Software-defined Radio (SDR) is a programmable transceiver with the capability of
operating various wireless communication protocols without the need to change or update …

A green-energy-powered cognitive radio (CR) network is capable of liberating the wireless
access networks from spectral and energy constraints. The limitation of the spectrum is …

The unmanned aerial vehicle (UAV) assisted transmission can significantly improve the
spectrum efficiency and coverage of the wireless communication network. The paper …

Ambient backscatter (AB) communications and radio frequency (RF)-powered cognitive
radio networks (CRNs) address the concerns of energy and spectrum scarcities from …

This paper introduces a new solution to improve the performance for secondary systems in
radio frequency (RF) powered cognitive radio networks (CRNs). In a conventional RF …

This article focuses on the issue of cooperative spectrum sensing (CSS) in a mobile energy-
harvesting cognitive radio network (EH-CRN), where secondary transmitters (STs) are …

Age of information (AoI) is a performance metric that measures the timeliness and freshness
of information, and is particularly relevant in applications with time-sensitive data. This paper …

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

Wireless energy harvesting is regarded as a promising energy supply alternative for energy-
constrained wireless networks. In this paper, a new wireless energy harvesting protocol is …

This paper investigates the time scheduling for a backscatter-aided radio-frequency-
powered cognitive radio network, where multiple secondary transmitters transmit data to the …