Masato TAJIMA


Initial (Final) State Estimation in Error-Trellises for Tail-Biting Convolutional Codes
Masato TAJIMA Koji OKINO Tatsuto MURAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/03/01
Vol. E97-A  No. 3  pp. 881-887
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
tail-biting convolutional codestail-biting error-trellisinitial (final) state estimation
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Simultaneous Code/Error-Trellis Reduction for Convolutional Codes Using Shifted Code/Error-Subsequences
Masato TAJIMA Koji OKINO Takashi MIYAGOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2894-2899
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
convolutional codesshifted code/error-subsequencereduced code/error-trellis
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Error-Trellis Construction for Convolutional Codes Using Shifted Error/Syndrome-Subsequences
Masato TAJIMA Koji OKINO Takashi MIYAGOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/08/01
Vol. E92-A  No. 8  pp. 2086-2096
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
convolutional codessyndrome formererror-trelliserror/syndrome-subsequencetrellis complexity
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Minimal Code(Error)-Trellis Module Construction for Rate-k/n Convolutional Codes: Extension of Yamada-Harashima-Miyakawa's Construction
Masato TAJIMA Koji OKINO Takashi MIYAGOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/11/01
Vol. E90-A  No. 11  pp. 2629-2634
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
convolutional codessyndrome formerminimal code(error)-trellis moduletrellis complexity
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State-Complexity Reduction for Convolutional Codes Using Trellis-Module Integration
Masato TAJIMA Koji OKINO Takashi MIYAGOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2466-2474
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
convolutional codescode trellistrellis-module integrationminimal trellistrellis complexity
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On the Equivalence Between Scarce-State-Transition Viterbi Decoding and Syndrome Decoding of Convolutional Codes
Masato TAJIMA Keiji SHIBATA Zenshiro KAWASAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 2107-2116
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
convolutional codessyndrome decodingSST Viterbi decodingtrellis modulemetric
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Relational Interface for Natural Language-Based Information Sources
Zenshiro KAWASAKI Keiji SHIBATA Masato TAJIMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/06/01
Vol. E86-D  No. 6  pp. 1139-1143
Type of Manuscript:  LETTER
Category: Databases
Keyword: 
relational modelSQLnatural language interfacelanguage modelQA
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Soft-in Syndrome Decoding of Convolutional Codes
Masato TAJIMA Keiji SHIBATA Zenshiro KAWASAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/08/01
Vol. E85-A  No. 8  pp. 1979-1983
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
convolutional codesyndrome decodingmetricpriori probabilitysoft-in/soft-out decoding
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On the Relation between Viterbi Decoding with Labels and the SOVA
Masato TAJIMA Keiji TAKIDA Zenshiro KAWASAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/10/25
Vol. E83-A  No. 10  pp. 1966-1970
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
symbol reliabilityViterbi decoding with labelsSOVAlist Viterbi decoding algorithm
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Comments on Simplification of the BCJR Algorithm Using the Bidirectional Viterbi Algorithm
Masato TAJIMA Keiji TAKIDA Zenshiro KAWASAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/10/25
Vol. E82-A  No. 10  pp. 2306-2310
Type of Manuscript:  LETTER
Category: Information Theory and Coding Theory
Keyword: 
symbol reliabilityBCJR algorithmsimplification of the BCJR algorithmbidirectional Viterbi algorithm
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Bidirectional Syndrome Decoding for Binary Rate (n-1)/n Convolutional Codes
Masato TAJIMA Keiji TAKIDA Zenshiro KAWASAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/03/25
Vol. E81-A  No. 3  pp. 510-513
Type of Manuscript:  LETTER
Category: Information Theory and Coding Theory
Keyword: 
bidirectional decodingsyndrome decodingsyndrome formerconvolutional codereciprocal dual code
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On the Structure of an SST Viterbi Decoder for General Rate (n-1)/n Convolutional Codes Viewed in the Light of Syndrome Decoding
Masato TAJIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/09/25
Vol. E79-A  No. 9  pp. 1447-1449
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
convolutional codenon-systematic codeViterbi decodingsyndrome decodingSST Viterbi decoder
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SST Viterbi Decoder Branch Metric Computation Based on MAP Estimation Method
Masato TAJIMA Hideo SUZUKI Kenzo KOBAYASHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/05/25
Vol. E72-E  No. 5  pp. 485-493
Type of Manuscript:  Special Section PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
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