Power control for sum spectral efficiency optimization in MIMO-NOMA systems with linear beamforming

S Park, AQ Truong, TH Nguyen - IEEE Access, 2019 - ieeexplore.ieee.org
This paper considers a multiple-input multiple-output non-orthogonal multiple access
(NOMA) downlink transmission system with different linear beamforming techniques, where …

Outage performance of downlink IRS-assisted NOMA systems

Y Cheng, KH Li, Y Liu, KC Teh - GLOBECOM 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
In this paper, a downlink non-orthogonal multiple access (NOMA) system is studied, in which
an intelligent reflecting surface (IRS) is deployed to enhance the coverage by assisting a cell …

Reconfigurable intelligent surfaces aided multi-cell NOMA networks: A stochastic geometry model

C Zhang, W Yi, Y Liu, K Yang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
By activating blocked users and altering successive interference cancellation (SIC)
sequences, reconfigurable intelligent surfaces (RISs) become promising for enhancing non …

Performance analysis for reconfigurable intelligent surface assisted downlink NOMA networks

X Gong, C Huang, X Yue, F Liu, Z Yang - IET Communications, 2022 - Wiley Online Library
In this paper, a reconfigurable intelligent surface (RIS) assisted downlink non‐orthogonal
multiple access (NOMA) network is considered, where a base station communicates with a …

Power efficient IRS-assisted NOMA

J Zhu, Y Huang, J Wang, K Navaie… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this paper, we propose a downlink multiple-input single-output (MISO) transmission
scheme, which is assisted by an intelligent reflecting surface (IRS) consisting of a large …

RIS-assisted energy-and spectrum-efficient symbiotic transmission in NOMA systems

M Wu, X Lei, X Zhou, X Tang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is able to create favorable reflecting channels for
different users and piggyback additional data in the reflected signals. The former brings …

Simultaneous transmitting and ReflectingIntelligent surfaces-empowered NOMA networks

M Aldababsa, A Khaleel, E Basar - arXiv preprint arXiv:2110.05311, 2021 - arxiv.org
In this paper, we propose simultaneous transmitting and reflecting reconfigurable intelligent
surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) networks. The …

Joint beamforming design in multi-cluster MISO NOMA intelligent reflecting surface-aided downlink communication networks

Y Li, M Jiang, Q Zhang, J Qin - arXiv preprint arXiv:1909.06972, 2019 - arxiv.org
Considering intelligent reflecting surface (IRS), we study a multi-cluster multiple-input-single-
output (MISO) non-orthogonal multiple access (NOMA) downlink communication network. In …

Resource Allocation for Two‑Tier RIS‑Assisted Heterogeneous NOMA Networks

Y XU, Z YANG, C HUANG, C YUEN… - ZTE …, 2022 - zte.magtechjournal.com
Reconfigurable intelligent surface (RIS) as a promising technology has been proposed to
change weak communication environments. However, most of the current resource …

Reconfigurable intelligent surface enabled over-the-air uplink NOMA

E Arslan, F Kilinc, S Arzykulov… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Innovative reconfigurable intelligent surface (RIS) technologies are rising and recognized as
promising candidates to enhance 6G and beyond wireless communication systems. RISs …