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Method and apparatus for wireless location tracking

  • US 9,560,487 B2
  • Filed: 12/23/2011
  • Issued: 01/31/2017
  • Est. Priority Date: 12/23/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining information of a plurality of specific location points; and

    determining a location of a wireless device based on the information of the plurality of specific location points by;

    determining a plurality of relative degree values for each of the plurality of specific location points with respect to the location of the wireless device; and

    determining a subset of specific location points from the plurality of specific location points, wherein each specific location point in the subset of specific location points has a relative degree value higher or equal to the other specific location points that are not in the subset of specific location points;

    wherein determining the location of the wireless device based on the information of the plurality of specific location points further comprises;

    determining a plurality of weight circles for each specific location point of the subset of specific location points;

    for each of the weight circles, accumulating the relative degree values of each of the subset of specific location points within the weight circle; and

    determining the location of the wireless device based at least on the accumulated relative degree values of the each of the subset of specific location point for each weight circle.

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