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Short erasure correcting LDPC IRA codes over GF(q)
Garrammone, Giuliano and Matuz, Balázs (2010) Short erasure correcting LDPC IRA codes over GF(q). In: GLOBECOM 2010, 2010 IEEE Global Telecommunications Conference, pp. 1-5. Globecom 2010, 6-10 Dec 2010, Miami, FL, USA. ISBN 978-1-4244-5637-6. ISSN 1930-529X
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Official URL: http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5683889&abstractAccess=no&userType=inst
Abstract
This paper investigates non-binary low-density parity-check (LDPC) erasure correcting codes suitable to guarantee reliable transmission in wireless communications systems. In particular, irregular repeat-accumulate (IRA) codes are considered, characterized by linear-time encoding complexity. The performance of non-binary IRA codes is compared with their binary counterparts on the packet erasure channel (PEC), with considerable advantages for the non-binary construction. Particularly, it is illustrated that the performance of short-block-length erasure correcting IRA codes over Galois fields (GFs) of order q > 2 approaches, under maximum-likelihood (ML) decoding, the performance of ideal maximum distance separable (MDS) codes. This is especially appealing in the context of satellite communications, where efficient codes are required to cope with small link margins.
| Document Type: | Conference or Workshop Item (Paper) | ||||||
|---|---|---|---|---|---|---|---|
| Title: | Short erasure correcting LDPC IRA codes over GF(q) | ||||||
| Authors: |
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| Date: | December 2010 | ||||||
| Journal or Publication Title: | GLOBECOM 2010, 2010 IEEE Global Telecommunications Conference | ||||||
| Refereed publication: | Yes | ||||||
| In ISI Web of Science: | No | ||||||
| Page Range: | pp. 1-5 | ||||||
| ISSN: | 1930-529X | ||||||
| ISBN: | 978-1-4244-5637-6 | ||||||
| Status: | Published | ||||||
| Keywords: | LDPC codes, IRA codes, packet erasure channel, Galois fields, ML decoding, satellite communications | ||||||
| Event Title: | Globecom 2010 | ||||||
| Event Location: | Miami, FL, USA | ||||||
| Event Type: | international Conference | ||||||
| Event Dates: | 6-10 Dec 2010 | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Aeronautics | ||||||
| HGF - Program Themes: | L SF - Safe and Efficient Air Traffic Guidance | ||||||
| DLR - Research area: | Aeronautics | ||||||
| DLR - Program: | L SF - Safe and Efficient Air Traffic Guidance | ||||||
| DLR - Research theme (Project): | L - Communication, Navigation and Surveillance | ||||||
| Location: | Oberpfaffenhofen | ||||||
| Institutes and Institutions: | Institute of Communication and Navigation > Digital Networks | ||||||
| Deposited By: | Giuliano Garrammone | ||||||
| Deposited On: | 30 May 2011 07:28 | ||||||
| Last Modified: | 30 May 2011 07:28 |
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