IEICE Trans

Kohichi SAKANIWA

Message Passing Decoder with Decoding on Zigzag Cycles for Non-binary LDPC Codes Takayuki NOZAKI Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/04/01 Vol. E97-A No. 4 pp. 975-984 Type of Manuscript: PAPER Category: Coding Theory Keyword: non-binary LDPC code, error floor, memoryless binary-input output-symmetric, belief propagation decoder, maximum a posteriori decoding,
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Weight Distribution for Non-binary Cluster LDPC Code Ensemble Takayuki NOZAKI Masaki MAEHARA Kenta KASAI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/12/01 Vol. E96-A No. 12 pp. 2382-2390 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: non-binary cluster LDPC code, weight distribution, exponential growth rate,
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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 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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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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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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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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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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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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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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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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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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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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An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions Hiroshi HASEGAWA Toshinori OHTSUKA Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/02/01 Vol. E91-A No. 2 pp. 673-681 Type of Manuscript: PAPER Category: Image Keyword: super-resolution, Huber function, total variation, set-theoretic approach, outer approximation, hybrid steepest descent method,
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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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Fast Acquisition of PN Sequences in DS-CDMA Systems with Incoherent Demodulator Sergei BYCHENKOV Vladimir MIKHAILOV Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/12/01 Vol. E89-B No. 12 pp. 3319-3334 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: fast acquisition, PN sequence, decomposition of sequences, component sequence, DS-CDMA,
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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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Some Classes of Quasi-Cyclic LDPC Codes: Properties and Efficient Encoding Method Hachiro FUJITA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/12/01 Vol. E88-A No. 12 pp. 3627-3635 Type of Manuscript: PAPER Category: Coding Theory Keyword: quasi-cyclic codes, array codes, LDPC codes, encoder, division circuit, SFT codes, Fossorier codes,
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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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Justesen-Type Modified Expander Codes and Their Decoding Algorithm Hachiro FUJITA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/10/01 Vol. E88-A No. 10 pp. 2708-2714 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: expander codes, Justesen codes, Zyablov bound, GMD decoding,
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An Iterative MPEG Super-Resolution with an Outer Approximation of Framewise Quantization Constraint Hiroshi HASEGAWA Toshiyuki ONO Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/09/01 Vol. E88-A No. 9 pp. 2427-2435 Type of Manuscript: PAPER Category: Image Keyword: super-resolution, MPEG video, set-theoretic approach, outer approximation, adaptive projected subgradient method,
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A Subspace Blind Identification Algorithm with Reduced Computational Complexity--Colored Noise Case-- Nari TANABE Toshihiro FURUKAWA Kohichi SAKANIWA Shigeo TSUJII
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/07/01 Vol. E88-A No. 7 pp. 2015-2018 Type of Manuscript: LETTER Category: Digital Signal Processing Keyword: principal component analysis, subspace method, colored observation noise, noise variance, channel order, computational complexity,
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Iterative Decoding Based on the Concave-Convex Procedure Tomoharu SHIBUYA Ken HARADA Ryosuke TOHYAMA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/05/01 Vol. E88-A No. 5 pp. 1346-1364 Type of Manuscript: PAPER Category: Coding Theory Keyword: concave-convex procedure, iterative decoding, Bethe free energy, LDPC codes, belief propagation,
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A Practical Subspace Blind Identification Algorithm with Reduced Computational Complexity Nari TANABE Toshihiro FURUKAWA Kohichi SAKANIWA Shigeo TSUJII
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/12/01 Vol. E87-A No. 12 pp. 3360-3371 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: principal component analysis, autocorrelation, subspace method, eigenvalue and singular-value decomposition, computational complexity, channel order, noise variance,
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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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A Fast Blind Multiple Access Interference Reduction in DS/CDMA Systems Based on Adaptive Projected Subgradient Method Renato L. G. CAVALCANTE Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/08/01 Vol. E87-A No. 8 pp. 1973-1980 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Signal Processing for Communications Keyword: DS/CDMA, multiple access interference (MAI), adaptive projected subgradient method, interference suppression, blind detection,
