A weighted cooperative spectrum sensing framework for infrastructure-based cognitive radio networks

Y Zhao, M Song, C Xin - Computer communications, 2011 - Elsevier
Spectrum sensing plays a critical role in cognitive radio networks. A good sensing scheme
can reduce the false alarm probability and the miss detection probability, and thus improves …

A log-likelihood based cooperative spectrum sensing scheme for cognitive radio networks

SA Alvi, MS Younis, M Imran, F Amin - Procedia Computer Science, 2014 - Elsevier
In cognitive radio networks, cooperative spectrum sensing is used to exploit spatial diversity
of secondary users, in order to reliably detect an unoccupied licensed spectrum. Since each …

Optimal spectrum sensing framework for cognitive radio networks

WY Lee, IF Akyildiz - IEEE Transactions on wireless …, 2008 - ieeexplore.ieee.org
Spectrum sensing is the key enabling technology for cognitive radio networks. The main
objective of spectrum sensing is to provide more spectrum access opportunities to cognitive …

Optimal hybrid spectrum sensing under control channel usage constraint

N Biswas, G Das, P Ray - IEEE Transactions on Signal …, 2018 - ieeexplore.ieee.org
Cooperative spectrum sensing significantly improves the detection reliability of a cognitive
radio network. In cooperative spectrum sensing, cognitive radio nodes send their hard …

Optimal linear cooperation for spectrum sensing in cognitive radio networks

Z Quan, S Cui, AH Sayed - IEEE Journal of selected topics in …, 2008 - ieeexplore.ieee.org
Cognitive radio technology has been proposed to improve spectrum efficiency by having the
cognitive radios act as secondary users to opportunistically access under-utilized frequency …

Hard decision combining-based cooperative spectrum sensing in cognitive radio systems

SH Lee, DC Oh, YH Lee - … of the 2009 International Conference on …, 2009 - dl.acm.org
In this paper, we propose a cooperative spectrum sensing scheme to maximize the detection
probability in cognitive radio systems. We first analytically derive a closed-form expression …

Cooperative sensing with joint energy and correlation detection in cognitive radio networks

M Tavana, A Rahmati… - IEEE …, 2016 - ieeexplore.ieee.org
Cognitive radio networks (CRNs) are a promising solution to address the spectrum shortage
issue. Spectrum sensing plays a key role to make such a scenario practical. In this letter, we …

[HTML][HTML] Improved local spectrum sensing for cognitive radio networks

W Ejaz, N ul Hasan, MA Azam, HS Kim - EURASIP Journal on Advances in …, 2012 - Springer
The successful deployment of dynamic spectrum access requires cognitive radio (CR) to
more accurately find the unoccupied portion of the spectrum. An accurate spectrum sensing …

Robust collaborative spectrum sensing schemes for cognitive radio networks

H Li, X Cheng, K Li, C Hu, N Zhang… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Cognitive radio networking allows the unlicensed secondary users to opportunistically
access the licensed spectrum as long as the performance of the licensed primary users does …

Selective-reporting-based cooperative spectrum sensing strategies for cognitive radio networks

Z Dai, J Liu, K Long - IEEE Transactions on vehicular …, 2013 - ieeexplore.ieee.org
Cooperative spectrum sensing may cause a high sensing overhead to secondary users
(SUs) and induce much interference to primary users (PUs) due to detection result reporting …