Exploiting Spatial Diversity for NLOS Indoor Positioning

J. A. García-Molina, J. A. Fernández-Rubio, J. M. Parro

Peer Reviewed

Abstract:	This paper discusses the exploitation of the spatial diversity provided by arrays of antennas to overcome the limitations observed in GNSS-based indoor positioning. In particular, the positioning problem is treated as a multiple-input multiple-output (MIMO) estimation problem in which the available transmission and reception spatial diversities are jointly exploited. The proposed position estimation approach has been assessed by simulation in indoor scenarios based on a physical-statistical wideband satelliteto-indoor channel model. The simulation results presented show that the exploitation of the spatial diversity introduced by the array of antennas in indoor conditions enables a reduction of the indoor position errors even when most or all of the line-of-sight (LOS) signals are highly impacted by blockage and multipath.
Published in:	Proceedings of the 31st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2018) September 24 - 28, 2018 Hyatt Regency Miami Miami, Florida
Pages:	3457 - 3462
Cite this article:	García-Molina, J. A., Fernández-Rubio, J. A., Parro, J. M., "Exploiting Spatial Diversity for NLOS Indoor Positioning," Proceedings of the 31st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2018), Miami, Florida, September 2018, pp. 3457-3462. https://doi.org/10.33012/2018.15865
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