System and method for estimating mobile wireless unit position in a localized area
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United States of America Patent
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Mar 27, 2012
Grant Date -
Sep 4, 2008
app pub date -
Jun 16, 2006
filing date -
Jun 17, 2005
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Abstract
A local positioning system comprises a plurality of sensor elements that may communicate with mobile units in a wireless fashion. The responsiveness of the mobile units is measured by yes/no answers and averaged so as to provide a measure of the distance of a mobile unit to a specified sensor element. Based on this measure and the known positions of the sensor element, the position of the mobile unit is estimated, for instance by a model of ideal springs.
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