Patents by Inventor Shan Qing

Shan Qing 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).

  • METHODS AND SYSTEMS FOR MAINTAINING SECURITY KEYS FOR WIRELESS COMMUNICATION
    Publication number: 20090296934
    Abstract: Certain embodiments allow security keys to be maintained across mobile device states, or communication events, such as hand-over, and system idle and sleep power savings modes. By monitoring the lifetime of security keys, keys may be refreshed in an effort to ensure key lifetimes will not expire during a hand-over process or other device unavailable state.
    Type: Application
    Filed: May 27, 2008
    Publication date: December 3, 2009
    Applicant: QUALCOMM Incorporated
    Inventors: Shan Qing, Tom Chin
  • METHODS AND SYSTEMS FOR ACCELERATING WIRELESS COMMUNICATION HANDOVER
    Publication number: 20090285177
    Abstract: Methods and apparatus for ranging with one or more neighboring sectors during normal operation of a mobile station (MS) with its serving sector are provided. The ranging results may be frequently updated in an effort to accelerate the handover process to another base station (BS) providing coverage for one of the neighboring sectors.
    Type: Application
    Filed: May 19, 2008
    Publication date: November 19, 2009
    Applicant: QUALCOMM Incorporated
    Inventors: Tom Chin, Shan Qing