Patents by Inventor Lixiang Xu

Lixiang Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240080925
    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.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 7, 2024
    Inventors: Weiwei WANG, Lixiang XU, Xiaowan KE, Hong WANG
  • Patent number: 11924651
    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.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Hong Wang, Weiwei Wang
  • Patent number: 11924144
    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.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: March 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong Wang, Lixiang Xu, Huarui Liang
  • Patent number: 11924697
    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 node is provided, comprising determining whether direct data forwarding between a third node and a second node is available, performing direct data forwarding if the direct data forwarding is available, otherwise, performing indirect data forwarding.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, He Wang, Songhui Shen, Hong Wang
  • Publication number: 20240064852
    Abstract: Embodiment of the present application provides the method comprising receiving a first message and/or transmitting a second message, to transmit a first data based on a resource configuration corresponding to the first message and/or the second message; initiating a random access request message, to transmit the first data request message first data based on the resource configuration. Based on the solutions provided by embodiments of the present disclosure, optimization of the procedure that requires data transmission when the user device is in the first connected status can be achieved.
    Type: Application
    Filed: January 7, 2022
    Publication date: February 22, 2024
    Inventors: Weiwei WANG, Hong WANG, Lixiang XU
  • Publication number: 20240049073
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate, including methods and apparatuses for supporting self-configuration and self-optimization. A method performed by a first network node in a communication system, includes receiving information related to a Master Cell Group (MCG) failure and detecting a failure cause based on the information related to the MCG failure.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 8, 2024
    Inventors: Lixiang XU, Weiwei WANG, Hong WANG
  • Publication number: 20240048955
    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 communication system includes transmitting a first message including first identity information to a second node, and receiving a second message including second identity information from the second node. The first message includes at least one of first forwarding information and first data information, the first forwarding information is used by the second node to forward data on an interface of a node indicated by the first identity information, and the first data information is used to include information of forwarded data on the interface of the node indicated by the first identity information.
    Type: Application
    Filed: August 7, 2023
    Publication date: February 8, 2024
    Inventors: Weiwei WANG, Fanhua KONG, Hong WANG, Lixiang XU
  • Publication number: 20240040455
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a first target donor node in a wireless communication system, the method comprising: transmitting, to a source donor node, a first handover request message, receiving, from the source donor node, a first handover response message corresponding to the first handover request message, and performing, a partial migration with a migrating node in case that the first handover response message indicates acknowledge (ACK).
    Type: Application
    Filed: August 1, 2023
    Publication date: February 1, 2024
    Inventors: Fanhua KONG, Weiwei WANG, Lixiang XU, Hong WANG
  • Patent number: 11889356
    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. There is provided a method for data retransmission, comprising: receiving, by a second node, a first message that is transmitted by a first node and comprises information related to a data packet; determining, by the second node, a data packet to be retransmitted according to the first message; and retransmitting the packet to be retransmitted.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: January 30, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Weiwei Wang, Lixiang Xu, Hong Wang
  • Publication number: 20240031987
    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.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Inventors: Xiaowan KE, Hong WANG, Lixiang XU
  • Publication number: 20240031984
    Abstract: A method and an apparatus for paging in a wireless communication system are provided. The method includes determining, by a radio access network (RAN) node, information for paging, where the information for paging includes information for paging a User Equipment (UE) which is related to a synchronization signal block (SSB) beam; and paging, by the RAN node, the UE in an idle state or inactive state, based on the information for paging. The method can page a UE more accurately.
    Type: Application
    Filed: June 16, 2021
    Publication date: January 25, 2024
    Inventors: Fuyuan LI, Lixiang XU, Bin WANG, Weiwei WANG, Hong WANG
  • Publication number: 20240023198
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure may provide an apparatus and method. The method comprises: receiving a request message related to a MBS from a second CN, wherein the request message carries a second TMGI and/or indication information; sending a first response message to the second core network, wherein the indication information includes at least one of an MBS unique identifier, and a first TMGI; or wherein the second TMGI has partial fields the same as that of the first TMGI.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 18, 2024
    Inventors: Hong WANG, Lixiang XU, Weiwei WANG
  • Patent number: 11877327
    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.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: January 16, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lisi Li, Weiwei Wang, Lixiang Xu, Hong Wang
  • Patent number: 11871462
    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.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: January 9, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaowan Ke, Hong Wang
  • Patent number: 11856472
    Abstract: A communication method and system for controlling and paging a user equipment (UE) are provided. The method includes receiving mobility level information of a UE, and performing at least one of handover control, measurement control, or paging for the UE according to mobility level information of the UE.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: December 26, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Hong Wang, Qi Li, Xiaowan Ke
  • Patent number: 11856629
    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.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: December 26, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Weiwei Wang, Lixiang Xu, Xiaowan Ke, Hong Wang
  • Patent number: 11855917
    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.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Weiwei Wang, Lixiang Xu, Xiaowan Ke, Hong Wang
  • Publication number: 20230413133
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method of a first integrated access and backhaul (IAB) node in a communication system including receiving, from one of the second IAB node or a third IAB node, a first message, wherein the first message includes first information related to a physical cell identification (PCI) conflict of the second IAB node; and transmitting, to the second IAB node, a second message, wherein the second message includes second information of a PCI reallocated for the second IAB node based on the first information.
    Type: Application
    Filed: June 20, 2023
    Publication date: December 21, 2023
    Inventors: Fanhua KONG, Hong WANG, Lixiang XU, Weiwei WANG
  • Publication number: 20230413355
    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 provides a method and equipment for multicast transmission, wherein the method for multicast transmission by a first network equipment comprises: sending, to a second network equipment, a first message for requesting for establishing a multicast transmission radio channel between the first network equipment and the second network equipment; and receiving, from the second network equipment, a second message in response to the first message requesting for establishing the multicast transmission radio channel between the first network equipment and the second network equipment.
    Type: Application
    Filed: October 19, 2021
    Publication date: December 21, 2023
    Inventors: Hong WANG, He WANG, Lixiang XU, Weiwei WANG, Yiyan ZHANG
  • Patent number: 11849501
    Abstract: The present disclosure provides a method for obtaining a UE counting result. The method includes: establishing, by the UE, a RRC connection; sending a UE counting response via the RRC connection; or, sending, by the UE, a RRC establishing message, and configuring a reason of establishing the RRC as MBMS UE counting. The present disclosure also provides a method for obtaining a UE counting result, a method and apparatus for suspending data transmission. By using the present disclosure, when the UE needs to receive the GCSE service, the MCE may obtain a correct counting result and not make wrong decision no matter whether the UE is in the RRC connected mode or in the idle mode. Therefore, the UE does not need to establish the point-to-point channel, and interruption of the data transmission and unnecessary power consumption are avoided.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: December 19, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong Wang, Lixiang Xu, Xiaowan Ke