@inproceedings{fb68c87f9a12491e99c60ce51fdd434b,
title = "Iterative symbol decoding of convolutionally-encoded variable-length codes",
abstract = "In this paper, we present a symbol-level iterative source-channel decoding algorithm for variable-length codes (VLCs). First a soft-input source decoder for VLC-encoded data is derived by modification of the BCJR forward-backward recursion and adaptation to the nonstationary VLC trellis. Also proposed is a recursive implementation based on sectionalized code trellises for MAP symbol decoding of binary convolutional codes. This allows to use a merged trellis representation for a VLC and a convolutional channel code and exploit the residual source redundancies as a priori information on a code trellis. Simulation results indicate that the proposed iterative decoder allows to exchange between its constituent decoders the symbol-level extrinsic information and achieves high robustness against channel noises.",
keywords = "extrinsic information, iterative source-channel decoding, sectionalized code trellis, variable-length codes",
author = "Wu, {Chun Feng} and Hsu, {Tzu Fan} and Wen-Whei Chang",
year = "2011",
month = dec,
day = "1",
doi = "10.1109/ICICS.2011.6174312",
language = "English",
isbn = "9781457700309",
series = "ICICS 2011 - 8th International Conference on Information, Communications and Signal Processing",
booktitle = "ICICS 2011 - 8th International Conference on Information, Communications and Signal Processing",
note = "null ; Conference date: 13-12-2011 Through 16-12-2011",
}