Position and Orientation Estimation Through Millimeter-Wave MIMO in 5G Systems

Arash Shahmansoori*, Gabriel E. Garcia, Giuseppe Destino, Gonzalo Seco-Granados, Henk Wymeersch

*Autor corresponent d’aquest treball

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436 Cites (Scopus)

Resum

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.

Idioma originalEnglish
Pàgines (de-a)1822-1835
Nombre de pàgines14
RevistaIEEE Transactions on Wireless Communications
Volum17
Número3
DOIs
Estat de la publicacióPublicada - de març 2018

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