Channel Covariance Matrix Estimation via Dimension Reduction for Hybrid MIMO MmWave Communication Systems.
Rui HuJun TongJiangtao XiQinghua GuoYanguang YuPublished in: Sensors (2019)
Keyphrases
- communication systems
- dimension reduction
- covariance matrix
- principal component analysis
- channel estimation
- multiple access
- wireless channels
- multiple input multiple output
- blind equalization
- covariance matrices
- feature extraction
- computer systems
- physical layer
- low dimensional
- linear discriminant analysis
- principal components analysis
- random projections
- orthogonal frequency division multiplexing
- dimensionality reduction
- singular value decomposition
- feature space
- face recognition
- estimation algorithm
- high dimensional data
- code division multiple access
- feature selection
- manifold learning
- frequency selective
- cluster analysis
- high dimensional
- unsupervised learning
- feature vectors
- fading channels
- training data
- data processing
- data sets
- knn
- pattern recognition
- high dimensionality
- learning algorithm
- machine learning