Tradeoff Analysis of Energy Efficiency and Spectral Efficiency for Downlink NOMA Systems

B Su, J Xue, H Liu, Y Liu - 2023 6th International Conference …, 2023 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is regarded as a promising technique for the fifth
generation communication due to both its outstanding spectral efficiency (SE) and energy …

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 …

On the ergodic capacity and energy efficiency for fading MIMO NOMA systems

Q Sun, CL I, S Han, Z Pan - Journal of Signal Processing Systems, 2016 - Springer
Non-orthogonal multiple access (NOMA) is expected to be a promising multiple access
techniques for 5G networks due to its superior spectral efficiency (SE). Previous research …

Cross-layer resource allocation in NOMA systems with dynamic traffic arrivals

H Ding, KC Leung - 2020 IEEE Wireless Communications and …, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) has become a potential candidate to satisfy the
heterogeneous demands in the fifth generation of wireless communication systems. With the …

Joint spectral and energy efficiency optimization for downlink NOMA networks

WU Khan, F Jameel, T Ristaniemi… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) holds the promise to be a key enabler of 5G
communication. However, the existing design of NOMA systems must be optimized to …

Reconfigurable intelligent surface-assisted NOMA with coordinate reflector interleaving under Rician fading channel

K Asmoro, INA Ramatryana, SY Shin - IEEE Access, 2024 - ieeexplore.ieee.org
The concept of reconfigurable intelligent surface-assisted (RIS) for assisting non-orthogonal
multiple access (NOMA) transmission, where the phases can be adjusted to decrease error …

The application of intelligent reflecting surface in downlink NOMA systems

J Zuo, Y Liu, Z Qin, C Shen - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
This paper investigates the downlink communications of the intelligent reflecting surface
(IRS) assisted non-orthogonal multiple access (NOMA) systems. To maximize the system …

RIS-assisted NOMA with interference-cancellation and interference-alignment scheme

BYD Rito, KH Li - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a cost-effective method to enhance the end-to-
end wireless channel. Meanwhile, Non-Orthogonal Multiple Access (NOMA) improves the …

Resource allocation for IRS assisted SGF NOMA transmission: A MADRL approach

J Chen, L Guo, J Jia, J Shang… - IEEE Journal on Selected …, 2022 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) assisted semi-grant-free (SGF) transmission has
been viewed as one of the promising technologies to meet massive connectivity …

Machine learning for user partitioning and phase shifters design in RIS-aided NOMA networks

Z Yang, Y Liu, Y Chen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A novel reconfigurable intelligent surface (RIS) aided non-orthogonal multiple access
(NOMA) downlink transmission framework is proposed. We formulate a long-term stochastic …