Manifold learning-based automatic signal identification in cognitive radio networks.
Shancang LiXinheng WangJue WangPublished in: IET Commun. (2012)
Keyphrases
- manifold learning
- cognitive radio networks
- spectrum sensing
- low dimensional
- nonlinear dimensionality reduction
- dimensionality reduction
- high dimensional
- semi supervised
- dimension reduction
- diffusion maps
- user centric
- cognitive radio
- channel allocation
- high dimensional data
- signal processing
- manifold structure
- sparse representation
- manifold embedding
- feature extraction
- high frequency
- machine learning
- locally linear embedding
- image processing
- neural network
- unsupervised learning
- low dimensional manifolds
- feature space
- feature vectors
- denoising
- principal component analysis
- data sets