Hiromasa HABUCHI


Theoretical Analysis on Bit Error Rate of Visible-Light Variable N-Parallel Code-Shift-Keying
Keisuke OSAWA Hiromasa HABUCHI Yusuke KOZAWA 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2352-2358
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Communication Theory and Signals
Keyword: 
lighting constrained visible-light communicationslight emitting diodecode-shift-keyingmodified prime sequence codedimming control
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FOREWORD
Hiromasa HABUCHI 
Publication:   
Publication Date: 2017/01/01
Vol. E100-A  No. 1  pp. 184-184
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

FOREWORD
Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/01/01
Vol. E99-A  No. 1  pp. 158-158
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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Optical Wireless LDGM-BPPM with Unequal Transmission Power Allocation Scheme
Kyohei SUMIKAWA Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2579-2585
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Communication Theory and Signals
Keyword: 
LDGMoptical wirelessUTPABPPM
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Theoretical Analysis of New PN Code on Optical Wireless Code-Shift-Keying
Yusuke TAKAMARU Sachin RAI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/12/01
Vol. E97-A  No. 12  pp. 2572-2578
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
CSKGMPSCHadamard codePN codeIM/DDoptical wireless communication
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FOREWORD
Makoto ITAMI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/01/01
Vol. E95-A  No. 1  pp. 270-270
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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A Tracking System Using a Differential Detector for M-ary Bi-orthogonal Spread Spectrum Communication Systems
Junya KAWATA Kouji OHUCHI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2737-2745
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
M-ary bi-orthogonal SS systemdifferential detectorjittercanceler
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Optical Wireless N-CSK with Modified Pseudo Orthogonal M-Sequence Sets
Yusuke KOZAWA Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2188-2193
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
optical wireless communicationintensity modulation and direct detectioncode shift keyingmodified pseudo orthogonal M-sequence sets
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Performance of DS/SS System Using Pseudo-Ternary M-Sequences
Ryo ENOMOTO Hiromasa HABUCHI Koichiro HASHIURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2299-2306
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and its Application in Communications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
spreading code sequencespread spectrumsignal trackingdelay-locked loopjitterbit error rate
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A Comparison of Wireless Optical CDMA Systems Using Chip-Level Detection
Yusuke KOZAWA Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2291-2298
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and its Application in Communications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
wireless OCDMAoptical pseudo-noise codechip-level detectionbit error rate performance
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Construction of Orthogonal Overlapping Pulses for Impulse Radio Communications
Masaru KAMADA Semih OZLEM Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3121-3129
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
impulse radioUWBpulse shapingsplines
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Nonorthogonal CSK/CDMA with Received-Power Adaptive Access Control Scheme
Nobuyoshi KOMURO Hiromasa HABUCHI Toshinori TSUBOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 2779-2786
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Theory
Keyword: 
code shift keying (CSK)access controlnonorthogonal sequence
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Embedded Frame Synchronization Method for Pulse Position Modulation System
Fumie ONO Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/06/01
Vol. E89-A  No. 6  pp. 1757-1760
Type of Manuscript:  Special Section LETTER (Special Section on Papers Selected from 2005 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2005))
Category: 
Keyword: 
pulse position modulationframe synchronization
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Design of UWB Pulses in Terms of B-Splines
Mitsuhiro MATSUO Masaru KAMADA Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/09/01
Vol. E88-A  No. 9  pp. 2287-2298
Type of Manuscript:  Special Section PAPER (Special Section on Ultra Wideband Systems)
Category: Pulse Shape
Keyword: 
UWB pulse designsoft-spectrum adaptationB-splines
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A Reasonable Throughput Analysis of the CSK/SSMA Unslotted ALOHA System with Nonorthogonal Sequences
Nobuyoshi KOMURO Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/06/01
Vol. E88-A  No. 6  pp. 1462-1468
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2004 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2004))
Category: 
Keyword: 
spread ALOHA systemcode shift keyingnonorthogonal sequenceCLSP
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Proposal of a Simple Synchronization Method for CSK/SS
Azumi ITO Hiromasa HABUCHI Fumie ONO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/06/01
Vol. E88-A  No. 6  pp. 1455-1461
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2004 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2004))
Category: 
Keyword: 
Code Shift KeyingsynchronizationManchester-codedelay lock looptracking error
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CSK/SSMA ALOHA System with Nonorthogonal Sequences
Nobuyoshi KOMURO Hiromasa HABUCHI Masaru KAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2564-2570
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum Thchnologies and Applications
Keyword: 
DS/SSMA ALOHA systemM-ary/SSMA ALOHA systemcode shift keyingnonorthogonal sequencethroughput performance
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A New Modulation Technique Based on Pulse Position Modulation and Code Shift Keying
Fumie ONO Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2483-2491
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Systems
Keyword: 
spread-spectrum communicationsspread spectrum pulse position modulationpulse position modulationcode shift keyingtime-hopping spread spectrum
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Bi-Orthogonal Modulation Systems Using Two Different Inner Sequences
Kouji OHUCHI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12  pp. 2976-2982
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
bi-orthogonal modulation systemframe synchronizationinner sequencecode shift keyingspectral efficiency
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Performance Comparison of M-Ary/SSMA Systems and DS/SSMA Systems in the Presence of Frequency Selective Fading and Partial-Band Interference
Tsuyoshi ARAI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11  pp. 2319-2326
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrum communication systemfrequency selective fadingmulticarrier transmissionM-ary/SSMA communication
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A Theoretical Analysis of the Synchronous SS-CSC/CDMA System
Kouji OHUCHI Hiromasa HABUCHI Toshio TAKEBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11  pp. 2291-2297
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
synchronous code division multiple access system spread spectrum communication with constrained spreading code system synchronizing spreading sequence
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An Analysis of Frame Synchronization Systems with Racing Counters and Majority Rule for M-ary/SS Communication Systems
Kouji OHUCHI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12  pp. 2406-2412
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
M-ary spread spectrum communication systemM-ary/SSMA systemframe synchronization systemframing chipsracing counters
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A Self-Synchronization Method for the SS-CSC System
Hiromasa HABUCHI Toshio TAKEBAYASHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12  pp. 2398-2405
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
M-ary orthogonal systembi-orthogonal systemself-synchronizationframe synchronizationdifferential detectorracing counters
 Summary | Full Text:PDF

