In this paper, we study the sum-rate maximization problem for relay cognitive network based
on decoding and forwarding (DF), where the primary network is implemented with the …

In this paper, we investigate the resource allocation algorithm design for cooperative
cognitive relaying multicarrier non-orthogonal multiple access (MC-NOMA) systems. In …

In this paper, we present the optimal power allocation and relay precoder design for a
cognitive relay network employing non-orthogonal multiple access (NOMA) technique. The …

To further improve spectral efficiency, this paper considers a non-orthogonal multiple access
(NOMA)-assisted overlay cognitive radio network consisting of a pair of primary users and a …

In this paper, we study a cooperative non-orthogonal multiple access (NOMA) system
underlying cognitive networks which adapt user relaying and selection combining. The …

Non-orthogonal multiple access (NOMA)-based cognitive radio (CR) networks have recently
emerged as a promising solution to enhance the spectral efficiency and massive …

In this study, the problem of joint relay selection and power allocation (J‐RS‐PA) for NOMA‐
based multicast cognitive radio networks is considered. In particular, the aim is to …

Due to the shortage of spectrum resources, a nonorthogonal multiple access‐(NOMA‐)
based overlay cognitive integrated satellite‐terrestrial relay network is established in this …

In this paper, the problem of joint relay selection and power allocation (J-RS-PA) for NOMA-
based multicast cognitive radio networks is considered. In particular, the aim is to …

Non-orthogonal multiple access (NOMA) technique, which is known to raise the
performance of frequency spectrum constrained wireless communication networks, has …