IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Concatenated LDPC/Trellis Codes: Surpassing the Symmetric Information Rate of Channels with Synchronization Errors
Ryo SHIBATAGou HOSOYAHiroyuki YASHIMA
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2020 Volume E103.A Issue 11 Pages 1283-1291

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Abstract

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).

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© 2020 The Institute of Electronics, Information and Communication Engineers
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