Spatially correlated channel estimation for RIS‐assisted MIMO systems with correlated gaussian perturbation

Abstract This paper studies the problem of spatially correlated channel estimation for reconfigurable intelligent surface (RIS)‐assisted multiple‐input multiple‐output (MIMO) systems with arbitrarily correlated Gaussian perturbation. In particular, composite RIS channel estimation is first explored...

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Bibliographic Details
Main Authors: Changjian Qin, Pinchang Zhang, Ji He
Format: Article
Language:English
Published: Wiley 2023-10-01
Series:IET Communications
Subjects:
Online Access:https://doi.org/10.1049/cmu2.12665