An overview of signal processing techniques for RIS/IRS-aided wireless systems

C Pan, G Zhou, K Zhi, S Hong, T Wu… - IEEE Journal of …, 2022‏ - ieeexplore.ieee.org
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 …

Reconfigurable intelligent surfaces: Principles and opportunities

Y Liu, X Liu, X Mu, T Hou, J Xu… - … surveys & tutorials, 2021‏ - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces
(IRSs), or large intelligent surfaces (LISs), 1 have received significant attention for their …

Smart radio environments empowered by reconfigurable intelligent surfaces: How it works, state of research, and the road ahead

M Di Renzo, A Zappone, M Debbah… - IEEE journal on …, 2020‏ - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are an emerging transmission technology for
application to wireless communications. RISs can be realized in different ways, which …

A state-of-the-art survey on reconfigurable intelligent surface-assisted non-orthogonal multiple access networks

Z Ding, L Lv, F Fang, OA Dobre… - Proceedings of the …, 2022‏ - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) and nonorthogonal multiple access (NOMA) have
been recognized as key enabling techniques for the envisioned sixth generation (6G) of …

Joint design for simultaneously transmitting and reflecting (STAR) RIS assisted NOMA systems

J Zuo, Y Liu, Z Ding, L Song… - IEEE Transactions on …, 2022‏ - ieeexplore.ieee.org
Different from traditional reflection-only reconfigurable intelligent surfaces (RISs),
simultaneously transmitting and reflecting RISs (STAR-RISs) represent a novel technology …

On the impact of phase shifting designs on IRS-NOMA

Z Ding, R Schober, HV Poor - IEEE wireless communications …, 2020‏ - ieeexplore.ieee.org
In this letter, the impact of two phase shifting designs, namely coherent phase shifting and
random discrete phase shifting, on the performance of intelligent reflecting surface (IRS) …

Joint beamforming design and power splitting optimization in IRS-assisted SWIPT NOMA networks

Z Li, W Chen, Q Wu, K Wang, J Li - IEEE Transactions on …, 2021‏ - ieeexplore.ieee.org
This paper proposes a novel network framework of intelligent reflecting surface (IRS)-
assisted simultaneous wireless information and power transfer (SWIPT) non-orthogonal …

Resource allocation in STAR-RIS-aided networks: OMA and NOMA

C Wu, X Mu, Y Liu, X Gu, X Wang - IEEE Transactions on …, 2022‏ - ieeexplore.ieee.org
Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a
promising technology that aids in achieving full-space coverage on both sides of the surface …

NOMA and 5G emerging technologies: A survey on issues and solution techniques

A Akbar, S Jangsher, FA Bhatti - Computer Networks, 2021‏ - Elsevier
Abstract Power Domain Non-Orthogonal Multiple Access (PD-NOMA) is a potential
technology for the next generation of cellular networks. Compared to classical orthogonal …

Recent progress in reconfigurable and intelligent metasurfaces: A comprehensive review of tuning mechanisms, hardware designs, and applications

Y Saifullah, Y He, A Boag, GM Yang, F Xu - Advanced Science, 2022‏ - Wiley Online Library
Intelligent metasurfaces have gained significant importance in recent years due to their
ability to dynamically manipulate electromagnetic (EM) waves. Their multifunctional …