Position location using terrestrial digital video broadcast television signals
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United States of America Patent
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Oct 24, 2006
Grant Date -
Oct 3, 2002
app pub date -
Aug 17, 2001
filing date -
Feb 2, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and computer program product for determining the position of a user terminal includes 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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