In our present-day world, the global technological and industrial revolution is accelerating.
The widespread application of new generation ICT (information and communication …

The dense deployment of small cell networks is a key feature of next-generation mobile
networks aimed at providing the necessary capacity increase. It is noteworthy that small cell …

Intelligent reflecting surfaces aided communication have been emerging as strong
candidates to support the 6G wireless physical platforms. IRS has shown promising qualities …

Error rate analyses of cooperative non-orthogonal multiple access (CNOMA) systems are of
paramount importance to investigate the communication reliability for each user and …

The inter-cell interference (ICI) and the intra-user interference in non-orthogonal multiple
access (NOMA) cellular networks have serious impacts on the performance of cell edge …

In view of noteworthy communications performance improvements for future B5G/6G
ubiquitous networks (such as cognitive Internet of Things (IoT) network, UAV …

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 …

Full duplex (FD) systems are able to transmit and receive signals over the same frequency
band simultaneously with the potential of even doubling the spectral efficiency in …

Relays have been deployed to provide connectivity to heavily blocked and isolated radio
environments, but suffer from severe data rate losses due to the half-duplex nature of relays …

For the cooperative nonorthogonal multiple access (C-NOMA)-aided integrated satellite-
terrestrial network (ISTN), an outage is inevitable if the channel from the satellite to the weak …