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Mobile device locating using long term evolution signals

  • US 9,374,799 B2
  • Filed: 12/23/2013
  • Issued: 06/21/2016
  • Est. Priority Date: 12/23/2013
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • detecting, by a plurality of antennas within an indoor venue, a mobile communication data signal transmitted by a mobile device;

    identifying a time slot and frequency sub-carrier associated with the detected mobile communication data signal;

    measuring a signal parameter of the mobile communication data signal detected by each of the plurality of antennas in the time slot and frequency sub-carrier;

    determining, using the signal parameter measured by each of the plurality of antennas, information identifying an approximate location of the mobile device inside the indoor venue;

    determining, using the time slot and frequency sub-carrier, an identity associated with the mobile device; and

    storing the information identifying the approximate location of to the mobile device and the time slot in a location log associated with the mobile device.

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