ensured.

公开(公告)号：US12133156B2

公开(公告)日：2024-10-29

申请号：US17490408

申请日：2021-09-30

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W40/24 ,  H04W28/06 ,  H04W40/12

CPC classification number: H04W40/248 ,  H04W28/06 ,  H04W40/12

Abstract: A method and a base station for determining transmission paths are provided. The method includes determining that multiple transmission paths are to be configured for each of one or more terminals, and determining first configuration information of a terminal group corresponding to each terminal, which is used for configuring multiple transmission paths for a terminal in the terminal group. The disclosure reduces the complexity and computation amount of configuring transmission paths and improves the system performance.

公开(公告)号：US12114203B2

公开(公告)日：2024-10-08

申请号：US18196735

申请日：2023-05-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Xiaowan Ke ,  Lixiang Xu ,  Hong Wang

IPC: H04W28/02 ,  H04W76/12 ,  H04W76/15 ,  H04W76/30

CPC classification number: H04W28/0268 ,  H04W28/0263 ,  H04W76/12 ,  H04W76/15 ,  H04W76/30

Abstract: Methods and apparatuses are provided in a wireless communication system. A first message is transmitted, to a secondary base station, for querying a first secondary cell group (SCG) configuration associated with the secondary base station. A second message is received from the secondary base station after transmitting the first message. The first message includes information indicating that the master base station requests the first SCG configuration, and the second message includes information on the first SCG configuration.

公开(公告)号：US12052784B2

公开(公告)日：2024-07-30

申请号：US17657921

申请日：2022-04-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Weiwei Wang ,  Lixiang Xu ,  Hong Wang

IPC: H04W76/15 ,  H04B7/155 ,  H04L41/0806 ,  H04W28/02 ,  H04W72/20 ,  H04W72/56 ,  H04W80/02

CPC classification number: H04W76/15 ,  H04B7/155 ,  H04L41/0806 ,  H04W28/0252 ,  H04W72/20 ,  H04W72/56 ,  H04W80/02

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 the present application, a method for transmitting control signaling in a relay network comprises: a second relay node acquires a first control signaling and a second control signaling, wherein the first control signaling contains an F1AP message; the second relay node processes the first control signaling and the second control signaling in the same manner or different manners; and the second relay node transmits the first control signaling and the second control signaling to a first relay node.

公开(公告)号：US12028916B2

公开(公告)日：2024-07-02

申请号：US17122435

申请日：2020-12-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong Wang ,  Lixiang Xu ,  Xiaowan Ke

IPC: H04W76/15 ,  H04W28/02 ,  H04W76/11 ,  H04W76/12 ,  H04W76/27 ,  H04W80/08 ,  H04W84/20

CPC classification number: H04W76/15 ,  H04W28/0257 ,  H04W76/11 ,  H04W76/12 ,  H04W76/27 ,  H04W80/08 ,  H04W84/20

Abstract: Embodiments of the present invention provide a dual-connectivity (DC) establishment method and device. The first DC architecture includes a Master Node (MN) and a Secondary Node (SN), wherein the SN includes a Central Unit (CU) and a Distributed Unit (DU); and, the CU includes a Control Plane functional entity (CP) and a User Plane functional entity (UP). The method includes steps of: receiving, by an SN-CP, a first SN setup request message transmitted by an MN; transmitting a first resource setup request message to an SN-UP according to the first SN setup request message, and receiving a first resource setup response message transmitted by the SN-UP; and, transmitting, by the SN-CP, a first bearer setup request message to an SN-DU, and receiving a first bearer setup response message transmitted by the SN-DU.

公开(公告)号：US12028752B2

公开(公告)日：2024-07-02

申请号：US18169515

申请日：2023-02-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong Wang ,  Lixiang Xu ,  Xiaowan Ke

IPC: H04W28/08 ,  H04W28/086 ,  H04W28/24 ,  H04W76/15 ,  H04W28/02 ,  H04W92/20

CPC classification number: H04W28/08 ,  H04W28/0865 ,  H04W28/24 ,  H04W76/15 ,  H04W28/0268 ,  H04W92/20

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 method for operating a primary base station in a wireless communication system is provided. The method includes transmitting, to a secondary base station, an addition request message, wherein the addition request message carries information of a secondary cell group (SCG) split bearer; and receiving, from the secondary base station, a response message of the addition request message.

公开(公告)号：US12016069B2

公开(公告)日：2024-06-18

申请号：US17657921

申请日：2022-04-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Weiwei Wang ,  Lixiang Xu ,  Hong Wang

IPC: H04W76/15 ,  H04B7/155 ,  H04L41/0806 ,  H04W28/02 ,  H04W72/20 ,  H04W72/56 ,  H04W80/02

CPC classification number: H04W76/15 ,  H04B7/155 ,  H04L41/0806 ,  H04W28/0252 ,  H04W72/20 ,  H04W72/56 ,  H04W80/02

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 the present application, a method for transmitting control signaling in a relay network comprises: a second relay node acquires a first control signaling and a second control signaling, wherein the first control signaling contains an F1AP message; the second relay node processes the first control signaling and the second control signaling in the same manner or different manners; and the second relay node transmits the first control signaling and the second control signaling to a first relay node.

公开(公告)号：US11950143B2

公开(公告)日：2024-04-02

申请号：US17930945

申请日：2022-09-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Hong Wang ,  Weiwei Wang

IPC: H04W36/00 ,  H04W36/08

CPC classification number: H04W36/0022 ,  H04W36/0033 ,  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.

公开(公告)号：US11877327B2

公开(公告)日：2024-01-16

申请号：US17370940

申请日：2021-07-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lisi Li ,  Weiwei Wang ,  Lixiang Xu ,  Hong Wang

IPC: H04W76/10 ,  H04W48/08

CPC classification number: H04W76/10 ,  H04W48/08

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. A method performed by a first entity in a wireless communication system is provided. The method includes transmitting connection assistance information to a second entity in the wireless communication system.