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) is a promising solution to enhance the spectral and
energy efficiencies of future wireless networks. In this paper, we aim to maximize the sum …

Reconfigurable intelligent surfaces (RISs) represent a new technology that can shape the
radio wave propagation and thus offers a great variety of possible performance and …

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) has evolved into a promising approach to
significantly improve both spectral and energy efficiencies of wireless communications …

The emerging reconfigurable intelligent surface (RIS) is a prospective technique to modulate
the wireless channel and improve performance, in which large amounts of passive elements …

Reconfigurable intelligent surfaces (RIS) can improve signal propagation environments by
adjusting the phase of the incident signal. However, optimizing the phase shifts jointly with …

In this paper, we consider an active reconfigurable intelligent surface (RIS) to assist the
multiuser downlink transmission in the presence of practical hardware impairments (HWIs) …

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

Reconfigurable intelligent surfaces (RIS) is a promising solution to build a programmable
wireless environment via steering the incident signal in fully customizable ways with …