Reconfigurable intelligent surface-aided multi-user networks: Interplay between NOMA and RIS

Y Liu, X Mu, X Liu, M Di Renzo, Z Ding… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
… (RISs) in multiuser networks employing orthogonal multiple access (OMA) or non-orthogonal
multiple access (NOMA), with an emphasis on investigating the interplay between NOMA

NOMA-based improper signaling for multicell MISO RIS-assisted broadcast channels

M Soleymani, I Santamaria… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
multiple-antenna BSs serve several single-antenna users. Furthermore, we consider multiple
RISs in the system … The reason is that, as we showed in [52], the position of RISs plays a …

On performance of multi-RIS assisted multi-user nonorthogonal multiple access system over Nakagami-m fading channels

BC Nguyen, TM Hoang, N Van Vinh, GT Luu - Computer Communications, 2023 - Elsevier
… we use multiple RISs to support a NOMA system with multiple … a RIS-NOMA system with
multiple RISs and multiple users. … was used, multiple RISs in the RIS-NOMA system can arrange …

Reconfigurable intelligent surface aided NOMA networks

T Hou, Y Liu, Z Song, X Sun, Y Chen… - IEEE Journal on …, 2020 - ieeexplore.ieee.org
… In this article, in order to simultaneously control multiple RISs, the global CSI is assumed
to be perfectly available at the RIS controller. Since user W is the prioritized user, we aim for …

Combining multi-RIS and relay for performance improvement of multi-user NOMA systems

PT Tran, BC Nguyen, TM Hoang, N Van Vinh - Computer Networks, 2022 - Elsevier
multiple RISs and multiple relays for many applications. In particular, the RIS-R-NOMA system
… We investigate a RIS-R-NOMA system, where multiple RISs and a relay are combined to …

Performance enhancement of nonorthogonal multiple access systems by multiple UAVs and RISs

N Van Vinh - Digital Signal Processing, 2023 - Elsevier
NOMA systems without UAVs-RISs. In other words, by utilizing UAVs-… multiple UAVs
mounted with multiple RISs to aid multiuser in NOMA systems (referred to as the UAVs-RISs-NOMA

Joint beamforming design in multi-cluster MISO NOMA reconfigurable intelligent surface-aided downlink communication networks

Y Li, M Jiang, Q Zhang, J Qin - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
multiple-input-single-output (MISO) communication systems … at the RISs, in RIS-aided
downlink multi-user MISO system. In … was considered where a multi-antenna BS communicates …

Performance Analysis of Multiple‐RIS‐Based NOMA Systems

HQ Tran, QT Vien - Wireless Communications and Mobile …, 2023 - Wiley Online Library
… In Figure 2, we compare the OP of the RIS-NOMA system with a scenario where M RISs are
equipped with N reflecting components and imperfect SIC for D 1 . Here, M = 3, 5, N R = N T …

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
… , while RISs, with inter-RIS reflection, were only deployed near the BSs in [10]… , we consider
a multi-reflection RIS assisted cooperative multi-cell NOMA uplink system where RISs are …

Performance analysis for multi-RIS UAV NOMA mmWave communication systems

BC Nguyen, NT Xuan, HT Manh, HLT Thanh, PT Hiep - Wireless Networks, 2023 - Springer
… was used, we investigate the case that multiple RISs are distributed in different locations. …
multi-RIS aided UAV-NOMA-mmWave system (refer as the RIS-UAV-NOMA-mmWave system