Method and apparatus for time-free processing of GPS signals

  • US 6,417,801 B1
  • Filed: 11/17/2000
  • Issued: 07/09/2002
  • Est. Priority Date: 11/17/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for calculating an absolute position of a GPS receiver and an absolute time of reception of satellite signals comprising:

  • providing pseudoranges that estimate the range of the GPS receiver to a plurality of GPS satellites;

    providing an estimate of an absolute time of reception of a plurality of satellite signals;

    providing an estimate of a position of the GPS receiver;

    providing satellite ephemeris data;

    computing absolute position and absolute time using said pseudoranges by updating said estimate of an absolute time and the estimate of position of the GPS receiver.

View all claims

    Thank you for your feedback