A revolutionary technology relying on Stacked Intelligent Metasurfaces (SIM) is capable of
carrying out advanced signal processing directly in the native electromagnetic (EM) wave …

Reconfigurable intelligent surfaces (RISs) are capable of enhancing the capacity of wireless
networks at a low cost. In practical RIS-assisted communication systems, the acquisition of …

Next-generation cellular networks could witness the creation of smart radio environments
(SREs), where walls and objects will be coated with reconfigurable intelligent surfaces …

In reconfigurable intelligent surface (RIS)-assisted systems the acquisition of channel state
information and the optimization of reflecting coefficients constitute major design challenges …

An innovative method to raise wireless communication systems' efficiency is to use
Reconfigurable Intelligent Surface (RIS). Unfortunately, determining the quantity and …

Reconfigurable intelligent surfaces (RIS) demonstrate the potential to improve the spectrum
and energy efficiency of wireless networks. In this paper, we investigate multiple-RIS …

Large-scale antenna arrays employed by the base station (BS) constitute an essential next-
generation communications technique. However, due to the constraints of size, cost, and …

Reconfigurable intelligent surfaces (RIS) constitute a promising technology for future
wireless communications in terms of improving the spectral-efficiency and energy-efficiency …

Employing Reconfigurable Intelligent Surface (RIS) is an advanced strategy to enhance the
efficiency of wireless communication systems. However, the number and positions of the …

This study delves into the capabilities of reconfigurable intelligent surfaces (RISs) in
enhancing bidirectional non-orthogonal multiple access (NOMA) networks. The proposed …