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Discrete Time-Frequency Projection Filtering Based on an Alias-Free Discrete Time-Frequency Analysis Hiroshi HASEGAWA Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/06/01 Vol. E87-A No. 6 pp. 1537-1545 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: time-frequency analysis, Cohen's class, discrete time and frequency, linear time-varying filtering,
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On Tanner's Lower Bound for the Minimum Distance of Regular LDPC Codes Based on Combinatorial Designs Tomoharu SHIBUYA Masatoshi ONIKUBO Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/10/01 Vol. E86-A No. 10 pp. 2428-2434 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: LDPC codes, the minimum distance Tanner graph, t-design, Steiner system,
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Performance of a Decoding Algorithm for LDPC Codes Based on the Concave-Convex Procedure 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. 2601-2606 Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: LDPC codes, iterative decoding, belief propagation, concave-convex procedure, Bethe free energy,
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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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A Note on Robust Adaptive Volterra Filtering Based on Parallel Subgradient Projection Techniques Isao YAMADA Takuya OKADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/08/01 Vol. E86-A No. 8 pp. 2065-2068 Type of Manuscript: Special Section LETTER (Special Section on Digital Signal Processing) Category: Keyword: nonlinear identification, adaptive filtering, second order Volterra system, parallel subgradient projection,
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A Truncated Polynomial Interpolation and Its Application to Polynomially WLS Design of IIR Filters Hiroshi HASEGAWA Masashi NAKAGAWA Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/07/01 Vol. E86-A No. 7 pp. 1742-1748 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: Walsh's theorem, weighted least-squares approximation, rational approximation, design of IIR filters,
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Construction of Cyclic Codes Suitable for Iterative Decoding via Generating Idempotents Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/04/01 Vol. E86-A No. 4 pp. 928-939 Type of Manuscript: PAPER Category: Coding Theory Keyword: Tanner graphs, cyclic codes, LDPC codes, sum-product algorithm, iterative decoding,
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Fast Acquisition of PN Sequences in DS/CDMA Systems Sergei BYCHENKOV Vladimir MIKHAILOV Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/11/01 Vol. E85-A No. 11 pp. 2498-2520 Type of Manuscript: PAPER Category: Communication Theory and Signals Keyword: fast acquisition, PN sequence, decomposition of sequences, component sequence, DS/CDMA,
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A Higher Order Generalization of an Alias-Free Discrete Time-Frequency Analysis Hiroshi HASEGAWA Yasuhiro MIKI Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/08/01 Vol. E85-A No. 8 pp. 1774-1780 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Theory of Signals Keyword: time-frequency analysis, higher order moment spectra, discrete-time & frequency, kernel design, hybrid steepest descent method,
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A Note on a Lower Bound for Generalized Hamming Weights Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/12/01 Vol. E84-A No. 12 pp. 3138-3145 Type of Manuscript: PAPER Category: Coding Theory Keyword: generalized Hamming weight, well-behaving, cyclic codes, generalized Griesmer bound, BCH bound,
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Fast Encoding of Algebraic Geometry Codes Ryutaroh MATSUMOTO Masakuni OISHI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/10/01 Vol. E84-A No. 10 pp. 2514-2517 Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: encoder, one-point algebraic geometry code,
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A Dual of Well-Behaving Type Designed Minimum Distance Tomoharu SHIBUYA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/02/01 Vol. E84-A No. 2 pp. 647-652 Type of Manuscript: PAPER Category: Coding Theory Keyword: designed minimum distance, Feng-Rao bound, order bound, generalized Hamming weight, algebraic geometry codes,
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A Design of Near Perfect Reconstruction Linear-Phase QMF Banks Based on Hybrid Steepest Descent Method Hiroshi HASEGAWA Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/08/25 Vol. E83-A No. 8 pp. 1523-1530 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Filter Banks Keyword: two-channel linear phase FIR QMF bank, near perfect reconstruction, convex projection technique, hybrid steepest descent method, magnitude product space,
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A Simple Nonlinear Pre-Filtering for a Set-Theoretic Linear Blind Deconvolution Scheme Masanori KATO Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/08/25 Vol. E83-A No. 8 pp. 1651-1653 Type of Manuscript: Special Section LETTER (Special Section on Digital Signal Processing) Category: Multidimensional Signal Processing Keyword: blind image deconvolution, restoration filter, hybrid steepest descent method, nonlinear pre-filtering, ε-filter,
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An Associative Memory Neural Network to Recall Nearest Pattern from Input Isao YAMADA Satoshi IINO Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/12/25 Vol. E82-A No. 12 pp. 2811-2817 Type of Manuscript: PAPER Category: Neural Networks Keyword: associative memory, neural network, dual cone, Dykstra's algorithm, fixed point theorem for nonexpansive mappings,
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FOREWORD Akira OGAWA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/10/25 Vol. E82-A No. 10 pp. 1997-1997 Type of Manuscript: FOREWORD Category: Keyword:
