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Reflection-based location detection

  • US 9,179,285 B1
  • Filed: 05/19/2014
  • Issued: 11/03/2015
  • Est. Priority Date: 05/19/2014
  • Status: Active Grant
First Claim
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1. A mobile device comprising:

  • a memory storing a software code; and

    a processor configured to execute the software code to;

    transmit a first advertisement to a listening device and a repeater device;

    receive a data advertisement from the listening device in response to transmitting the first advertisement from the mobile device to the listening device, the data advertisement including a time difference between the listening device receiving the first advertisement and the listening device receiving a second advertisement transmitted from the repeater device in response to transmitting the first advertisement from the mobile device to the repeater device; and

    determine a location of the mobile device using the data advertisement including the time difference.

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