Constrained Optimization of Universal Codebook for MIMO Precoding.
Katsutoshi KusumeKarim KhashabaTetsushi AbeWolfgang UtschickPublished in: VTC Spring (2011)
Keyphrases
- constrained optimization
- vector quantization
- constrained optimization problems
- objective function
- feature vectors
- penalty function
- constraint handling
- interval analysis
- unconstrained optimization
- bag of words
- fading channels
- lagrange multipliers
- penalty functions
- training set
- augmented lagrangian
- inequality constraints
- evolutionary strategy
- multiple input multiple output
- closed form solutions
- particle swarm optimization