Asymptotic performance of reconfigurable intelligent surface assisted MIMO communication for large systems using random matrix theory
Feng Hu,
Hongliu Zhang,
ShuTing Chen
et al.
Abstract:Reconfigurable intelligent surface (RIS) can provide unprecedented spectral efficiency gains and excellent ability to manipulate electromagnetic waves. This article considered a RIS‐assisted multiuser multiple‐input multiple‐output (MIMO) downlink system, where the beamforming at the base station and RIS are jointly designed to maximize the sum‐rate. For the large dimension scenario and high‐rank beamforming matrix, the accurate deterministic approximations from random matrix theory are then utilized to simpli… Show more
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