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 …

Performance of cooperative underlay CR-NOMA networks over Nakagami-m channels

G Nauryzbayev, S Arzykulov, TA Tsiftsis… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) has been recently regarded as one of the potential
multiple access candidates for coming fifth generation (5G) communication networks. In this …

[HTML][HTML] On the performance of downlink multiuser cognitive radio inspired cooperative NOMA

M Shokair, W Saad, SM Ibraheem - Wireless Personal Communications, 2018 - Springer
This paper is considered as an application of a centralized control non orthogonal multiple
access (NOMA) based cognitive radio network. Here, a base station (BS) sends …

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 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 …

Exploiting impact of hardware impairments in NOMA: Adaptive transmission mode in FD/HD and application in internet-of-things

CB Le, DT Do, M Voznak - Sensors, 2019 - mdpi.com
In this paper, a cooperative non-orthogonal multiple access (NOMA) system is studied for
the Internet-of-Things (IoT) in which a master node intends to serve multiple client nodes …

Joint impacts of imperfect CSI and imperfect SIC in cognitive radio-assisted NOMA-V2X communications

DT Do, TA Le, TN Nguyen, X Li, KM Rabie - IEEE Access, 2020 - ieeexplore.ieee.org
In this study, the performance of a secondary network in cognitive radio (CR) is studied in
the context of vehicle-to-everything (V2X). The non-orthogonal multiple access (NOMA) is …

Cognitive NOMA with blind transmission-mode identification

H Yahya, E Alsusa, A Al-Dweik… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work presents a novel nonorthogonal multiple access (NOMA) cognitive radio (CR)
system where the base station (BS) opportunistically multiplexes the secondary user (SU) …

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 …

Computational-Intelligence-Based Spectrum-Sharing Scheme for NOMA-Based Cognitive Radio Networks

K Sultan - Applied Sciences, 2023 - mdpi.com
The integration of non-orthogonal multiple access (NOMA) technology and cognitive radio
networks (CRNs) promises to enhance the spectrum utilization efficiency of 5G and beyond …