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Soft input decoding of generalized concatenated codes using a stack decoding algorithm

  • This work investigates soft input decoding for generalized concatenated (GC) codes. The GC codes are constructed from inner nested binary Bose-Chaudhuri-Hocquenghem (BCH)codes and outer Reed-Solomon (RS) codes. In order to enable soft input decoding for the inner BCH block codes, a sequential stack decoding algorithm is used. Ordinary stack decoding of binary block codes requires the complete trellis of the code. In this work a representation of the block codes based on the trellises of supercodes is proposed in order to reduce the memory requirements for the representation of the BCH codes. Results for the decoding performance of the overall GC code are presented. Furthermore, an efficient hardware implementation of the GC decoder is proposed.

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Author:Jens Spinner, Jürgen FreudenbergerORCiDGND
Parent Title (English):BW-CAR Symposium on Information and Communication Systems, SInCom 2015, 13. November 2015, Konstanz
Document Type:Conference Proceeding
Year of Publication:2015
Release Date:2019/05/13
First Page:1
Last Page:6
Open Access?:Ja
Relevance:Keine peer reviewed Publikation (Wissenschaftlicher Artikel und Aufsatz, Proceeding, Artikel in Tagungsband)