A survey on channel estimation and practical passive beamforming design for intelligent reflecting surface aided wireless communications

B Zheng, C You, W Mei, R Zhang - … Communications Surveys & …, 2022 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize
smart and reconfigurable radio environment for wireless communications, by digitally …

Spectrum sensing, clustering algorithms, and energy-harvesting technology for cognitive-radio-based internet-of-things networks

X Fernando, G Lăzăroiu - Sensors, 2023 - mdpi.com
The aim of this systematic review was to identify the correlations between spectrum sensing,
clustering algorithms, and energy-harvesting technology for cognitive-radio-based internet …

UAV-assisted RIS for future wireless communications: A survey on optimization and performance analysis

AC Pogaku, DT Do, BM Lee, ND Nguyen - IEEE Access, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RIS), a device made of low-cost meta-surfaces that can
reflect or refract the signals in the desired manner, have the immense ability to enhance the …

A survey of deep learning based NOMA: State of the art, key aspects, open challenges and future trends

SAH Mohsan, Y Li, AV Shvetsov, J Varela-Aldás… - Sensors, 2023 - mdpi.com
Non-Orthogonal Multiple Access (NOMA) has become a promising evolution with the
emergence of fifth-generation (5G) and Beyond-5G (B5G) rollouts. The potentials of NOMA …

User grou** and energy harvesting in UAV-NOMA system with AF/DF relaying

DT Do, AT Le, Y Liu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The development of unmanned aerial vehicles (UAVs) is one of the driving forces for
revolutionizing wireless communications in the modern era. Although there are many unique …

STAR-IOS aided NOMA networks: Channel model approximation and performance analysis

C Zhang, W Yi, Y Liu, Z Ding… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Compared with the conventional reconfigurable intelligent surfaces (RIS), simultaneous
transmitting and reflecting intelligent omini-surfaces (STAR-IOSs) are able to achieve 360° …

[HTML][HTML] IRS-enabled NOMA communication systems: A network architecture primer with future trends and challenges

H Sadia, AK Hassan, ZH Abbas, G Abbas… - Digital Communications …, 2023 - Elsevier
Abstract Non-Orthogonal Multiple Access (NOMA) has already proven to be an effective
multiple access scheme for 5th Generation (5G) wireless networks. It provides improved …

RIS-aided physical layer security with full-duplex jamming in underlay D2D networks

W Khalid, H Yu, DT Do, Z Kaleem, S Noh - IEEE Access, 2021 - ieeexplore.ieee.org
This paper investigates the physical layer security and data transmission for the underlay
device-to-device (D2D) networks, and considers a combination of the reconfigurable …

Exploiting multiple RISs and direct link for performance enhancement of wireless systems with hardware impairments

PT Tran, BC Nguyen, TM Hoang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, the performance of a wireless system, which is beneficial from utilization of
multiple reconfigurable intelligent surfaces (RISs) and the direct link between the source …

Reconfigurable intelligent surface aided multi-user communications: State-of-the-art techniques and open issues

M Munochiveyi, AC Pogaku, DT Do, AT Le… - IEEE …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS)-aided communication is considered as an exciting
research topic in academic and industrial communities since it provides an emerging …