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GNSS Hybridization for Indoor Positioning

Lorga, J. ; Silva, P. F. ; Silva, J. ; Silva, T. ; Nunes, M. ; Nunes, F. ; Sousa, F.

GNSS Hybridization for Indoor Positioning, Proc ESA Workshop on Satellite Navigation User Equipment Technologies (NAVITEC), Noordwijk, Netherlands, Vol. 1, pp. 1 - 13, December, 2010.

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We describe a hybridized receiver architecture tightly coupled with different sensors, namely MEMS accelorometers and gyroscopes, Wi-Fi engine and a barometer, allowing significant increase of positioning performance for indoor GNSS signal reception. Expected overall navigation performance increase is described and the benefits of using such external sensors are quantified.