Patents by Inventor Michael Eugene Humphrey

Michael Eugene Humphrey 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).

  • Wireless communication system and method for synchronization
    Patent number: 6487252
    Abstract: An orthogonal frequency division multiplexed wideband communication system provides improved time and frequency synchronization by inserting an unevenly spaced pilot sequence within the constellation data. A receive correlates the received data using the unevenly spaced pilot sequence. The pilot sequence is generated with a maximum length pseudo random noise code and inserted into frequency bins having prime numbers.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: November 26, 2002
    Assignee: Motorola, Inc.
    Inventors: John Eric Kleider, Michael Eugene Humphrey, Jeffery Scott Chuprun, Chad Scott Bergstrom, Byron L. Tarver