Dynamic spectrum access in cognitive radio networks with RF energy harvesting

X Lu, P Wang, D Niyato… - IEEE Wireless …, 2014 - ieeexplore.ieee.org
Spectrum efficiency and energy efficiency are two critical issues in designing wireless
networks. Through dynamic spectrum access, cognitive radios can improve the spectrum …

RF energy harvesting and transfer in cognitive radio sensor networks: Opportunities and challenges

J Ren, J Hu, D Zhang, H Guo, Y Zhang… - IEEE Communications …, 2018 - ieeexplore.ieee.org
By enabling sensor nodes to opportunistically access licensed channels, CRSN can provide
a spectrum-efficient networking solution in the era of the Internet of Things. On the other …

Total throughput maximization of cooperative cognitive radio networks with energy harvesting

K Zheng, X Liu, Y Zhu, K Chi… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Cognitive radio and energy harvesting techniques have provided significant benefits in
terms of spectrum reuse and lifetime prolongation for conventional wireless networks. We …

Throughput of an energy harvesting cognitive radio network based on prediction of primary user

A Bhowmick, K Yadav, SD Roy… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, a novel prediction based cooperative spectrum sensing scheme is investigated
on the performance of an energy harvesting cognitive radio (CR) network. The spectrum …

Opportunistic channel access and RF energy harvesting in cognitive radio networks

DT Hoang, D Niyato, P Wang… - IEEE Journal on Selected …, 2014 - ieeexplore.ieee.org
Radio frequency (RF) energy harvesting is a promising technique to sustain operations of
wireless networks. In a cognitive radio network, a secondary user can be equipped with RF …

Achievable throughput of energy harvesting cognitive radio networks

S Park, D Hong - IEEE Transactions on Wireless …, 2014 - ieeexplore.ieee.org
We consider energy harvesting cognitive radio networks to improve both energy efficiency
and spectral efficiency. The goal of this paper is to analyze the theoretically achievable …

On green-energy-powered cognitive radio networks

X Huang, T Han, N Ansari - IEEE Communications Surveys & …, 2015 - ieeexplore.ieee.org
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 …

Throughput of a cognitive radio network with energy-harvesting based on primary user signal

A Bhowmick, SD Roy, S Kundu - IEEE Wireless …, 2016 - ieeexplore.ieee.org
In this letter, we analyze an energy-harvesting-based cognitive radio (CR) system. The CR
system harvests energy from the radio frequency (RF) signal of primary user (PU) during …

Impacts of sensing energy and data availability on throughput of energy harvesting cognitive radio networks

X Liu, B Xu, X Wang, K Zheng, K Chi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper aims to investigate the impacts of sensing energy and data availability on the
secondary throughput of energy harvesting cognitive radio networks (EH-CRNs), where …

Energy-efficient non-cooperative cognitive radio networks: micro, meso, and macro views

C Jiang, H Zhang, Y Ren… - IEEE Communications …, 2014 - ieeexplore.ieee.org
Cognitive radio technology can significantly improve spectrum utilization efficiency via
enabling secondary users to access licensed spectrum dynamically without harmful …