Hybrid time-switching and power-splitting EH relaying for RIS-NOMA downlink

G Zhang, X Gu, W Duan, M Wen, J Choi… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
… served in NOMA networks, in … NOMA and RIS, we investigate the system performance in
the downlink, which is enhanced by the essential integration of power-domain NOMA and RIS

Joint beamforming and power splitting optimization for RIS-assited cooperative SWIPT NOMA systems

Q Liu, M Lu, N Li, M Li, F Li… - 2022 IEEE Wireless …, 2022 - ieeexplore.ieee.org
… shifts at the RIS. Benefiting from the potential of RIS, we in this paper exploit RIS to enhance
… the cell-center user in a cooperative SWIPT NOMA system. And we maximize the data rate …

Ris-assisted cooperative NOMA with SWIPT

J Ren, X Lei, Z Peng, X Tang… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
power splitting factors, beamforming coefficients, and RIS reflection coefficients in two
transmission stages. To tackle this challenging problem, we first use the alternating optimization …

Optimal RIS partitioning and power control for bidirectional NOMA networks

M Makin, S Arzykulov, A Celik… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
… In the OMA benchmark, all users equally share the available bandwidth; however, the
corresponding power and RIS splits are optimized following the proposed procedures. The …

Energy efficient rate splitting multiple access (RSMA) with reconfigurable intelligent surface

Z Yang, J Shi, Z Li, M Chen, W Xu… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
… surface (RIS)-assisted wireless communication system with rate splitting multiple access (…
, we compare the performance of the proposed scheme with NOMA and OFDMA [28]. Fig. 2 …

The joint power of NOMA and reconfigurable intelligent surfaces in SWIPT networks

M Diamanti, EE Tsiropoulou… - 2021 IEEE 22nd …, 2021 - ieeexplore.ieee.org
… denotes the power splitting ratio between the power used for decoding and energy … about
the gain provided by the assistance of RIS in a NOMA-enabled SWIPT network, we consider …

Simultaneously transmitting and reflecting reconfigurable intelligent surface assisted NOMA networks

X Yue, J Xie, Y Liu, Z Han, R Liu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… signal model of STARRIS, where the practical protocols of energy splitting, mode switching
… We confirm that the ergodic rate of STARRIS-NOMA is superior to that of STAR-RIS-OMA. 4) …

Simultaneous transmitting and ReflectingIntelligent surfaces-empowered NOMA networks

M Aldababsa, A Khaleel, E Basar - arXiv preprint arXiv:2110.05311, 2021 - arxiv.org
… -RIS) assisted non-orthogonal multiple access (NOMA) system. Unlike most of the STAR-RIS-assisted
NOMA … protocols are proposed, namely the energy splitting (ES), mode switching (…

Safeguarding NOMA networks via reconfigurable dual-functional surface under imperfect CSI

W Wang, W Ni, H Tian, Z Yang… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
splitting (ES), mode selection (MS), and time splitting (TS), are studied. The joint optimization
of power … Thus, we propose a DF-RIS assisted NOMA network under imperfect CSI and …

Joint design for simultaneously transmitting and reflecting (STAR) RIS assisted NOMA systems

J Zuo, Y Liu, Z Ding, L Song… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… , the decoding order of NOMA users in each … RISNOMA system, aided by our proposed
algorithm, outperforms conventional RIS-NOMA and RIS assisted orthogonal multiple access (RIS