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Spectrum Sensing Based on Antenna Correlation in Cognitive Radio Systems

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Abstract

In this paper, we consider the spectrum sensing by exploiting the receive antenna correlation properties in cognitive radio systems. The signal and noise have different statistical correlation characteristics. By utilizing this property, we design a detection scheme that does not need the apriori information on the primary user signal and noise. Simulation results show that the proposed scheme outperforms conventional schemes unless the antenna correlation is low.

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Authors and Affiliations

  1. School of Electrical Engineering and INMC, Seoul National University, P.O. Box 34, Kwanak, Seoul, 151-600, Korea

    Dong-Chan Oh, Joong-Hyup Lee & Yong-Hwan Lee

Authors
  1. Dong-Chan Oh
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  2. Joong-Hyup Lee
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  3. Yong-Hwan Lee
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Corresponding author

Correspondence to Dong-Chan Oh.

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Oh, DC., Lee, JH. & Lee, YH. Spectrum Sensing Based on Antenna Correlation in Cognitive Radio Systems. Wireless Pers Commun 63, 703–712 (2012). https://doi.org/10.1007/s11277-010-0161-y

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  • DOI: https://doi.org/10.1007/s11277-010-0161-y

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