公开(公告)号：US11924651B2

公开(公告)日：2024-03-05

申请号：US17451436

申请日：2021-10-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Hong Wang ,  Weiwei Wang

IPC: H04W24/02 ,  H04W24/04 ,  H04W36/30 ,  H04W76/18 ,  H04W76/19

CPC classification number: H04W24/02 ,  H04W24/04 ,  H04W36/305 ,  H04W76/18 ,  H04W76/19

Abstract: The present disclosure relates to a base station that supports self-configuration and self-optimization and a method thereof. A method performed by a target base station in a mobile communication system includes: receiving a radio link failure (RLF) report of a user equipment (UE) from a source base station or a third base station; detecting a reason for an occurrence of a failure based on the RLF report of the UE; and transmitting a message to the source base station based on the detected reason for the occurrence of the failure.

公开(公告)号：US11924144B2

公开(公告)日：2024-03-05

申请号：US16673676

申请日：2019-11-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong Wang ,  Lixiang Xu ,  Huarui Liang

IPC: H04L5/00 ,  H04W28/22

CPC classification number: H04L5/0096 ,  H04W28/22

Abstract: A system for configuring a UE-AMBR includes a MME to send the UE-AMBR to an eNB covering the serving cell of the UE, the eNB covering the serving cell of the UE establishes a radio access bearer of the UE on at least one secondary cell. The MME sends an AMBR of the UE in the primary eNB covering the serving cell of the UE and an AMBR of the UE in a secondary eNB to the primary eNB. The primary eNB sends the AMBR of the secondary eNB to the corresponding secondary eNB. The technical solutions of the present disclosure can make total rate of all non-GBR services of the UE be not larger than the UE-AMBR when the UE has multiple S1 bearers or one S1 bearer.

公开(公告)号：US11871462B2

公开(公告)日：2024-01-09

申请号：US18174257

申请日：2023-02-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Xiaowan Ke ,  Hong Wang

IPC: H04W28/08 ,  H04W28/12 ,  H04W76/11 ,  H04W36/00 ,  H04W36/08 ,  H04W36/18 ,  H04W36/38 ,  H04W76/15

CPC classification number: H04W76/11 ,  H04W36/0058 ,  H04W36/0061 ,  H04W36/0069 ,  H04W36/0094 ,  H04W36/08 ,  H04W36/18 ,  H04W36/38 ,  H04W76/15

Abstract: An embodiment of the present disclosure may provide an inter-MeNB handover method in a small cell system, including: making, by a source MeNB and/or target MeNB, a determination as to whether to maintain a SeNB when handover is performed; and triggering different handover processes according to a result of the determination as to whether to maintain the SeNB. Another embodiment of the present disclosure may further provide an inter-MeNB handover device in a small cell system. With the inter-MeNB handover method and device in a small cell system provided by the present disclosure, unnecessary deletion and re-establishment of the bearers at the SeNB for the UE may be reduced. False bearer deletion may be avoided and data forwarding may be reduced. Furthermore, the SeNB may be maintained according to network deployment and SGW re-selection may be supported. Therefore, system capacity and transmission speed of the data may be improved.

公开(公告)号：US11855917B2

公开(公告)日：2023-12-26

申请号：US17561424

申请日：2021-12-23

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L5/00 ,  H04W76/22 ,  H04W72/29

CPC classification number: H04L5/0032 ,  H04W72/29 ,  H04W76/22

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 present disclosure discloses a system, a data transmission method and a network equipment supporting a Packet Data Convergence Protocol (PDCP) duplication function. The data transmission method supporting a PDCP duplication function comprises the steps of: transmitting, by a first network equipment, a configuration instruction message of a radio bearer supporting a PDCP duplication function to a second network equipment; and, performing, by the first network equipment and the second network equipment, transmission of a data packet of the radio bearer configured with the PDCP duplication function.

公开(公告)号：US11778587B2

公开(公告)日：2023-10-03

申请号：US17472234

申请日：2021-09-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Xiaowan Ke ,  Hong Wang ,  Lixiang Xu

IPC: H04W68/02 ,  H04W8/02 ,  H04W76/10 ,  H04W68/00 ,  H04W76/25 ,  H04W76/28 ,  H04W76/19

CPC classification number: H04W8/02 ,  H04W68/00 ,  H04W76/10 ,  H04W76/25 ,  H04W76/28 ,  H04W76/19

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 application provides a method for light connection control for a User Equipment (UE), comprising the following steps of: acquiring, by a first radio access network node, light connection information for a UE; storing, by the first radio access network node, the acquired light connection Information; and, performing, by the first radio access network node, light connection control of the UE based on the acquired light connection information for the UE. By adopting the technical scheme disclosed in the present application, the signaling overhead can be saved, and the delay of the UE access network can be reduced.

