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TV white space database assisted locationing for TV band devices

  • US 8,965,439 B2
  • Filed: 10/22/2012
  • Issued: 02/24/2015
  • Est. Priority Date: 10/22/2012
  • Status: Expired due to Fees
First Claim
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1. A method for obtaining an available white space channel for wireless communication using a white space device, the method comprising:

  • scanning for signals of a plurality of TV transmitters;

    recording a TV transmitter designation and a received signal strength of a TV transmitter when the received signal strength is above a predetermined threshold;

    sending TV data of at least three TV transmitters to an enhanced TV white space database, the TV data including recorded TV transmitter designations and received signal strengths for the at least three TV transmitters; and

    receiving at least one available white space channel from the enhanced TV white space database based on geo-coordinates of the white space device, the geo-coordinates of the white space device being determined using the TV data, known geo-coordinates of the at least three TV transmitters, and known field-strength characteristics of the at least three TV transmitters.

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