Radio signal-based positioning device and method
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United States of America Patent
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Nov 6, 2012
Grant Date -
Mar 12, 2009
app pub date -
Jul 30, 2008
filing date -
Aug 1, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A radio signal-based positioning device includes a receiver that receives a plurality of radio-transmitted positioning signals, a frequency determiner that determines a frequency of each of the plurality of positioning signals, a send time determiner that determines a send time of each of the plurality of positioning signals, and an evaluation unit that determines a position location from the determined frequencies and send times of the plurality of positioning signals.
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