Blind subspace-based channel estimation using the EM algorithm.
Koji HaradaHideaki SakaiPublished in: ICASSP (2009)
Keyphrases
- channel estimation
- em algorithm
- communication systems
- multipath
- expectation maximization
- maximum likelihood
- mixture model
- estimation algorithm
- ofdm system
- fading channels
- maximum likelihood estimation
- parameter estimation
- feature space
- bit error rate
- gaussian mixture
- gaussian mixture model
- expectation maximisation
- maximum a posteriori
- principal component analysis
- probabilistic principal component analysis
- dimensionality reduction
- probability density function
- wireless communication
- end to end
- unsupervised learning