Patents by Inventor Xiaoyan Duan

Xiaoyan Duan 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: 20210084581
    Abstract: Embodiments of this application relate to the field of communications technologies, and disclose a relay device selection method, and a user equipment, so that UE can select and update with an allowed S-NSSAI of the UE. The method may include: obtaining by UE, M pieces of first indication information, each indicates one allowed network slice of the UE; receiving by the UE, first messages sent by L relay devices, comprising N pieces of second indication information, wherein each indicates one allowed network slice of the relay device; and selecting by the UE, a random first relay device as a target relay device based on the M pieces of first indication information and the L pieces of first messages.
    Type: Application
    Filed: April 25, 2018
    Publication date: March 18, 2021
    Inventors: Haorui YANG, Hui JIN, Fenghui DOU, Xiaoyan DUAN, Xiaojuan LI, Guowei OUYANG
  • Publication number: 20210007157
    Abstract: This application discloses a PDU session establishment method and apparatus. The method includes: receiving, by a terminal device in a process of establishing a PDN connection in a first system, an access type that is sent by a core network device and that corresponds to the PDN connection in a second system; and when the terminal device moves to the second system, establishing, by the terminal device, a PDU session in the second system via an access network indicated by the access type, where the PDU session is associated with the PDN connection. Implementation of the present invention can increase a success rate of establishing a PDU session.
    Type: Application
    Filed: March 11, 2019
    Publication date: January 7, 2021
    Inventors: Xiaojuan LI, Haorui YANG, Hui JIN, Guowei OUYANG, Fenghui DOU, Xiaoyan DUAN
  • Publication number: 20210007038
    Abstract: A session management method by a terminal in which a network initiates a session deactivation procedure to deactivate one or more sessions of a terminal. After the terminal in an inactive mode establishes an RRC connection to a new second base station, the second base station indicates, through RRC connection reconfiguration, the terminal to delete related information of the to-be-deactivated session, or the second base station uses an RRC connection resume response message to carry an identifier of the one or more to-be-deactivated sessions, and the terminal deletes session-related information corresponding to the identifier of the one or more to-be-deactivated sessions. In this way, the terminal is enabled to process the related information of the to-be-deactivated session in a timely manner.
    Type: Application
    Filed: May 29, 2018
    Publication date: January 7, 2021
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaojuan LI, Haorui YANG, Hui JIN, Guowei OUYANG, Fenghui DOU, Xiaoyan DUAN
  • Publication number: 20200382605
    Abstract: This application provides a data route selection method and apparatus, and relates to the field of communications technologies, so as to resolve a problem of an excessively long transmission delay for an application program that initiates a data transmission request relatively later. The data route selection method includes: detecting, by a terminal, that information about an application matches a traffic descriptor; determining, by the terminal, a first route selection components for the application; and routing, by the terminal, traffic of the application on a first protocol data unit PDU session. The first PDU session matches the first route selection components. This application is applicable to a terminal.
    Type: Application
    Filed: August 12, 2020
    Publication date: December 3, 2020
    Inventors: Guowei Ouyang, Hui Jin, Xiaoyan Duan, Fenghui Dou, Haorui Yang, Xiaojuan Li
  • Publication number: 20200367151
    Abstract: A switching method and a terminal device, which relate to the communications field. The switching method comprises: establishing, by a terminal device, a first packet data network PDN connection in a long term evolution LTE access network; switching, by the terminal device, the first PDN connection from the LTE access network to a wireless local area network WLAN access network; establishing, by the terminal device, a second PDN connection in the LTE access network, so that the terminal device is in a registered state in the LTE network; and switching, by the terminal device, the first PDN connection or a third PDN connection established in the WLAN access network, to the LTE access network.
