Patent ID: 7835749
Filing Date: 2010-11-16
Classification: G01S,H04W

Abstract:
1. A storage medium comprising a plurality of programming instructions to be executed by a processor to: receive calibration data associated with a plurality of calibration data points, wherein: compute one or more attributes of a pathloss model based on the calibration data to obtain the pathloss model that best fits the calibration data; compute, using the pathloss model, a plurality of estimated locations for the plurality of calibration data points respectively using the plurality of received signal strength values; associate a plurality of location errors with the plurality of calibration data points respectively, wherein for each calibration data point, its location error is a distance difference between the known location of the calibration data point and the estimated location computed for the calibration data point; compute a location quality within a region comprising the plurality of calibration data points and one or more other locations between the plurality of calibration data points, comprising: generate a map of location quality based on the percentages of the plurality of calibration data points and the interpolated percentages of the one or more other locations between the plurality of calibration data points.