In this paper, we propose a spectrum-sharing protocol for a cooperative cognitive radio
network based on non-orthogonal multiple access technology, where the base station (BS) …

In this paper, we investigate a relay-assisted cooperative spectrum sharing for the
considered non-orthogonal multiple access (NOMA) scheme in cognitive radio networks …

In this paper, we analyze the performance of an energy harvesting (EH)-assisted overlay
cognitive non-orthogonal multiple access (NOMA) system. The underlying system consists of …

This paper studies the problem of joint relay selection and power allocation (J-RS-PA) for
non-orthogonal multiple-access (NOMA)-based multicast cognitive radio networks with …

Improving spectral efficiency under a certain energy limitation is an important design metric
for future wireless communications as a response to the growing transmission demand of …

Cooperative non-orthogonal multiple access (C-NOMA) is one of the promising techniques
that support the massive connectivity of users and improve the fair allocation of network …

Combining energy harvesting with cognitive radio and nonorthogonal multiple access
(NOMA) techniques will be a notable candidate for improving both energy and spectral …

This paper considers the application of non-orthogonal multiple access (NOMA) into
cooperative cognitive radio (CR) networks with simultaneous wireless information and …

In this paper, we analyze the performance of a non-orthogonal multiple access (NOMA)
cognitive relay system, where a multi-antenna full-duplex cognitive transmitter employs …

Cognitive radio and non-orthogonal multiple access are promising for alleviating the severe
spectral scarcity problem encountered by the next generation wireless communication …