Space-air-ground integrated 6G wireless communication networks: A review of antenna technologies and application scenarios

FA Dicandia, NJG Fonseca, M Bacco, S Mugnaini… - Sensors, 2022 - mdpi.com
A review of technological solutions and advances in the framework of a Vertical
Heterogeneous Network (VHetNet) integrating satellite, airborne and terrestrial networks is …

Reconfigurable intelligent surfaces as the key-enabling technology for smart electromagnetic environments

F Bilotti, M Barbuto, Z Hamzavi-Zarghani… - … in Physics: X, 2024 - Taylor & Francis
Future wireless systems integrating communication and sensing will require handling an
enormous amount of data with extremely low latency. Intense video streaming data traffic …

Phase-gradient Huygens' metasurface coatings for dynamic beamforming in linear antennas

S Vellucci, M Longhi, A Monti, M Barbuto… - … on Antennas and …, 2023 - ieeexplore.ieee.org
The beamforming capabilities of conformal cylindrical Huygens metasurface (HMS) coatings
for linear antennas are assessed. It is shown that by engineering the phase-gradient profile …

Spatial multiplexing in near field MIMO channels with reconfigurable intelligent surfaces

G Bartoli, A Abrardo, N Decarli, D Dardari… - IET Signal …, 2023 - Wiley Online Library
We consider a multiple‐input multiple‐output (MIMO) channel in the presence of a
reconfigurable intelligent surface (RIS). Specifically, our focus is on analysing the spatial …

Two-timescale joint precoding design and RIS optimization for user tracking in near-field MIMO systems

S Palmucci, A Guerra, A Abrardo… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we propose a novel framework that aims to jointly design the reflection
coefficients of multiple reconfigurable intelligent surfaces and the precoding strategy of a …

Metasurface-enabled smart wireless attacks at the physical layer

M Wei, H Zhao, V Galdi, L Li, TJ Cui - Nature Electronics, 2023 - nature.com
In current wireless communication systems, sophisticated attack strategies at the physical
layer—the electromagnetic wave signals carrying the information—leave traces in the …

RIS-assisted wireless communications: Long-term versus short-term phase shift designs

T Van Chien, LT Tu, W Khalid, H Yu… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) has recently gained significant interest as an
emerging technology for future wireless networks thanks to its potential for improving the …

Challenge-response physical layer authentication over partially controllable channels

S Tomasin, H Zhang, A Chorti… - IEEE Communications …, 2022 - ieeexplore.ieee.org
Challenge-response is a security mechanism well known for authentication using
encryption. In this article, we propose new challenge-response mechanisms in the context of …

Composite vortex manipulation as a design tool for reflective intelligent surfaces

M Barbuto, A Alù, F Bilotti… - IEEE Antennas and …, 2023 - ieeexplore.ieee.org
To achieve a smart electromagnetic (EM) environment, several implementation challenges
need to be addressed. Among them, the practical realization of low-cost and easily …

A multihop strategy for the planning of EM skins in a smart electromagnetic environment

M Salucci, A Benoni, G Oliveri, P Rocca… - … on Antennas and …, 2023 - ieeexplore.ieee.org
This article deals with the electromagnetic (EM) planning of static and passive EM skins
(EMSs) in complex urban scenarios to improve the EM coverage of the base-station (BTS) …