Bit Error Rate of Bi-orthogonal Systems Considering Synchronization Performance
Hiromasa HABUCHI Shun HOSAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 1982-1987
Type of Manuscript:  Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
M-ary orthogonal systemBi-orthogonal systemCode Shift Keyingcancellerbit error ratetracking performance
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Analysis of BER Performance of the Spread Spectrum Communication System with Constrained Spreading Code
Hiromasa HABUCHI Toshio TAKEBAYASHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 2078-2080
Type of Manuscript:  Special Section LETTER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrum communicationM-ary/SS systembi-orthogonal system
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Synchronization Method Using Several Synchronizing Chips for M-ary/SS Communication System
Kouji OHUCHI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 1988-1993
Type of Manuscript:  Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrum communication systemM-ary/SS communication systemframe synchronization systemframing chipsracing counters
 Summary | Full Text:PDF

FOREWORD
Ryuji KOHNO Kazuo TSUBOUCHI Peter JUNG Masakazu SENGOKU Tetsushi IKEGAMI Hisao TACHIKA Yukitsuna FURUYA Yoshiharu TOZAWA Takaaki HASEGAWA Shigenobu SASAKI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 1927-1929
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

A Study on the M–ary/SS Communication System Using a Frame Synchronization Method of PCM Communication Systems
Kouji OHUCHI Hiromasa HABUCHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/11/25
Vol. E77-A  No. 11  pp. 1942-1945
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1994 IEICE Spring Conference)
Category: 
Keyword: 
spread spectrum communication systemM–ary/SS communication systemPCM communication systemframe synchronization methodHadamard matrix
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Influence of Phase Difference between the Groups on BER Performance in the 2M-Plex System
Hiromasa HABUCHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/07/25
Vol. E76-B  No. 7  pp. 748-750
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1992 IEICE Fall Conference and the 1993 IEICE Spring Conference)
Category: 
Keyword: 
spread spectrum communicationcode division multiplexmanchester codecommunication systems and transmission equipment
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