Optimizing CSI Feedback for MU-MIMO: Tradeoffs in Channel Correlation, User Diversity and MU-MIMO Efficiency.
Nihar JindalSean A. RamprashadPublished in: VTC Spring (2011)
Keyphrases
- fading channels
- mimo systems
- ofdm system
- multiple input multiple output
- wireless channels
- multiple input
- mimo ofdm
- channel estimation
- user feedback
- transmission scheme
- relevance feedback
- multiple output
- multi input multi output
- communication systems
- wireless communication
- physical layer
- development environment
- low complexity
- bit error rate
- multipath
- user interaction
- user interface
- feedback mechanisms
- channel state information
- feedback information
- computational complexity
- visual feedback
- video transmission
- estimation algorithm
- end users
- cdma systems
- error propagation
- orthogonal frequency division multiplexing
- code division multiple access
- recommender systems
- user preferences
- user profiles
- wireless communication systems
- wireless networks
- lyapunov theory
- frequency selective
- collaborative filtering
- channel coding
- user queries
- end to end
- query refinement