Shinya MATSUFUJI


A Novel Construction of Tree-Structured Zero-Correlation Zone Sequence Sets
Takafumi HAYASHI Yodai WATANABE Takao MAEDA Shinya MATSUFUJI 
Publication:   
Publication Date: 2017/10/01
Vol. E100-A  No. 10  pp. 2187-2194
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
zero-correlation zoneternary sequencebinary treeinter-subset zero-correlation zone
 Summary | Full Text:PDF(437KB)

A Novel Class of Quadriphase Zero-Correlation Zone Sequence Sets
Takafumi HAYASHI Yodai WATANABE Toshiaki MIYAZAKI Anh PHAM Takao MAEDA Shinya MATSUFUJI 
Publication:   
Publication Date: 2017/04/01
Vol. E100-A  No. 4  pp. 953-960
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
optimal zero-correlation zonequadriphaseQS-CDMAAS-CDMA
 Summary | Full Text:PDF(182.1KB)

A Novel Class of Zero-Correlation Zone Sequence Set Having a Low Peak-Factor and a Flat Power Spectrum
Takafumi HAYASHI Yodai WATANABE Anh T. PHAM Toshiaki MIYAZAKI Shinya MATSUFUJI Takao MAEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/12/01
Vol. E98-A  No. 12  pp. 2429-2438
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Sequence
Keyword: 
optimal zero-correlation zonelow peak-factorpseudo-white noiseperfect sequence
 Summary | Full Text:PDF(1.6MB)

Achievement Accurate CSI for AF Relay MIMO/OFDM Based on Complex HTRCI Pilot Signal with Enhanced MMSE Equalization
Yuta IDA Chang-Jun AHN Takahiro MATSUMOTO Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/11/01
Vol. E98-A  No. 11  pp. 2254-2262
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
AF relay transmissionsMIMOOFDMcomplex HTRCI pilot signalenhanced MMSE equalization
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Removing Deep Faded Subcarrier Channel for Cooperative Multiuser Diversity OFDMA Based on Low Granularity Block
Yuta IDA Chang-Jun AHN Takahiro MATSUMOTO Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2586-2594
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Communication Theory and Signals
Keyword: 
multiuser diversity OFDMAlow granularity blockcooperative communicationsdeep faded subcarrier channel
 Summary | Full Text:PDF(2.3MB)

A Compact Matched Filter Bank for a Mutually Orthogonal ZCZ Sequence Set Consisting of Ternary Sequence Pairs
Takahiro MATSUMOTO Hideyuki TORII Yuta IDA Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2595-2600
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
Hadamard sequencezero-correlation zone (ZCZ) sequencemutually orthogonal setmatched filter bankfield-programmable gate array (FPGA)
 Summary | Full Text:PDF(849.4KB)

FOREWORD
Shinya MATSUFUJI Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2540-2541
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(439.1KB)

Low-Peak-Factor Pseudo-White-Noise Sequence Set with Optimal Zero-Correlation Zone
Takafumi HAYASHI Takao MAEDA Shigeru KANEMOTO Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2343-2351
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Theory and Signals
Keyword: 
optimal zero-correlation zonelow peak factorpseudo white noiseperfect sequence
 Summary | Full Text:PDF(1.1MB)

Even-Shift Orthogonal Arrays
Shinya MATSUFUJI Takahiro MATSUMOTO Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 1937-1940
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
sequence designspreading sequencecomplementary sequencescorrelation
 Summary | Full Text:PDF(80KB)

A Generalized Construction Scheme of a Zero-Correlation Zone Sequence Set with a Wide Inter-Subset Zero-Correlation Zone
Takafumi HAYASHI Takao MAEDA Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 1931-1936
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
sequence designspreading sequenceCDMA communicationZCZsynthetic aperture focusinginter-subset ZCZ
 Summary | Full Text:PDF(106.2KB)

FOREWORD
Pingzhi FAN Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 1807-1807
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(435.8KB)

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
 Summary | Full Text:PDF(486.6KB)

A Ternary Zero-Correlation Zone Sequence Set Having Wide Inter-Subset Zero-Correlation Zone
Takafumi HAYASHI Takao MAEDA Shinya MATSUFUJI Satoshi OKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2230-2235
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Sequence
Keyword: 
ternary sequencezero-correlation zoneHadamard matrixinter-subset correlationinter-cellmutually orthogonal complementary sets
 Summary | Full Text:PDF(103KB)

A Generalized Construction of Optimal Zero-Correlation Zone Sequence Set from a Perfect Sequence Pair
Takafumi HAYASHI Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2337-2344
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and its Application in Communications)
Category: Sequences
Keyword: 
sequence designspreading sequenceCDMA communicationZCZsynthetic aperture focusing
 Summary | Full Text:PDF(130.9KB)

