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: 20240147263
    Abstract: The disclosure relates to a fifth-generation (5G) or sixth-generation (6G) communication system for supporting a higher data transmission rate. A scheme of mobility and method and apparatus for the same, and a method performed by a first node in a communication system are provided. The method includes transmitting a first message to a second node, the first message including information related to a state in which the first node is, receiving a second message from the second node, the second message including first configuration information related to signal transmission and/or reception by the first node, and transmitting and/or receiving a signal based on the first configuration information.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 2, 2024
    Inventors: Weiwei WANG, Hong WANG, Lixiang XU
  • Publication number: 20240147317
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) is provided. The method includes transmitting, to a base station, a first message including information that a successful primary secondary cell (PSCell) report is available; receiving, from the base station, a second message requesting for the successful PSCell report; and transmitting, to the base station, a third message including the successful PSCell report.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 2, 2024
    Inventors: Lixiang XU, Weiwei WANG, Hong WANG
  • Patent number: 11968569
    Abstract: The present disclosure provides a connection reestablishment method, including: receiving a reestablishment message from a second node, the reestablishment message including information related to a configuration of the second node; performing a configuration based on the received reestablishment message; and transmitting a reestablishment complete message to the second node. The present disclosure also provides a context acquisition method, an interface management method, a UE context management method, a UE context acquisition method, a method for triggering UE to reestablish a connection, and various nodes and computer-readable medium that perform the above methods.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Weiwei Wang, Hong Wang, Lixiang Xu
  • Patent number: 11968585
    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 supporting self-configuration and self-optimization in a wireless communication system.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaoning Ma, Hong Wang, Weiwei Wang
  • Publication number: 20240129802
    Abstract: A first node in a communication system is provided. The first node includes a transceiver, and a controller configured to receive, from a second node via an adaptation layer associated with an integrated access and backhaul (IAB), indication information related to a radio link, wherein the indication information related to the radio link is a radio link failure (RLF) indication or an RLF recovery indication, wherein, in case that the indication information related to the radio link is the RLF indication, the controller is configured to initiate a connection re-establishment procedure, and wherein, in case that the indication information related to the radio link is the RLF recovery indication, the controller is configured to consider the radio link to be available again.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 18, 2024
    Inventors: Weiwei WANG, Lixiang XU, Hong WANG
  • Publication number: 20240129827
    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: Application
    Filed: December 22, 2023
    Publication date: April 18, 2024
    Inventors: Lixiang XU, Hong WANG, Qi LI, Xiaowan KE
  • Patent number: 11963050
    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).
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: April 16, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Hong Wang, Xiaoning Ma, Weiwei Wang
  • Patent number: 11950143
    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. According to an aspect of the embodiments of the present disclosure, a method for supporting handover is provided, comprising: receiving a message from a central unit control plane entity of a target base station; receiving a data packet from a source base station; and discarding a packet data convergence protocol (PDCP) service data unit (SDU) including the PDCP sequence number (SN) in the received data packet according to the indication of the message.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: April 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Hong Wang, Weiwei Wang
  • Patent number: 11950231
    Abstract: The present disclosure provides an information configuration method, an information interaction method, and an address information update method. The information configuration method may be performed by a first node, and may include: transmitting, to a second node, a first configuration request message comprising a request for a bearer context setup; receiving, from the second node, a first configuration response message comprising a response to the bearer context setup request in the first configuration request message; and establishing a bear context based on the first configuration response message, wherein the first configuration request message comprises at least one of information related to data profile, or profile indication information.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: April 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Weiwei Wang, Hong Wang, Lixiang Xu
  • Publication number: 20240107538
    Abstract: The present disclosure provides an information configuration method, an information interaction method, and an address information update method. The information configuration method may be performed by a first node, and may include: transmitting, to a second node, a first configuration request message comprising a request for a bearer context setup; receiving, from the second node, a first configuration response message comprising a response to the bearer context setup request in the first configuration request message; and establishing a bear context based on the first configuration response message, wherein the first configuration request message comprises at least one of information related to data profile, or profile indication information.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Inventors: Weiwei WANG, Hong WANG, Lixiang XU
  • Patent number: 11943827
    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.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong Wang, Xiaowan Ke, Lixiang Xu, Qi Li
  • Publication number: 20240090065
    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 relates to the field of wireless communication technologies, and discloses a method for processing an Radio Link Control (RLC) failure, an electronic device and a computer readable storage medium. The method includes: receiving, by a first network device, RLC failure related information of a user equipment (UE); processing the RLC failure correspondingly by interacting with a second network device, based on the received RLC failure related information.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Inventors: Weiwei WANG, Hong WANG, Lixiang XU
  • Publication number: 20240090062
    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 22, 2023
    Publication date: March 14, 2024
    Inventors: Weiwei WANG, Lixiang XU, Xiaowan KE, Hong WANG
  • Publication number: 20240080724
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present application provides nodes, user equipment and methods performed by the same in a wireless communication system. The method performed by a node includes: transmitting, to a target node connected by the user equipment, a first message including information related to user equipment configuration; receiving, from the target node, a second message including configuration information on the target node; transmitting, to a source node connected by the user equipment, a fourth message is used to configure the source node to perform data transmission with the user equipment in a procedure of change of the node connected by the user equipment.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 7, 2024
    Inventors: Weiwei Wang, Hong Wang, Lixiang Xu
  • 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: 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: 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: 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