Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 8, 2012
Patent Application Number
12068213
Date Filed
February 4, 2008
Patent Citations Received
Patent Primary Examiner
Patent 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. Received signal level measurements reported by a mobile device for which a location estimate is to be determined may be compared with the data associated with the various grid points to estimate the location of the mobile device.
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