Spectrum sensing based on fractal box dimension and myriad filter in impulse noise

Zhao Chun-hui;Ma Shuang

Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (3) : 84-87.

PDF(1225 KB)
PDF(1225 KB)
Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (3) : 84-87.
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Spectrum sensing based on fractal box dimension and myriad filter in impulse noise

  • Zhao Chun-hui; Ma Shuang
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Abstract

To achieve the spectrum sensing in the impulse noise background, a spectrum sensing method based on Myriad filter and fractal box dimension is proposed in this paper. Alpha-stable noises affect the fractal box dimension of the signal. The Myriad filter can suppress the Alpha-stable noise. So the signal with Alpha-stable noise was processed by Myriad filter, and then the fractal box dimension of the filtered signal was calculated as test statistics. Simulation results show that this method has good spectrum sensing performance in the Alpha-stable noise background.

Key words

spectrum sensing / alpha-stable noise / myriad filter / fractal box dimension

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Zhao Chun-hui;Ma Shuang . Spectrum sensing based on fractal box dimension and myriad filter in impulse noise[J]. Journal of Vibration and Shock, 2012, 31(3): 84-87
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