System and method for inverse multilateration
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United States of America Patent
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Sep 18, 2007
Grant Date -
Oct 6, 2005
app pub date -
Apr 1, 2004
filing date -
Apr 1, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for location-determination of a mobile comprising of a receiver with a variable processor gain of up to 45.15 dB for detecting signals transmitted from transmitters that at a farther distance as well as from transmitters that are situated in sparsely populated areas. The system also includes a plurality of terrestrially deployed transmitters known as 'pseudolites' that broadcast GPS-like signals, and in addition implementing the use of existing, available information from modulated signals, such as phase, amplitude and convolution with pseudorandom codes.
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