Adaptive Beamformer in Hybrid Massive MIMO Using Reconstructed Spatial Covariance Matrix.
Zihao FuYiwei YanYinsheng LiuLi YouWenjin WangHongtao DuanPublished in: Wirel. Pers. Commun. (2024)
Keyphrases
- covariance matrix
- covariance matrices
- principal component analysis
- minimum variance
- positive definite
- sample size
- multivariate gaussian
- geometrical interpretation
- correlation matrix
- class conditional densities
- objective function
- eigendecomposition
- mahalanobis distance
- gaussian mixture
- eigenvalues and eigenvectors
- symmetric matrix
- estimation error
- pseudo inverse
- multipath
- least squares