Estimation of Covariance Matrix of Interference for Secure Spatial Modulation Against a Malicious Full-Duplex Attacker.
Lili YangXinyi JiangFeng ShuWeibin ZhangJiangzhou WangPublished in: IEEE Trans. Veh. Technol. (2022)
Keyphrases
- covariance matrix
- estimation error
- covariance matrices
- principal component analysis
- multivariate gaussian
- sample size
- maximum likelihood estimation
- mahalanobis distance
- gaussian mixture
- geometrical interpretation
- pseudo inverse
- positive definite
- eigendecomposition
- correlation matrix
- special case
- received signal
- estimation algorithm
- density estimation
- projector camera
- eigenvalues and eigenvectors
- symmetric matrix
- class conditional densities
- maximum likelihood
- objective function