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Soft-input soft-output decoding algorithm of linear block codes based on minimum distance search

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4 Author(s)
Asatani, J. ; Okayama Univ. of Sci. ; Koumoto, T. ; Fujiwara, T. ; Kasami, T.

A new soft-input soft-output (SISO) decoding algorithm based on minimum distance search (MDS), called SISO-IMDS, is presented. The bit error rate of the proposed SISO decoding algorithm is almost the same as those of Max-Log-MAP and Log-MAP algorithms. Moreover, the average decoding complexity of the MDS based SISO decoding algorithm is much smaller than those of trellis-based SISO decoding algorithms. Consequently, the proposed SISO-IMDS can be applied in practical iterative decoding algorithms for a product code and a block turbo code

Published in:

Information Theory, 2004. ISIT 2004. Proceedings. International Symposium on

Date of Conference:

June 27 2004-July 2 2004