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公开(公告)号：US11096233B2
公开(公告)日：2021-08-17
申请号：US16835985
申请日：2020-03-31
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 embodiments of the present invention provide methods and devices for network access. The method includes receiving a first request message forwarded by a distributed unit in a base station and indication information of the distributed unit with respect to the first request message, the first request message requesting to connect a user equipment to a network; determining a processing to be performed on the first request message based on the indication Information; and transmitting an indication of the determined processing to the distributed unit.
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公开(公告)号：US20210112471A1
公开(公告)日：2021-04-15
申请号：US17128964
申请日：2020-12-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang XU , Weiwei Wang , Xiaowan Ke , Hong Wang , Shichang Zhang , Yingyang Li , Yi Wang , Xiaoning Ma
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 for performing access for a UE. In addition, the present disclosure discloses a data forwarding method and a data forwarding equipment, user equipment and base station. By the technical solutions disclosed in the present disclosure, a UE may help a base station to forward data of other UEs.
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公开(公告)号：US10980076B2
公开(公告)日：2021-04-13
申请号：US16068887
申请日：2017-01-04
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. The present disclosure provides a method for controlling a user equipment (UE) context and a UE connection, which includes: a first node obtains resume requirement information of a UE; the first node determines whether to resume the UE context, and/or, the UE connection, based on the resume requirement information of the UE. By adopting the present disclosure, overheads of signaling resources are reduced effectively, and resource utilization is improved.
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144.发明授权公开(公告)号：US10945124B2
公开(公告)日：2021-03-09
申请号：US15992050
申请日：2018-05-29
Applicant: Samsung Electronics Co., Ltd
Inventor： Lixiang Xu , Hong Wang
Abstract: The present invention provides a method for establishing an interface and communication between a relay node (RN) and a core network. The method may include: a base station sends an IP address of a control plane node of the core network to an RN; the RN initiates a process for establishing an interface with the control plane node corresponding to the IP address. Alternatively, the method may include: a base station sends an IP address and an identification of a control plane node of the core network to an RN; the base station sends an IP address and an identification of the RN to the control plane node of the core network; the RN and the node communicate with each other by using information of each other received from the base station. The method for establishing an interface and communication between an RN and a core network according to the present invention realizes transparent transmission of access layer signaling between a relay node and a core network via a base station, which reduces complexity of the process when the RN is in movements, makes it easier to support multiple access techniques, and reduces the complexity in network configurations.
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145.发明授权公开(公告)号：US10834772B2
公开(公告)日：2020-11-10
申请号：US16338291
申请日：2017-09-29
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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Patent Agency Ranking
公开(公告)号：US10779357B2
公开(公告)日：2020-09-15
申请号：US16570390
申请日：2019-09-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang Xu , Hong Wang , Huarui Liang
Abstract: Methods for avoiding handover failure are provided. The method includes determining, by a source Base Station (BS), to perform a handover of a User Equipment (UE); determining, by the source BS, whether a target BS connects with a user plane node serving the UE at the source BS; and releasing resources, when the target BS does not connect with the user plane node serving the UE at the source BS.
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公开(公告)号：US20200288357A1
公开(公告)日：2020-09-10
申请号：US16882306
申请日：2020-05-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang XU , Hong Wang , Huarui Liang
Abstract: A method for supporting fast recovery of a User Equipment (UE) includes performing, by a serving base station, UE context synchronization for one or more other base stations in a related small cell cluster when a UE accesses the serving base station, performing, by a base station that the UE performs a radio resource control (RRC) connection re-establishment, the RRC connection re-establishment for the UE according to UE context saved in a synchronization process. The present also discloses another method and system for supporting UE fast recovery. By applying the technical solution disclosed by the present disclosure, when the UE moves in a small cell scenario, the UE can be recovered quickly in the case of a failure, so as to avoid the UE returns to an idle mode, avoid data loss, guarantee business continuity, and improve UE experience.
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公开(公告)号：US10736009B2
公开(公告)日：2020-08-04
申请号：US15543954
申请日：2016-01-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang Xu , Xiaowan Ke , Hong Wang
Abstract: The present application discloses handover methods and apparatuses. One specific embodiment of the handover method comprises receiving a handover request message from a source base station by a target base station; determining whether to add a secondary base station for setting up a dual-connectivity for a user equipment (UE) according to the handover request message; and performing a handover operation and a dual-connectivity setup operation in response to the determination of adding the secondary base station. The dual-connectivity can be set up for the UE during the handover in the embodiments.
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149.发明授权公开(公告)号：US10727925B2
公开(公告)日：2020-07-28
申请号：US16324727
申请日：2017-08-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hong Wang , Lixiang Xu , Xiaowan Ke
Abstract: In accordance with an aspect of the present disclosure, a method for supporting movement of a user equipment (UE) by a central unit (CU) in wireless communications is provided. The method includes transmitting beam measurement configuration information to the UE; and receiving information of a candidate beam transmitted by a distributed unit (DU); wherein the information of the candidate beam is obtained by the DU based on a beam measurement result, and wherein the beam measurement result is obtained by the UE through measuring one or more beam signals based on the beam measurement configuration information.
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公开(公告)号：US10517130B2
公开(公告)日：2019-12-24
申请号：US16429342
申请日：2019-06-03
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang Xu , Hong Wang
Abstract: A method for data forwarding in a small cell system comprises: sending by a master base station (MeNB) to a target secondary base station (SeNB) information of a source SeNB or a source SeNB cell where a user equipment (UE) is located; determining by the target SeNB whether a direct data forwarding is feasible; notifying, by the target SeNB, the MeNB whether the direct data forwarding is feasible; and determining by the MeNB whether it is a direct data forwarding or an indirect data forwarding. The method for data forwarding provided in the present application may support both the direct data forwarding and the indirect data forwarding based on actual situation of the network, reduce data loss and failure of data forwarding, and improve the efficiency of data forwarding.
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