Power minimization transmission design for IRS-assisted uplink NOMA systems

H Ma, H Wang - 2021 IEEE 94th Vehicular Technology …, 2021 - ieeexplore.ieee.org
Combining intelligent reflecting surface (IRS), which can reconfigure the channel
environment of wireless communication, with non-orthogonal multiple access (NOMA) …

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 …

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 …

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 …

Transmit power minimization for IRS-assisted cooperative NOMA networks with SWIPT

L Xia, Z Yang, J Cui, Y Wu, Z Dong… - 2021 13th International …, 2021 - ieeexplore.ieee.org
This paper considers an intelligent reflecting surface (IRS)-assisted downlink cooperative
multiple-input single-output non-orthogonal multiple access (MISO-NOMA) networks with …

Sum rate maximization for IRS-assisted uplink NOMA

M Zeng, X Li, G Li, W Hao… - IEEE Communications …, 2020 - ieeexplore.ieee.org
An intelligent reflecting surface (IRS) consists of a large number of low-cost reflecting
elements, which can steer the incident signal collaboratively by passive beamforming. This …

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 …

QoS guaranteed power minimization and beamforming for IRS-assisted NOMA systems

G Li, H Zhang, Y Wang, Y Xu - IEEE Wireless Communications …, 2022 - ieeexplore.ieee.org
In this letter, to solve the problem of large interference among users and reduce the transmit
power consumption of base station while guaranteeing target quality of service (QoS) in …

Energy efficiency maximization for IRS-assisted NOMA networks

J Wang, J Li - Physical Communication, 2022 - Elsevier
In this paper, we consider a non-orthogonal multiple access (NOMA) system assisted by
intelligent reflecting surface (IRS). As an emerging technology that has received widespread …

Joint phase shift and beamforming design in a multi-user MISO STAR-RIS assisted downlink NOMA network

T Wang, F Fang, Z Ding - IEEE Transactions on Vehicular …, 2023 - ieeexplore.ieee.org
Simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) has
gradually been considered as a promising technology in the wireless communication …