System and method for generating a location estimate using uniform and non-uniform grid points
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United States of America Patent
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Mar 26, 2013
Grant Date -
Aug 7, 2008
app pub date -
Feb 5, 2008
filing date -
Feb 5, 2007
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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. Sets of grid points may be evaluated as a function of parameters of the calibration data, and a set of grid points may be selected as a function of a predetermined criteria. The location of a mobile device in the geographic region may then be determined as a function of the predetermined criteria.
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