… NOMAbased cognitive ISTRNs with HIs and CEEs along with multiple eavesdroppers under
a partial terrestrial relay selection … establishes a practical NOMA-based cognitive ISTRN with …

… is proposed to classify the nodes and select the cluster heads, which seeks to improve the
transmission performance while decreasing the interference caused by NOMA. In addition, the …

… NOMA network and one NOMA-based cognitive wireless network in Fig. 1, where a set of
primary users, N = {1, 2, ··· ,N}, and a set of secondary users, … should be properly selected. 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 …

… (NOMA) grouping transmission scheme for cognitive radio networks. To address the problems
of small channel gain difference of the middle part users … can adaptively select the best …

… the increase in the number of selected relays. In this paper, the problem of joint relay selection
and power allocation (J-RS-PA) for NOMA multicast cognitive radio networks is studied. …

… surface (RIS)-aided cognitive non-orthogonal multiple access (NOMA) systems, where
an RIS is deployed to serve two users under multi-primary users’ constraints. Our analysis …

… improve the throughput through using NOMA. In this paper, a NOMAbased CR is proposed
to … As the throughput may improve by selecting better subchannel for transmissions, we array …

… with better performance were selected to help the strong users. In [11], the FD … NOMA users
transmission, which indicated that the FD NOMA was superior to the half duplex (HF) NOMA …

… cognitive scenarios and can not be easily applied to the underly CRNs. In [21], the authors
introduced CR to NOMA network and propose two secondary user selection … the primary user. …