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Positioning in Indoor Locations and Other GPS-Denied Environments

  • US 20150346333A1
  • Filed: 05/30/2014
  • Published: 12/03/2015
  • Est. Priority Date: 05/30/2014
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving at least one of range or velocity measurements over time;

    generating multiple potential range, velocity, and acceleration estimates based on the received measurements;

    determining probabilities of the estimates;

    testing estimates based on their weight and decaying importance history;

    pruning estimates that fail to meet a threshold;

    generating a new estimate for the pruned estimates;

    clustering potential solutions based on a density of the estimates; and

    associating a confidence solution to the potential solutions.

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