Tomotaka WADA


Detection of 3D Reflector Code on Guardrail by Using Infrared Laser Radar for Road Information Acquisition
Tomotaka WADA Susumu KAWAI 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1320-1322
Type of Manuscript:  Special Section LETTER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
reflector codeinfrared laser radarroad information acquisition
 Summary | Full Text:PDF(747.5KB)

New Estimation Method of Pedestrian's Running Out into Road by Using Pressure Sensor and Moving Record for Traffic Safety
Tomotaka WADA Go NAKAGAMI Susumu KAWAI 
Publication:   
Publication Date: 2017/02/01
Vol. E100-A  No. 2  pp. 482-490
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
ITSGPSP-VCASSestimation of pedestrian's activitySVMpressure sensormoving record
 Summary | Full Text:PDF(6.1MB)

Novel Vehicle Information Acquisition Method Using 2D Reflector Code for Automotive Infrared Laser Radar
Tomotaka WADA Yusuke SHIKIJI Keita WATARI Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/01/01
Vol. E98-A  No. 1  pp. 294-303
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
ITS2D reflector codeautomotive infrared laser radarvehicle information acquisition
 Summary | Full Text:PDF(4.6MB)

Effective Barrier Coverage Constructions for Improving Border Security in Wireless Sensor Networks
Manato FUJIMOTO Hayato OZAKI Takuya SUZUKI Hiroaki KOYAMASHITA Tomotaka WADA Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/12/01
Vol. E96-B  No. 12  pp. 3007-3016
Type of Manuscript:  Special Section PAPER (Special Section on Network and System Technologies for Sustainable Society)
Category: 
Keyword: 
wireless sensor networksbarrier coverageborder securityZigBee
 Summary | Full Text:PDF(2.9MB)

Development of Emergency Rescue Evacuation Support System (ERESS) in Panic-Type Disasters: Disaster Recognition Algorithm by Support Vector Machine
Kazuya MORI Akinori YAMANE Youhei HAYAKAWA Tomotaka WADA Kazuhiro OHTSUKI Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/02/01
Vol. E96-A  No. 2  pp. 649-657
Type of Manuscript:  PAPER
Category: Mobile Information Network and Personal Communications
Keyword: 
ad-hoc networkMANETERESSSupport Vector Machine
 Summary | Full Text:PDF(2.3MB)

Swift Communication Range Recognition Method for Quick and Accurate Position Estimation of Passive RFID Tags
Manato FUJIMOTO Tomotaka WADA Atsuki INADA Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/09/01
Vol. E95-A  No. 9  pp. 1596-1605
Type of Manuscript:  PAPER
Category: Measurement Technology
Keyword: 
RFID systemRFID readerRFID tagSwift Communication Range Recognition (S-CRR)communication area modelboundary angle
 Summary | Full Text:PDF(3.5MB)

Localization of Passive RFID Tags by Using Broad-Type Multi-Sensing-Range (B-MSR) Method
Manato FUJIMOTO Tomotaka WADA Atsuki INADA Emi NAKAMORI Yuki ODA Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/07/01
Vol. E95-A  No. 7  pp. 1164-1174
Type of Manuscript:  PAPER
Category: Measurement Technology
Keyword: 
RFID readerRFID tagposition estimationsensor modelbroad-type multi-sensing-range method
 Summary | Full Text:PDF(3.7MB)

An Adaptive Multi-Range-Sensing Method for 3D Localization of Passive RFID Tags
Tomotaka WADA Toshihiro HORI Manato FUJIMOTO Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/06/01
Vol. E95-A  No. 6  pp. 1074-1083
Type of Manuscript:  PAPER
Category: Mobile Information Network and Personal Communications
Keyword: 
RFID (Radio Frequency IDentification)localizationpassive RFID tagtransmission power
 Summary | Full Text:PDF(2.8MB) | (Errata[Uploaded on July 1,2013])

A Novel Fast Mobile IPv6 Handover Scheme Using Dual Bands in Road-to-Vehicle Communications
Tomotaka WADA Hiroyuki TAKAHASHI Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/01/01
Vol. E95-A  No. 1  pp. 313-316
Type of Manuscript:  Special Section LETTER (Special Section on Intelligent Transport Systems)
Category: ITS
Keyword: 
handovermobile IPv6dual bandsroad-to-vehicle communications
 Summary | Full Text:PDF(977.1KB)

