System and method for generating a location estimate using a method of intersections
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United States of America Patent
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Jan 3, 2012
Grant Date -
Sep 4, 2008
app pub date -
Jan 31, 2008
filing date -
Feb 5, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The location of a wireless mobile device may be estimated using, at least in part, one or more pre-existing Network Measurement Reports (“NMRs”) which include calibration data for a number of locations within a geographic region. The calibration data for these locations is gathered and analyzed so that particular grid points within the geographic region can be determined and associated with a particular set or sets of calibration data from, for example, one or more NMRs. Regions may be defined as a function of any number of parameters and respective predetermined ranges thereof in the NMRs. An intersection of these defined regions may be determined and the location of a mobile device may be estimated as a function of the intersection.
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