An enhanced channel estimation algorithm for OFDM: combined EM algorithm and polynomial fitting.
Xiaoqiang MaHisashi KobayashiStuart C. SchwartzPublished in: ICASSP (4) (2003)
Keyphrases
- estimation algorithm
- em algorithm
- ofdm system
- maximum likelihood
- channel estimation
- orthogonal frequency division multiplexing
- parameter estimation
- expectation maximization
- mixture model
- fusion model
- gaussian mixture model
- maximum likelihood estimation
- generative model
- expectation maximisation
- gaussian mixture
- computationally efficient
- penalized likelihood
- maximum a posteriori
- orbit determination
- image sequences
- probability density function
- model based clustering
- density estimation
- mixture modeling
- probabilistic model
- computer vision