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Mobile Device Location Estimation

  • US 20120309410A1
  • Filed: 06/03/2011
  • Published: 12/06/2012
  • Est. Priority Date: 06/03/2011
  • Status: Active Grant
First Claim
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1. A method performed by a mobile device, comprising:

  • detecting, on the mobile device, a plurality of wireless access gateways;

    determining a closeness between the mobile device and each wireless access gateway, the closeness including an initial measurement of distance between the mobile device and each wireless access gateway;

    receiving location data associated with each of the detected wireless access gateways, the location data including an estimated location of each detected wireless access gateway, an uncertainty value associated with the estimated location, and a reach of each detected wireless access gateway;

    weighting the estimated locations using the uncertainty values, the reaches of the wireless access gateways, and the closeness; and

    determining the location of the mobile device based on the weighted locations.

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