System and meth0d for generating a location estimate using...

H - Electricity – 04 – W

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H04W 64/00 (2009.01) H04W 24/10 (2009.01) G01S 5/02 (2006.01)

Patent

CA 2677093

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.

L'invention concerne l'emplacement d'un dispositif mobile sans fil qui peut être estimé en utilisant, au moins en partie, un ou plusieurs rapports de mesure de réseau ("NMR") préexistants qui comprennent des données de calibrage pour plusieurs emplacements dans une zone géographique. Les données de calibrage pour ces emplacements sont rassemblées et analysées, de sorte que des points de grille particuliers dans la zone géographique peuvent être déterminés et associés à un ensemble ou des ensembles particuliers de données de calibrage provenant, par exemple, d'un ou plusieurs NMR. Des mesures de niveau de signal reçu rapportées par un dispositif mobile, pour lequel une estimation d'emplacement doit être déterminée, peuvent être comparées aux données associées aux divers points de grille pour estimer l'emplacement du dispositif mobile.

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