Patents by Inventor Kamran A. Qazi

Kamran A. Qazi 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 and apparatus for preventing a spurious retransmission after a planned interruption of communications
    Patent number: 7321567
    Abstract: In a wireless communication system (400), a mobile station (404) or a base station (402), or both working together, determine (302) whether a planned interruption in communications is about to occur; and, in response to determining that the planned interruption is about to occur, progressively increase (306) the round-trip time for a plurality of successive data segments sent before the planned interruption occurs, such that a retransmission timeout value calculated by a sender becomes larger than a time required to complete the planned interruption, thereby preventing a spurious retransmission.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: January 22, 2008
    Assignee: Motorola, Inc.
    Inventors: Kamran A. Qazi, Vijay Kolli, Peter J. Wilhelm
  • Method and apparatus for preventing a spurious retransmission after a planned interruption of communications
    Publication number: 20050070246
    Abstract: In a wireless communication system (400), a mobile station (404) or a base station (402), or both working together, determine (302) whether a planned interruption in communications is about to occur; and, in response to determining that the planned interruption is about to occur, progressively increase (306) the round-trip time for a plurality of successive data segments sent before the planned interruption occurs, such that a retransmission timeout value calculated by a sender becomes larger than a time required to complete the planned interruption, thereby preventing a spurious retransmission.
    Type: Application
    Filed: September 30, 2003
    Publication date: March 31, 2005
    Inventors: Kamran Qazi, Vijay Kolli, Peter Wilhelm