Position location using broadcast analog television signals
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United States of America Patent
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-
Nov 1, 2005
Grant Date -
Dec 18, 2003
app pub date -
Mar 24, 2003
filing date -
Feb 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A computer program product, apparatus, and method for determining the position of a user terminal. It includes receiving, at the user terminal, a broadcast analog television signal having a periodic component; and correlating the broadcast analog television signal with a predetermined reference signal based on the periodic component, thereby producing a pseudorange; and wherein the location of the user terminal is determined based on the pseudorange and a location of the transmitter of the broadcast analog television signal.
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