Hiroshi YAMAMOTO


Development and Experimental Evaluation of ZigBee Network System for Observing Operating Activities of Work Vehicles
Tatsuya KOBAYASHI Hiroshi YAMAMOTO Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2016/10/01
Vol. J99-B  No. 10  pp. 859-870
Type of Manuscript:  Special Section PAPER (Special Section on Design, Control, Analysis, and Management of Communication Networks)
Category: 
Keyword: 
ZigBeesensor networkwork vehiclesobserving activities
 Summary | Full Text(in Japanese):PDF(2.2MB)

Shared-Resource-Pool Design Scheme for Failure-Resilient Optical Transport Network
Yoshihiko UEMATSU Masahiro NAKAGAWA Hiroshi YAMAMOTO Shohei KAMAMURA Kouichi GENDA Masaru KATAYAMA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2016/04/01
Vol. J99-B  No. 4  pp. 345-355
Type of Manuscript:  Special Section PAPER (Special Section on Network Service System Developments)
Category: 
Keyword: 
optical transport networkresource poolunavailabilitymaintenance condition
 Summary | Full Text(in Japanese):PDF(1.9MB)

Browser-Based QoS Measurement for Streaming Communications Using WebRTC
Takeshi KYUZO Hiroshi YAMAMOTO Norihiro FUKUMOTO Shigehiro ANO Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2015/10/01
Vol. J98-B  No. 10  pp. 1084-1093
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architecture Based on Theory and/or Practice)
Category: 
Keyword: 
network measurementWebRTCQoSstreaming communication
 Summary | Full Text(in Japanese):PDF(1.6MB)

Development and Experimental Evaluation of Tablet System for Snow-Blower Support
Yusuke KUBOTA Hiroshi YAMAMOTO Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2015/10/01
Vol. J98-B  No. 10  pp. 1049-1059
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architecture Based on Theory and/or Practice)
Category: 
Keyword: 
AndroidGeographic Information System (GIS)Virtual Reality (VR)GPS
 Summary | Full Text(in Japanese):PDF(5.7MB)

Study of Snow-fall Measurement Sensor Network
Seiya KOBAYASHI Hiroshi YAMAMOTO Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2015/10/01
Vol. J98-B  No. 10  pp. 1038-1048
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architecture Based on Theory and/or Practice)
Category: 
Keyword: 
sensor networkultrasonic sensorsnow-fall measurementsnow-blowersnow-fall estimation
 Summary | Full Text(in Japanese):PDF(3.6MB)

Development and Evaluation of Browser Synchronization System for EC Refugees Using WebRTC
Naoya HONGO Hiroshi YAMAMOTO Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2014/10/01
Vol. J97-B  No. 10  pp. 890-902
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architecture for Future Internet)
Category: 
Keyword: 
browsers synchronization systemWebRTCshopping refugeeNAT traversalHTML5
 Summary | Full Text(in Japanese):PDF(2.4MB)

Development and Evaluation of Guidance System in Hospital using Android Device
Ryoji AOKI Hiroshi YAMAMOTO Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2014/10/01
Vol. J97-B  No. 10  pp. 903-913
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architecture for Future Internet)
Category: 
Keyword: 
dead reckoningPHSindoor position estimationindoor navigationAndroid
 Summary | Full Text(in Japanese):PDF(2.3MB)

Network Parameters for Mobile Network Congestion Detection in Large-Scale Events
Tatsuya TAKAHASHI Hiroshi YAMAMOTO Norihiro FUKUMOTO Shigehiro ANO Katsuyuki YAMAZAKI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2014/06/01
Vol. J97-D  No. 6  pp. 1102-1105
Type of Manuscript:  Special Section LETTER (Special Section on Internet Technology and its Applications)
Category: 
Keyword: 
complex event processingcongestion detectionstreaming data processing
 Summary | Full Text(in Japanese):PDF(669KB)

