Multi-objective optimization for spectrum and energy efficiency tradeoff in IRS-assisted CRNs with NOMA

Y Wu, F Zhou, W Wu, Q Wu, RQ Hu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is a promising candidate for the sixth generation
wireless communication networks due to its high spectrum efficiency (SE), energy efficiency …

Integration of NOMA with reflecting intelligent surfaces: A multi-cell optimization with SIC decoding errors

WU Khan, E Lagunas, A Mahmood, Z Ali… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Reflecting intelligent surfaces (RIS) has gained significant attention due to its high energy
and spectral efficiency in next-generation wireless networks. By using low-cost passive …

Simultaneously transmitting and reflecting (STAR) RIS assisted NOMA systems

J Zuo, Y Liu, Z Ding, L Song - 2021 IEEE Global …, 2021 - ieeexplore.ieee.org
In this paper, a novel simultaneously transmitting and reflecting reconfigurable intelligent
surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) system is proposed …

An SCA and relaxation based energy efficiency optimization for multi-user RIS-assisted NOMA networks

T Wang, F Fang, Z Ding - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) assisted non-orthogonal multiple access (NOMA)
transmission can effectively improve the energy/spectrum efficiency in wireless networks …

GSIC for RIS-aided uplink multi-antenna NOMA systems

H Wang, C Liu, Z Shi, Y Fu… - IEEE Communications …, 2021 - ieeexplore.ieee.org
The combination of non-orthogonal multiple access (NOMA) and reconfigurable intelligent
surface (RIS) is capable of boosting spectrum and energy efficiency for future …

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-efficient IRS-aided NOMA beamforming for 6G wireless communications

A Ihsan, W Chen, M Asif, WU Khan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This manuscript presents an energy-efficient alternating optimization framework based on
intelligent reflective surfaces (IRS) aided non-orthogonal multiple access beamforming …

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 …

Energy-efficient beamforming and resource optimization for STAR-IRS enabled hybrid-NOMA 6G communications

M Asif, A Ihsan, WU Khan, Z Ali… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this manuscript, we propose an energy-efficient optimization framework for a multi-cluster
simultaneous transmitting and reflecting intelligent reflecting surfaces (STAR-IRS) enabled …

Deep reinforcement learning powered IRS-assisted downlink NOMA

M Shehab, BS Ciftler, T Khattab… - IEEE Open Journal …, 2022 - ieeexplore.ieee.org
In this work, we examine an intelligent reflecting surface (IRS) assisted downlink non-
orthogonal multiple access (NOMA) scenario intending to maximize the sum-rate of users …