Patents by Inventor Tom Gravely

Tom Gravely 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).

  • System and method for sub-coherent integration for geo-location using weak or intermittent signals
    Patent number: 8958754
    Abstract: A signal is received from a mobile device as multiple data samples. The received signal includes a first component corresponding to a known reference signal and a second component corresponding to an unknown channel impairment or an unknown noise. A sequence of blocks is formed based on the received samples. The first component of the received signal corresponding to the reference signal is known to within a constant phase shift over each block. A plurality of function values are generated as a function of time, frequency, and phase, based on the received signal, corresponding to a plurality of times, a plurality of frequencies, and a plurality of phase sequences. A time, a frequency, and a phase sequence corresponding to an optimal value the function values are determined. The determined time is outputted as a time of arrival of the received signal.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: February 17, 2015
    Assignee: Andrew, LLC
    Inventors: Tosin Osinusi, Martin Alles, Tom Gravely
  • SYSTEM AND METHOD FOR SUB-COHERENT INTEGRATION FOR GEO-LOCATION USING WEAK OR INTERMITTENT SIGNALS
    Publication number: 20120077516
    Abstract: A signal is received from a mobile device as multiple data samples. The received signal includes a first component corresponding to a known reference signal and a second component corresponding to an unknown channel impairment or an unknown noise. A sequence of blocks is formed based on the received samples. The first component of the received signal corresponding to the reference signal is known to within a constant phase shift over each block. A plurality of function values are generated as a function of time, frequency, and phase, based on the received signal, corresponding to a plurality of times, a plurality of frequencies, and a plurality of phase sequences. A time, a frequency, and a phase sequence corresponding to an optimal value the function values are determined. The determined time is outputted as a time of arrival of the received signal.
    Type: Application
    Filed: September 29, 2011
    Publication date: March 29, 2012
    Applicant: Andrew LLC
    Inventors: Tosin Osinusi, Martin Alles, Tom Gravely