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Quaternary Message Passing Decoding of LDPC Codes: Density Evolution Analysis and Error Floor

Ben Yacoub, Emna and Matuz, Balazs and Liva, Gianluigi and Graell i Amat, Alexandre (2021) Quaternary Message Passing Decoding of LDPC Codes: Density Evolution Analysis and Error Floor. In: 2014 8th International Symposium on Turbo Codes and Iterative Information Processing, ISTC 2014. ISTC 2021, Montreal, QC, Canada.

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Abstract

We revisit a coarsely quantized message passing decoding algorithm for low density parity-check (LDPC) code ensembles, named quaternary message passing (QMP). Particularly, we analyze the performance of unstructured LDPC codes under QMP decoding by means of density evolution. The impact of degree-2 and degree-3 variable nodes on the error floor performance is also discussed. We design a code for QMP that performs within 0.55 dB of the 5G LDPC code at a block error rate of 10−4 .

Item URL in elib:https://elib.dlr.de/146225/
Document Type:Conference or Workshop Item (Speech)
Title:Quaternary Message Passing Decoding of LDPC Codes: Density Evolution Analysis and Error Floor
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ben Yacoub, Emnaemna.ben-yacoub (at) tum.deUNSPECIFIED
Matuz, BalazsBalazs.Matuz (at) dlr.deUNSPECIFIED
Liva, GianluigiGianluigi.Liva (at) dlr.deUNSPECIFIED
Graell i Amat, AlexandreChalmers University of TechnologyUNSPECIFIED
Date:30 August 2021
Journal or Publication Title:2014 8th International Symposium on Turbo Codes and Iterative Information Processing, ISTC 2014
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Published
Keywords:QMP, quaternary message passing, LPDC codes, quantized decoders, error floors
Event Title:ISTC 2021
Event Location:Montreal, QC, Canada
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Satellite Networks
Deposited By: Matuz, Balazs
Deposited On:08 Dec 2021 10:31
Last Modified:08 Dec 2021 10:31

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