In the past as well as present wireless communication systems, the wireless propagation
environment is regarded as an uncontrollable black box that impairs the received signal …

Reconfigurable intelligent surfaces (RISs) or intelligent reflecting surfaces (IRSs) are
regarded as one of the most promising and revolutionizing techniques for enhancing the …

Despite the wide utilization of unmanned aerial vehicles (UAVs), UAV communications are
susceptible to eavesdropping due to air-ground line-of-sight channels. Intelligent reflecting …

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 …

Thanks to their flexibility and mobility, unmanned aerial vehicles (UAVs) have been widely
applied in wireless networks. However, UAV communications may suffer from blockage and …

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

Wireless communication in the TeraHertz band (0.1-10 THz) is envisioned as one of the key
enabling technologies for the future sixth generation (6G) wireless communication systems …

Although the fifth generation (5G) wireless networks are yet to be fully investigated, the
visionaries of the 6th generation (6G) echo systems have already come into the discussion …

Reconfigurable intelligent surface (RIS) is a promising technology for 6 G networks owing to
its superior ability to enhance the capacity and coverage of wireless communications by …