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: IEEE Trans. Veh. Technol. (2022)
Keyphrases
- covariance matrix
- estimation error
- covariance matrices
- principal component analysis
- sample size
- mahalanobis distance
- geometrical interpretation
- multivariate gaussian
- objective function
- pseudo inverse
- positive definite
- eigendecomposition
- eigenvalues and eigenvectors
- computer vision
- correlation matrix
- gaussian mixture
- cognitive radio
- maximum likelihood estimation
- symmetric matrix
- class conditional densities