Joint user association and power allocation in heterogeneous NOMA networks with imperfect CSI

X Wang, Y Xu, J Wang, S Fu - IEEE Access, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA)-enabled heterogeneous networks (N-HetNets) can
provide higher system capacity and spectrum efficiency by allowing multiple users …

Energy efficient power allocation for downlink NOMA heterogeneous networks with imperfect CSI

X Song, L Dong, J Wang, L Qin, X Han - IEEE Access, 2019 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is a promising emerging technology that can
significantly improve the utilization of spectrum and system capacity in heterogeneous …

Non-cooperative game-based power allocation for energy-efficient NOMA heterogeneous network

K Long, W Li, M Jiang, J Lu - IEEE Access, 2020 - ieeexplore.ieee.org
This paper focus on the two-tier downlink heterogeneous networks (HetNets) with non-
orthogonal multiple access (NOMA). The aim is to jointly optimize user scheduling and …

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 …

[HTML][HTML] Robust resource allocation for NOMA-assisted heterogeneous networks

H Xie, Y Xu - Digital Communications and Networks, 2022 - Elsevier
As a promising technology to improve spectrum efficiency and transmission coverage,
Heterogeneous Network (HetNet) has attracted the attention of many scholars in recent …

Joint energy efficient subchannel and power optimization for a downlink NOMA heterogeneous network

F Fang, J Cheng, Z Ding - IEEE Transactions on Vehicular …, 2018 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) has been considered as a key technology in the
fifth-generation mobile communication networks due to its superior spectrum efficiency …

Robust resource allocation in two-tier NOMA heterogeneous networks toward 5G

Z Liu, G Hou, Y Yuan, KY Chan, K Ma, X Guan - Computer Networks, 2020 - Elsevier
This paper proposes a framework of users association and power allocation in the two-tier
heterogeneous networks with nonorthogonal multiple access (NOMA). Taking account of …

Energy-efficient joint user-RB association and power allocation for uplink hybrid NOMA-OMA

M Zeng, A Yadav, OA Dobre… - IEEE Internet of Things …, 2019 - ieeexplore.ieee.org
In this paper, energy efficient resource allocation is considered for an uplink hybrid system,
where non-orthogonal multiple access is integrated into orthogonal multiple access (OMA) …

Non-cooperative game based power allocation for energy and spectrum efficient downlink noma hetnets

A Nasser, O Muta, H Gacanin, M Elsabrouty - IEEE Access, 2021 - ieeexplore.ieee.org
In this paper, the tradeoff between spectrum efficiency (SE) and energy efficiency (EE) is
investigated in terms of interference management and power allocation for heterogeneous …

Stackelberg game-based energy efficient power allocation for heterogeneous NOMA networks

D Gao, Z Liang, H Zhang, OA Dobre… - 2018 IEEE global …, 2018 - ieeexplore.ieee.org
Recently, it was shown that non-orthogonal multiple access (NOMA) became a hot topic due
to its capacity for ameliorating spectral efficiency. In this paper, power allocation in …