Apparatus and method for determining signal quality in a geolocation system
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United States of America Patent
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Jun 5, 2012
Grant Date -
May 20, 2010
app pub date -
Aug 25, 2009
filing date -
Aug 25, 2008
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Abstract
In a geolocation system for determining a geolocation of a target emitter, a method for determining the geolocation. The method comprises receiving a signal transmitted from the target emitter at each one of a plurality of sensors; determining whether signals received at n sensors, from among the plurality of sensors, satisfy one or more threshold values related to a condition of the received signals; if signals received at n sensors satisfy the threshold value, commanding m of the n sensors to transmit the signal received thereat or information related to the signal received thereat to a processor; at the processor, determining time difference estimates for the m received signals and determining the geolocation of the target emitter from the time difference estimates.
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