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POSITION DETERMINATION USING A WIRELESS SIGNAL

  • US 20110117924A1
  • Filed: 11/18/2009
  • Published: 05/19/2011
  • Est. Priority Date: 11/18/2009
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • determining with satellite positioning system enhanced dead reckoning an estimated position of a mobile station and a corresponding dead reckoning confidence level;

    receiving wireless signals from a plurality of access points;

    determining at least one of a received signal strength indicator and a round trip time for the wireless signals; and

    improving the estimated position of the mobile station based on the dead reckoning confidence level and the at least one of a received signal strength indicator and a round trip time for the wireless signals.

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