Dual-Feature Spectrum Sensing Exploiting Eigenvalue and Eigenvector of the Sampled Covariance Matrix.
Yanping ChenYulong GaoPublished in: CSPS (2) (2018)
Keyphrases
- covariance matrix
- spectrum sensing
- covariance matrices
- cognitive radio networks
- cognitive radio
- principal component analysis
- sample size
- pseudo inverse
- positive definite
- gaussian mixture
- correlation matrix
- objective function
- eigenvalues and eigenvectors
- wireless communication
- symmetric matrix
- feature vectors
- class conditional densities
- geometrical interpretation
- multivariate gaussian
- frequency band
- least squares
- optimal solution
- computer vision