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Satellite positioning system receiver with reference oscillator circuit and methods therefor

  • US 6,965,754 B2
  • Filed: 10/09/2001
  • Issued: 11/15/2005
  • Est. Priority Date: 10/09/2001
  • Status: Active Grant
First Claim
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1. A method in a satellite position system enabled mobile wireless communication device having an oscillator, comprising:

  • determining a change in cellular network based frequency error of the oscillator based on a difference between a cellular network based frequency error of the oscillator and a reference cellular network based frequency error of the oscillator;

    determining a first frequency error of the oscillator by summing a reference satellite positioning system receiver based oscillator frequency error with the change in cellular network based frequency error of the oscillator.

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