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Abstract: Recently, several groups have increased the coding gain of iteratively decoded Gallager codes (low density parity check codes) by varying the number of parity check equations in which each codeword bit participates. In regular turbocodes, each \systematic bit" participates in exactly 2 trellis sections. We construct irregular turbocodes with systematic bits that participate in varying numbers of trellis sections. These codes can be decoded by the iterative application of the sum-product... (Update)
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BibTeX entry: (Update)
B. Frey and D. MacKay. Irregular turbocodes. In Proc. of the 37th Allerton Conference on Communication, Control and Computiong, Allerton House, Illinois, 1999. http://citeseer.ist.psu.edu/frey99irregular.html More
@misc{ frey99irregular,
author = "B. Frey and D. MacKay",
title = "Irregular turbocodes",
text = "B. Frey and D. MacKay. Irregular turbocodes. In Proc. of the 37th Allerton
Conference on Communication, Control and Computiong, Allerton House, Illinois,
1999.",
year = "1999",
url = "citeseer.ist.psu.edu/frey99irregular.html" }
Citations (may not include all citations):442 Optimal decoding of linear codes for minimizing symbol error.. (context) - Bahl, Cocke et al. - 1974
145 Near optimum error correcting coding and decoding: Turbo-cod.. (context) - Berrou, Glavieux - 1996
133 Good error-correcting codes based on very sparse matrices - MacKay - 1999
115 Graphical Models for Machine Learning and Digital Communicat.. (context) - Frey - 1998
113 Statistical inference for probabilistic functions of nite st.. (context) - Baum, Petrie - 1966
57 Iterative decoding of compound codes by probability propagat.. - Kschischang, Frey - 1998
55 Codes and iterative decoding on general graphs (context) - Wiberg, Loeliger et al. - 1995
49 belief propagation (context) - McEliece, MacKay et al. - 1998
44 Improved low-density parity-check codes using irregular grap.. - Luby, Mitzenmacher et al. - 1998
43 Turbo-codes for PCS applications (context) - Divsalar, Pollara - 1995
28 Design of provably good low density parity check codes - Richardson, Shokrollahi et al. - 1999
22 Comparison of constructions of irregular Gallager codes - MacKay, Wilson et al. - 1999
6 Application of distance spectrum analysis to turbocode perfo.. - Oberg, Siegel - 1997
3 Trellis-constrained codes - Frey, MacKay - 1997
3 ective free distance of turbocodes (context) - Divsalar, McEliece - 1996
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