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Aiding location determinations in satellite positioning system receivers

  • US 6,839,020 B2
  • Filed: 06/02/2003
  • Issued: 01/04/2005
  • Est. Priority Date: 06/02/2003
  • Status: Expired due to Term
First Claim
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1. A method for locating a satellite positioning system receiver, the method comprising:

  • obtaining at least one satellite pseudo range measurement;

    determining a position solution for the satellite positioning system receiver using the at least one pseudo range measurement;

    constraining the position solution determination with an uncertainty constraint associated with uncertainty of information used to determine the position solution of the satellite positioning system receiver.

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