Patents by Inventor Stephen P. Leung

Stephen P. Leung 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: 8554228
    Abstract: To perform a handover of a mobile station from a source base station to a target base station, the source base station determines a delay of a connection between the source base station and the target base station. The source base station computes an action time taking into account the determined delay, the action time specifying a time when the target base station is able to allocate resources to the mobile station for the handover.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: October 8, 2013
    Assignee: BlackBerry Limited
    Inventors: Chandra S. Bontu, Prabaharan Kanesalingam, William Edward Illidge, Devaki Chandramouli, Stephen P. Leung
  • Publication number: 20090131056
    Abstract: To perform a handover of a mobile station from a source base station to a target base station, the source base station determines a delay of a connection between the source base station and the target base station. The source base station computes an action time taking into account the determined delay, the action time specifying a time when the target base station is able to allocate resources to the mobile station for the handover.
    Type: Application
    Filed: November 21, 2008
    Publication date: May 21, 2009
    Applicant: Nortel Networks Limited
    Inventors: Chandra S. Bontu, Prabaharan Kanesalingam, William Edward Illidge, Devaki Chandramouli, Stephen P. Leung