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cs.IT2008★ 5 cited
Spectrum Sensing Algorithms for Cognitive Radio Based on Statistical Covariances
Yonghong Zeng, Ying-Chang Liang
Spectrum sensing, i.e., detecting the presence of primary users in a licensed spectrum, is a fundamental problem in cognitive radio. Since the statistical covariances of received s…
cs.IT2008★ 13 cited
Eigenvalue based Spectrum Sensing Algorithms for Cognitive Radio
Yonghong Zeng, Ying-Chang Liang
Spectrum sensing is a fundamental component is a cognitive radio. In this paper, we propose new sensing methods based on the eigenvalues of the covariance matrix of signals receive…