Radio-frequency-energy-powered cognitive radio network (RF-CRN) is being taken
seriously in Connected Vehicles, especially in 5G network, which can better address the …

This paper studies a green paradigm for the underlay coexistence of primary users (PUs)
and secondary users (SUs) in energy harvesting cognitive radio networks (EH-CRNs) …

The UAV-assisted energy harvesting cognitive wireless network has the feature of fast
layout, remarkable spectrum efficiency (SE) and energy efficiency (EE), thereby being …

The unmanned aerial vehicle (UAV)-assisted energy harvesting (EH)-based cognitive
wireless networks can solve the problems of spectrum scarcity, energy shortage, and …

Cognitive radio (CR) is a state-of-the-art technology to solve the spectrum shortage problem
for emerging wireless services, which include the CR-enabled vehicular ad hoc networks …

In this paper, we study resource allocation for a multicarrier-based cognitive radio (CR)
network. More specifically, we investigate the problem of secondary users' energy-efficiency …

Green communications have been widely studied in the researches of cognitive radio
networks (CRNs), which involve low power consumption, new and renewable energy, and …

Cognitive radio (CR) and energy harvesting (EH) have been deemed two promising
technologies in the spectrum-scarce and energy-limited wireless networks. In this paper, the …

This article studies a green-energy-powered cognitive radio network (GCRN) in an underlay
paradigm, wherein multiple battery-free secondary users (SUs) capture both the spectrum …

Spectrum efficiency and energy efficiency are two critical issues in designing wireless
networks. Through dynamic spectrum access, cognitive radios can improve the spectrum …