Estimation of Covariance Matrix of Interference for Secure Spatial Modulation against a Malicious Full-duplex Attacker.
Lili YangXinyi JiangFeng ShuWeibin ZhangJiangzhou WangPublished in: CoRR (2021)
Keyphrases
- covariance matrix
- estimation error
- covariance matrices
- sample size
- principal component analysis
- multivariate gaussian
- mahalanobis distance
- maximum likelihood estimation
- gaussian mixture
- geometrical interpretation
- received signal
- objective function
- correlation matrix
- eigenvalues and eigenvectors
- positive definite
- eigendecomposition
- pseudo inverse
- maximum likelihood
- multipath
- expectation maximization
- machine learning
- cma es