In this letter, in order to achieve higher spectral and energy efficiency, we propose a novel
cost-efficient transmitter conceptual design based on reconfigurable intelligent surface (RIS) …

Reconfigurable intelligent surfaces (RIS) is a revolutionary technology to cost-effectively
improve the performance of wireless networks. We first review the existing framework of …

In this paper, re-configurable intelligent reflecting surfaces (IRS) based on cell-free
communications to serve multi-user (MU) are considered. This is to enhance the …

This paper considers a two-user downlink transmission in reconfigurable intelligent surface
(RIS)-aided network over fading channels. Particularly, by employing user grouping and …

Reconfigurable intelligent surface (RIS) or intelligent reflecting surface (IRS) has recently
been envisioned as one of the most promising technologies in the future sixth-generation …

The use of multiple reconfigurable intelligent surfaces (RIS) between a source and
destination can enhance the performance of wireless communications over severe …

Reconfigurable intelligent surface (RIS) has drawn a great attention worldwide as it can
create favorable propagation conditions by controlling the phase shifts of the reflected …

The technology of Reconfigurable Intelligent Surfaces (RISs) has lately attracted
considerable interest from both academia and industry as a low-cost solution for coverage …

Reconfigurable Intelligent Surface (RIS) has emerged as a key enabling technology to
smartly reconfigure radio propagation environment for beyond the fifth generation or the …

Reconfigurable intelligent surfaces (RISs) comprised of tunable unit cells have recently
drawn significant attention due to their superior capability in manipulating electromagnetic …