This paper considers a multi-user multiple-input multiple-output (MU-MIMO) system where
the downlink communication between a base station (BS) and multiple user equipments …

In this paper, we consider a downlink multi-user multiple-input multiple-output (MU-MIMO)
communication assisted by a reconfigurable intelligent surface (RIS) and study the …

We consider a multi-user multiple input single output (MU-MISO) system assisted by a
reconfigurable intelligent surface (RIS). For such a system, we aim to optimally select the …

A reconfigurable intelligent surface (RIS) is a real-time controllable reflect-array that consists
of a large number of discrete elements which introduce a phase-shift to the incoming …

In this work, we consider the precoder and multiple reconfigurable intelligent surfaces (RISs)
optimization problem for a downlink multi-user multiple input multiple output (MIMO) …

This paper investigates a reconfigurable intelligent surface (RIS)-aided multi-user multiple-
input multiple-output (MIMO) system by considering only the statistical channel state …

Intelligent reflecting surface (IRS) has emerged as a promising solution to enhance wireless
information transmissions by adaptively controlling prorogation environment. Recently, the …

The reconfigurable intelligent surface (RIS) has aroused much research attention recently
due to its potential benefits in 5G and beyond wireless networks. This paper considers a …

The intelligent reflecting surface (IRS) is a planar array with massive reconfigurable passive
elements, which can align the reflecting signals at the receivers via controlling the phase …

We present efficient algorithms for the sum-spectral efficiency (SE) maximization of the multi-
user reconfigurable intelligent surface (RIS)-aided multiple-input multiple-output (MIMO) …