×

Time synchronization of a satellite positioning system enabled mobile receiver and base station

  • US 6,452,541 B1
  • Filed: 02/20/2001
  • Issued: 09/17/2002
  • Est. Priority Date: 02/20/2001
  • Status: Active Grant
First Claim
Patent Images

1. A method for synchronizing a satellite positioning system enabled mobile receiver having a local clock with a satellite positioning system, comprising:

  • sampling first and second satellite signals at the mobile receiver;

    sampling first and second local clock signals at the mobile receiver, the first local clock signal having the same relationship to the first satellite signal as the second local clock signal has to the second satellite signal;

    determining a local clock drift proportional to a difference between the first and second sampled satellite signals divided by a difference between the first and second local clock signals;

    correcting the local clock based upon the local clock drift.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×