Soft-decoding vector quantizer using reliability information from turbo-codes

@article{Ho1999SoftdecodingVQ,
  title={Soft-decoding vector quantizer using reliability information from turbo-codes},
  author={Keang-Po Ho},
  journal={IEEE Communications Letters},
  year={1999},
  volume={3},
  pages={208-210}
}
  • Keang-Po Ho
  • Published 1999 in IEEE Communications Letters
The optimum soft-decoding vector quantizer using the reliability information from turbo-codes is derived for combined source-channel coding. The encoder and decoder of the quantizer are optimized iteratively. For a four-dimensional vector quantizer having a rate of 1 bit/sample transmitted through a noisy channel, the soft-decoding channel-optimized quantizer can achieve about 3-3.7 dB performance improvement over conventional source-optimized quantizer. 
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