System and method for determining the location of a transmitter using passive reflectors or refractors as proxy receivers and using database querying
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United States of America Patent
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-
Jun 17, 2003
Grant Date -
Dec 26, 2002
app pub date -
Jun 25, 2001
filing date -
Jun 25, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method determines the location of a transmitter. At least one receiver receives a signal from the transmitter and at least one proxy receiver is an object that reflects and/or refracts a signal along an arriving path to the at least one receiver. A processor is operative with the at least one receiver and determines the location of the at least one proxy receiver based on one of querying a look-up table or extracting image features from the mapping system and determining the location of the transmitter based on the time of arrival and at least one of angle of arrival of signals from the at least one proxy receiver and transmitter.
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