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

This paper deals with the use of Reconfigurable Intelligent Surfaces (RISs) for radar
surveillance in Non-Line Of Sight (N-LOS) scenarios. First of all, the geometry of the scene …

Reconfigurable intelligent surface (RIS) has gained much traction due to its potential to
manipulate the propagation environment via nearly-passive reconfigurable elements. In our …

In this paper, we propose a novel semi-passive elements-aided channel estimation
framework for intelligent reflecting surface (IRS), where a small portion of IRS reflecting …

Reconfigurable intelligent surface (RIS)-assisted millimeter-wave (mmWave) communication
systems relying on hybrid beamforming structures are capable of achieving high spectral …

Index modulation (IM) provides a novel way for the transmission of additional data bits via
the indices of the available transmit entities compared with classical communication …

Reconfigurable intelligent surface (RIS)-based transmission technology offers a promising
solution to enhance wireless communication performance cost-effectively through properly …

Intelligent reflective surface (IRS) technology is emerging as a promising performance
enhancement technique for next-generation wireless networks. Hence, we investigate the …

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

In this paper, a cyclic-prefixed single-carrier (CPSC) transmission scheme with phase shift
keying (PSK) signaling is presented for broadband wireless communications systems …