×

GPS receiver utilizing a communication link

  • US 20010028321A1
  • Filed: 01/18/2001
  • Published: 10/11/2001
  • Est. Priority Date: 10/09/1995
  • Status: Active Grant
First Claim
Patent Images

1. A method for reducing processing time in a satellite positioning system (SPS) receiver having a cell based communication receiver, said method comprising:

  • determining an approximate location of said SPS receiver from a cell based information source, said approximate location being determined by at least one of a location of a cellular service area which includes a cell site or a location of said cell site;

    determining an approximate Doppler for at least one SPS satellite relative to said SPS receiver, said approximate Doppler being based on said approximate location;

    using said approximate Doppler in said SPS receiver to reduce processing time in one of either determining at least one pseudorange to said at least one SPS satellite or acquiring signals from said at least one SPS satellite.

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