On the BCJR algorithm for rate-distortion source coding

被引：0
|
作者：
Anderson, JB [1 ]
Goertz, N [1 ]
Eriksson, T [1 ]
机构：
[1] Lund Univ, Dept Informat Technol, SE-22100 Lund, Sweden
来源：
2005 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT), VOLS 1 AND 2 | 2005年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
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.
引用
收藏
页码：1932 / 1936
页数：5
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