Transmitting signals for time of arrival estimation
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United States of America Patent
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Oct 26, 2010
Grant Date -
Jan 22, 2009
app pub date -
Apr 22, 2005
filing date -
Apr 15, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method generates a radio signal to be used for ranging. For each of one of multiple frames to be transmitted as a ranging symbol, a first time interval and a second time interval are allocated. The ranging symbol is then transmitted as a set of pulses in each of the frames only during the first time interval, and the second time interval has a length to reduces inter-frame interference.
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