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Kenta KASAI

Analysis of Error Floors for Non-binary LDPC Codes over General Linear Group through q-Ary Memoryless Symmetric Channels Takayuki NOZAKI Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/12/01 Vol. E95-A No. 12 pp. 2113-2121 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: non-binary LDPC code, error floor, q-ary memoryless symmetric channel, belief propagation,
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Simple Nonbinary Coding Strategy for Very Noisy Relay Channels Puripong SUTHISOPAPAN Kenta KASAI Anupap MEESOMBOON Virasit IMTAWIL Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/12/01 Vol. E95-A No. 12 pp. 2122-2129 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: nonbinary LDPC code, multiplicative repetition, decode-and-forward, half duplex relaying, relay channel, very noisy relay channel,
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Analysis of Error Floors of Non-binary LDPC Codes over BEC Takayuki NOZAKI Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/01/01 Vol. E95-A No. 1 pp. 381-390 Type of Manuscript: PAPER Category: Coding Theory Keyword: non-binary LDPC codes, error floors, belief propagation,
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Analysis of Error Floors of Non-binary LDPC Codes over MBIOS Channel Takayuki NOZAKI Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2144-2152 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: non-binary LDPC code, error floor, MBIOS channel,
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Design and Performance of Rate-Compatible Non-binary LDPC Convolutional Codes Hironori UCHIKAWA Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2135-2143 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: non-binary LDPC codes, LDPC convolutional codes, rate-compatibility,
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Spatially Coupled Protograph-Based LDPC Codes for Decode-and-Forward in Erasure Relay Channel Hironori UCHIKAWA Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2127-2134 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: spatially coupled codes, protograph-based LDPC codes, relay, erasure channel,
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Spatially-Coupled MacKay-Neal Codes and Hsu-Anastasopoulos Codes Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2161-2168 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: spatial coupling, LDPC code, iterative decoding,
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Analysis of Stopping Constellation Distribution for Irregular Non-binary LDPC Code Ensemble Takayuki NOZAKI Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2153-2160 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: non-binary LDPC codes, stopping constellation,
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Weight Distributions of Non-binary LDPC Codes Kenta KASAI Charly POULLIAT David DECLERCQ Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/04/01 Vol. E94-A No. 4 pp. 1106-1115 Type of Manuscript: PAPER Category: Coding Theory Keyword: non-binary low-density parity-check code, weight distribution, Galois fields,
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Fourier Domain Decoding Algorithm of Non-binary LDPC Codes for Parallel Implementation Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/11/01 Vol. E93-A No. 11 pp. 1949-1957 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: LDPC code, non-binary LDPC codes, belief propagation, Galois field, iterative decoding,
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Weight Distributions of Multi-Edge Type LDPC Codes Kenta KASAI Tomoharu AWANO David DECLERCQ Charly POULLIAT Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/11/01 Vol. E93-A No. 11 pp. 1942-1948 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: low-density parity-check code, structured codes, weight distributions,
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Detailed Evolution of Degree Distributions in Residual Graphs with Joint Degree Distributions Takayuki NOZAKI Kenta KASAI Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/10/01 Vol. E91-A No. 10 pp. 2737-2744 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: detailedly represented irregular LDPC code ensembles, evolution of degree distributions in residual graphs, peeling algorithm, binary erasure channel,
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Average Bit Erasure Probability of Regular LDPC Code Ensembles under MAP Decoding over BEC Takayuki ITSUI Kenta KASAI Ryoji IKEGAYA Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/09/01 Vol. E90-A No. 9 pp. 1763-1771 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Keyword: regular LDPC code ensemble, a-posteriori probability decoding, binary erasure channel, EXIT function, shortened information function, support weight distribution,
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Performance of Standard Irregular LDPC Codes under Maximum Likelihood Decoding Ryoji IKEGAYA Kenta KASAI Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/07/01 Vol. E90-A No. 7 pp. 1432-1443 Type of Manuscript: PAPER Category: Coding Theory Keyword: low-density parity-check (LDPC) code, maximum-likelihood decoding, standard irregular LDPC code ensemble, block error probability,
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Sufficient Conditions for a Regular LDPC Code Better than an Irregular LDPC Code Shinya MIYAMOTO Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/02/01 Vol. E90-A No. 2 pp. 531-534 Type of Manuscript: LETTER Category: Coding Theory Keyword: Low-Density Parity-Check codes, Density Evolution, BEC, Belief Propagation, BSC, Gallager's algorithm,
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Design of Irregular Repeat Accumulate Codes with Joint Degree Distributions Kenta KASAI Shinya MIYAMOTO Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/11/01 Vol. E89-A No. 11 pp. 3351-3354 Type of Manuscript: LETTER Category: Coding Theory Keyword: irregular repeat accumulate codes, joint degree distribution, iterative decoding, density evolution, belief propagation,
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Average Coset Weight Distribution of Multi-Edge Type LDPC Code Ensembles Kenta KASAI Yuji SHIMOYAMA Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/10/01 Vol. E89-A No. 10 pp. 2519-2525 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: average coset weight distribution, low-density parity-check codes, multi-edge type low-density parity-check codes, symmetry, weight distribution,
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Weight and Stopping Set Distributions of Two-Edge Type LDPC Code Ensembles Ryoji IKEGAYA Kenta KASAI Yuji SHIMOYAMA Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/10/01 Vol. E88-A No. 10 pp. 2745-2761 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: two-edge type LDPC code, weight distribution, stopping set distribution, belief propagation, error performance,
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Asymptotic Weight and Stopping Set Distributions for Detailedly Represented Irregular LDPC Code Ensembles Ryoji IKEGAYA Kenta KASAI Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/10/01 Vol. E87-A No. 10 pp. 2484-2492 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: weight distribution, stopping set distribution, detailedly represented irregular LDPC code ensemble,
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Detailedly Represented Irregular Low-Density Parity-Check Codes Kenta KASAI Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/10/01 Vol. E86-A No. 10 pp. 2435-2444 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: density evolution, irregular low-density parity-check codes, low-density parity-check codes, belief propagation,
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