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Localization of mobile computing devices in indoor environments

  • US 8,548,494 B2
  • Filed: 08/23/2011
  • Issued: 10/01/2013
  • Est. Priority Date: 08/23/2011
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • assigning a frequency to a mobile computing device, the frequency being the frequency of vibrations of a speaker of the mobile computing device, wherein the frequency of vibrations is one of an audible frequency or an inaudible frequency;

    receiving data that is indicative of vibrations output by the speaker on the mobile computing device from at least one microphone array, the at least one microphone array configured to sense the vibrations; and

    computing a location of the mobile computing device relative to the at least one microphone array based at least in part upon the data that is indicative of the vibrations.

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