An EM Algorithm-Based Disintegrated Channel Estimator for OFDM AF Cooperative Relaying.
Jeng-Shin SheuWern-Ho SheenPublished in: IEICE Trans. Commun. (2013)
Keyphrases
- em algorithm
- maximum likelihood
- ofdm system
- estimation algorithm
- channel estimation
- expectation maximization
- maximum a posteriori
- orthogonal frequency division multiplexing
- fading channels
- recursive least squares
- mixture model
- channel coding
- likelihood function
- parameter estimation
- gaussian mixture model
- communication systems
- generative model
- maximum likelihood estimation
- multipath
- hyperparameters
- log likelihood
- bit error rate
- wireless systems
- gaussian mixture
- wireless communication
- hidden variables
- wireless channels
- least squares
- model based clustering
- mixture modeling
- penalized likelihood
- probability density function
- expectation maximisation
- base station
- signal to noise ratio
- mixture distribution
- finite mixture model
- probabilistic model
- pairwise