Patents by Inventor Sabeena Abdulmajeed

Sabeena Abdulmajeed 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).

  • Trigger for hard handoff from an overlay carrier to an underlying carrier
    Patent number: 7139575
    Abstract: Initiation of a hard handoff at a mobile station from an overlay carrier to an underlying carrier in a wireless telecommunications system may be considered based on a first condition being satisfied. Once the first condition is satisfied, hard handoff may be initiated based on at least one of a plurality of further conditions being satisfied. Advantageously, the plurality of further conditions may be arranged to be independent of the total power received at the mobile station and, therefore, independent of loading.
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: November 21, 2006
    Assignee: Nortel Networks Limited
    Inventors: Xixian Chen, Neil McGowan, Weigang Li, James R. Weisert, Sabeena Abdulmajeed