Layered Offset Min-Sum Decoding for Low Density Parity Check Codes
Offset Min-Sum Algorithm (OMSA) and Normalized Min-Sum Algorithm (NMSA) are widely used in commercial LDPC decoders due to low complexity and reasonable performance. In this paper we proposes an Adaptive Layered Offset min- sum algorithm for the decoding of LDPC codes, which utilizes an adaptive off...
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| Published in | 2018 International Symposium on Advanced Electrical and Communication Technologies (ISAECT) pp. 1 - 5 |
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| Main Authors | , , |
| Format | Conference Proceeding |
| Language | English |
| Published |
IEEE
01.11.2018
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| Subjects | |
| Online Access | Get full text |
| DOI | 10.1109/ISAECT.2018.8618780 |
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| Abstract | Offset Min-Sum Algorithm (OMSA) and Normalized Min-Sum Algorithm (NMSA) are widely used in commercial LDPC decoders due to low complexity and reasonable performance. In this paper we proposes an Adaptive Layered Offset min- sum algorithm for the decoding of LDPC codes, which utilizes an adaptive offset factor to improve the accuracy of the soft information transferred during the iterative decoding process, and it provides good performance accordingly. The performed simulations showed that the layered offset min-sum decoding for LDPC codes can provide significant improvement compared to existing MS based algorithm, OMSA and NMSA. |
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| AbstractList | Offset Min-Sum Algorithm (OMSA) and Normalized Min-Sum Algorithm (NMSA) are widely used in commercial LDPC decoders due to low complexity and reasonable performance. In this paper we proposes an Adaptive Layered Offset min- sum algorithm for the decoding of LDPC codes, which utilizes an adaptive offset factor to improve the accuracy of the soft information transferred during the iterative decoding process, and it provides good performance accordingly. The performed simulations showed that the layered offset min-sum decoding for LDPC codes can provide significant improvement compared to existing MS based algorithm, OMSA and NMSA. |
| Author | Foshi, Jaouad Maammar, Nejwa El Bri, Seddik |
| Author_xml | – sequence: 1 givenname: Nejwa El surname: Maammar fullname: Maammar, Nejwa El organization: Electronics, Instrumentation and Measurements, Faculty of Sciences and Technologies, Moulay Ismail University, Errachidia, Morocco – sequence: 2 givenname: Seddik surname: Bri fullname: Bri, Seddik organization: Materials and Instrumentation (MIN), High School of Technology Moulay, Ismail University, Meknes, Morocco – sequence: 3 givenname: Jaouad surname: Foshi fullname: Foshi, Jaouad organization: Electronics, Instrumentation and Measurements, Faculty of Sciences and Technologies, Moulay Ismail University, Errachidia, Morocco |
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| Snippet | Offset Min-Sum Algorithm (OMSA) and Normalized Min-Sum Algorithm (NMSA) are widely used in commercial LDPC decoders due to low complexity and reasonable... |
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| SubjectTerms | Approximation algorithms AWGN Complexity theory Decoding Iterative decoding Min-sum Normalized min-sum Offset min-sum Rayleigh Simulation Sum product algorithm Sum-product |
| Title | Layered Offset Min-Sum Decoding for Low Density Parity Check Codes |
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