Patents by Inventor Larry W. Massengill

Larry W. Massengill 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).

  • Systems and methods for random access in time division multiple access satellite radiotelephone communications
    Patent number: 5796726
    Abstract: In a time division multiple access (TDMA) satellite radiotelephone communications system, a radiotelephone communicates random access channel radiotelephone communications signals to a satellite over a dedicated random access channel uplink carrier frequency band. In response, a time division multiple access channel on a time division multiplexed uplink carrier frequency band different from the dedicated random access channel uplink carrier frequency band is assigned. The radiotelephone communicates time division multiplexed radiotelephone communications signals to the satellite over the allocated time division multiple access channel.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: August 18, 1998
    Assignee: Ericsson Inc.
    Inventors: Amer Hassan, Rajaram Ramesh, Stanley L. Reinhold, Larry W. Massengill, Yi-Pin Eric Wang