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