Covariance Matrix Estimation for Massive MIMO.
Karthik UpadhyaSergiy A. VorobyovPublished in: IEEE Signal Process. Lett. (2018)
Keyphrases
- covariance matrix
- covariance matrices
- estimation error
- sample size
- positive definite
- mahalanobis distance
- principal component analysis
- gaussian mixture
- correlation matrix
- geometrical interpretation
- pseudo inverse
- objective function
- symmetric matrix
- transformation matrix
- high dimensional
- maximum likelihood estimation
- estimation algorithm
- evolutionary algorithm
- multivariate gaussian
- lower bound
- machine learning