A Dimension Reduction-Based Joint Activity Detection and Channel Estimation Algorithm for Massive Access.
Xiaodan ShaoXiaoming ChenRundong JiaPublished in: IEEE Trans. Signal Process. (2020)
Keyphrases
- dimension reduction
- estimation algorithm
- activity detection
- ofdm system
- feature extraction
- principal component analysis
- computationally efficient
- linear discriminant analysis
- high dimensional
- maximum likelihood
- low dimensional
- high dimensional data
- singular value decomposition
- cluster analysis
- preprocessing
- feature selection
- feature space
- high dimensionality
- dimensionality reduction
- disparity map
- data analysis
- data sets
- text mining
- image data
- pairwise
- image segmentation
- machine learning