Takahiro MATSUMOTO


A Compact Matched Filter Bank for an Optical ZCZ Sequence Set with Zero-Correlation Zone 2z
Yasuaki OHIRA Takahiro MATSUMOTO Hideyuki TORII Yuta IDA Shinya MATSUFUJI 
Publication:   
Publication Date: 2018/01/01
Vol. E101-A  No. 1  pp. 195-198
Type of Manuscript:  Special Section LETTER (Special Section on Wideband Systems)
Category: 
Keyword: 
optical communicationoptical M-ary spread spectrum (M-ary/SS) systemoptical zero-correlation zone (ZCZ) sequencematched filter bank (MFB)field-programmable gate array (FPGA)
 Summary | Full Text:PDF(475.9KB)

BER Performance of SS System Using a Huffman Sequence against CW Jamming
Takahiro MATSUMOTO Hideyuki TORII Yuta IDA Shinya MATSUFUJI 
Publication:   
Publication Date: 2018/01/01
Vol. E101-A  No. 1  pp. 167-175
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
spread-spectrum (SS) systemfinite-length sequenceHuffman sequenceintersymbol interference (ISI)continuous wave interference (CWI)additive white Gaussian noise (AWGN)
 Summary | Full Text:PDF(1.1MB)

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
 Summary | Full Text:PDF(1.8MB)

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)

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)

Extension of Methods for Constructing Polyphase Asymmetric ZCZ Sequence Sets
Hideyuki TORII Takahiro MATSUMOTO Makoto NAKAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/11/01
Vol. E96-A  No. 11  pp. 2244-2252
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
asymmetric ZCZ sequence setsoptimal ZCZ sequence setsquasi-optimal ZCZ sequence setsAS-CDMAspreading sequences
 Summary | Full Text:PDF(325KB)

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)

Zero-Cross-Correlation Properties of Asymmetric ZCZ Sequence Sets
Kosuke OMATA Hideyuki TORII Takahiro MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 1926-1930
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
asymmetric ZCZ sequence setszero-cross-correlation zoneAS-CDMAZCZ sequence setsspreading sequences
 Summary | Full Text:PDF(84.7KB)

A New Method for Constructing Asymmetric ZCZ Sequence Sets
Hideyuki TORII Takahiro MATSUMOTO Makoto NAKAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/09/01
Vol. E95-A  No. 9  pp. 1577-1586
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
asymmetric ZCZ sequence setsquasi-optimal ZCZ sequence setsAS-CDMAspreading sequencesspread spectrum communication
 Summary | Full Text:PDF(335.3KB)

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)

Compact Matched Filter for Integrand Code Using a Real-Valued Shift-Orthogonal Finite-Length Sequence
Takahiro MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2328-2331
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and its Application in Communications)
Category: Digital Signal Processing
Keyword: 
finite length sequencereal-valued sequenceintegrand codematched filterfield programmable gate array
 Summary | Full Text:PDF(239.1KB)

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)

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)

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)