Hybrid mobile phone geopositioning

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United States of America Patent

PATENT NO 8494566
APP PUB NO 20110294515A1
SERIAL NO

12791084

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Abstract

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A hybrid positioning system for continuously and accurately determining a location of a mobile device is provided. Samples of GPS locations from a pool of mobile devices and accompanying cell tower data, WLAN data, or other comparable network signals are used to construct a dynamic map of particular regions. The dynamic map(s) may be sent to and stored on individual mobile devices such that the mobile device can compare its less accurate, but more readily available, data like cell tower signals to recorded ones and estimate its position more accurately and continuously. The position data may be sent to a server for user in location based services.

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Patent Owner(s)

Patent OwnerAddress
MICROSOFT TECHNOLOGY LICENSING LLCOF AMERICA UNIV

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Billy Bellevue, US 57 743
Ofek, Eyal Redmond, US 162 3159

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