Fast in-band position-aided beam selection in millimeter-wave MIMO
Garcia, Gabriel E. (Chalmers University of Technology. Department of Electrical Engineering)
Garcia, Nil (Chalmers University of Technology. Department of Electrical Engineering)
Seco Granados, Gonzalo (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes)
Karipidis, Eleftherios (Ericsson Research)
Wymeersch, Henk (Chalmers University of Technology. Department of Electrical Engineering)

Fecha:	2019
Resumen:	Millimeter-wave (mm-wave) and massive multiple-input-multiple-output technologies appear as key enablers in future emerging wireless communication systems. Propagation in mm-wave communications is well described by geometric channel models, where a clear relation between communication and positioning arises. On one hand, initial access, a procedure that precedes high data rate transmission and consists of beam selection and alignment between two devices, can benefit from position information. On the other hand, accurate positioning relies on high-quality communication links with proper beam alignment. This work analyzes the interplay between communication and positioning, proposes a new in-band position-aided beam selection protocol considering scenarios with line-of-sight and reflected paths, and possible beam alignment errors. Simulation results show significant reductions in latency with respect to standard beam selection protocols.
Ayudas:	European Commission 258418 European Commission 636537 Ministerio de Economía y Competitividad TEC2017-89925-R
Derechos:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió publicada
Materia:	Cramer-Rao bounds ; Initial access ; Millimeter wave communication ; MIMO ; Orientation ; Positioning ; Position measurement ; Protocols
Publicado en:	IEEE Access, Vol. 7 (2019) , p. 142325-142338, ISSN 2169-3536

DOI: 10.1109/ACCESS.2019.2944579

14 p, 8.9 MB

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