Patents by Inventor Xiajun Zhuang

Xiajun 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: 8554222
    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 28, 2010
    Date of Patent: October 8, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yanmei Yang, Xiajun Zhuang