On a ZCZ Code Including a Sequence Used for a Synchronization Symbol
Shinya MATSUFUJI Takahiro MATSUMOTO Tomohiro HAYASHIDA Takafumi HAYASHI Noriyoshi KUROYANAGI Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2286-2290
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and its Application in Communications)
Category: Sequences
Keyword: 
ZCZ codematched filtercorrelationCDMAshort-range communications
 Summary | Full Text:PDF(834.5KB)

Constructions of Factorizable Multilevel Hadamard Matrices
Shinya MATSUFUJI Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3404-3406
Type of Manuscript:  LETTER
Category: Spread Spectrum Technologies and Applications
Keyword: 
hadamard matrixfast algorithmternary sequence
 Summary | Full Text:PDF(66.5KB)

Families of Sequence Pairs with Zero Correlation Zone
Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11  pp. 3013-3017
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
sequence designZCZ sequenceorthogonal codeCDMA system
 Summary | Full Text:PDF(116.4KB)

ZCZ Codes for ASK-CDMA System
Shinya MATSUFUJI Takahiro MATSUMOTO Yoshihiro TANADA Noriyoshi KUROYANAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/09/01
Vol. E89-A  No. 9  pp. 2268-2274
Type of Manuscript:  Special Section PAPER (Special Section on Sequence Design and its Application in Communications)
Category: 
Keyword: 
sequence designZCZ sequenceASK-CDMAoptical CDMA
 Summary | Full Text:PDF(226.6KB)

On Optimal Construction of Two Classes of ZCZ Codes
Takafumi HAYASHI Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/09/01
Vol. E89-A  No. 9  pp. 2345-2350
Type of Manuscript:  Special Section LETTER (Special Section on Sequence Design and its Application in Communications)
Category: 
Keyword: 
sequence designspreading sequenceCDMA communicationzero correlation zone
 Summary | Full Text:PDF(104.6KB)

The Bank of Matched Filters for an Optical ZCZ Code Using a Sylvester Type Hadamard Matrix
Takahiro MATSUMOTO Shigeo TSUKIASHI Shinya MATSUFUJI Yoshihiro TANADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/09/01
Vol. E89-A  No. 9  pp. 2292-2298
Type of Manuscript:  Special Section PAPER (Special Section on Sequence Design and its Application in Communications)
Category: 
Keyword: 
optical communicationoptical ZCZ codeM-ary/DS-SS systemmatched filter bankfield programmable gate array
 Summary | Full Text:PDF(425.6KB)

Formalization of Binary Sequence Sets with Zero Correlation Zone
Kenji TAKATSUKASA Shinya MATSUFUJI Yoshihiro TANADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/04/01
Vol. E87-A  No. 4  pp. 887-891
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
sequence designZCZ sequencespread spectrumCDMA system
 Summary | Full Text:PDF(152.4KB)

Two Types of Polyphase Sequence Sets for Approximately Synchronized CDMA Systems
Shinya MATSUFUJI Noriyoshi KUROYANAGI Naoki SUEHIRO Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/01/01
Vol. E86-A  No. 1  pp. 229-234
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
sequence designZCZ sequenceCDMA systemspread spectrum
 Summary | Full Text:PDF(220.9KB)

Ternary ZCZ Sequence Sets for Cellular CDMA Systems
Kenji TAKATSUKASA Shinya MATSUFUJI Yoshiaki WATANABE Noriyoshi KUROYANAGI Naoki SUEHIRO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/09/01
Vol. E85-A  No. 9  pp. 2135-2140
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
sequence designZCZ sequenceinterference parameterCDMA system
 Summary | Full Text:PDF(254.4KB)

A Quadriphase Sequence Pair Whose Aperiodic Auto/Cross-Correlation Functions Take Pure Imaginary Values
Shinya MATSUFUJI Naoki SUEHIRO Noriyoshi KUROYANAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12  pp. 2771-2773
Type of Manuscript:  Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
complementary sequencesbent functioncorrelationsequence designspread spctrum communication
 Summary | Full Text:PDF(129.8KB)

Symmetrical Factorization of Bent Function Type Complex Hadamard Matrices
Shinya MATSUFUJI Naoki SUEHIRO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12  pp. 2765-2770
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
Hadamard matrixfast Hadamard transformbent functionspread spectrum communicationsequence design
 Summary | Full Text:PDF(340.1KB)

On p-Ary Bent Sequences
Shinya MATSUFUJI Kyoki IMAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/09/25
Vol. E78-A  No. 9  pp. 1257-1260
Type of Manuscript:  LETTER
Category: Information Theory and Coding Theory
Keyword: 
bent functionbent sequencebalanced sequenceperiodic correlation
 Summary | Full Text:PDF(225.1KB)

Approximate Odd Periodic Correlation Distributions of Binary Sequences
Shinya MATSUFUJI Kyoki IMAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 842-847
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrum communicationpseudo-random sequenceperiodic correlationperformance evaluation
 Summary | Full Text:PDF(373.1KB)