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Position location using terrestrial digital video broadcast television signals

  • US 20020144294A1
  • Filed: 08/17/2001
  • Published: 10/03/2002
  • Est. Priority Date: 02/02/2001
  • Status: Active Grant
First Claim
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1. A method for determining the position of a user terminal, comprising:

  • receiving at the user terminal a plurality of digital television (DTV) broadcast signals from a plurality of DTV transmitters, wherein each of the DTV signals is a European Telecommunications Standards Institute (ETSI) Digital Video Broadcasting-Terrestrial (DVB-T) signal;

    determining a pseudo-range between the user terminal and each DTV transmitter based on the DTV broadcast signals based on a known component in the DTV signals; and

    determining a position of the user terminal based on the pseudo-ranges and a location of each of the DTV transmitters.

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