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公开(公告)号：US11212048B2
公开(公告)日：2021-12-28
申请号：US16611212
申请日：2018-05-04
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. In the present disclosure, by an interface between the first network equipment and the second network equipment, the transmission of duplicated data packets between the first network equipment and the second network equipment is realized, and the reliability of data transmission is improved. The present disclosure also discloses a method and device for transferring supplementary uplink carrier configuration information and a method and device for performing a connection mobility adjustment.
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公开(公告)号：US11206591B2
公开(公告)日：2021-12-21
申请号：US16701635
申请日：2019-12-03
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang Xu , Hong Wang
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 and equipment for handover are provided. The method includes informing, by a source base station, a source core network whether a direct data forwarding path is available, determining, by the source core network, whether to use direct data forwarding or indirect data forwarding, informing, by the source core network, a target core network of information of direct data forwarding, indirect data forwarding or data forwarding being not possible, informing, by the target core network, a target base station of the information of direct data forwarding, indirect data forwarding or data forwarding being not possible, and allocating, by the target base station, tunnel information for data forwarding.
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公开(公告)号：US11160002B2
公开(公告)日：2021-10-26
申请号：US16638349
申请日：2018-08-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang Xu , Hong Wang , Xiaowan Ke , Weiwei Wang
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 invention 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 comprises receiving, from an access and mobility management function (AMF), a handover request message including E-UTRAN radio access bearer (E-RAB) information and quality of service (Qos) flow information, identifying whether a protocol data unit (PDU) session is accepted or not, determining whether a data forwarding for at least one Qos flow associated with the PDU session is accepted or not based on the E-RAB information and the Qos flow information in case that the PDU session is accepted and transmitting, to the AMF, a handover request acknowledgement message including information on the at least one Qos flow based on the determination. 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：US20210321474A1
公开(公告)日：2021-10-14
申请号：US17302617
申请日：2021-05-07
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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公开(公告)号：US11044006B2
公开(公告)日：2021-06-22
申请号：US16363979
申请日：2019-03-25
Applicant: Samsung Electronics Co., Ltd
Inventor： Lixiang Xu , Hong Wang , Huarui Liang
Abstract: A method enabling an relay node (RN) to support multiple wireless access techniques is provided, which includes: a mobility management element (MME) requests a DeNB to establish evolved radio access bearers (ERAB) of EUTRAN and indicates access network information that will be transmitted by each of the ERABs; the DeNB requests an RN to establish radio bearers (RB) and indicates the access network information that will be transmitted by each of the RBs. The above method makes fewer modifications to conventional networks and techniques, guarantees service quality provided for a UE accessing an LTE system, and enables an RN to support access of UEs using multiple access techniques.
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Patent Agency Ranking
公开(公告)号：US10993271B2
公开(公告)日：2021-04-27
申请号：US15749440
申请日：2016-08-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hong Wang , Lixiang Xu , Xiaowan Ke
Abstract: Embodiments of the present disclosure provide a UE access method, including: a UE receiving information of supported type(s) of respective cell of a base station broadcasted by the respective cell, wherein the information of the supported type(s) of the respective cell comprises UE type(s) supported by the respective cell; and the UE comparing the type of the UE and the UE type(s) supported by the respective cell, and selecting a cell supporting the type of the UE and transmit an RRC connection setup request message to the selected cell, wherein the RRC connection setup request comprises the type of the UE. The present disclosure further provides several other UE access methods and devices. According to the present disclosure, the method and device which can select different access network of different types for different types of users, the user requirement is met and the network utilization ratio is increased.
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公开(公告)号：US10863477B2
公开(公告)日：2020-12-08
申请号：US16557381
申请日：2019-08-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Lixiang Xu , Xiaowan Ke
Abstract: An embodiment of the present disclosure provides a method for supporting paging of a low complexity UE, including: determining, by a target base station during handover of a UE, whether a source base station during the handover supports low complexity UE, and transmitting paging capability information of the UE to a Mobility Management Entity MME in response to determining that the source base station does not support low complexity UE, wherein the paging capability information of the UE is used by the MME for paging the UE. The method provided by embodiments of the present disclosure is able to enhance paging with respect to the low complexity UE.
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公开(公告)号：US10856112B2
公开(公告)日：2020-12-01
申请号：US16089854
申请日：2017-03-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hong Wang , Lixiang Xu , Xiaowan Ke
Abstract: Disclosed are 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), which 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 disclosure relates to wireless communications technologies, and more particularly, a method and an apparatus for transmitting a vehicle to everything (V2X) message via an enhanced Multimedia Broadcast Multimedia Service (eMBMS) bearer.
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公开(公告)号：US10805852B2
公开(公告)日：2020-10-13
申请号：US16090140
申请日：2017-03-31
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
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.
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公开(公告)号：US10791486B1
公开(公告)日：2020-09-29
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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