The deployment of Secondary Networks (SNs) gives an energy and cost-saving outcome for
service providers. The existing research on SNs is gleaned from capacity enhancement …

Abstract Presently, Secondary Networks (SNs) are gleaned from rising capacity with
reducing interference together instead of making them energy-efficient for green …

Cognitive radio non-orthogonal multiple access (CR-NOMA) networks promise improved
spectrum utilization and capacity in 5G networks. In this work, we aim to investigate efficient …

Cognitive radio non-orthogonal multiple access (CRNOMA) networks promise improved
spectrum utilization and capacity in 5G networks. In this work, we aim to investigate efficient …

In this paper, a downlink security-aware resource allocation problem with delay constraint
via spectrum sensing is modeled as a mixed integer non-linear problem for non-orthogonal …

The integration of non-orthogonal multiple access (NOMA) technology and cognitive radio
networks (CRNs) promises to enhance the spectrum utilization efficiency of 5G and beyond …

Spectrum resources are the precious and limited natural resources. In order to improve the
utilization of spectrum resources and maximize the network throughput, this paper studies …

Non-orthogonal multiple access (NOMA) is one of the promising techniques for spectrum
efficiency in wireless networks. In this paper, we consider an uplink NOMA cognitive system …

Energy Efficiency (EE) is a significant problem for Cognitive Radio (CR) network. Recently,
more interest has focused on EE optimization problem in wireless-powered communication …

In this paper, we propose a novel robust resource allocation algorithm for downlink non-
orthogonal multiple access (NOMA) cognitive radio networks with the underlay spectrum …