Optimal user pairing approach for NOMA-based cell-free massive MIMO systems

XT Dang, MTP Le, HV Nguyen… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This study investigates a non-orthogonal multiple access (NOMA)-assisted cell-free massive
multiple-input multiple-output (MIMO) system, considering the impact of both individual and …

Optimization of IRS-NOMA-assisted cell-free massive MIMO systems using deep reinforcement learning

XT Dang, HV Nguyen, OS Shin - IEEE Access, 2023 - ieeexplore.ieee.org
We consider the use of multiple intelligent reflecting surfaces (IRSs) in cell-free massive
MIMO (CFMM) systems to improve signal quality. However, pilot contamination can occur …

Resource allocation for throughput versus fairness trade-offs under user data rate fairness in noma systems in 5g networks

O Abuajwa, M Roslee, ZB Yusoff, LL Chuan… - Applied Sciences, 2022 - mdpi.com
In this work, we present a resource allocation scheme for managing trade-offs between total
throughput maximisation and system fairness in a non-orthogonal multiple access (NOMA) …

Throughput fairness trade-offs for downlink non-orthogonal multiple access systems in 5G networks

O Abuajwa, MB Roslee, ZB Yusoff, LC Lee, WL Pang - Heliyon, 2022 - cell.com
In this work, user pairing and power allocation are proposed as a hybrid scheme to
maximise throughput and achieve system fairness in the non-orthogonal multiple access …

[HTML][HTML] Energy-efficient user pairing for downlink NOMA in massive MIMO networks

MA El-ghorab, MR El-meligy, MM Ibrahim, F Newagy - Applied Sciences, 2022 - mdpi.com
The motivations for deploying energy and spectral-efficient network architectures are the
high energy consumption and the need for more spectral resources in modern cellular …

Joint User Pairing and Beamforming Design for NOMA-Aided CFMM-ISAC Systems

Y Dong, Z Yang, H Wang, N Hao… - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
Integrated sensing and communication (ISAC) systems with cell-free massive multiple-input
multiple-output (CFMM) frameworks can offer significant performance improvements for both …

GP-based fair power allocation for 6G multi-user power domain NOMA network

S Srivastava, PP Dash - Journal of Ambient Intelligence and Humanized …, 2024 - Springer
In this paper, a novel geometric progression (GP)-based approach for dynamic power
allocation (PA) in a single-carrier multi-user power-domain non-orthogonal multiple access …

Energy Efficient Design and Control of Non-Orthogonal Multiple Access Systems

OS Shin - Energies, 2022 - mdpi.com
Non-orthogonal multiple access (NOMA) has recently been recognized as a promising
solution for cellular systems to meet exponentially growing demands for mobile data over …