    Type: Application
    Filed: February 5, 2018
    Publication date: November 19, 2020
    Inventors: Kai YUAN, Xiaoyan DUAN, Bo ZHANG, Feifei SUI, Zhenrong WEI
  • Patent number: 10798752
    Abstract: A method includes: receiving an emergency call request; initiating, according to the emergency call request, n emergency calls by simultaneously using n call modes, where n is an integer not less than 2; and when a connection is established for one of the n emergency calls, releasing other emergency calls for which no connection has been established. By means of the embodiments of the present invention, multiple emergency calls may be simultaneously made, and when any one of the multiple emergency calls is connected, other emergency calls are released, reducing an emergency call time.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: October 6, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hui Jin, Bo Zhang, Xianglei Xin, Lei Fu, Xiaoyan Duan
  • Publication number: 20200280911
    Abstract: Embodiments provide a core network selection method, an apparatus, and a system. The method includes the following steps: obtaining first dedicated core network (DCN) information from an access network device, where the first DCN information includes information about at least one DCN that can be accessed by the access network device. The method also includes selecting a to-be-accessed DCN from the at least one DCN according to the first DCN information, and sending information about the to-be-accessed DCN to the access network device, so that the access network device determines a core network device according to the information about the to-be-accessed DCN.
    Type: Application
    Filed: February 13, 2020
    Publication date: September 3, 2020
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaoyan Duan, Hui Jin, Qiang Yi, Yue He
  • Patent number: 10588074
    Abstract: Embodiments provide a core network selection method, an apparatus, and a system. The method includes the following steps: obtaining first dedicated core network (DCN) information from an access network device, where the first DCN information includes information about at least one DCN that can be accessed by the access network device. The method also includes selecting a to-be-accessed DCN from the at least one DCN according to the first DCN information, and sending information about the to-be-accessed DCN to the access network device, so that the access network device determines a core network device according to the information about the to-be-accessed DCN.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: March 10, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiaoyan Duan, Hui Jin, Qiang Yi, Yue He
  • Publication number: 20200077327
    Abstract: Embodiments of the present invention provide a service processing method and device. The service processing method includes: receiving a first message, where the first message includes first information of a first network slice, a priority corresponding to the first information, second information of a second network slice, and a priority corresponding to the second information; and preferentially processing a service of the high-priority network slice based on the priorities when a service of the first network slice collides with a service of the second network slice.
    Type: Application
    Filed: April 6, 2017
    Publication date: March 5, 2020
    Inventors: Xiaoyan DUAN, Yue HE, Hui JIN
  • Patent number: 10499443
    Abstract: Embodiments provide a data transmission method. The method includes: receiving, by a core network entity, a first message sent by a first user equipment (UE); and setting up, by the core network entity, a target bearer on the first UE according to the first message, so that a second UE transmits data using the target bearer.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: December 3, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hui Jin, Guowei Ouyang, Xiaoyan Duan, Qiang Yi
  • Patent number: 10492127
    Abstract: The present disclosure provides a wireless communications access methods, apparatuses, processors, and wireless terminals. The example method includes obtaining a service capability of an access node accessible by the wireless terminal, where the service capability is used to indicate communication quality of service supported by the access node. An access node having the service capability that supports the device type and/or the service type of the wireless terminal is determined as a target access node according to the service capability of the access node and a device type and/or a service type of the wireless terminal. A wireless communications network is then accessed by using the target access node. Therefore, the wireless terminal autonomously selects an access node having a service capability that can meet a communication requirement of the wireless terminal to access the wireless communications network.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: November 26, 2019
    Assignee: Huawei Technologies Co., LTD.
    Inventors: Xiaoyan Duan, Hui Jin
  • Publication number: 20190327653
    Abstract: Embodiments of the present invention relate to a method for obtaining radio capability information of a terminal, a core network entity, a base station, and a terminal. When a first terminal changes from a first communication path for the first terminal to directly access a network to a second communication path for the first terminal to access the network by using a second terminal, the first terminal receives a first message that is sent by a base station to obtain radio capability information of the first terminal; and then sends the radio capability information of the first terminal to the base station, where the radio capability information includes information about a manner of connection between the first terminal and the second terminal and identification information of the second terminal.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 24, 2019
    Inventors: Hui JIN, Guowei OUYANG, Xiaoyan DUAN
  • Patent number: 10448241
