Takuya KUSAKA


The Weight Distributions of the (256, k) Extended Binary Primitive BCH Codes with k≤71 and k≥187
Toru FUJIWARA Takuya KUSAKA 
Publication:   
Publication Date: 2021/09/01
Vol. E104-A  No. 9  pp. 1321-1328
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
BCH codeweight distributionautomorphism group of codeaffine permutationSIMD
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Improvement of Final Exponentiation for Pairings on BLS Curves with Embedding Degree 15
Yuki NANJO Masaaki SHIRASE Takuya KUSAKA Yasuyuki NOGAMI 
Publication:   
Publication Date: 2021/01/01
Vol. E104-A  No. 1  pp. 315-318
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
pairing-based cryptographyBLS curvesfinal exponentiation
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A Construction Method of an Isomorphic Map between Quadratic Extension Fields Applicable for SIDH
Yuki NANJO Masaaki SHIRASE Takuya KUSAKA Yasuyuki NOGAMI 
Publication:   
Publication Date: 2020/12/01
Vol. E103-A  No. 12  pp. 1403-1406
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
post-quantum cryptographySIDHquadratic extension field
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Algebraic Group Structure of the Random Number Generator: Theoretical Analysis of NTU Sequence(s)
Yuta KODERA Md. Arshad ALI Takeru MIYAZAKI Takuya KUSAKA Yasuyuki NOGAMI Satoshi UEHARA Robert H. MORELOS-ZARAGOZA 
Publication:   
Publication Date: 2019/12/01
Vol. E102-A  No. 12  pp. 1659-1667
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Sequences
Keyword: 
group structurepseudorandom number generatorNTU sequence
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Distribution of Digit Patterns in Multi-Value Sequence over the Odd Characteristic Field
Yuta KODERA Takeru MIYAZAKI Md. Al-Amin KHANDAKER Md. Arshad ALI Takuya KUSAKA Yasuyuki NOGAMI Satoshi UEHARA 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1525-1536
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
tracelegendre symbolNTU sequencedistribution of digit patterns
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An Extended Generalized Minimum Distance Decoding for Binary Linear Codes on a 4-Level Quantization over an AWGN Channel
Shunsuke UEDA Ken IKUTA Takuya KUSAKA Md. Al-Amin KHANDAKER Md. Arshad ALI Yasuyuki NOGAMI 
Publication:   
Publication Date: 2018/08/01
Vol. E101-A  No. 8  pp. 1235-1244
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
GMD decodingquantizationAWGNbinary linear codes
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Analysis of a Sufficient Condition on the Optimality of a Decoded Codeword of Soft-Decision Decodings for Binary Linear Codes on a 4-Level Quantization over an AWGN Channel
Takuya KUSAKA 
Publication:   
Publication Date: 2018/03/01
Vol. E101-A  No. 3  pp. 570-576
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
sufficient conditionoptimalityquantizationAWGNbinary linear codes
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A Study on the Error Performance of Soft-Decision Decodings for Binary Linear Codes on a 4-Level Quantization over an AWGN Channel
Takuya KUSAKA 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 3016-3022
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
quantizationerror performanceAWGNbinary linear codes
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A Recursive Method for Vector Generation in Non-increasing Order of Its Likelihood for All Binary Vectors and Its Application for Linear Block Code Decodings
Takuya KUSAKA Ryuhei YOKOYAMA Toru FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/04/01
Vol. E95-A  No. 4  pp. 801-810
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
binary vectorrecursive algorithmMLDsoft-decisionenumeration
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