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Position and orientation estimation through millimeter wave MIMO in 5G systems

Shahmansoori, Arash; Garcia, Gabriel E.; Destino, Giuseppe; Seco-Granados, Gonzalo; Wymeersch, Henk (2017-12-27)

 
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https://doi.org/10.1109/TWC.2017.2785788

Shahmansoori, Arash
Garcia, Gabriel E.
Destino, Giuseppe
Seco-Granados, Gonzalo
Wymeersch, Henk
Institute of Electrical and Electronics Engineers
27.12.2017

A. Shahmansoori, G. E. Garcia, G. Destino, G. Seco-Granados and H. Wymeersch, "Position and Orientation Estimation Through Millimeter-Wave MIMO in 5G Systems," in IEEE Transactions on Wireless Communications, vol. 17, no. 3, pp. 1822-1835, March 2018. doi: 10.1109/TWC.2017.2785788

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doi:https://doi.org/10.1109/TWC.2017.2785788
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Abstract

Millimeter-wave (mm-wave) signals and large antenna arrays are considered enabling technologies for future 5G networks. While their benefits for achieving high-data rate communications are well-known, their potential advantages for accurate positioning are largely undiscovered. We derive the Cramér-Rao bound (CRB) on position and rotation angle estimation uncertainty from mm-wave signals from a single transmitter, in the presence of scatterers. We also present a novel two-stage algorithm for position and rotation angle estimation that attains the CRB for average to high signal-to-noise ratio. The algorithm is based on multiple measurement vectors matching pursuit for coarse estimation, followed by a refinement stage based on the space-alternating generalized expectation maximization algorithm. We find that accurate position and rotation angle estimation is possible using signals from a single transmitter, in either line-of-sight, non-line-of-sight, or obstructed-line-of-sight conditions.

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