    Abstract: Embodiments of the present disclosure relate to the field of electronic terminal technologies, and provide a service processing method. A specific solution is: registering, by user equipment, with an IMS network by using a first IMSI corresponding to a first telephone card, and obtaining a first GRUU; and if the user equipment saves a mapping relationship between the first IMSI and a second GRUU, and the second GRUU and the first GRUU have a same IMPU, configuring, by the user equipment, a first supplementary service to a supplementary service the same as a second supplementary service, where the first supplementary service is a supplementary service corresponding to the first GRUU, and the second supplementary service is a supplementary service corresponding to the second GRUU. The embodiments of the present disclosure are used for service processing.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: October 15, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Hui Jin, Jian Yang, Xiaoyan Duan, Qiang Yi
  • Patent number: 10397846
    Abstract: A method and an apparatus relate to the communications field, used for determining a target cell, where the method includes obtaining, by a terminal, a historical camped-on cell list of the terminal and a neighboring cell list of a serving cell of the terminal, determining, by the terminal, that a first cell list is the neighboring cell list of the serving cell and the historical camped-on cell list when a signal strength of the serving cell of the terminal is less than or equal to a first preset value, performing, by the terminal, measurement for a cell in the first cell list to obtain a measurement result, and determining, by the terminal, a target cell from the first cell list according to the measurement result.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: August 27, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Shujun Dang, Xiaoyan Duan, Hui Jin
  • Publication number: 20190261233
    Abstract: An inter-network change method and apparatus, and a related device are disclosed. In the inter-network change method, a terminal determines second network slice information to which first network slice information is mapped, where the first network slice information is information about a first network slice accessed by the terminal, the second network slice information is information about a second network slice, the first network slice is a network slice in a first network, and the second network slice is a network slice in a second network. The terminal sends a request message to the second network and receives an accept message returned by the second network, so that the terminal accesses a network slice identified by network slice information accepted by the second network. It can be learned that embodiments of the present invention can implement a handover operation between network slices of different networks.
    Type: Application
    Filed: May 3, 2019
    Publication date: August 22, 2019
    Inventors: Xiaoyan Duan, Hui Jin
  • Patent number: 10306518
    Abstract: A method includes when a terminal needs to execute a circuit switched service again after completing the execution of the circuit switched service once, the terminal executes the circuit switched service again instead of immediately returning to a first network, and then returns to the first network when a preset condition is met.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: May 28, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaoyan Duan, Bo Zhang, Hui Jin
  • Publication number: 20190141769
    Abstract: A data transmission method and a device, where the method includes receiving, by a user equipment (UE), a first message from a core network device using a first base station, where the first message includes information related to a second base station, performing, by the UE, transmission of a non-access stratum (NAS) message with the core network device using the first base station, and performing data transmission using the second base station based on the information related to the second base station, where the NAS message is transmitted only using the first base station.
    Type: Application
    Filed: May 10, 2016
    Publication date: May 9, 2019
    Inventors: Hui Jin, Nathan Edward Tenny, Xiaoyan Duan, Guowei Ouyang
  • Patent number: 10264521
    Abstract: A method for paging a user equipment (UE) includes receiving a generic page indication for the UE, the generic page indication including a list of radio access networks (RANs), selecting a subset of the list of RANs, sending a RAN-specific page indication for each RAN in the subset of the list of RANs, receiving a first RAN-specific page response associated with the UE, and sending a generic page response corresponding to the first RAN-specific page response.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: April 16, 2019
    Assignee: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Nathan Edward Tenny, Xiaoyan Duan, Hui Jin, Guorong Li, Guowei Ouyang, Yunsong Yang
  • Patent number: 10244455
    Abstract: Embodiments of the present disclosure disclose a mobility management procedure initiation method and a device, where the method may include: when a quantity N of failures of a mobility management procedure initiated by a device to a core network entity is greater than or equal to a first threshold, determining, by the device, whether N pieces of failure information include first information used to indicate a failure in establishing a radio resource control protocol connection; when the device determines that the N pieces of failure information include the first information, setting, by the device, an initiation condition parameter for initiating the mobility management procedure; and initiating, by the device, the mobility management procedure based on the initiation condition parameter. The present disclosure can improve a network access speed of the device.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: March 26, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Hui Jin, Li Shen, Bei Dai, Yinqing Jiang, Xiaoyan Duan, Xiaoguang Wu
  • Patent number: 10225796
    Abstract: A method for paging a user equipment (UE) includes receiving a generic page indication for the UE, the generic page indication including a list of radio access networks (RANs), selecting a subset of the list of RANs, sending a RAN-specific page indication for each RAN in the subset of the list of RANs, receiving a first RAN-specific page response associated with the UE, and sending a generic page response corresponding to the first RAN-specific page response.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: March 5, 2019
    Assignee: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Nathan Edward Tenny, Xiaoyan Duan, Hui Jin, Guorong Li, Guowei Ouyang, Yunsong Yang