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Determining emitter locations

  • US 10,440,677 B2
  • Filed: 08/20/2018
  • Issued: 10/08/2019
  • Est. Priority Date: 06/30/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • obtaining, from each of a plurality of mobile sensing devices, information corresponding to radio signals received at the respective sensing devices from one or more emitter devices located at one or more remote locations;

    identifying a particular remote location of the one or more remote locations as a candidate location for a particular emitter device of the one or more emitter devices;

    selecting, for each of the plurality of the sensing devices, a particular radio signal received at the respective sensing device as corresponding to the candidate location;

    determining, for each of the plurality of the sensing devices using knowledge of respective mobility trajectories and information about the particular radio signal, a relationship between the respective sensing device and the candidate location;

    determining, for each of the plurality of the sensing devices, estimates of the particular radio signal using the relationship between the respective sensing device and the candidate location; and

    computing an energy emitted from the candidate location using the determined estimates.

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