DRL-based energy-efficient resource allocation frameworks for uplink NOMA systems

X Wang, Y Zhang, R Shen, Y Xu… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
Nonorthogonal multiple access (NOMA) is one of the promising technologies to meet the
huge access demand and high data-rate requirements of the next-generation networks. In …

Computational-Intelligence-Based Spectrum-Sharing Scheme for NOMA-Based Cognitive Radio Networks

K Sultan - Applied Sciences, 2023 - mdpi.com
The integration of non-orthogonal multiple access (NOMA) technology and cognitive radio
networks (CRNs) promises to enhance the spectrum utilization efficiency of 5G and beyond …

Energy-efficient power allocation for NOMA with imperfect CSI

MR Zamani, M Eslami… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
An optimum user power allocation solution to maximize the energy efficiency (EE) in a non-
orthogonal multiple access (NOMA) system with imperfect channel state information at …

Energy and spectrum efficient power allocation with NOMA in downlink HetNets

S Zhang, N Zhang, G Kang, Z Liu - Physical Communication, 2018 - Elsevier
This paper investigates the tradeoff between energy efficiency (EE) and spectrum efficiency
(SE) in a downlink non-orthogonal multiple access (NOMA)-based heterogeneous networks …

Dynamic power allocation for downlink multi-carrier NOMA systems

F Liu, M Petrova - IEEE Communications Letters, 2018 - ieeexplore.ieee.org
In this letter, the performance of optimal dynamic power allocation (PA) is analyzed for
downlink multi-carrier non-orthogonal multiple access (MC-NOMA) systems. We study the …

Receiver and resource allocation optimization for uplink NOMA in 5G wireless networks

M Al-Imari, P Xiao, MA Imran - 2015 International Symposium …, 2015 - ieeexplore.ieee.org
Non-Orthogonal Multiple Access (NOMA) is a promising multiple access technique for 5G
wireless networks. In uplink NOMA, more than one user can use the same subcarrier, which …

Dynamic user clustering and power allocation for uplink and downlink non-orthogonal multiple access (NOMA) systems

MS Ali, H Tabassum, E Hossain - IEEE access, 2016 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) has recently been considered as a key enabling
technique for 5G cellular systems. In NOMA, by exploiting the channel gain differences …

Simulated annealing for resource allocation in downlink NOMA systems in 5G networks

O Abuajwa, MB Roslee, ZB Yusoff - Applied Sciences, 2021 - mdpi.com
In this work, we investigate resource allocation and user pairing to improve the system's
Throughput for the downlink non-orthogonal multiple access (NOMA)-based 5G networks …

Joint transmission scheduling and power allocation in non-orthogonal multiple access

S Fu, F Fang, L Zhao, Z Ding… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Multi-carrier based non-orthogonal multiple access (NOMA) is an effective method to meet
the ever-increasing demands of both user throughput and energy efficiency by multiplexing …

Generalized user grouping in NOMA: An overlapping perspective

W Chen, S Zhao, R Zhang, H Chen… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is regarded as a promising technology to provide
high spectral efficiency and support massive connectivity in 5G systems. Traditionally …