New Free Distance Bounds and Design Techniques for Joint Source-Channel Variable-Length Codes

@article{Diallo2012NewFD,
  title={New Free Distance Bounds and Design Techniques for Joint Source-Channel Variable-Length Codes},
  author={Amadou Diallo and Claudio Weidmann and Michel Kieffer},
  journal={IEEE Transactions on Communications},
  year={2012},
  volume={60},
  pages={3080-3090}
}
This paper proposes branch-and-prune algorithms for searching prefix-free joint source-channel codebooks with maximal free distance for given codeword lengths. For that purpose, it introduces improved techniques to bound the free distance of variable-length codes. 
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