Two-Timescale Design for Reconfigurable Intelligent Surface-Aided Massive MIMO Systems with Imperfect CSI

This paper investigates the two-timescale transmission scheme for reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (MIMO) systems, where the beamforming at the base station (BS) is adapted to the rapidly-changing instantaneous channel state information (CSI), whi...

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Bibliographic Details
Published in:	IEEE transactions on information theory Vol. 69; no. 5; p. 1
Main Authors:	Zhi, Kangda, Pan, Cunhua, Ren, Hong, Wang, Kezhi, Elkashlan, Maged, Di Renzo, Marco, Schober, Robert, Vincent Poor, H., Wang, Jiangzhou, Hanzo, Lajos
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.05.2023 The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Institute of Electrical and Electronics Engineers
Subjects:	Algorithms Analytical models Array signal processing Beamforming Channel estimation Channels Correlation Electromagnetic interference electromagnetic interference (EMI) Engineering Sciences Fading Lower bounds Massive MIMO MIMO communication Reconfigurable intelligent surface (RIS) Reconfigurable intelligent surfaces Rician channels Scaling laws Signal and Image processing spatial correlation Time two-timescale transmission scheme Electromagnetic interference , Massive MIMO , Channel estimation , Correlation , Array signal processing , Rician channels , Analytical models
ISSN:	0018-9448, 1557-9654
Online Access:	Get full text
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