Detecting Abrupt Changes in Channel Covariance Matrix for MIMO Communication.
Runnan LiuLiang LiuDazhi HeWenjun ZhangErik G. LarssonPublished in: CoRR (2022)
Keyphrases
- covariance matrix
- wireless communication systems
- communication systems
- physical layer
- fading channels
- covariance matrices
- mimo systems
- communication channels
- wireless channels
- multiple input multiple output
- channel estimation
- principal component analysis
- sample size
- wireless networks
- positive definite
- wireless communication
- mahalanobis distance
- gaussian mixture
- communication networks
- geometrical interpretation
- pseudo inverse
- class conditional densities
- mimo ofdm
- multivariate gaussian
- symmetric matrix
- multiple input
- ofdm system
- correlation matrix
- estimation error
- model selection
- worst case
- cma es
- optimal solution
- mahalanobis metric
- objective function