Reconfigurable intelligent surfaces (RISs) are programmable metasurface structures that
can control the propagation of electromagnetic waves by changing the electrical and …

This article presents a multibit reconfigurable intelligent surface (RIS) with a high phase
resolution, capable of beam-steering in the azimuthal plane at sub-6 GHz. Field trials in …

The emergence of reconfigurable intelligent surfaces (RIS) represents a notable
technological advancement that has gained considerable interest within the wireless …

This work explores the performance of a 1-bit dual-linear polarised varactor-based
metasurface design at sub-6 GHz. A modified particle swarm optimisation algorithm was …

In this paper, we focus on reconfigurable intelligent surface (RIS)-aided resource allocation
under base stations (BSs)'non-cooperation scheme, where the RIS is solely controlled by …

In this article, we suggest enhancing the physical layer security of wireless systems using
reconfigurable intelligent surfaces (RIS). We compute the secrecy outage probability and the …

INTRODUCTION: The beyond 5G millimeter wave cellular network system is expecting to
provide the high quality of service in indoor areas. OBJECTIVES: Due to the high density of …

In this paper, we focus on reconfigurable intelligent surface (RIS)-aided joint wide
illumination and null insertion design. This design can be applied in cellular networks, broad …

Reconfigurable intelligent surface (RIS) has been identified as a promising disruptive
innovation to realize a faster, safer and more efficient communication system in the coming …

Cooperative Communication is one of the most effective techniques to improve the desired
signal quality of the typical user. This paper studies an indoor cellular network system that …