Principal Component Tracking for Massive MIMO Channels in High Mobility Scenarios With Diagonal Step Size Matrix.
Anding WangGuiyi WeiPublished in: IEEE Trans. Wirel. Commun. (2022)
Keyphrases
- step size
- principal components
- covariance matrix
- principal component analysis
- convergence rate
- convergence speed
- cost function
- mimo systems
- fading channels
- multivariate data
- steepest descent method
- dimensionality reduction
- multiple input multiple output
- hyperplane
- variable step size
- principal curves
- principal component regression
- stochastic gradient descent
- quantization step
- sample size
- wavelet coefficients
- multiscale
- image processing
- kernel space
- singular value decomposition
- machine learning
- particle swarm optimization
- low dimensional
- artificial neural networks
- high dimensional
- pattern recognition
- training data
- computer vision