Tetsuya KOJIMA


Hadamard-Type Matrices on Finite Fields and Complete Complementary Codes
Tetsuya KOJIMA 
Publication:   
Publication Date: 2019/12/01
Vol. E102-A  No. 12  pp. 1651-1658
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Sequences
Keyword: 
Hadamard-type matrixfinite fieldcyclic groupmultiplicative inversecomplete complementary code
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Some Evaluations on a Digital Watermarking Technique for Music Data Using Distortion Effect
Yuto MATSUNAGA Tetsuya KOJIMA Naofumi AOKI Yoshinori DOBASHI Tsuyoshi YAMAMOTO 
Publication:   
Publication Date: 2019/06/01
Vol. E102-D  No. 6  pp. 1119-1125
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
digital watermarksound synthesissound effectdistortion effect
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FOREWORD
Pingzhi FAN Tetsuya KOJIMA 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2327-2327
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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FOREWORD
Tetsuya KOJIMA Xiaohu TANG Udaya PARAMPALLI 
Publication:   
Publication Date: 2017/04/01
Vol. E100-A  No. 4  pp. 920-921
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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Orthogonal and ZCZ Sets of Real-Valued Periodic Orthogonal Sequences from Huffman Sequences
Takahiro MATSUMOTO Shinya MATSUFUJI Tetsuya KOJIMA Udaya PARAMPALLI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2728-2736
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
periodic sequencefinite-length sequenceHuffman sequenceorthogonal setZCZ setfast correlation algorithm
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Properties of a Convoluted-Time and Code Division Multiple Access Communication Systems Based upon Complete Complementary Codes
Tetsuya KOJIMA Masahiro AONO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 2881-2884
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Spectrum Technologies
Keyword: 
CDMACT-CDMAcomplete complementary code
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Comparison of the Two Signal Design Methods in the CDMA Systems Using Complete Complementary Codes
Tetsuya KOJIMA Akiko FUJIWARA Kenji YANO Masahiro AONO Naoki SUEHIRO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/09/01
Vol. E89-A  No. 9  pp. 2299-2306
Type of Manuscript:  Special Section PAPER (Special Section on Sequence Design and its Application in Communications)
Category: 
Keyword: 
CDMAcomplete complementary codesignal designbit error rate
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