EM Algorithm Based Channel Estimation for Amplify-and-Forward Relay Networks with Unknown Noise Correlation.
Chao ZhangSuhua TangPinyi RenPublished in: VTC Fall (2012)
Keyphrases
- em algorithm
- channel estimation
- expectation maximization
- mixture model
- maximum likelihood
- communication systems
- parameter estimation
- maximum likelihood estimation
- expectation maximisation
- multipath
- cdma systems
- power law
- probability density function
- gaussian mixture model
- ofdm system
- fading channels
- noise level
- estimation algorithm
- maximum a posteriori
- network structure
- bit error rate
- probabilistic model
- computer networks
- denoising