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Verification-Based Decoding with MAP Erasure Recovery

Matuz, Balazs and Liva, Gianluigi and Paolini, Enrico and Chiani, Marco (2013) Verification-Based Decoding with MAP Erasure Recovery. Systems, Communication and Coding (SCC), Munich.

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Verification-based decoding (VBD) is a simple yet powerful iterative (IT) decoding technique for codes operating on packets (vector-symbols) and channels that introduce packetwise errors. An example is given by the q-ary symmetric channel (qSC) for which a simple improvement of the VBD algorithm is proposed. It consists of performing a Gaussian elimination (GE)-based erasure decoding stage whenever VBD fails, i.e., whenever β > 0 packets remain unverified. The modified decoder may recover the β unverified packets with a complexity of O(β^3) by making use of the inherent code structure. Numerical results on low-density parity-check (LDPC) codes and analytical expressions for the block error probability of linear random block codes show the benefit of the proposed algorithm.

Item URL in elib:https://elib.dlr.de/81652/
Document Type:Conference or Workshop Item (Speech)
Title:Verification-Based Decoding with MAP Erasure Recovery
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Paolini, EnricoUniversity of BolognaUNSPECIFIED
Chiani, MarcoUniversity of BolognaUNSPECIFIED
Date:January 2013
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:LDPC codes, verification-based decoding, packet errors.
Event Title:Systems, Communication and Coding (SCC)
Event Location:Munich
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben Multimedia Satellitennetze
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Satellite Networks
Deposited By: Matuz, Balazs
Deposited On:09 Jul 2013 10:01
Last Modified:09 Feb 2015 09:29

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