Globally referenced positioning in a shielded environment
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United States of America Patent
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Feb 20, 2007
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N/A
app pub date -
Feb 13, 2004
filing date -
Oct 12, 1999
priority date (Note) -
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Abstract
A method, apparatus and system for globally referenced positioning in a shielded environment includes integrating and correlating information from a UWB receiver, a GPS receiver, and a bent-path GPS receiver adapted to extract a GPS radio frequency wave from a heterodyned GPS signal. The method, apparatus, and system is resistant to interference and can be used in a shielded environment such as indoors or behind a line-of-sight barrier.
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