Blind identification of sparse channels and symbol detection via the EM algorithm.
Gerasimos MileounisNicholas KalouptsidisBehtash BabadiVahid TarokhPublished in: DSP (2011)
Keyphrases
- em algorithm
- expectation maximization
- mixture model
- maximum likelihood
- expectation maximisation
- maximum likelihood estimation
- parameter estimation
- generative model
- gaussian mixture
- gaussian mixture model
- maximum a posteriori
- hyperparameters
- hidden variables
- finite mixtures
- incomplete data
- high dimensional
- log likelihood
- likelihood function
- penalized likelihood
- object detection
- probability density function
- parameter learning
- model based clustering
- mixture distribution
- detection algorithm
- likelihood maximization
- sparse representation
- mixture modeling
- unsupervised learning