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Matuz, Balazs and Liva, Gianluigi and Paolini, Enrico and Chiani, Marco (2013) Verification-Based Decoding with MAP Erasure Recovery. Systems, Communication and Coding (SCC), 2013-01-21 - 2013-01-24, Munich.
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Abstract
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/ | ||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||
| Title: | Verification-Based Decoding with MAP Erasure Recovery | ||||||||||||||||||||
| Authors: |
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| Date: | January 2013 | ||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | LDPC codes, verification-based decoding, packet errors. | ||||||||||||||||||||
| Event Title: | Systems, Communication and Coding (SCC) | ||||||||||||||||||||
| Event Location: | Munich | ||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||
| Event Start Date: | 21 January 2013 | ||||||||||||||||||||
| Event End Date: | 24 January 2013 | ||||||||||||||||||||
| 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 (old) | ||||||||||||||||||||
| 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: | 23 Aug 2024 09:05 |
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