Performance analysis of NOMA-based AF cooperative overlay system with imperfect CSI and SIC

S Singh, M Bansal - IEEE Access, 2021 - ieeexplore.ieee.org
This paper studies a new amplify-and-forward cooperative overlay cognitive radio (CR) non-
orthogonal multiple access (AFCO-NOMA) system, where a primary network shares its …

[PDF][PDF] Cooperative overlay cognitive radio NOMA network with channel errors and imperfect SIC

NS Kim - International Journal of Intelligent Engineering and …, 2019 - inass.org
we propose an overlay cooperative cognitive radio (CR) non-orthogonal multiple access
(NOMA) network which has channel estimation errors and imperfect successive interference …

Outage performance of cooperative underlay CR-NOMA with imperfect CSI

S Arzykulov, TA Tsiftsis, G Nauryzbayev… - IEEE …, 2018 - ieeexplore.ieee.org
In this letter, a decode-and-forward cooperative underlay cognitive radio (CR) non-
orthogonal multiple access (NOMA) network is studied. Exact closed-form expressions for …

Performance analysis of the cooperative uplink-downlink NOMA and OMA scheme in cognitive radio network with max-min relay selection strategy

Z Doorbash, A Jamshidi - AEU-International Journal of Electronics and …, 2021 - Elsevier
In this paper, we study the application of the non orthogonal multiple access (NOMA) and
orthogonal multiple access (OMA) scheme to cooperative cognitive radio network. We …

Performance analysis of overlay cognitive NOMA systems with imperfect successive interference cancellation

L Luo, Q Li, J Cheng - IEEE Transactions on Communications, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are envisioned as
promising solutions to achieve high spectral efficiency for future wireless networks. This …

Performance analysis of NOMA-based underlay cognitive radio networks with partial<? brk?> relay selection

V Aswathi, AV Babu - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
This paper investigates outage and throughput performance of non-orthogonal multiple
access (NOMA) based underlay cognitive radio (ie, CR-NOMA) network under partial relay …

Performance analysis of cooperative cognitive radio networks based on hybrid NOMA/OMA and best relay selection

S Li, W Liang, Q Xu, N Yang, K Jia - IET Communications, 2022 - Wiley Online Library
In non‐orthogonal multiple access (NOMA) systems, it may not be advisable to send the
superimposed signal of all users to individual users with retransmission requirements during …

Performance analysis and deep learning assessment of full-duplex overlay cognitive radio NOMA networks under non-ideal system imperfections

CK Singh, PK Upadhyay… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we investigate the effectiveness of an overlay cognitive radio (OCR) coupled
with non-orthogonal multiple access (NOMA) system using a full-duplex (FD) cooperative …

Underlay cognitive NOMA-based coordinated direct and relay transmission

TT Nguyen, TH Vu, TV Nguyen… - IEEE Wireless …, 2020 - ieeexplore.ieee.org
In this letter, a cooperative underlay cognitive non-orthogonal multiple access (NOMA)-
based coordinated direct and relay transmission is investigated. Specifically, exact closed …

Underlay cognitive radio networks with cooperative non‐orthogonal multiple access

S Lee, TQ Duong, DB da Costa, DB Ha… - Iet …, 2018 - Wiley Online Library
In this study, a cooperative non‐orthogonal multiple access (NOMA) scheme is investigated
in an underlay cognitive radio network. With this aim, a number of secondary users are …