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 …
A Jee, K Agrawal, D Johari… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The performance of an underlay coordinated direct and relay transmission (CDRT) based non-orthogonal multiple access (NOMA) network is limited by the random nature of the …
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 …
DT Do, CB Le, AT Le - … Computing Electronics and Control), 2019 - telkomnika.uad.ac.id
In this paper, a downlink scenario of a non-orthogonal multiple access (NOMA) scheme with power constraint via spectrum sensing is considered. Such network provides improved …
In this paper, we investigate the performance of a secondary network in a cognitive radio network employing a non-orthogonal multiple access (NOMA) scheme to form a CR-NOMA …
A Kumar, K Kumar - Physical Communication, 2020 - Elsevier
This paper investigates the opportunistic sharing of relay for the proposed Non-Orthogonal Multiple Access (NOMA) assisted Cognitive Radio Networks (CRNs). The proposed scheme …
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 …
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 …
Y Chen, L Wang, B Jiao - 2017 IEEE International Conference …, 2017 - ieeexplore.ieee.org
This paper studies the application of non-orthogonal multiple access (NOMA) to a cooperative multicast system (termed CM-NOMA). In particular, the multicast subscribers are …