Precoding with Known Transmit Coupling and Spatial Covariance Matrices.

Jinhui Chen Wei Fang Fanglei Sun Peng Shang Jun Wang

Published in: VTC Spring (2012)

Keyphrases

covariance matrices
covariance matrix
maximum likelihood
vector space
gaussian distribution
distance measure
gaussian mixture model
multivariate normal
riemannian metric
gaussian mixture
feature vectors
riemannian manifolds
lie group
em algorithm
multi class
linear classifiers
lower bound
image segmentation