Intelligent reflecting surfaces (IRSs) are envisioned to provide reconfigurable wireless
environments for future communication networks. In this paper, both downlink and uplink …

In this paper, we investigate covert communication in an intelligent reflecting surface (IRS)-
assisted non-orthogonal multiple access (NOMA) system, where a legitimate transmitter …

In a backscatter communication system, the backscatter device (BD) transmits its messages
to the backscatter receiver (BR) by reflecting the incident signal from an external radio …

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

This paper surveys the optimization frameworks and performance analysis methods for large
intelligent surfaces (LIS), which have been emerging as strong candidates to support the …

This article proposes a novel framework of resource allocation in multi-cell intelligent
reflecting surface (IRS) aided non-orthogonal multiple access (NOMA) networks, where an …

Abstract Power Domain Non-Orthogonal Multiple Access (PD-NOMA) is a potential
technology for the next generation of cellular networks. Compared to classical orthogonal …

Simultaneously transmitting/refracting and reflecting reconfigurable intelligent surface
(STAR-RIS) has been introduced to achieve full coverage area. This paper investigate the …

Intelligent reflecting surface (IRS) is a new promising technology that is able to reconfigure
the wireless propagation channel via smart and passive signal reflection. In this paper, we …

Cell-free systems can effectively eliminate the inter-cell interference by enabling multiple
base stations (BSs) to cooperatively serve users without cell boundaries at the expense of …