We study the tradeoff between energy efficiency (EE) and spectral efficiency (SE) in
multiuser multiple-input multiple-output (MIMO) uplink communications aided by a …

The emergence of reconfigurable intelligent surfaces (RISs) enables us to establish
programmable radio wave propagation that caters for wireless communications, via …

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 …

This paper considers the application of reconfigurable intelligent surfaces (RISs)(aka
intelligent reflecting surfaces (IRSs)) to assist multiuser multiple-input multiple-output (MIMO) …

An emerging technology to enhance the spectral efficiency (SE) and energy efficiency (EE)
of wireless communication systems is reconfigurable intelligent surface (RIS), which is …

In this paper, we investigate the effect of cooperative double Intelligent reflecting surfaces
(IRS) in improving the energy efficiency (EE) of a multi-user multiple-input multiple-output …

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 …

Reconfigurable intelligent surface (RIS) has entered the public consciousness as a
promising technology for enhancing the performance of future wireless communication …

Reconfigurable intelligent surface (RIS) is a promising solution to build a programmable
wireless environment with reconfigurable passive elements, which can achieve high …

In this work, we address the energy efficiency (EE) maximization problem in a downlink
communication system utilizing reconfigurable intelligent surface (RIS) in a multi-user …