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 …

Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize
smart and reconfigurable radio environment for wireless communications, by digitally …

This letter theoretically compares the active reconfigurable intelligent surface (RIS)-aided
system with the passive RIS-aided system. For a fair comparison, we consider that these two …

The swift progress of metasurface technology, enabling meticulous manipulation of the
propagation environment, is anticipated to bring a transformative impact on sixth-generation …

Recently reconfigurable intelligent surface (RIS) has attracted great attention because it can
create a smart wireless environment. Hence it can enhance the capacity and coverage of the …

Security and latency are crucial aspects in the design of future wireless networks. Physical
layer security (PLS) has received a growing interest from the research community in recent …

Reconfigurable intelligentsurface (RIS) has emerged as a cost-and energy-efficient solution
to enhance the wireless communications capacity. However, recent studies show that a very …

Intelligent reflecting surface (IRS) has emerged as a promising technology to enhance the
wireless communication network coverage and capacity by dynamically controlling the radio …

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 proposed as a promising solution for future
green wireless communications, owing to their ability to manipulate signal propagation …