A Novel Real-Time Recognition Method of Vehicular Traffic Congestion by VANET
Tomotaka WADA Junya FUKUMOTO Kazuhiro OHTSUKI Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 55-63
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Section on Autonomous Decentralized Systems Technologies and Their Application to Networked Systems)
Category: Scalability & Timeliness
Keyword: 
ITSIVCVANETtraffic congestionlevel-n information
 Summary | Full Text:PDF(2.5MB)

Mobile Terminal Substitution of Vehicular Collision Avoidance Support System (VCASS) for Non-VCASS Vehicles: S-VCASS
Tomotaka WADA Shinji NAKAI Tetsuya MARUOKA Haokun WANG Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/01/01
Vol. E94-A  No. 1  pp. 410-419
Type of Manuscript:  PAPER
Category: Intelligent Transport System
Keyword: 
ITSIVCGPSwireless LANmobile terminalVCASS (Vehicular Collision Avoidance Support System)
 Summary | Full Text:PDF(5.6MB)

A Novel Emergency Rescue Urgent Communications for Sharing Evacuation Support Information in Panic-Type Disasters
Tomotaka WADA Akinori YAMANE Kazuhiro OHTSUKI Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3429-3437
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
ad-hoc networkMANETpanic-type disasterevacuation route search
 Summary | Full Text:PDF(1.7MB)

A Novel Communication Range Recognition (CRR) Scheme for Spatial Localization of Passive RFID Tags
Tomotaka WADA Norie UCHITOMI Yuuki OTA Toshihiro HORI Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/09/01
Vol. E93-A  No. 9  pp. 1660-1669
Type of Manuscript:  PAPER
Category: Mobile Information Network and Personal Communications
Keyword: 
RFID readerRFID taglocalizationcommunication range recognitionestimated position error
 Summary | Full Text:PDF(1.6MB)

Pedestrian Oriented Vehicular Collision Avoidance Support System: P-VCASS
Tomotaka WADA Yuki NAKANISHI Ryohta YAMAGUCHI Kazushi FUJIMOTO Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/04/01
Vol. E93-A  No. 4  pp. 679-688
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Transport Systems)
Category: 
Keyword: 
ITSVCASSGPSP-VCASS
 Summary | Full Text:PDF(1.3MB)

A Multi-Sensing-Range Method for Efficient Position Estimation by Passive RFID Technology
Toshihiro HORI Tomotaka WADA Norie UCHITOMI Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2609-2617
Type of Manuscript:  PAPER
Category: Mobile Information Network and Personal Communications
Keyword: 
RFID (Radio Frequency IDentification)RFID readerRFID tagposition estimationpassive taglikelihoodtransmission power
 Summary | Full Text:PDF(1.3MB)

An Adaptive Likelihood Distribution Algorithm for the Localization of Passive RFID Tags
Yuuki OTA Toshihiro HORI Taiki ONISHI Tomotaka WADA Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7  pp. 1666-1675
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
RFID readerRFID taglocalizationlikelihood distributionestimated position error
 Summary | Full Text:PDF(1.7MB)

Experimental Performance Evaluations of Reflect-Transmission Control Schemes for Vehicle-PEdestrian Communications (VPEC)
Yoshihisa OKADA Tomotaka WADA Masato HORIE Fumio NAKASE Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10  pp. 2931-2939
Type of Manuscript:  PAPER
Category: Integrated Systems for Communications
Keyword: 
ITSIVCVANETVPECreflect-transmission schemeCRI
 Summary | Full Text:PDF(1.2MB)

Novel Array Antenna Assisted Adaptive Modulation Scheme for Fast Fading Channel
Tomotaka WADA Minoru OKADA Heiichi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/08/01
Vol. E88-B  No. 8  pp. 3383-3392
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
adaptive modulationfast fadingarray antennaDoppler spread compensatorBERthroughput
 Summary | Full Text:PDF(2MB)

Radiation Fields of a Printed-Dipole on a Semi-Infinite Substrate
Tomotaka WADA Masanobu KOMINAMI Hiroji KUSAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/11/25
Vol. E79-A  No. 11  pp. 1860-1861
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1996 IEICE General Conference)
Category: 
Keyword: 
far/near-field patternprinted dipolestationary phase methodFourier integralcritical angle
 Summary | Full Text:PDF(130.1KB)