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 …

The performance of an underlay coordinated direct and relay transmission (CDRT) based
non-orthogonal multiple access (NOMA) network is limited by the random nature of the …

This paper studies a new amplify-and-forward cooperative overlay cognitive radio (CR) non-
orthogonal multiple access (AFCO-NOMA) system, where a primary network shares its …

In this paper, we investigate a multiple users cooperative overlay cognitive radio non-
orthogonal multiple access (CR-NOMA) network in the presence of imperfect successive …

Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are envisioned as
promising solutions to achieve high spectral efficiency for future wireless networks. This …

In this letter, a cooperative non-orthogonal multiple access system with imperfect successive
interference cancellation is investigated in an underlay cognitive radio network. Considering …

This correspondence paper considers a dual-hop underlay cognitive radio nonorthogonal
multiple access (NOMA) network. The end-to-end outage probability (OP) is evaluated as …

The explosive growth of mobile devices and the rapid increase of wideband wireless
services call for advanced communication techniques that can achieve high spectral …

In this paper, we investigate the performance of a secondary network in a cognitive radio
network employing a non-orthogonal multiple access (NOMA) scheme to form a CR-NOMA …

Non-orthogonal multiple access (NOMA) is considered to be one of the promising multiple
access (MA) techniques for 5G networks that can provide low latency, high system …