Recent intensive and extensive development of the fifth-generation (5G) of cellular networks
has led to their deployment throughout much of the world. As part of this implementation …

Free-space optical (FSO) systems are able to offer the high data-rate, secure, and cost-
efficient communication links required for applications such as wireless front-and …

Satellite–aerial–ground integrated network (SAGIN) has been widely envisioned as a
promising network architecture for 6G. In the SAGINs, high-altitude platform (HAP)-aided …

One of the main problems faced by communication systems is the presence of skip-zones in
the targeted areas. With the deployment of the fifth-generation mobile network, solutions are …

Reconfigurable intelligent surfaces (RISs) are an emerging technology aimed to enhance
the energy and spectrum efficiency of wireless communication links by reconfiguring the …

Intelligent reflecting surface (IRS)-assisted wireless communication has recently become a
promising technology to relax the line-of-sight requirement and also to provide a …

Active reconfigurable intelligent surfaces (RISs) have recently been proposed to
complement and generalize passive RIS. In this work, the design for an active RIS based on …

Reconfigurable intelligent surfaces (RISs) are rapidly gaining prominence in the realm of
fifth generation (5G)-Advanced, and predominantly, sixth generation (6G) mobile networks …

In this paper, we investigate the effects of jamming caused by a malicious unmanned aerial
vehicle (UAV) on the performance of a free-space optical (FSO) communication system …

Intelligent reflecting surfaces (IRS) recently gained prominence due to their ability to adapt
and tweak their configuration in real-time to create an intelligent wireless environment …