公开(公告)号：US11736971B2

公开(公告)日：2023-08-22

申请号：US17816659

申请日：2022-08-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Weiwei Wang ,  Hong Wang ,  Lixiang Xu

IPC: H04W28/00 ,  H04W28/02 ,  H04W76/12 ,  H04B7/155 ,  H04L41/0803

CPC classification number: H04W28/0252 ,  H04B7/155 ,  H04L41/0803 ,  H04W76/12

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). The disclosure provides a method and apparatus for configuring a relay node. A first node transmits to a second node a message that carries information on a radio bearer for a user accessing the second node. Configuration of the radio bearer for data transmission in a multi-hop network is realized through the above method and apparatus.

公开(公告)号：US11683736B2

公开(公告)日：2023-06-20

申请号：US17322675

申请日：2021-05-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Xiaowan Ke ,  Hong Wang ,  Gert Jan Van Lieshout

IPC: H04W36/18 ,  H04W76/20 ,  H04W36/02 ,  H04W76/14 ,  H04W76/27 ,  H04W8/22 ,  H04W24/08 ,  H04W52/02 ,  H04W80/02 ,  H04W74/08 ,  H04W80/08

CPC classification number: H04W36/18 ,  H04W8/22 ,  H04W24/08 ,  H04W36/02 ,  H04W52/0206 ,  H04W76/14 ,  H04W76/20 ,  H04W76/27 ,  H04W74/0833 ,  H04W80/02 ,  H04W80/08 ,  Y02D30/70

Abstract: The present application discloses a method and eNB equipment for supporting seamless handover. The method comprises the following steps of: receiving, by a target eNB, random access information or an RRC connection reconfiguration completion message from a UE; transmitting, by the target eNB, a data transmission stopping indication message to a source eNB; and, stopping, by the source eNB, transmitting downlink data to the UE, and/or stopping, by the source eNB, receiving uplink data from the UE. The present invention further provides several other methods and eNB equipments for supporting seamless handover. By the methods for supporting seamless handover provided by the present invention, the delay of data transmission and the unnecessary data transmission or unnecessary data monitoring of a source eNB can be avoided, the waste of resources and the power consumption can be reduced, and the missing and duplication transmission of data can be avoided.

公开(公告)号：US11638144B2

公开(公告)日：2023-04-25

申请号：US17240173

申请日：2021-04-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong Wang ,  Lixiang Xu ,  Xiaowan Ke

IPC: H04W8/26 ,  H04W76/20 ,  H04W76/12 ,  H04W74/00 ,  H04W74/08 ,  H04W76/22 ,  H04W76/11 ,  H04W76/27 ,  H04W24/10 ,  H04W80/02 ,  H04W80/08

Abstract: Methods and apparatuses are provided through which a first node transmits, to a second node, a first message include a radio resource control (RRC) message associated with a terminal and an identifier allocated to the terminal to identify the terminal over an interface. The first node receives, from the second node, a second message including an identifier allocated to the terminal, an identifier of a data radio bearer, and uplink tunnel information. The first node transmits, to the second node, a third message including downlink tunnel information. The first node includes a radio link control (RLC) layer, a medium access control (MAC) layer, and a physical (PHY) layer. The second node includes an RRC layer and a packet data convergence protocol (PDCP) layer.

公开(公告)号：US11596012B2

公开(公告)日：2023-02-28

申请号：US16961225

申请日：2019-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lixiang Xu ,  Hong Wang ,  Weiwei Wang

IPC: H04W56/00 ,  H04W76/15 ,  H04W76/27 ,  H04W88/08 ,  H04L61/5007

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 disclosure provide a method for operating a centralized unit-control plane (CU-CP). The method includes acquiring, by the CU-CP in a base station, information regarding at least one centralized unit-user plane (CU-UP) connected to a distributed unit (DU), and selecting, by the CU-CP, a CU-UP, among the at least one CU-UP, suitable for an access of a user equipment, according to the information regarding the at least one CU-UP connected to the DU.

公开(公告)号：US11589262B2

公开(公告)日：2023-02-21

申请号：US16497216

申请日：2018-03-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong Wang ,  Lixiang Xu ,  Xiaowan Ke

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

Abstract: A pre-5th-Generation (5G) or 5G communication system is 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. The addition request message carries information of a secondary cell group (SCG) split bearer. The method further includes receiving, from the secondary base station, a response message of the addition request message.