Joint Message-Passing Decoding of LDPC Codes and 2-D ISI Channels
Two-dimensional (2-D) intersymbol-interference (ISI) channels represent an important class of next-generation data-storage systems. In order to mitigate the 2-D ISI and improve system performance, a joint message-passing decoding algorithm is proposed in this paper. The proposed algorithm conducts a...
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| Vydáno v: | IEEE transactions on magnetics Ročník 49; číslo 2; s. 675 - 681 |
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| Jazyk: | angličtina |
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New York, NY
IEEE
01.02.2013
Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
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| ISSN: | 0018-9464, 1941-0069 |
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| Abstract | Two-dimensional (2-D) intersymbol-interference (ISI) channels represent an important class of next-generation data-storage systems. In order to mitigate the 2-D ISI and improve system performance, a joint message-passing decoding algorithm is proposed in this paper. The proposed algorithm conducts an iterative decoding of low-density parity-check code and a 2-D ISI channel, which can be implemented in a fully parallel manner. An extrinsic information transfer chart is also introduced to analyze the performance and convergence behavior of the proposed message-passing decoding system. Simulation results show that the proposed joint message-passing decoding algorithm outperforms some existing joint decoding algorithms. |
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| AbstractList | Two-dimensional (2-D) intersymbol-interference (ISI) channels represent an important class of next-generation data-storage systems. In order to mitigate the 2-D ISI and improve system performance, a joint message-passing decoding algorithm is proposed in this paper. The proposed algorithm conducts an iterative decoding of low-density parity-check code and a 2-D ISI channel, which can be implemented in a fully parallel manner. An extrinsic information transfer chart is also introduced to analyze the performance and convergence behavior of the proposed message-passing decoding system. Simulation results show that the proposed joint message-passing decoding algorithm outperforms some existing joint decoding algorithms. |
| Author | Yao, Jun Teh, Kah Chan Li, Kwok Hung |
| Author_xml | – sequence: 1 givenname: Jun surname: Yao fullname: Yao, Jun email: YAOJ0003@e.ntu.edu.sg organization: School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore – sequence: 2 givenname: Kah Chan surname: Teh fullname: Teh, Kah Chan organization: <formula formulatype="inline"><tex Notation="TeX">$^{1}$</tex></formula> School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore – sequence: 3 givenname: Kwok Hung surname: Li fullname: Li, Kwok Hung organization: <formula formulatype="inline"><tex Notation="TeX">$^{1}$</tex></formula> School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore |
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| Keywords | 2-D intersymbol interference (ISI) low-density parity-check (LDPC) code message-passing algorithm Density Iterative decoding Magnetic properties |
| Language | English |
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| SubjectTerms | 2-D intersymbol interference (ISI) Arrays Cross-disciplinary physics: materials science; rheology Exact sciences and technology Iterative decoding Joints low-density parity-check (LDPC) code Magnetism Materials science Maximum likelihood decoding message-passing algorithm Mutual information Other topics in materials science Physics |
| Title | Joint Message-Passing Decoding of LDPC Codes and 2-D ISI Channels |
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