A Simple Soft-Input/Soft-Output Decoder for Hamming Codes

Hirst, Simon A. and Honary, Bahram (2001) A Simple Soft-Input/Soft-Output Decoder for Hamming Codes. In: Cryptography and Coding. Lecture Notes in Computer Science . Springer, Berlin, pp. 38-43. ISBN 3-540-43026-1

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Abstract

In an earlier paper, bit flipping methods for decoding low-density parity-check (LDPC) codes on the binary symmetric channel were adapted for generalised LDPC (GLDPC) codes with Hamming sub-codes. We now employ the analysis of this weighted bit flipping method to develop a simple softinput/ soft-output decoder for Hamming codes based on a conventional hard decision decoder. Simulation results are presented for decoding of both product codes and GLDPCs on the AWGN channel using the proposed decoder. At higher rates the indications are that good performance is possible at very low decoding complexity.

Item Type: Contribution in Book/Report/Proceedings
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 60829
Deposited By: ep_importer_pure
Deposited On: 11 Jan 2013 09:13
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 05:40
URI: https://eprints.lancs.ac.uk/id/eprint/60829

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