Subspace Based Hierarchical Channel Clustering in Massive MIMO.
Roberto PereiraXavier MestreDavid GregorattiPublished in: GLOBECOM (Workshops) (2021)
Keyphrases
- hierarchical clustering
- clustering algorithm
- subspace clustering
- wireless channels
- clustering high dimensional data
- clustering method
- multiple input
- k means
- multiple input multiple output
- unsupervised learning
- high dimensional data
- fading channels
- communication systems
- multiple output
- mimo systems
- channel estimation
- hierarchical tree
- physical layer
- mimo ofdm
- hierarchical structure
- information theoretic
- subspace clusters
- ofdm system
- data clustering
- cluster analysis
- locality preserving
- principal component analysis
- nearest neighbor
- subspace learning
- wireless communication
- spectral clustering
- dimensionality reduction
- feature space
- data analysis