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A soft-input bit-flipping decoder for generalized concatenated codes

  • Generalized concatenated (GC) codes with soft-input decoding were recently proposed for error correction in flash memories. This work proposes a soft-input decoder for GC codes that is based on a low-complexity bit-flipping procedure. This bit-flipping decoder uses a fixed number of test patterns and an algebraic decoder for soft-input decoding. An acceptance criterion for the final candidate codeword is proposed. Combined with error and erasure decoding of the outer Reed-Solomon codes, this bit-flipping decoder can improve the decoding performance and reduce the decoding complexity compared to the previously proposed sequential decoding. The bit-flipping decoder achieves a decoding performance similar to a maximum likelihood decoder for the inner codes.

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Author:Jürgen FreudenbergerORCiDGND, Mohammed RajabORCiD, Sergo ShavgulidzeORCiD
Parent Title (English):IEEE International Symposium on Information Theory (ISIT), 17-22 June 2018, Vail, CO, USA
Document Type:Conference Proceeding
Year of Publication:2018
Release Date:2019/01/07
Page Number:5
First Page:1301
Last Page:1305
Volltextzugriff für Angehörige der Hochschule Konstanz via Datenbank IEEE Xplore möglich.
Institutes:Institut für Systemdynamik - ISD
Relevance:Keine peer reviewed Publikation (Wissenschaftlicher Artikel und Aufsatz, Proceeding, Artikel in Tagungsband)
Open Access?:Nein
Licence (German):License LogoUrheberrechtlich geschützt