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Eigenvalue-based spectrum sensing using the exact distribution of the maximum eigenvalue of a Wishart matrix.
Narushan Pillay
Hongjun Xu
Published in:
IET Signal Process. (2013)
Keyphrases
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covariance matrix
perturbation theory
eigenvalue problems
spectrum sensing
positive definite
least squares
cognitive radio
symmetric matrix
cognitive radio networks
correlation matrix
eigenvalue decomposition
communication networks