Energy minimization approach for optimal cooperative spectrum sensing in sensor-aided cognitive radio networks

HN Pham, Y Zhang, PE Engelstad… - 2010 The 5th Annual …, 2010 - ieeexplore.ieee.org
In a sensor-aided cognitive radio network, collaborating battery-powered sensors are
deployed to aid the network in cooperative spectrum sensing. These sensors consume …

Optimal cooperative spectrum sensing in cognitive sensor networks

HN Pham, Y Zhang, PE Engelstad, T Skeie… - Proceedings of the …, 2009 - dl.acm.org
This paper addresses the problem of optimal cooperative spectrum sensing in a cognitive-
enabled sensor network where cognitive sensors can cooperate in the sensing of the …

Optimization of energy detection based cooperative spectrum sensing in cognitive radio networks

Q Liu, J Gao, L Chen - 2010 International Conference on …, 2010 - ieeexplore.ieee.org
Cooperation is necessitated for tackling the challenges caused by fading/shadowing effects,
noise uncertainty and sensing time constraints in spectrum sensing of cognitive radio …

Energy-efficient cooperative spectrum sensing by optimal scheduling in sensor-aided cognitive radio networks

R Deng, J Chen, C Yuen, P Cheng… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
A promising technology that tackles the conflict between spectrum scarcity and
underutilization is cognitive radio (CR), of which spectrum sensing is one of the most …

Analysis of a new energy-based sensor selection method for cooperative spectrum sensing in cognitive radio networks

M Monemian, M Mahdavi - IEEE sensors journal, 2014 - ieeexplore.ieee.org
Spectrum sensing is essential to identify the presence of primary users (PUs) in cognitive
radio networks. Cooperative spectrum sensing (CSS) obtained from the diversity of different …

Energy and throughput efficient strategies for cooperative spectrum sensing in cognitive radios

S Maleki, SP Chepuri, G Leus - 2011 IEEE 12th international …, 2011 - ieeexplore.ieee.org
An efficient cooperative spectrum sensing based cognitive radio network employs a certain
number of secondary users to sense the spectrum while satisfying a constraint on the …

Energy and throughput efficient cooperative spectrum sensing in cognitive radio sensor networks

W Ejaz, GA Shah, N Hasan… - Transactions on Emerging …, 2015 - Wiley Online Library
The sensing‐throughput trade‐off and the sensing‐energy trade‐off for cooperative
spectrum sensing have been the subject of recent research. Two important, but often …

Optimal energy-efficient cooperative sensing scheduling for cognitive radio networks with QoS guarantee

X Sun, T Zhang, DHK Tsang - 2011 7th International Wireless …, 2011 - ieeexplore.ieee.org
Cooperative spectrum sensing, which can profoundly improve the ability of discovering the
spectrum opportunities, is regarded as an enabling mechanism for Cognitive Radio …

Sensor selection and optimal energy detection threshold for efficient cooperative spectrum sensing

A Ebrahimzadeh, M Najimi… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
In this paper, an energy-efficient scheme is proposed for cooperative spectrum sensing in
cognitive sensor networks. In our scheme, we introduce a technique to select the sensing …

Energy efficient techniques with sensing time optimization in cognitive radio networks

X Li, J Cao, Q Ji, Y Hei - 2013 IEEE wireless communications …, 2013 - ieeexplore.ieee.org
The cooperative spectrum sensing techniques in cognitive radio networks increase the
energy consumption while improving the throughput of the system. The energy efficient …