User clustering and power allocation for massive MIMO with NOMA-inspired cognitive radio

M Shili, M Hajjaj, ML Ammari - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
… At any iteration i, we calculate the correlation between the new selected user i and the Ci
cluster center referred by Dc(i). If at least one of these correlations is greater than T, the new …

Performance analysis of cognitive-inspired wireless powered NOMA systems with joint collaboration

TH Nguyen - IEEE Access, 2023 - ieeexplore.ieee.org
… cell-edge user in dead zones of the overlay cognitive-based SWIPT NOMA systems. In …
-based SWIPT mechanism for both the selected primary user and the secondary source. In …

Cognitive NOMA with blind transmission-mode identification

H Yahya, E Alsusa, A Al-Dweik… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
… expressions of large-scale randomly deployed users with fixed power coefficients, where …
that underlay cognitive NOMA outperforms underlay cognitive OMA for carefully selected power …

NOMA-based overlay cognitive integrated satellite-terrestrial relay networks with secondary network selection

R Liu, K Guo, K An, S Zhu - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
… In this paper, we investigated the performance of a NOMA-based overlay CISTRN with
SNS, where the optimal secondary network was selected to assist the transmission of primary …

Performance analysis and deep learning design of underlay cognitive NOMA-based CDRT networks with imperfect SIC and co-channel interference

TH Vu, TV Nguyen, DB da Costa… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
… to enhance the performance of NOMA users and the overall … probability (OP) of NOMA
users and for the overall system … selection schemes to improve the performance of the far user

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

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 (…

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/…

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 …