Performance analysis of NOMA systems in relay-assisted cognitive radio networks

FK Bardak, M Namdar… - 2020 28th signal …, 2020 - ieeexplore.ieee.org
In this study, the performance of non-orthogonal multiple access systems (NOMA) in relay
assisted cognitive radio (CR) networks is investigated. Mathematical inferences in the …

Underlay spectrum sharing for NOMA relaying networks: Outage analysis

S Arzykulov, G Nauryzbayev, TA Tsiftsis… - 2020 International …, 2020 - ieeexplore.ieee.org
In this paper, we investigate a cognitive non-orthogonal multiple access (NOMA) network
scenario by adopting an amplify-and-forward (AF) relaying method. The end-to-end outage …

Non-orthogonal multiple access in cognitive relay networks

ZH Shaik, P Ubaidulla - 2018 IEEE 87th Vehicular Technology …, 2018 - ieeexplore.ieee.org
In this paper, we present the optimal power allocation and relay precoder design for a
cognitive relay network employing non-orthogonal multiple access (NOMA) technique. The …

Secondary Network Throughput Optimization of NOMA Cognitive Radio Networks Under Power and Secure Constraints

VH Dang, H Tran, DB Ha, C Le, TD Ho, C So-In - IEEE Access, 2023 - ieeexplore.ieee.org
Recently, the combination of cognitive radio networks with the nonorthogonal multiple
access (NOMA) approach has emerged as a viable option for not only improving spectrum …

Outage performance of partial relay selection in underlay CR-NOMA networks

C Li, D Guo, K Guo, Y Qin, R Xu - 2019 28th Wireless and …, 2019 - ieeexplore.ieee.org
This paper investigates the impact of partial relay selection scheme (PRSS) on cooperative
underlay cognitive radio (CR) non-orthogonal multiple access (NOMA) networks. Decode …

Bit error rate and outage probability analysis for multi-hop decode-and-forward relay-aided NOMA with imperfect SIC and imperfect CSI

F Khennoufa, K Abdellatif, F Kara - AEU-International Journal of Electronics …, 2022 - Elsevier
This paper investigates a multi-hop decode-and-forward (DF) relay-aided non-orthogonal
multiple access (MH-DF-R-NOMA) scheme. The model overcomes the problems associated …

Wireless powered cognitive NOMA-based IoT relay networks: Performance analysis and deep learning evaluation

TH Vu, TV Nguyen, S Kim - IEEE Internet of Things Journal, 2021 - ieeexplore.ieee.org
In this article, we study novel wireless powered cognitive nonorthogonal multiple access
(NOMA)-based Internet-of-Things (IoT) relay networks to improve the performance of a cell …

When NOMA meets multiuser cognitive radio: Opportunistic cooperation and user scheduling

L Lv, L Yang, H Jiang, TH Luan… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This correspondence paper investigates a novel non-orthogonal multiple access (NOMA)
assisted overlay spectrum sharing framework for multiuser cognitive radio networks toward …

Performance analysis of energy harvesting-assisted overlay cognitive NOMA systems with incremental relaying

AK Shukla, V Singh, PK Upadhyay… - IEEE Open Journal …, 2021 - ieeexplore.ieee.org
In this paper, we analyze the performance of an energy harvesting (EH)-assisted overlay
cognitive non-orthogonal multiple access (NOMA) system. The underlying system consists of …

Rate optimization in NOMA cognitive radio networks

N Zabetian, M Baghani… - 2016 8th international …, 2016 - ieeexplore.ieee.org
In this paper, the power allocation of Non-orthogonal multiple access (NOMA) for secondary
users in underlay cognitive radio is studied. In underlay cognitive radio networks, the …