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Communication Dans Un Congrès Année : 2012

Predicted eigenvalue threshold based spectrum sensing with correlated multiple-antennas

Résumé

In this paper, we consider the problem of sensing a primary user in a cognitive radio network by employing multiple-antennas at the secondary user. Among the many spectrum-sensing methods, the predicted eigenvalue threshold (PET) based method is a promising non-parametric blind method that can reliably detect the primary users without any prior information. Also, a simplified PET sensing method, which needs to compare only one eigenvalue to its threshold, is introduced. A performance comparison between the proposed method and other existing methods is provided. Spatial antenna correlation at the secondary user is a crucial factor for practical systems. The effect of the spatial correlation presence on the different sensing methods is investigated.
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Dates et versions

hal-00802542 , version 1 (20-03-2013)

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Kais Hassan, Roland Gautier, Iyad Dayoub, Emanuel Radoi, Marion Berbineau. Predicted eigenvalue threshold based spectrum sensing with correlated multiple-antennas. 75th IEEE Vehicular Technology Conference, VTC Spring 2012, May 2012, Yokohama, Japan. pp.1-5, ⟨10.1109/VETECS.2012.6240275⟩. ⟨hal-00802542⟩
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