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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sibel, J.-C. Reynal, S. Declercq, D. |
| Copyright Year | 2014 |
| Description | Author affiliation: ETIS, Univ. of Cergy-Pontoise, Cergy-Pontoise, France (Reynal, S.; Declercq, D.) || IETR, INSA de Rennes, Rennes, France (Sibel, J.-C.) |
| Abstract | Generalized belief propagation (GBP) is known to be a well-suited technique for approximate inference problems in loopy factor graphs. It can absorb problematic subgraphs inside regions to reduce their influence on the inference. However, the choice of regions to be used in GBP remains a delicate issue. This paper proposes an approach to create specific regions when dealing with Low-Density Parity-Check (LDPC) codes. We split trapping sets, known to degrade the decoding performance, to make GBP locally optimal. Experiments show that GBP can then perform better than BP, especially in the error-floor region. |
| Starting Page | 706 |
| Ending Page | 710 |
| File Size | 422099 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781479951864 |
| ISSN | 21578117 |
| DOI | 10.1109/ISIT.2014.6874924 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-29 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Charge carrier processes Parity check codes Approximation methods Decoding Bit error rate Belief propagation High definition video error-floor Generalized Belief Propagation clustering LDPC codes trapping set |
| Content Type | Text |
| Resource Type | Article |
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