Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal
propagation in wireless networks. By smartly tuning the signal reflection via a large number …

Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces
(IRSs), or large intelligent surfaces (LISs), 1 have received significant attention for their …

Reconfigurable intelligent surfaces (RISs) are an emerging transmission technology for
application to wireless communications. RISs can be realized in different ways, which …

This article considers an artificial noise (AN)-aided secure MIMO wireless communication
system. To enhance the system security performance, the advanced intelligent reflecting …

A comprehensive review of metamaterials and metasurfaces for wireless power transfer
(WPT) and wireless energy harvesting (WEH) is presented in this article. According to the …

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

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 …

With massive deployment, multiple-input–multiple-output (MIMO) systems continue to take
mobile communications to new heights, but the ever-increasing demands mean that there is …

This paper studies an intelligent reflecting surface (IRS) aided wireless powered sensor
network (WPSN). Specifically, a power station (PS) provides wireless energy to multiple …

Energy-efficient design and secure communications are of crucial importance in wireless
communication networks. However, the energy efficiency achieved by using physical layer …