Patents by Inventor Xiaojun Zhuang

Xiaojun Zhuang 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).

  • Method, system and device for maintaining user service continuity
    Patent number: 10448305
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: October 15, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanmei Yang, Xiaojun Zhuang
  • METHOD, SYSTEM AND DEVICE FOR MAINTAINING USER SERVICE CONTINUITY
    Publication number: 20180368044
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 20, 2018
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Yanmei Yang, Xiaojun Zhuang
  • Method, system and device for maintaining user service continuity
    Patent number: 10064116
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: August 28, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanmei Yang, Xiaojun Zhuang
  • METHOD, SYSTEM AND DEVICE FOR MAINTAINING USER SERVICE CONTINUITY
    Publication number: 20170325147
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Application
    Filed: July 25, 2017
    Publication date: November 9, 2017
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanmei YANG, Xiaojun ZHUANG
  • Method, system and device for maintaining user service continuity
    Patent number: 9736747
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: August 15, 2017
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanmei Yang, Xiaojun Zhuang
  • METHOD, SYSTEM AND DEVICE FOR MAINTAINING USER SERVICE CONTINUITY
    Publication number: 20140018042
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Application
    Filed: September 3, 2013
    Publication date: January 16, 2014
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanmei YANG, Xiaojun ZHUANG
  • Method, system and device for maintaining user service continuity
    Patent number: 8442535
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: May 14, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yanmei Yang, Xiaojun Zhuang
  • METHOD, SYSTEM AND DEVICE FOR MAINTAINING USER SERVICE CONTINUITY
    Publication number: 20120058766
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Application
    Filed: October 3, 2011
    Publication date: March 8, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanmei YANG, Xiaojun Zhuang
  • METHOD, SYSTEM AND DEVICE FOR MAINTAINING USER SERVICE CONTINUITY
    Publication number: 20110045832
    Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.
    Type: Application
    Filed: October 28, 2010
    Publication date: February 24, 2011
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yanmei YANG, Xiaojun Zhuang