Enhanced Spatial Covariance Matrix Estimation for Asynchronous Inter-Cell Interference Mitigation in MIMO-OFDMA System.
Jung-Su HanJun-Hee JangHyung-Jin ChoiSung-Soo KimPublished in: VTC Spring (2009)
Keyphrases
- covariance matrix
- inter cell
- estimation error
- cell formation
- covariance matrices
- transmission scheme
- principal component analysis
- layout design
- gaussian mixture
- physical layer
- sample size
- multipath
- multivariate gaussian
- correlation matrix
- geometrical interpretation
- objective function
- symmetric matrix
- cma es
- class conditional densities
- eigenvalues and eigenvectors
- fading channels
- maximum likelihood estimation
- estimation algorithm
- communication systems
- manufacturing systems