Position location and data transmission using pseudo digital television transmitters
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United States of America Patent
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Nov 8, 2005
Grant Date -
Feb 10, 2005
app pub date -
Feb 24, 2004
filing date -
Feb 2, 2001
priority date (Note) -
Expired
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Abstract
A method, apparatus, and computer-readable media comprising generating a positioning signal comprising a first half-field and a second half-field; and transmitting the positioning signal; wherein each of the first and second half-fields comprises 313 segments; and wherein each of the segments comprises 832 chips comprising an American Television Standards Committee (ATSC) digital television (DTV) segment synchronization signal and a pseudonoise sequence.
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