Fast Reconstruction and Iterative Updating of Spatial Covariance Matrix for DOA Estimation in Hybrid Massive MIMO.
Zihao FuYinsheng LiuYiwei YanPublished in: IEEE Access (2020)
Keyphrases
- covariance matrix
- doa estimation
- covariance matrices
- estimation error
- principal component analysis
- direction of arrival
- sample size
- principal components analysis
- objective function
- correlation matrix
- geometrical interpretation
- image reconstruction
- pseudo inverse
- pattern recognition
- principal components
- canonical correlation analysis