Re-configurable intelligent surface (RIS)-aided communication has been envisaged as a
frontier scheme to enable ultra-high spectral efficiency (SE) and energy efficiency (EE) for …

In thefifth-generation and beyond era, reconfigurable intelligent surface (RIS) and dynamic
metasurface antennas (DMAs) are emerging metamaterials keeping up with the demand for …

We study the problem of distributed user scheduling and beamforming in multi-user, multi-
cell, multiple-input multiple-output (MIMO) networks to maximize the weighted sum-rate …

Hybrid beamforming (HBF) is a promising approach to obtain a better balance between
hardware complexity and system performance in massive MIMO communication systems …

The downlink training yields rather modest performance gains due to the high degree of
channel hardening effect in co-located large-scale multi-input multi-output (MIMO) systems …

Considering the design of two-stage beamformers for the downlink of multi-user massive
multiple-input multiple-output systems in frequency division duplexing mode, this paper …

In this paper, we study the beamforming design problem in frequency-division duplexing
(FDD) downlink massive MIMO systems, where instantaneous channel state information …

Intelligent reflecting surface (IRS) is a promising technology to enable programmable
wireless propagation environments, by dynamically adjusting its phase shifters. Unlike most …

This paper presents a joint space-frequency user scheduling approach to enhance the
random beamforming (RBF) with limited feedback in multiple-input-multiple-output (MIMO) …

This paper investigates the joint beamforming design for the intelligent reflecting surface
(IRS) aided multi-antenna multiuser (MU) multiple-input multiple-output (MIMO) downlink …