Patents by Inventor Phil Gray

Phil Gray 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: 7088778
    Abstract: The present invention relates to a method and apparatus for determining channel degradation information in which a known data sequence is compared to a transmitted version of the known data sequence to provide such information. To assess performance of a public land mobile network, it is convenient if assessment apparatus is located in the network rather than in a mobile station. The invention provides a technique for efficiently sending data characterizing channel degradation caused by the network to mobile station communication channel from the mobile station back to the network, where the channel degradation information is reconstructed.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: August 8, 2006
    Assignee: Psytechnics Limited
    Inventors: Paul Alexander Barrett, Antony William Rix, Phil Gray
  • Publication number: 20030068982
    Abstract: The present invention relates to a method and apparatus for determining channel degradation information in which a known data sequence is compared to a transmitted version of the known data sequence to provide such information.
    Type: Application
    Filed: September 9, 2002
    Publication date: April 10, 2003
    Applicant: Psytechnics Limited
    Inventors: Paul Alexander Barrett, Antony William Rix, Phil Gray