A Dimension Reduction-Based Joint Activity Detection and Channel Estimation Algorithm for Massive Access.
Xiaodan ShaoXiaoming ChenRundong JiaPublished in: CoRR (2019)
Keyphrases
- dimension reduction
- estimation algorithm
- activity detection
- ofdm system
- singular value decomposition
- low dimensional
- principal component analysis
- feature extraction
- high dimensional data
- high dimensional
- computationally efficient
- feature space
- maximum likelihood
- sequence matching
- cluster analysis
- unsupervised learning
- linear discriminant analysis
- high dimensionality
- dimensionality reduction
- feature vectors
- pattern recognition
- database
- semi supervised
- ground truth
- similarity search
- data analysis
- reinforcement learning
- similarity measure
- face recognition
- computer vision
- machine learning
- databases