Cluster-Based Strategy for Maximizing the Sum-Rate of a Distributed Reconfigurable Intelligent Surface (RIS)-Assisted Coordinated Multi-Point Non-Orthogonal …

Q Yang, Q Zhang, Y Peng - Sensors, 2024 - mdpi.com
This article proposes a distributed intelligent Coordinated Multi-Point Non-Orthogonal
Multiple-Access (CoMP-NOMA) collaborative transmission model with the assistance of …

RIS-assisted joint transmission in a two-cell downlink NOMA cellular system

M Elhattab, MA Arfaoui, C Assi… - IEEE Journal on …, 2022 - ieeexplore.ieee.org
This paper investigates the integration of reconfigurable intelligent surface (RIS) with
downlink non-orthogonal-multiple-access (NOMA) in a multi-user two-cell network assisted …

Joint location and beamforming design for STAR-RIS assisted NOMA systems

Q Gao, Y Liu, X Mu, M Jia, D Li… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)
assisted non-orthogonal multiple access (NOMA) communication systems are investigated …

Optimization for Multi-Cell NOMA Systems Assisted by Multi-RIS With Inter-RIS Reflection

L Liu, B Li, W Wu, H Wang… - IEEE Communications …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) and non-orthogonal multiple access (NOMA) are
two promising technologies in future communication systems. The integration between RIS …

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 …

Power minimization for uplink RIS-assisted CoMP-NOMA networks with GSIC

H Wang, C Liu, Z Shi, Y Fu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To accommodate the stringent requirements of massive connectivity and ultra-high
throughput, both reconfigurable intelligent surface (RIS) and non-orthogonal multiple access …

Reconfigurable intelligent surfaces assisted hybrid NOMA system

MH Kumar, S Sharma, K Deka… - IEEE Communications …, 2022 - ieeexplore.ieee.org
In a device-to-device communication scenario, the number of far users (FUs) is higher than
the near users (NUs) in each cluster. In such a scenario, the paired NUs and FUs …

GSIC for RIS-aided uplink multi-antenna NOMA systems

H Wang, C Liu, Z Shi, Y Fu… - IEEE Communications …, 2021 - ieeexplore.ieee.org
The combination of non-orthogonal multiple access (NOMA) and reconfigurable intelligent
surface (RIS) is capable of boosting spectrum and energy efficiency for future …

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 …

Uplink noma for star-ris networks

J Zuo, Y Liu, Z Ding, X Wang - arXiv preprint arXiv:2110.05686, 2021 - arxiv.org
A simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs)
enhanced uplink non-orthogonal multiple access (NOMA) communication system is …