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DISTRIBUTED METHOD AND SYSTEM FOR DETERMINING THE POSITION OF A MOBILE DEVICE USING LONG-RANGE SIGNALS AND CALIBRATING THE POSITION USING SHORT-RANGE SIGNALS

  • US 20130029685A1
  • Filed: 07/24/2012
  • Published: 01/31/2013
  • Est. Priority Date: 07/26/2011
  • Status: Active Grant
First Claim
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1. A method of determining a location of a mobile device, the method comprising:

  • receiving positioning assistance data from a plurality of short-range position reference devices, the positioning assistance data from each position reference device comprising a location of the corresponding position reference device;

    calculating a weighted sum of the locations of the position reference devices, the locations being weighted based on a set of criteria; and

    setting the location of the mobile station to the calculated weighted sum of the locations of the position reference devices.

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