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Cooperative Spectrum Sensing for Cognitive Radio Systems with Energy Harvesting Capability  

Park, Sung-Soo (Yonsei University)
Lee, Seok-Won (Yonsei University)
Bang, Keuk-Joon (Induk University)
Hong, Dae-Sik (Yonsei University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.49, no.3, 2012 , pp. 8-13 More about this Journal
Abstract
In this paper, we investigate cooperative spectrum sensing scheme for sensor network-aided cognitive radio systems with energy harvesting capability. In the proposed model, each sensor node harvests ambient energy from environment such as solar, wind, mechanical vibration, or thermoelectric effect. We propose adaptive cooperative spectrum sensing scheme in which each sensor node adaptively carries out energy detection depending on the residual energy in its energy storage and then conveys the sensing result to the fusion center. From simulation results, we show that the proposed scheme minimizes the false alarm probability for given target detection probability by adjusting the number of samples for energy detector.
Keywords
Cognitive radio; cooperative spectrum sensing; energy harvesting;
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Times Cited By KSCI : 1  (Citation Analysis)
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