On the performance of downlink multiuser cognitive radio inspired cooperative NOMA

M Shokair, W Saad, SM Ibraheem - Wireless Personal Communications, 2018 - Springer
… Two optimal relay selection strategies based on cooperative NOMA scheme were
proposed in [16]. A comparative study between the achievable capacities in cooperative …

Distributed NOMA-based multi-armed bandit approach for channel access in cognitive radio networks

Z Tian, J Wang, J Wang, J Song - IEEE Wireless …, 2019 - ieeexplore.ieee.org
… Assuming that the SUs selecting the same channel in the uplink NOMA have the same
transmission rate R = log2(1 + Γ), where Γ is the target signal-to-interferenceplus-noise ratio (…

Relay selection and power allocation for secrecy sum rate maximization in underlying cognitive radio with cooperative relaying NOMA

CE Garcia, MR Camana, I Koo - Neurocomputing, 2021 - Elsevier
… minimum data rate at each secondary user and maximum transmission power at … users
receivers is below an acceptable level. Afterward, we describe the cooperative relaying cognitive

Secure transmission in mmWave NOMA networks with cognitive power allocation

Y Song, W Yang, Z Xiang, B Wang, Y Cai - IEEE Access, 2019 - ieeexplore.ieee.org
… the secure NOMA transmission scheme of cognitive power … user m, and then uses the
remaining power to serve the user n. … sorting in mmWave NOMA, we select users from the internal …

Robust beamforming design in a NOMA cognitive radio network relying on SWIPT

H Sun, F Zhou, RQ Hu, L Hanzo - IEEE Journal on Selected …, 2018 - ieeexplore.ieee.org
… We consider a downlink CR system with one cognitive base station (CBS), one primary
base station (PBS), N PUs and K SUs. The CBS is equipped with M antennas, while each user

Feature-based spectrum sensing of NOMA system for cognitive IoT networks

J Wu, T Xu, T Zhou, X Chen, N Zhang… - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
… different NOMA users, we employ feature detection to obtain the feature values of each user.
… We will consider the method of selecting a different number of users from multiple users to …

Performance analysis of cooperative cognitive radio networks based on hybrid NOMA/OMA and best relay selection

S Li, W Liang, Q Xu, N Yang, K Jia - IET Communications, 2022 - Wiley Online Library
… superimposed signal of all users to individual users with retransmission requirements
during … cognitive radio network based on hybrid NOMA/orthogonal multiple access (CR-H-NOMA/…

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
… of non-orthogonal multiple access (NOMA) based underlay cognitive radio (ie, CR-NOMA)
network under partial relay selection (PRS) scheme. Here NOMA is used in the secondary …

Integration of cognitive radio technology in NOMA-based B5G networks: State of the art, challenges, and enabling technologies

HB Salameh, S Abdel-Razeq, H Al-Obiedollah - IEEE Access, 2023 - ieeexplore.ieee.org
… Nonetheless, selecting the right NOMA SUs to communicate with … Zhang, ‘‘Performance
analysis of overlay cognitive NOMA … spectrum sharing for cognitive adhoc networks usingGenetic …

An analysis on secure millimeter wave NOMA communications in cognitive radio networks

Y Song, W Yang, Z Xiang, N Sha, H Wang… - IEEE Access, 2020 - ieeexplore.ieee.org
… scheme, in the rest of this paper we focus on a single selected pair of users. We assume
that the internal sector SU-Rn can be capable of cancelling the interference of the external …