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).

  • Patent number: 11558916
    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: November 9, 2020
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong Wang, Xiaowan Ke, Lixiang Xu, Qi Li
  • Patent number: 11558789
    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 controlling Wireless Local Area Network (WLAN) aggregation and an associated equipment. The method comprises the following steps of: acquiring, by a first radio access network node, WLAN information about a User Equipment (UE); and, controlling, by the first radio access network node, WLAN aggregation for the UE according to the acquired WLAN information. A second radio access network node decides whether to maintain a WT and/or whether to establish WLAN aggregation for the UE when the UE moves to a first radio access network; and, the second radio access network node transmits information about whether to maintain the WT and/or indication information about whether to establish the WLAN aggregation for the UE.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: January 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xiaowan Ke, Hong Wang, Lixiang Xu
  • Publication number: 20230010625
    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: Application
    Filed: September 14, 2022
    Publication date: January 12, 2023
    Inventors: Lixiang XU, Xiaoning MA, Hong WANG, Weiwei WANG
  • Publication number: 20230007543
    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: Application
    Filed: September 9, 2022
    Publication date: January 5, 2023
    Inventors: Lixiang XU, Hong WANG, Weiwei WANG
  • Patent number: 11546811
    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.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: January 3, 2023
    Inventors: Lixiang Xu, Weiwei Wang, Xiaowan Ke, Hong Wang, Shichang Zhang, Yingyang Li, Yi Wang, Xiaoning Ma
  • Patent number: 11523309
    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: May 28, 2021
    Date of Patent: December 6, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Hong Wang, Weiwei Wang
  • Publication number: 20220386160
    Abstract: The embodiment of the present disclosure provides a method for reporting and configuring MDT measurement, apparatus and electronic device using the same and medium. The method may be performed by a first access network node and includes: obtaining first MDT configuration information; performing MDT measurement according to the first MDT configuration information to obtain a first MDT measurement report; transmitting the first MDT measurement report to a first node, so that the first node combines a second MDT measurement report associated with the first MDT measurement report obtained by the first node with the first MDT measurement report; and/or receiving a third MDT measurement report transmitted by a second access network node, combining the third MDT measurement report and the first MDT measurement report, and transmitting the combined measurement report to a second node.
    Type: Application
    Filed: September 25, 2020
    Publication date: December 1, 2022
    Inventors: Hong WANG, Lixiang XU, Weiwei WANG
  • Patent number: 11516816
    Abstract: The present disclosure provides a method and a device for performing remote interference management. The method comprises receiving, from a victim gNB, at least one RIM-reference signal (RS); transmitting, from a distributed unit (DU) of the aggressor gNB to a central unit (CU) of the aggressor gNB, a message comprising RIM information; and determining to stop monitoring the at least one RIM-RS based on the RIM information.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Fuyuan Li, Hong Wang, Weiwei Wang, Lixiang Xu
  • Publication number: 20220369152
    Abstract: The 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 disclosure provides a method and apparatus for configuring a relay node. A first node transmits to a second node a message that carries information on a radio bearer for a user accessing the second node. Configuration of the radio bearer for data transmission in a multi-hop network is realized through the above method and apparatus.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Inventors: Weiwei WANG, Hong WANG, Lixiang XU
  • Publication number: 20220361086
    Abstract: A method and a base station for determining transmission paths are provided. The method includes determining that multiple transmission paths are to be configured for each of one or more terminals, and determining first configuration information of a terminal group corresponding to each terminal, which is used for configuring multiple transmission paths for a terminal in the terminal group. The disclosure reduces the complexity and computation amount of configuring transmission paths and improves the system performance.
    Type: Application
    Filed: September 30, 2021
    Publication date: November 10, 2022
    Inventors: Yanru WANG, Xiaoning MA, Hong WANG, Lixiang XU, Weiwei WANG, Lei WANG
  • Publication number: 20220353636
    Abstract: A positioning configuration method in a wireless communication system and an electronic device are disclosed. The method performed by a first node includes: identifying that a user equipment (UE) enters into an inactive state, and transmitting, to a second node, a message including information associated with a reservation of a positioning related configuration, wherein the positioning related configuration is not released for the UE in the inactive state based on the message.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Inventors: Lisi LI, Lixiang XU, Hong WANG, Weiwei WANG
  • Publication number: 20220353750
    Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure provides a method and equipment for supporting a handover, which discloses: a method performed by a first node in a wireless communication network, including: receiving a handover request message from a core network node; sending a first message including an indication of direct data forwarding to a second node; and receiving a second message including information on data forwarding tunnel allocated by the second node from the second node.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Inventors: Lixiang XU, Xiaoning MA, Hong WANG
  • Publication number: 20220353784
    Abstract: A data transfer method, apparatus and device, and a computer-readable storage medium are provided. The method executed by a third node includes sending a first request message to a fourth node, and receiving a first response message sent by the fourth node, the first response message being indicative of connection of a first node to the fourth node through a second node. By the method, the connection of the first node to the fourth node through the second node is achieved.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Inventors: Weiwei WANG, Hong WANG, Lixiang XU
  • Publication number: 20220353748
    Abstract: The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method performed by a first node in a wireless communication system is provided. The method includes transmitting a first message to a second node, the first message indicating a migration request to migrate a third node, which is connected to the first node, to the second node, receiving a second message in response to the first message from the second node, the second message indicating a response to the migration request, and determining whether the third node can migrate to the second node based on the received second message.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Inventors: Yu Pan, Weiwei Wang, Hong Wang, Lixiang Xu
  • Patent number: 11490358
    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.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: November 1, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaowan Ke
  • Publication number: 20220345951
    Abstract: The present disclosure discloses a master node, a secondary node and a user equipment in a mobile communication network and communication methods thereof.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 27, 2022
    Inventors: Xiaoning MA, Hong WANG, Lixiang XU, Weiwei WANG
  • Patent number: 11483753
    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-optimisation in a wireless communication system.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: October 25, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Xiaoning Ma, Hong Wang, Weiwei Wang
  • Publication number: 20220338069
    Abstract: The present disclosure provides a method and device for notifying an MBS state. According to the method of the present disclosure, without increasing signaling, it enables the network to establish a correct transmission mode, improves the utilization rate of network resources, reduces transmission delay, and reduces data loss and delay caused by handover when UE moves. Specifically, the method comprises: receiving, by a mobile management entity (AMF), state information of MBS; and determining, by the AMF, whether to enable a user equipment (UE) to enter an idle mode according to the state information.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 20, 2022
    Inventors: Hong WANG, Lixiang XU, Weiwei WANG, Yanru Wang
  • Patent number: 11477703
    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.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 18, 2022
    Inventors: Lixiang Xu, Weiwei Wang, Xiaowan Ke, Hong Wang, Shichang Zhang, Yingyang Li, Yi Wang, Xiaoning Ma
  • Patent number: 11477834
    Abstract: The present invention provides a method for WLAN aggregation control, comprising: receiving, by a base station, WLAN information of a UE, said WLAN information of the UE comprises one or more of the following: user preference information, WLAN information of a WLAN node with which the UE is being associated, WLAN information of a WLAN node reselected by the UE, de-association information of the UE with a WLAN node, WLAN enabling information of the UE, and WLAN disabling information of the UE; and determining, by the base station, whether WLAN aggregation is to be established or deleted for the UE according to the received WLAN information of the UE. With the present application, WLAN aggregation can be reasonably controlled.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: October 18, 2022
    Inventors: Xiaowan Ke, Hong Wang, Lixiang Xu