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Method and apparatus for forming a pseudo-range model

  • US 6,853,916 B2
  • Filed: 11/15/2002
  • Issued: 02/08/2005
  • Est. Priority Date: 04/23/1999
  • Status: Expired due to Term
First Claim
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1. A method of forming a pseudo-range model, comprising:

  • receiving satellite position information for a plurality of satellites;

    receiving an approximate position of a mobile device;

    computing at least one set of ranges from the mobile device to the plurality of satellites using the approximate position and the satellite position information; and

    forming a pseudo-range model from the at least one set of ranges, the pseudo-range model having pseudorange information and pseudorange rate information.

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