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On the BCJR algorithm for rate-distortion source coding

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Author

Summary, in English

The BCJR algorithm is an important method of channel decoding. We extend it here to rate-distortion encoding. The arguments begin from source coding principles and make no use of channel coding or soft output ideas. An important role is played by codeword ensembles with equiprobable reproducer letters. The BCJR method is demonstrated by tests of a tailbiting BCJR with the Gaussian source. The outcome improves Viterbi algorithm performance at short and medium blocklengths.

Publishing year

2005

Language

English

Pages

1932-1936

Publication/Series

IEEE International Symposium on Information Theory - Proceedings

Volume

2005

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Channel coding
  • Viterbi algorithms
  • Channel decoding
  • Gaussian source

Conference name

IEEE International Symposium on Information Theory (ISIT), 2005

Conference date

2005-09-04 - 2005-09-09

Conference place

Adelaide, Australia

Status

Published