Low-complexity two-step optimization in active-IRS-assisted uplink NOMA communication

CW Chen, WC Tsai, AY Wu - IEEE Communications Letters, 2022 - ieeexplore.ieee.org
Recently, the active intelligent reflecting surface (IRS) has been proposed to adjust the
phase and amplify the magnitude of the incident signal simultaneously. It has a more …

On power minimization for IRS-aided downlink NOMA systems

H Wang, C Liu, Z Shi, Y Fu… - IEEE wireless …, 2020 - ieeexplore.ieee.org
Both intelligent reflecting surface (IRS) and non-orthogonal multiple access (NOMA) are the
cutting-edge technologies for future wireless communications. In this letter, we examine the …

Power Minimization for Double Cooperative-RIS-Assisted Uplink NOMA System

H Ma, H Wang, H Zhao, S Fu - IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
As a cutting-edge technique of the sixth generation mobile communication, reconfigurable
intelligent surface (RIS) is compatible with many existing technologies very well. In the …

Downlink Multi-IRS Aided NOMA System With Second-Order Reflection

H Wang, Z Shi, Y Fu, R Song - IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
The performance of non-orthogonal multiple access (NOMA) system can be enhanced by
the incorporation of intelligent reflecting surface (IRS), which has the capability of …

Sum rate maximization for active RIS-aided uplink multi-antenna NOMA systems

X Yang, H Wang, Y Feng - IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
Both reconfigurable intelligent surface (RIS) and non-orthogonal multiple access (NOMA)
are treated as promising technologies for future wireless communications. However, the …

Sum rate maximization for multi-IRS assisted downlink NOMA with mobile users

L Wang, T Zhou, T Xu - ICC 2022-IEEE International …, 2022 - ieeexplore.ieee.org
Intelligent reflection surface (IRS) has been recognized as an emerging revolutionary
technology for the next generation wireless communication. In this paper, we consider a …

Robust beamforming design for an IRS-aided NOMA communication system with CSI uncertainty

Y Omid, SMM Shahabi, C Pan, Y Deng… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is a promising technology that provides high throughput in
future communication systems and is compatible with various communication techniques …

Energy Efficiency Maximization for Active IRS-Assisted Uplink NOMA Systems

T Qiao, Y Cao, J Tang, N Deng… - IEEE Wireless …, 2024 - ieeexplore.ieee.org
Active intelligent reflecting surface (IRS) can be coupled by non-orthogonal multiple access
(NOMA) to enhance the spectrum efficiency. However, this improvement comes at the …

The application of intelligent reflecting surface in downlink NOMA systems

J Zuo, Y Liu, Z Qin, C Shen - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
This paper investigates the downlink communications of the intelligent reflecting surface
(IRS) assisted non-orthogonal multiple access (NOMA) systems. To maximize the system …

Sum rate maximization for NOMA-based VLC with optical intelligent reflecting surface

Z Liu, F Yang, S Sun, J Song… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is a novel technology that provides new research
perspectives for wireless communications due to its capability of redesigning the wireless …