Ergodic capacity computation in cognitive radio aided non-orthogonal multiple access systems

DT Do, CB Le - Bulletin of Electrical Engineering and Informatics, 2022 - beei.org
In this article, the performance of cognitive radio system benefits from non-orthogonal
multiple access (NOMA) scheme. We then examine system metrics to adjust its quality of …

Cooperative underlay cognitive radio assisted NOMA: secondary network improvement and outage performance

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 …

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 …

Throughput and Outage Probability Analysis for Cognitive Radio-Non-Orthogonal Multiple Access in Uplink and Downlink Scenarios.

M HT, PI Basarkod - Mathematical Modelling of Engineering …, 2020 - search.ebscohost.com
Non orthogonal multiple access (NOMA) in cognitive radio (CR) network has been
recognized as potential solution to support the simultaneous transmission of both primary …

[HTML][HTML] On performance analysis of underlay cognitive radio-aware hybrid OMA/NOMA networks with imperfect CSI

DT Do, AT Le, BM Lee - Electronics, 2019 - mdpi.com
This study considers the outage and throughput performance of downlink in the secondary
network of cognitive radio assisted non-orthogonal multiple access (NOMA) systems. Both …

Spectrum sharing in cognitive-radio-inspired NOMA systems under imperfect SIC and cochannel interference

BM ElHalawany, AAA El-Banna, QV Pham… - IEEE Systems …, 2021 - ieeexplore.ieee.org
In this article, we investigate the performance of spectrum sharing inunderlay cognitive radio
(CR)-inspired nonorthogonal multiple access (NOMA) systems, at which a primary …

Resource allocation in cognitive radio inspired non-orthogonal multiple access

F Mokhtari, M Mirmohseni, F Ashtiani… - 2019 Iran Workshop …, 2019 - ieeexplore.ieee.org
In this paper, we investigate the resource allocation in an underlay cognitive radio network
when multiple primary and secondary users are served via multi-carrier non-orthogonal …

Cognitive radio based NOMA for the next generations of wireless communications

A Abd Saeed, MA Ahmed - 2022 International Conference on …, 2022 - ieeexplore.ieee.org
In this paper, cognitive radio (CR) based on non-orthogonal multiple access (NOMA) is
considered over frequency non-selective Rayleigh fading channels. The two techniques are …

Frameworks of non-orthogonal multiple access techniques in cognitive radio communication systems

P Thakur, A Kumar, S Pandit, G Singh… - China …, 2019 - ieeexplore.ieee.org
Recently, the increasing demand of radio spectrum for the next generation communication
systems due to the explosive growth of applications appetite for band-widths has led to the …

[PDF][PDF] Outage Capacity Analysis for Cognitive Non-Orthogonal Multiple Access Downlink Transmissions Systems in the Presence of Channel Estimation Error.

Y Zhang, Y Dong, L Wang, J Liu… - … , Materials & Continua, 2019 - cdn.techscience.cn
In this paper, we propose a downlink cognitive non-orthogonal multiple access (NOMA)
network, where the secondary users (SUs) operate in underlay mode. In the network …