This paper aims to investigate the benefit of using intelligent reflecting surface (IRS) in multi-
user multiple-input single-output (MU-MISO) systems, in the presence of eavesdroppers. We …

As a low-cost and low-power-consumption passive reflector, intelligent reflecting surface
(IRS) can make a significant rate improvement by building a programmable wireless …

An innovative method to raise wireless communication systems' efficiency is to use
Reconfigurable Intelligent Surface (RIS). Unfortunately, determining the quantity and …

The broadcast nature of wireless communication systems makes wireless transmission
extremely susceptible to eavesdrop** and even malicious interference. Physical layer …

In this book chapter, an IRS-aided SSR is proposed, where the IRS perform passive
beamforming and information transfer simultaneously by adjusting the on-off states of the …

Reconfigurable intelligent surfaces (RISs) are envisioned to be a disruptive wireless
communication technique that is capable of reconfiguring the wireless propagation …

In this paper, the robust design for the intelligent reflective surface (IRS) assisted wireless
multi-group multicast system is considered, in which two optimization design problems …

Employing Reconfigurable Intelligent Surface (RIS) is an advanced strategy to enhance the
efficiency of wireless communication systems. However, the number and positions of the …

Compared to passive intelligent reflecting surface (IRS), active IRS is viewed as a more
efficient promising technique to combat the double-fading impact in IRS-aided wireless …

Discrete phase shifter of intelligent reflecting surface (IRS) generates phase quantization
error (QE) and degrades the receive performance at the receiver. To make an analysis of the …