High-performance Estimation of Jamming Covariance Matrix for IRS-aided Directional Modulation Network with a Malicious Attacker.
Hangjia HeTing SuHongjun WangYin TengWeiping ShiFeng ShuJiangzhou WangPublished in: CoRR (2021)
Keyphrases
- covariance matrix
- estimation error
- covariance matrices
- principal component analysis
- positive definite
- mahalanobis distance
- geometrical interpretation
- eigenvalues and eigenvectors
- eigendecomposition
- sample size
- wireless sensor networks
- objective function
- cognitive radio
- correlation matrix
- pseudo inverse
- symmetric matrix
- machine learning
- gaussian mixture
- least squares
- special case
- multivariate gaussian
- genetic algorithm