Intelligent omni-surfaces: Simultaneous refraction and reflection for full-dimensional wireless communications

H Zhang, B Di - IEEE Communications Surveys & Tutorials, 2022 - ieeexplore.ieee.org
The development of metasurfaces has unlocked various use cases in wireless
communication networks to improve performance by manipulating the propagation …

Device-to-device relaying: Optimization, performance perspectives, and open challenges towards 6G networks

P Mach, Z Becvar - IEEE Communications Surveys & Tutorials, 2022 - ieeexplore.ieee.org
A relaying can significantly improve performance of contemporary mobile networks in terms
of capacity and/or energy consumption. Nevertheless, an incorporation of conventional relay …

RIS-assisted UAV communications for IoT with wireless power transfer using deep reinforcement learning

KK Nguyen, A Masaracchia, V Sharma… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Many of the devices used in Internet-of-Things (IoT) applications are energy-limited, and
thus supplying energy while maintaining seamless connectivity for IoT devices is of …

AI empowered RIS-assisted NOMA networks: Deep learning or reinforcement learning?

R Zhong, Y Liu, X Mu, Y Chen… - IEEE Journal on Selected …, 2021 - ieeexplore.ieee.org
A reconfigurable intelligent surface (RIS)-assisted multi-user downlink communication
system over fading channels is investigated, where both non-orthogonal multiple access …

Comprehensive review on ML-based RIS-enhanced IoT systems: basics, research progress and future challenges

SK Das, F Benkhelifa, Y Sun, H Abumarshoud… - Computer Networks, 2023 - Elsevier
Sixth generation (6G) internet of things (IoT) networks will modernize the applications and
satisfy user demands through implementing smart and automated systems. Intelligence …

Interference nulling using reconfigurable intelligent surface

T Jiang, W Yu - IEEE Journal on Selected Areas in …, 2022 - ieeexplore.ieee.org
This paper investigates the interference nulling capability of reconfigurable intelligent
surface (RIS) in a multiuser environment where multiple single-antenna transceivers …

Two-timescale design for reconfigurable intelligent surface-aided massive MIMO systems with imperfect CSI

K Zhi, C Pan, H Ren, K Wang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This paper investigates the two-timescale transmission scheme for reconfigurable intelligent
surface (RIS)-aided massive multiple-input multiple-output (MIMO) systems, where the …

Energy harvesting reconfigurable intelligent surface for UAV based on robust deep reinforcement learning

H Peng, LC Wang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Integrating unmanned aerial vehicles with RIS (UAV–RIS) can offer ubiquitous deployment
services in communication-disabled areas, but is limited by the on-board energy of the …

A wideband amplifying reconfigurable intelligent surface

L Wu, K Lou, J Ke, J Liang, Z Luo, JY Dai… - … on Antennas and …, 2022 - ieeexplore.ieee.org
We present a C-band amplifying reconfigurable intelligent surface (ARIS) integrated with
power amplifier (PA) to enhance the reflected electromagnetic (EM) signals. An aperture …

Reconfigurable intelligent surface-assisted multi-UAV networks: Efficient resource allocation with deep reinforcement learning

KK Nguyen, SR Khosravirad… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
In this paper, we propose reconfigurable intelligent surface (RIS)-assisted unmanned aerial
vehicles (UAVs) networks that can utilise both advantages of UAV's agility and RIS's …