Covariance Matrix Estimation for Massive MIMO.
Karthik UpadhyaSergiy A. VorobyovPublished in: CoRR (2018)
Keyphrases
- covariance matrix
- estimation error
- covariance matrices
- principal component analysis
- sample size
- mahalanobis distance
- gaussian mixture
- correlation matrix
- pseudo inverse
- multivariate gaussian
- eigendecomposition
- cma es
- eigenvalues and eigenvectors
- positive definite
- symmetric matrix
- geometrical interpretation
- class conditional densities
- multivariate normal
- principal components
- objective function
- transformation matrix
- vector space
- least squares
- image processing
- computer vision