… studied in cognitive radio networks [15]–[19]. In [16], [17], the secondary users dynamically
decided to … The authors in [18] proposed an optimal channel selection method to improve the …

… be optimal at the moment, we selected various policies that do not … selecting the action with
the largest value inside the current Q-Table is 1 − ε, and the probability of randomly selecting …

… Despite the promise of FD and NOMA for cognitive radio, to the best of our knowledge, …
NOMA system at the CR network, where a cognitive BS communicates with a near and far NOMA …

… is selected randomly from the vacant subchannel set, and the secondary user is selected …
number of secondary users on the secrecy throughput for NOMA-based cognitive radio network …

… constraints to enable the primary communication via a NOMA-based secondary relay
selected from a potential set of secondary users. The optimization problem is solved using the …

… for the block error rate (BLER) of the NOMA users, goodput, energy efficiency, latency, and
… Moreover, we propose an effective algorithm to minimize the BLERs of the NOMA users by …

… Guo, “Vickrey auctionbased secondary relay selection in cognitive hybrid satellite-terrestrial
overlay networks with non-orthogonal multiple access,” IEEE Wireless Commun. Lett., vol. 9, …

… relay selection and power allocation (J-RS-PA) for NOMA-based multicast cognitive radio …
problem over each relay, and then select the relay that maximizes the network objective …

… We also propose an uplink NOMA method to increase the data rate for the primary … NOMA
to enhance the system throughput. Unlike [34, 35], this paper concerns with path selection …

… considers a general NOMA system where multiple NOMA users share the spectrum licensed
to the primary users and focuses on the fairness transmission of the secondary users. The …