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A Set-Theoretic Blind Image Deconvolution Based on Hybrid Steepest Descent Method Masanori KATO Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/08/25 Vol. E82-A No. 8 pp. 1443-1449 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Keyword: blind image restoration, blind image deconvolution, convex projection, hybrid steepest descent method,
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A Lower Bound for Generalized Hamming Weights and a Condition for t-th Rank MDS Tomoharu SHIBUYA Ryo HASEGAWA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/06/25 Vol. E82-A No. 6 pp. 1090-1101 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: generalized Hamming weights, t-th rank MDS, Reed-Solomon codes, Reed-Muller codes, codes on affine algebraic variety, AG codes on C_ab,
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FOREWORD Masayuki TANIMOTO Kohichi SAKANIWA Kiyoharu AIZAWA Kazuyoshi OSHIMA Kiyomi KUMOZAKI Shuji TASAKA Yoichi MAEDA Takeshi MIZUIKE Mikio YAMASHITA Hideaki YAMANAKA Koichiro WAKASUGI Masaaki KATAYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/12/25 Vol. E81-B No. 12 pp. 2253-2256 Type of Manuscript: FOREWORD Category: Keyword:
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Improvement of Extended Symbol-Aided Estimation for Rayleigh Fading Channels Kazunari GENKO Le-Hai NAM Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/10/25 Vol. E81-A No. 10 pp. 2073-2082 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Spread Spectrum System Keyword: fading channels, fading estimation, pilot symbol, symbol-aided estimation,
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On Generalized Hamming Weights of Codes Constructed on Affine Algebraic Varieties Tomoharu SHIBUYA Jiro MIZUTANI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/10/25 Vol. E81-A No. 10 pp. 1979-1989 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: generalized Hamming weights, codes on affine algebraic varieties, codes on C_ab, Grobner basis, monomial order,
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A Note on Constrained Least Squares Design of M-D FIR Filter Based on Convex Projection Techniques Isao YAMADA Hiroshi HASEGAWA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/08/25 Vol. E81-A No. 8 pp. 1586-1591 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Keyword: multidimensional FIR filter, constrained least squares design, convex projection, Dykstra's algorithm,
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An Analysis of a 16QAM System Using Extended Symbol-Aided Estimation under Rician Fading Channels Le-Hai NAM Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/06/25 Vol. E81-A No. 6 pp. 1276-1283 Type of Manuscript: PAPER Category: Communication Theory and Signals Keyword: Rician fading, 16QAM, pilot symbol, fading estimation, extended symbol-aided estimation,
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Simple Estimation for the Dimension of Subfield Subcodes of AG Codes Tomoharu SHIBUYA Ryutaroh MATSUMOTO Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/11/25 Vol. E80-A No. 11 pp. 2058-2065 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: algebraic geometric code, dimension of subfield subcode, class of algebraic curve C_ab,
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Extended Symbol-Aided Estimation for Non-selective Rayleigh Fading Channels Le-Hai NAM Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/11/25 Vol. E80-A No. 11 pp. 2144-2154 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Communications/Coded Modulation/Spread Spectrum Keyword: fading channels, pilot symbol, fading estimation, symbol-aided estimation,
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An Improved Bound for the Dimension of Subfield Subcodes Tomoharu SHIBUYA Ryutaroh MATSUMOTO Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/05/25 Vol. E80-A No. 5 pp. 876-880 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: dimension of subfield subcode, BCH code, algebraic geometric code,
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A Fast Neural Network Learning with Guaranteed Convergence to Zero System Error Teruo AJIMURA Isao YAMADA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/09/25 Vol. E79-A No. 9 pp. 1433-1439 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Stochastic Process/Learning Keyword: neural network, local minimum, dimension expansion, zero system error,
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On the Performance of Algebraic Geometric Codes Tomoharu SHIBUYA Hajime JINUSHI Shinji MIURA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/06/25 Vol. E79-A No. 6 pp. 928-937 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: algebraic geometric code, class of algebraic curve C_ab, Feng-Rao designed distance, BCH code, BCH bound,
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A Decoding Algorithm and Some Properties of Böinck and Tilborg's t-EC/AUED Code Kenji YOSHIDA Hajime JINUSHI Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1993/09/25 Vol. E76-A No. 9 pp. 1535-1536 Type of Manuscript: LETTER Category: Information Theory and Coding Theory Keyword: t-EC/AUED codes, symumetric error, unidirectional error, burst-error, decoding algorithm,
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Effect of Asymmetric Error Correcting Codes in Photon Communication Systems Tomohiko UYEMATSU Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1988/09/25 Vol. E71-E No. 9 pp. 850-857 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword:
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On Classes of Novel Quantum State for Attenuation Process Tomohiko UYEMATSU Osamu HIROTA Kohichi SAKANIWA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1987/04/25 Vol. E70-E No. 4 pp. 385-388 Type of Manuscript: LETTER Category: Optical Communication Keyword:
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A Design Method for Transversal Filters with Nonuniform Tap Spacings Based on the Mean Square Error Criterion Tomohiko UYEMATSU Kohichi SAKANIWA Genya KISHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1985/05/25 Vol. E68-E No. 5 pp. 341-342 Type of Manuscript: LETTER Category: Circuit Theory Keyword:
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