ESTIMATING THE LOCATION OF A WIRELESS TERMINAL BASED ON THE TRAITS OF THE MULTIPATH COMPONENTS OF A SIGNAL

A technique for estimating the location of a wireless terminal at an unknown location in a geographic region is disclosed. The technique is based on the recognition that there are traits of electromagnetic signals that are dependent on topography, the receiver, the location of the transmitter, and o...

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Bibliographic Details
Main Authors FEUERSTEIN, MARTIN, GORDON, SCOT, DOUGLAS, SPAIN JR., DAVID, STEVENSON
Format Patent
LanguageEnglish
French
German
Published 25.02.2009
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A technique for estimating the location of a wireless terminal at an unknown location in a geographic region is disclosed. The technique is based on the recognition that there are traits of electromagnetic signals that are dependent on topography, the receiver, the location of the transmitter, and other factors. For example, if a particular radio station is known to be received strongly at a first location and weakly at a second location, and a given wireless terminal at an unknown location is receiving the radio station weakly, it is more likely that the wireless terminal is at the second location than at the first location.
Bibliography:Application Number: EP20070756888