In this paper, a power optimization scheme based on user's reputation in non-orthogonal
multiple access (NOMA) Cognitive Radio Networks (CRN) is proposed. By combining NOMA …

This paper analyses the outage performance of a multihop relay-based cognitive radio
network under imperfect channel state information. A backoff power control scheme is …

In this paper, the secondary users (SUs) in a cognitive radio utilizing the power allocation of
Nonorthogonal multiple access is analyzed. In the proposed model, the interference of SUs …

As a revolutionary technology, reconfigurable intelligent surface (RIS) is favored by
numerous industrialists and engineers, which can intelligently adjust the wireless …

In future wireless networks, the synergy of non-orthogonal multiple access (NOMA) and
cognitive radio (CR) can provide higher spectral efficiency and increased data rate. In this …

In cognitive radio (CR) systems with multi-carrier modulation, sub-carrier allocation is the
premise for the realization of spectrum sharing for Primary Users (PUs) and Secondary …

This letter analyzes the effect of channel estimation errors on the performance of cognitive
multiple input and single output (MISO) systems with arbitrary transmit antenna selection. In …

The cognitive radio network (CRN) and non-orthogonal multiple access (NOMA) are an
important scheme in the 5G radio transmission system. Nevertheless, it is a special path for …

Traditional cognitive radio employs Opportunistic Spectrum Access (OSA), the quality of
cognitive transmission could not be guaranteed. By exploiting the spatial signal processing …

As known that the effective capacity theory offers a methodology for exploring the
performance limits in delay constrained wireless networks, this article considered a …