Towards FDD Massive MIMO: Downlink Channel Covariance Matrix Estimation Using Conditional Generative Adversarial Networks.
Bitan BanerjeeRobert C. ElliottWitold A. KrzymienHamid FarmanbarPublished in: PIMRC (2021)
Keyphrases
- covariance matrix
- wireless channels
- estimation error
- covariance matrices
- mimo systems
- fading channels
- cellular networks
- sample size
- mahalanobis distance
- principal component analysis
- multiple input multiple output
- ofdm system
- communication systems
- multivariate gaussian
- geometrical interpretation
- eigendecomposition
- multimedia services
- estimation algorithm
- resource allocation
- correlation matrix
- eigenvalues and eigenvectors
- positive definite
- generative model
- objective function
- code division multiple access
- cma es
- mimo ofdm
- gaussian mixture
- multipath
- wireless communication
- video quality
- density estimation
- symmetric matrix
- class conditional densities
- bit error rate
- wireless networks
- parameter estimation
- bayesian networks