Joint symbol detection and channel tracking for MIMO-OFDM systems via the variational bayes EM algorithm.
Xiaoying ZhangDe-Gang WangChun-lin XiongJi-Bo WeiPublished in: PIMRC (2010)
Keyphrases
- em algorithm
- variational bayes
- hyperparameters
- mimo ofdm systems
- gaussian mixture model
- expectation maximization
- log likelihood
- mixture model
- maximum likelihood
- posterior distribution
- parameter estimation
- gaussian process
- maximum a posteriori
- multipath
- generative model
- exponential family
- incomplete data
- model selection
- latent variables
- probability density function
- bayesian inference
- cross validation
- object tracking
- probabilistic model
- closed form
- density estimation
- visual tracking
- particle filter
- prior information
- kalman filter
- particle filtering
- video sequences
- information theoretic
- unsupervised learning
- k means
- feature space