Takaaki HASEGAWA


Design Differences in Pedestrian Navigation Systems Depending on the Availability of Carriable Navigation Information
Tetsuya MANABE Takaaki HASEGAWA 
Publication:   
Publication Date: 2017/05/01
Vol. E100-A  No. 5  pp. 1197-1205
Type of Manuscript:  PAPER
Category: Intelligent Transport System
Keyword: 
pedestrian navigationroute complexitynormalized travel timeroute deviation ratemultiple regression analysis
 Summary | Full Text:PDF(806.5KB)

A Design Methodology for Positioning Sub-Platform on Smartphone Based LBS
Tetsuya MANABE Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/01/01
Vol. E99-A  No. 1  pp. 297-309
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
systems innovationlocation based servicessmartphone positioningsmartphone basic APIwireless LAN
 Summary | Full Text:PDF(4.4MB)

New Types of Markers and the Integration of M-CubITS Pedestrian WYSIWYAS Navigation Systems for Advanced WYSIWYAS Navigation Environments
Tetsuya MANABE Takaaki HASEGAWA Takashi SERIZAWA Nobuhiro MACHIDA Yuichi YOSHIDA Takayuki FUJIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/01/01
Vol. E99-A  No. 1  pp. 282-296
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
ground-based positioningtextured paving blockinterlocking blockintegrated navigation systemspatial availability
 Summary | Full Text:PDF(6.3MB)

Diffusion of Electric Vehicles and Novel Social Infrastructure from the Viewpoint of Systems Innovation Theory
Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/04/01
Vol. E93-A  No. 4  pp. 672-678
Type of Manuscript:  INVITED PAPER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
systems innovationelectric vehiclebatterydiffusionubiquitous power feeding and authentication payment systemelectric vehicles last 10 m's problemfive principles of systems innovation
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FOREWORD
Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/12/01
Vol. E85-A  No. 12  pp. 2803-2803
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(36.2KB)

On Encoding of Position Information in Inter-Vehicle Communications
Yoshito GOTO Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/11/01
Vol. E85-D  No. 11  pp. 1822-1829
Type of Manuscript:  Special Section PAPER (Special Issue on Information System Technologies for ITS)
Category: 
Keyword: 
ITSinter-vehicle communicationpredictive algorithmsposition informationsource coding
 Summary | Full Text:PDF(382.8KB)

FOREWORD
Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12  pp. 2957-2957
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(29.9KB)

On the Amount of Embedded Information of Watermarking Methods Based on the Parallel Combinatorial Spread Spectrum Scheme
Masaaki FUJIYOSHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/04/01
Vol. E84-A  No. 4  pp. 941-948
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Information and Communications)
Category: 
Keyword: 
digital watermarkPC/SSreal-number sequencemaximum amount of embedded information
 Summary | Full Text:PDF(648.2KB)

A Novel Individual Identification System Using a Watermarking Method Based on the Parallel Combinatorial Spread Spectrum Scheme
Masaaki FUJIYOSHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2129-2137
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
identificationdigital watermarkPC/SSreal number sequenceportrait
 Summary | Full Text:PDF(1.7MB)

Code Assignment and the Multicode Sense Scheme in an Inter-Vehicle CDMA Communication Network
Tomotaka NAGAOSA Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11  pp. 2327-2333
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
intelligent transport systemsinter-vehicle communicationCDMAcode assignmentmulticode sense
 Summary | Full Text:PDF(552KB)

A Vehicular Driving Assistant System Using Spread Spectrum Techniques
Ari WIDODO Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11  pp. 2334-2340
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
intelligent transport systems (ITS)PN code assignmentPN coded magnetic markers PN coded pulse radarinter-vehicle communications
 Summary | Full Text:PDF(629.2KB)

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(577.6KB)

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(560.4KB)

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
 Summary | Full Text:PDF(189.5KB)

Multiuser Detection Useng a Hopfield Network for Asynchronous Code-Division Multiple-Access Systems
Teruyuki MIYAJIMA Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 1963-1971
Type of Manuscript:  Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrum communicationsnear-for problemmultiple access interferenceinterference cancellationneural networks
 Summary | Full Text:PDF(750.9KB)

The Spread Spectrum Code Hopping System
Takeshi ONIZAWA Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/07/25
Vol. E78-A  No. 7  pp. 795-804
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Information Network)
Category: 
Keyword: 
spread spectrumcode hoppingcode interferencemobileconsumer
 Summary | Full Text:PDF(692.4KB)

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
 Summary | Full Text:PDF(229.8KB)

On the Multiuser Detection Using a Neural Network in Code-Division Multiple-Access Communications
Teruyuki MIYAJIMA Takaaki HASEGAWA Misao HANEISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 961-968
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
recurrent neural networkscode-division multiple-accessnear-far problemoptimum multiuser detection
 Summary | Full Text:PDF(672.4KB)

Spread Spectrum Pulse Position Modulation--A Simple Approach for Shannon's Limit--
Isao OKAZAKI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 929-940
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrumPPMDPPMcode-division multiple accessmatched filter
 Summary | Full Text:PDF(876.8KB)

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
 Summary | Full Text:PDF(184.2KB)

Spread Spectrum for Consumer Communications--Applications of Spread Spectrum Communications in Japan--
Masao NAKAGAWA Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/05/25
Vol. E74-B  No. 5  pp. 1093-1102
Type of Manuscript:  INVITED PAPER (Special Issue on Spread Spectrum Techniques and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(740.5KB)

A Low-Profile Dual-Band Microstrip Antenna Having Open-Circuited Stripline-Stub
Misao HANEISHI Hidekazu SUGA Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/11/25
Vol. E69-E  No. 11  pp. 1165-1166
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(129.2KB)