Channel-aware power allocation and decoding order in overlay cognitive NOMA networks

G Li, D Mishra, H Jiang - IEEE Transactions on Vehicular …, 2020 - ieeexplore.ieee.org
To further improve spectral efficiency, this paper considers a non-orthogonal multiple access
(NOMA)-assisted overlay cognitive radio network consisting of a pair of primary users and a …

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 overlay cognitive NOMA network with imperfect SIC and imperfect CSI

H Huang, Y Shi, L Liang, J He, X Zhang - Physical Communication, 2022 - Elsevier
In this paper, we investigate a multiple users cooperative overlay cognitive radio non-
orthogonal multiple access (CR-NOMA) network in the presence of imperfect successive …

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 …

Ensuring equal outage performance for down‐link secondary users in full/half duplex cognitive NOMA systems

V Aswathi, AV Babu - IET Communications, 2020 - Wiley Online Library
This study considers an underlay cognitive radio (CR) system, where the secondary network
employs cooperative non‐orthogonal multiple access (NOMA) to transfer information for …

Error performance of NOMA-based cognitive radio networks with partial relay selection and interference power constraints

L Bariah, S Muhaidat, A Al-Dweik - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA)-based cognitive radio (CR) networks have recently
emerged as a promising solution to enhance the spectral efficiency and massive …

Performance of adaptive multi-user underlay NOMA transmission with simple user selection

A Jee, K Janghel, S Prakriya - IEEE Transactions on Cognitive …, 2022 - ieeexplore.ieee.org
In this paper, we demonstrate that despite the power constraints on all transmit nodes
caused by the interference temperature limit (ITL) imposed by the primary user, power …

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 …

[HTML][HTML] On exact outage and throughput performance of cognitive radio based non-orthogonal multiple access networks with and without D2D link

DT Do, AT Le, CB Le, BM Lee - Sensors, 2019 - mdpi.com
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 …

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 …