Energy Harvesting Floor and Thermoelectric Power Generation
Yoshiyasu TAKEFUJI Hiroshi YAMAMOTO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/12/01
Vol. J96-B  No. 12  pp. 1316-1321
Type of Manuscript:  Special Section PAPER (Special Section on Fundamental and Applied Technologies for Sensor Network Supporting Ambient Intelligence)
Category: 
Keyword: 
energy harvesting floorthermoelectric power generationunused artificial heatunused natural heat
 Summary | Full Text(in Japanese):PDF(6.7MB)

Development and Evaluation of an Information Distribution System for Android Terminals
Hiroshi YAMAMOTO Kiyoshi KONDO Chikara SASAKI Shigehiro ANO Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/10/01
Vol. J96-B  No. 10  pp. 1226-1229
Type of Manuscript:  Special Section LETTER (Special Section on Advanced Internet Architecture Connecting People, Things, and Data)
Category: 
Keyword: 
information distribution systemIP multicastAndroid terminal
 Summary | Full Text(in Japanese):PDF(1.1MB)

Development and Evaluation of Sensor Network for Ecology Observation Using RFID
Hiroshi YAMAMOTO Hiroki KURAZONO Maki YAMAMOTO Katsuichi NAKAMURA Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/10/01
Vol. J96-B  No. 10  pp. 1186-1197
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Internet Architecture Connecting People, Things, and Data)
Category: 
Keyword: 
sensor networkstreaked shearwaterecology observationZigBeeRFID
 Summary | Full Text(in Japanese):PDF(1.9MB)

Development and Evaluation of Sensor Network Using Ultrasonic Distance Sensors for Population Monitoring
Hiroshi YAMAMOTO Shohei MINOMI Katsuichi NAKAMURA Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/10/01
Vol. J95-B  No. 10  pp. 1273-1283
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Internet Architecture Applicable to Diverse Social Requirements)
Category: 
Keyword: 
sensor networkdigital signageultrasonic distance sensorpedestrian traffic measurement
 Summary | Full Text(in Japanese):PDF(1.3MB)

The Development and Evaluation of Walking Paths Estimation System Using Android Device and Sensors with Vector Map Matching
Hikaru OOKURA Hiroshi YAMAMOTO Katsuyuki YAMAZAKI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/05/01
Vol. J95-D  No. 5  pp. 1081-1090
Type of Manuscript:  Special Section PAPER (Special Section on Technologies and Applications of the Internet)
Category: 
Keyword: 
vector maporientation sensorturnelevatorwalking path
 Summary | Full Text(in Japanese):PDF(789.2KB)

A Study of Digital Signage Attention Estimation System with Ultrasonic Distance Sensor
Shohei MINOMI Hiroshi YAMAMOTO Katsuichi NAKAMURA Katsuyuki YAMAZAKI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/05/01
Vol. J95-D  No. 5  pp. 1193-1195
Type of Manuscript:  Special Section LETTER (Special Section on Technologies and Applications of the Internet)
Category: 
Keyword: 
sensor networkdigital signageultrasonic distance sensorpedestrian traffic measurement
 Summary | Full Text(in Japanese):PDF(747.7KB)

The Evaluation of Communication Characteristic of Cellular Network and Implementation and Evaluation of Retransmission-Controlled TCP
Shuta YOKOYAMA Hiroshi YAMAMOTO Katsuyuki YAMAZAKI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/05/01
Vol. J95-D  No. 5  pp. 1133-1141
Type of Manuscript:  Special Section PAPER (Special Section on Technologies and Applications of the Internet)
Category: 
Keyword: 
TCPreal-time transmissionwireless sensor networkshilly and mountainous areacellular networks
 Summary | Full Text(in Japanese):PDF(944.4KB)

The Development of NS2 Module for High-Speed Internet Satellite (WINDS)
Hiroshi YAMAMOTO Genki KOMADA Katsuichi NAKAMURA Takashi TAKAHASHI Katsuyuki YAMAZAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/10/01
Vol. J94-B  No. 10  pp. 1363-1372
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architecture for Smart Society)
Category: 
Keyword: 
WINDS (Kizuna)satellite communicationpacket loss patternnetwork simulator
 Summary | Full Text(in Japanese):PDF(681.8KB)