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11.发明申请METHODS, SYSTEMS AND DEVICES FOR SUPPORTING LOCAL BREAKOUT IN SMALL CELL ARCHITECTURE 审中-公开用于在小型建筑中支持本地断开的方法，系统和设备公开(公告)号：US20160183127A1
公开(公告)日：2016-06-23
申请号：US14910494
申请日：2014-08-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang XU , Xiaowan KE , Hong WANG
CPC classification number: H04W28/10 , H04W8/082 , H04W8/14 , H04W28/0289 , H04W36/125 , H04W84/045 , H04W88/16 , H04W92/20
Abstract: The present disclosure discloses methods, systems and devices for supporting local breakout in a small cell architecture. A MME sends information of a local breakout bearer for a UE to a MeNB, and the MeNB determines a local home network to which the local breakout bearer belongs according to the received information. When the MeNB is to switch the local breakout bearer between different eNBs, the MeNB selects an eNB in the local home network to which the local breakout bearer belongs as a target eNB. By the present disclosure, the continuity of local breakout traffic may be ensured when a User Equipment (UE) moves in a small cell scenario, thereby avoiding data loss and improving user experiences. Further, a local breakout bearer may be released timely and reasonably, thereby saving system resources.
Abstract translation: 本公开公开了用于支持小单元架构中的本地突围的方法，系统和设备。 MME向MeNB发送用于UE的本地突围承载的信息，并且MeNB根据接收的信息确定本地突围承载所属的本地归属网络。 当MeNB切换不同eNB之间的本地突围承载时，MeNB选择本地突发承载所属的本地家庭网络中的eNB作为目标eNB。 通过本公开，当用户设备（UE）在小小区场景中移动时，可以确保本地突围业务的连续性，从而避免数据丢失并改善用户体验。 此外，可以及时，合理地释放本地突围载体，从而节省系统资源。
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公开(公告)号：US20240324042A1
公开(公告)日：2024-09-26
申请号：US18680291
申请日：2024-05-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hong WANG , Lixiang XU , Xiaowan KE
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.
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公开(公告)号：US20230354108A1
公开(公告)日：2023-11-02
申请号：US18330744
申请日：2023-06-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang XU , Hong WANG , Xiaowan KE
CPC classification number: H04W36/0016 , H04W36/0033 , 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). The present invention provides a method for supporting handover, comprising the steps of: informing, by a source base station, a core network whether a direct data forwarding path is available; deciding, by the core network, whether to use direct data forwarding or indirect data forwarding; informing, by the core network, a target base station of information about the direct data forwarding or indirect data forwarding; allocating, by the target base station, data forwarding tunnel information, the target base station allocating the data forwarding tunnel information according to the received information about the direct data forwarding or indirect data forwarding; transmitting, by the target base station, the allocated data forwarding tunnel information to the core network; and informing, by the core network, the source base station of the data forwarding tunnel information. With the present invention, different data forwarding methods are supported to prevent data loss and ensure service continuity.
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公开(公告)号：US20220158785A1
公开(公告)日：2022-05-19
申请号：US17561424
申请日：2021-12-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Weiwei WANG , Lixiang XU , Xiaowan KE , Hong WANG
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.
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15.发明申请公开(公告)号：US20220116880A1
公开(公告)日：2022-04-14
申请号：US17556777
申请日：2021-12-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang XU , Hong WANG , Xiaowan KE
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.
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Patent Agency Ranking
公开(公告)号：US20210084705A1
公开(公告)日：2021-03-18
申请号：US17093091
申请日：2020-11-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hong WANG , Xiaowan KE , Lixiang XU , Qi LI
Abstract: A method and an apparatus of establishing dual-connectivity to transmit data are disclosed. A PCell of the UE carries out a mapping function and realizes a PDCP layer, a RLC layer, a MAC layer and a physical layer, and a SCell of the UE carries out quality packet data to data radio bearer mapping and realizes a PDCP layer, a MAC layer and a physical layer, in which a core network transmits data of the UE to the PCell, the PCell maps a QoS Flow of the data of the UE which is quality packet data to a data radio bearer on a mapping layer, performs path split, transmits data of respective paths to the UE through the PCell and SCell of the UE, and the UE regroups the data of the respective paths on the PDCP layer, and transmits the regrouped data to an application layer.
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公开(公告)号：US20210067933A1
公开(公告)日：2021-03-04
申请号：US17098218
申请日：2020-11-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Xiaowan KE , Lixiang XU , Hong WANG
Abstract: The present invention provides a method for determining an TOT service, comprising the following steps of: acquiring, by a first node, TOT capacity information and/or TOT preference information from a second node; and, determining, by the first node, an TOT behavior of a UE according to the acquired TOT capacity information and/or TOT preference information. The present application further discloses a corresponding equipment for determining an TOT service. The present application further discloses a method and equipment for controlling an TOT service behavior, and a method and equipment for selecting a core network node. With the present application, the overhead for signaling resources can be effectively reduced, and the utilization ratio of resources can be improved.
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公开(公告)号：US20200229023A1
公开(公告)日：2020-07-16
申请号：US16628868
申请日：2018-08-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Xiaowan KE , Hong WANG , Lixiang XU
Abstract: The disclosure provides a method and an apparatus for operating and controlling a data flow. The method includes steps of: acquiring, by a first node, information on a Quality-of-Service (QoS) flow and/or resource information on a node; and deciding, by the first node, whether to accept the QoS flow and/or performance result information for the QoS flow, according to the acquired resource information on the node and/or the acquired information on the QoS flow.
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公开(公告)号：US20200187063A1
公开(公告)日：2020-06-11
申请号：US16790065
申请日：2020-02-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang XU , Xiaowan KE , Hong WANG
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.
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公开(公告)号：US20200029204A1
公开(公告)日：2020-01-23
申请号：US16587928
申请日：2019-09-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hong WANG , Lixiang XU , Xiaowan KE
IPC: H04W8/26 , H04W76/20 , H04W76/12 , H04W76/22 , H04W76/11 , H04W76/27 , H04W24/10 , H04W74/08 , H04W74/00
Abstract: Disclosed is a method for access of a user equipment (UE) in a communication system, which includes the UE, a base station, and a network node. The base station carries out radio link control (RLC) layer and media access control (MAC) layer functions. The network node carries out packet data convergence protocol (PDCP) layer, radio resource control (RRC) layer, and non-access (NAS) layer functions. The method includes the network node receiving a non-access stratum identifier of the UE or a random number generated by the UE sent from the UE through a RRC message, and the network node sending the received non-access stratum identifier or the random number to the base station, for the base station to set a UE collision dismiss identifier.
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