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IEICE TRANSACTIONS on Fundamentals

Concatenated LDPC/Trellis Codes: Surpassing the Symmetric Information Rate of Channels with Synchronization Errors

Ryo SHIBATA, Gou HOSOYA, Hiroyuki YASHIMA

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Summary :

We propose a coding/decoding strategy that surpasses the symmetric information rate of a binary insertion/deletion (ID) channel and approaches the Markov capacity of the channel. The proposed codes comprise inner trellis codes and outer irregular low-density parity-check (LDPC) codes. The trellis codes are designed to mimic the transition probabilities of a Markov input process that achieves a high information rate, whereas the LDPC codes are designed to maximize an iterative decoding threshold in the superchannel (concatenation of the ID channels and trellis codes).

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E103-A No.11 pp.1283-1291
Publication Date
2020/11/01
Publicized
2020/09/03
Online ISSN
1745-1337
DOI
10.1587/transfun.2020EAP1019
Type of Manuscript
PAPER
Category
Coding Theory

Authors

Ryo SHIBATA
  Tokyo University of Science
Gou HOSOYA
  Waseda University
Hiroyuki YASHIMA
  Tokyo University of Science

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