Massive MIMO Channel Subspace Estimation From Low-Dimensional Projections.
Saeid HaghighatshoarGiuseppe CairePublished in: IEEE Trans. Signal Process. (2017)
Keyphrases
- low dimensional
- high dimensional
- dimensionality reduction
- high dimensional data
- linear subspace
- linear projection
- mimo systems
- estimation algorithm
- ofdm system
- fading channels
- wireless channels
- principal component analysis
- lower dimensional
- dimension reduction
- multiple input
- euclidean space
- manifold learning
- data points
- channel estimation
- feature space
- multi channel
- input space
- subspace learning
- multiple input multiple output
- transmission scheme
- linear dimensionality reduction
- intrinsic dimensionality
- graph embedding
- subspace projections
- mimo ofdm
- pattern recognition
- physical layer
- communication systems
- feature extraction
- subspace clustering
- error correction
- multipath
- input data