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 …

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

Reconfigurable Intelligent Surfaces (RISs) have been recently considered as an energy-
efficient solution for future wireless networks due to their fast and low-power configuration …

Optimally extracting the advantages available from reconfigurable intelligent surfaces (RISs)
in wireless communications systems requires estimation of the channels to and from the RIS …

The reconfigurable intelligent surface (RIS) has been recognized as an essential enabling
technology for sixth-generation (6G) mobile communication networks. An RIS comprises a …

In this paper, intelligent reflecting surfaces (IRSs) are employed to enhance the physical
layer security in a challenging radio environment. In particular, a multi-antenna access point …

Channel estimation is one of the main tasks in realizing practical intelligent reflecting surface-
assisted multi-user communication (IRS-MUC) systems. However, different from traditional …

A reconfigurable intelligent surface (RIS) can shape the radio propagation environment by
virtue of changing the im**ing electromagnetic waves towards any desired directions …