Hideki YAGI


InP-Based Photodetectors Monolithically Integrated with 90° Hybrid toward Over 400Gb/s Coherent Transmission Systems
Hideki YAGI Takuya OKIMOTO Naoko INOUE Koji EBIHARA Kenji SAKURAI Munetaka KUROKAWA Satoru OKAMOTO Kazuhiko HORINO Tatsuya TAKEUCHI Kouichiro YAMAZAKI Yoshifumi NISHIMOTO Yasuo YAMASAKI Mitsuru EKAWA Masaru TAKECHI Yoshihiro YONEDA 
Publication:   
Publication Date: 2019/04/01
Vol. E102-C  No. 4  pp. 347-356
Type of Manuscript:  INVITED PAPER (Special Section on Progress in Optical Device Technology for Increasing Data Transmission Capacity)
Category: 
Keyword: 
digital coherent transmissionInP90° hybridmultimode interference structurep-i-n photodiode
 Summary | Full Text:PDF(2MB)

Construction of Locally Repairable Codes with Multiple Localities Based on Encoding Polynomial
Tomoya HAMADA Hideki YAGI 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2047-2054
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding theory and techniques
Keyword: 
locally repairable codesmultiple localitieslocalitydistributed storage systemerror correcting codes
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On the DS2 Bound for Forney's Generalized Decoding Using Non-Binary Linear Block Codes
Toshihiro NIINOMI Hideki YAGI Shigeichi HIRASAWA 
Publication:   
Publication Date: 2018/08/01
Vol. E101-A  No. 8  pp. 1223-1234
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
decision feedbackgeneralized decodinglinear block codeDS2 boundShulman-Feder bound
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Variable-Length Coding with Cost Allowing Non-Vanishing Error Probability
Hideki YAGI Ryo NOMURA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-A  No. 8  pp. 1683-1692
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
coding with costweak variable-length codingcoding theoremgeneral sourceinformation spectrum
 Summary | Full Text:PDF(634.2KB)

Reliability Function and Strong Converse of Biometrical Identification Systems Based on List-Decoding
Vamoua YACHONGKA Hideki YAGI 
Publication:   
Publication Date: 2017/05/01
Vol. E100-A  No. 5  pp. 1262-1266
Type of Manuscript:  LETTER
Category: Information Theory
Keyword: 
biometrical identification systemidentification capacityerror probabilityreliability functionstrong converse
 Summary | Full Text:PDF(253.7KB)

InP-Based Monolithic Integration Technologies for 100/200Gb/s Pluggable Coherent Transceivers
Hideki YAGI Yoshihiro YONEDA Mitsuru EKAWA Hajime SHOJI 
Publication:   
Publication Date: 2017/02/01
Vol. E100-C  No. 2  pp. 179-186
Type of Manuscript:  INVITED PAPER (Special Section on Fabrication Technologies Supporting the Photonic/Nanostructure Devices)
Category: 
Keyword: 
coherent transmissionInPDP-IQ modulator90° hybridp-i-n photodiode
 Summary | Full Text:PDF(2.2MB)

Adaptive Decoding Algorithms for Low-Density Parity-Check Codes over the Binary Erasure Channel
Gou HOSOYA Hideki YAGI Manabu KOBAYASHI Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2418-2430
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
low-density parity-check codebelief-propagation decodingbinary erasure channelstopping set
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Fingerprinting Codes for Multimedia Data against Averaging Attack
Hideki YAGI Toshiyasu MATSUSHIMA Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1  pp. 207-216
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Application
Keyword: 
fingerprinting codesaveraging attackfinite geometrylow-density matrixmultimedia
 Summary | Full Text:PDF(260.7KB)

Density Evolution Analysis of Robustness for LDPC Codes over the Gilbert-Elliott Channel
Manabu KOBAYASHI Hideki YAGI Toshiyasu MATSUSHIMA Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 2754-2764
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
LDPC codesdensity evolutionGilbert-Elliott channelrobustness
 Summary | Full Text:PDF(391.7KB)

A Method for Grouping Symbol Nodes of Group Shuffled BP Decoding Algorithm
Yoshiyuki SATO Gou HOSOYA Hideki YAGI Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 2745-2753
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
low-density parity-check codebelief propagation decodingshuffled BP decodingTanner graphsymbol nodes grouping method
 Summary | Full Text:PDF(547.8KB)

A Generalization of the Parallel Error Correcting Codes by Allowing Some Random Errors
Hideki YAGI Toshiyasu MATSUSHIMA Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/09/01
Vol. E90-A  No. 9  pp. 1745-1753
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
multiple access channelparallel channelcode constructionerror-correcting codelinear block code
 Summary | Full Text:PDF(284.6KB)

Fast Algorithm for Generating Candidate Codewords in Reliability-Based Maximum Likelihood Decoding
Hideki YAGI Toshiyasu MATSUSHIMA Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2676-2683
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
maximum likelihood decodingbinary block codespriority-first searchmost reliable basisreliability
 Summary | Full Text:PDF(134.8KB)

A Modification Method for Constructing Low-Density Parity-Check Codes for Burst Erasures
Gou HOSOYA Hideki YAGI Toshiyasu MATSUSHIMA Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2501-2509
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
low-density parity-check (LDPC) codeburst erasuresum-product decodingstopping set
 Summary | Full Text:PDF(533.3KB)

A Heuristic Search Method with the Reduced List of Test Error Patterns for Maximum Likelihood Decoding
Hideki YAGI Toshiyasu MATSUSHIMA Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10  pp. 2721-2733
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
maximum likelihood decodingbinary block codesheuristic searchmost reliable basisreliability
 Summary | Full Text:PDF(250.2KB)

An Improved Method of Reliability-Based Maximum Likelihood Decoding Algorithms Using an Order Relation among Binary Vectors
Hideki YAGI Manabu KOBAYASHI Toshiyasu MATSUSHIMA Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2493-2502
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
maximum likelihood decodingsoft decision decodingreliability measurelinear block codesorder relation
 Summary | Full Text:PDF(262.2KB)

Complexity Reduction of the Gazelle and Snyders Decoding Algorithm for Maximum Likelihood Decoding
Hideki YAGI Manabu KOBAYASHI Shigeichi HIRASAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2461-2472
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
maximum likelihood decodinginformation set decodingmost reliable basisreliability measurelinear block codes
 Summary | Full Text:PDF(342.4KB)

Frame Operator Approach for Designing Discrete-Time Multiple Short-Time Fourier Transform and Its Time-Frequency Distribution
Shigeo WADA Hideki YAGI Hiroshi INABA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/06/25
Vol. E80-A  No. 6  pp. 977-986
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing Theories and Applications Based on Modelling of Nonstationary Processes)
Category: 
Keyword: 
short-time Fourier transformframe operatormultirate systemspectrogram
 Summary | Full Text:PDF(663.3KB)