Robust widely linear beamforming using estimation of extended covariance matrix and steering vector.
Zhen MengWeidong ZhouSaeed GazorPublished in: EURASIP J. Wirel. Commun. Netw. (2020)
Keyphrases
- covariance matrix
- estimation error
- symmetric matrix
- covariance matrices
- pseudo inverse
- eigenvalues and eigenvectors
- principal component analysis
- transformation matrix
- mahalanobis distance
- positive definite
- correlation matrix
- geometrical interpretation
- gaussian mixture
- sample size
- eigendecomposition
- vector space
- multivariate gaussian
- semi parametric
- principal components
- cma es
- doa estimation
- laplacian matrix
- computational complexity
- semidefinite programming
- special case
- image processing