Differential feedback of MIMO channel correlation matrices based on geodesic curves.
Daniel Sacristán-MurgaAntonio Pascual-IsertePublished in: ICASSP (2009)
Keyphrases
- fading channels
- mimo systems
- wireless channels
- multiple input multiple output
- closed curves
- multiple input
- mimo ofdm
- channel state information
- channel estimation
- ofdm system
- correlation matrix
- geodesic paths
- shape space
- transmission scheme
- physical layer
- relevance feedback
- endpoints
- multi channel
- correlation coefficient
- curvature flow
- facial surfaces
- multi input multi output
- communication systems
- wireless communication systems
- multiple output
- multipath
- shape analysis
- shortest path
- riemannian framework
- frequency selective
- cdma systems
- orthogonal frequency division multiplexing
- channel coding
- wireless communication
- data transmission
- geodesic distance
- power allocation
- riemannian metric
- covariance matrices
- singular value decomposition
- space time block
- bit error rate