Channel Estimation based on Gaussian Mixture Models with Structured Covariances.
Benedikt FeslMichael JohamSha HuMichael KollerNurettin TuranWolfgang UtschickPublished in: CoRR (2022)
Keyphrases
- gaussian mixture model
- channel estimation
- estimation algorithm
- covariance matrices
- maximum likelihood
- ofdm system
- communication systems
- mixture model
- multipath
- speaker recognition
- frequency selective
- fading channels
- em algorithm
- covariance matrix
- expectation maximization
- bit error rate
- probability density function
- feature vectors
- gaussian distribution
- feature space
- generative model
- computationally efficient
- analytical model
- object recognition