… cognitive IoT in the NOMA system. Based on the considerable demand for spectrum resources
in IoT … spectrum sensing method of feature detection in NOMA scenarios with multi-users, …

… hotspots, the HetNet with the two systems is considered. To solve the spectrum-sharing …
we analyze it on the perspective of the cognitive radio network (CRN) [22]. Previously, CRNOMA …

… security in wireless networks. This article analyses the PLS performance of cooperative
NOMA cognitive wireless networks. Furthermore, a cognitive collaboration method is proposed, …

… We have considered a NOMA based cooperative underlay IoT system containing two
secondary IoT receivers 1 : user-i that is closer to the ST hence is also called the strong IoT user, …

… the system model for industrial cognitive IoT over cognitive heterogeneous NOMA networks
… interference power model for cognitive heterogeneous NOMA networks. Finally, the power …

… a novel cognitive NOMA-based IoT-relay (C-NOMA-IoT) network to enhance the SE and
improve the performance of the cell-edge user, where a source and a master IoT node harvest …

… cognitive OFDM network could not completely meet the requirements. Thus, in this paper,
NOMA and SWIPT are applied to cognitive OFDM systems to … for green IoT. Furthermore, two …

… (NOMA)-based hybrid spectrum access scheme is proposed for 6G-enabled cognitive IoT
(CIoT), where the CIoT may access both the idle and busy spectrum via NOMA regardless of …

… to solve the problems of uRLLC and mMTC in the 5G-enabled IoT. This article studies
NOMA-based cognitive spectrum access for IoT in 5G-enabled smart city, by which massive IoT …

… In this paper, we consider NB-IoT using non-orthogonal multiple access (NOMA). We find
that power allocation factors for devices in clustering users as main enabler to exhibit …