Hideyuki UEHARA


Performance Evaluation of Medium Access Control Protocols in Ad Hoc Networks with Heterogeneous Antennas
Kenji SUGIMOTO Yuichi MIYAJI Hideyuki UEHARA 
Publication:   - - Abstracts of (Japanese Edition)
Publication Date: 2017/03/01
Vol. J100-B  No. 3  pp. 226-234
Type of Manuscript:  PAPER
Category: 
Keyword: 
ad hoc networksheterogeneous antenna environmentsmedium access controlreceiver blocking problem
 Summary | Full Text(in Japanese):PDF(1.9MB)

Intra-Sector Collision Avoidance Method for Directional MAC Protocol in WSNs
Yuya KAI Akira YAMAGUCHI Yuichi MIYAJI Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/12/01
Vol. J96-B  No. 12  pp. 1355-1364
Type of Manuscript:  Special Section PAPER (Special Section on Fundamental and Applied Technologies for Sensor Network Supporting Ambient Intelligence)
Category: 
Keyword: 
wireless sensor networksdirectional antennasenergy efficiencyhigh throughputmedium access control
 Summary | Full Text(in Japanese):PDF(2.1MB)

USB Stick ESPAR Antenna for Wireless Secret Key Agreement Systems
Naoki SAKAI Yasuaki ODA Tuya WUREN Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/09/01
Vol. J96-B  No. 9  pp. 1057-1066
Type of Manuscript:  Special Section PAPER (Special Issue on Antennas and Propagation Technologies Supporting Fusions of Wireless Systems)
Category: 
Keyword: 
ESPAR antennawireless secret keydirectivity diversitydirectivity complexity
 Summary | Full Text(in Japanese):PDF(2.8MB)

Figure of Merit to Evaluate Directivity Diversity of Variable Beamforming Antennas for Wireless Secret Key Agreement Systems
Naoki SAKAI Yasuaki ODA Tuya WUREN Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/09/01
Vol. J96-B  No. 9  pp. 936-944
Type of Manuscript:  Special Section PAPER (Special Issue on Antennas and Propagation Technologies Supporting Fusions of Wireless Systems)
Category: 
Keyword: 
wireless secret keyvariable beamforming antennaradio fluctuationdirectivity diversity
 Summary | Full Text(in Japanese):PDF(1.1MB)

Verification System for Directional MAC Protocol Using GNU Radio/USRP and ESPAR Antenna
Yuichi MIYAJI Akito KIMIJIMA Masanori OBA Taichi YAMAKAWA Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/02/01
Vol. J96-B  No. 2  pp. 83-91
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Developing the Future of Communication Technology)
Category: 
Keyword: 
ad hoc networksGNU RadioUSRPMAC protocolESPAR antenna
 Summary | Full Text(in Japanese):PDF(1.5MB)

Adaptive Sleep Control for Asynchronous MAC Protocols Adjusting Transition Timing to Active State
Hiroaki TAKA Noriyuki HASHIMOTO Masahiro TOMITA Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/02/01
Vol. J95-B  No. 2  pp. 199-207
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research for Future Communication Technology)
Category: 
Keyword: 
sensor networksMAC protocoladaptive sleep controlenergy-saving
 Summary | Full Text(in Japanese):PDF(1.2MB)

Directional Monitoring MAC Protocol Using Smart Antennas in Wireless Multi-Hop Networks
Masahiro KAWAI Yuichi MIYAJI Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/04/01
Vol. J94-B  No. 4  pp. 555-566
Type of Manuscript:  Special Section PAPER (Special Section on Network Software Technologies and Their Applications)
Category: 
Keyword: 
ad hoc networkssmart antennasmedium access controldirectional monitoring
 Summary | Full Text(in Japanese):PDF(1.4MB)

Directivity Selection to Enhance Noise and Tapping Tolerances for Wireless Secret Key Generator Exploiting ESPAR Antennas
Taku HASEGAWA Takafumi SAITO Kazumasa UEMATSU Jouji NARITA Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/02/01
Vol. J94-B  No. 2  pp. 214-225
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Building the Future of Communication Technology)
Category: 
Keyword: 
ESPAR antennasecret key agreementradio propagationdirectivity setinformation security
 Summary | Full Text(in Japanese):PDF(1.4MB)

Direction Oriented Routing Protocols Using Zonal Road and Fixed Relay Points for Inter-Vehicle/Road-to-Vehicle Communications
Yohei FUJII Naoki SHINDO Yukio FUJIWARA Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/02/01
Vol. J94-B  No. 2  pp. 147-155
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Building the Future of Communication Technology)
Category: 
Keyword: 
routing protocolsad hoc networksinter-vehicle communicationsITS
 Summary | Full Text(in Japanese):PDF(994.9KB)

Directivity Adaptive Control MAC Protocol Using ESPAR Antenna in Wireless Ad Hoc Networks
Masayuki OHNO Yuichi MIYAJI Hideyuki UEHARA Takashi OHIRA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/02/01
Vol. J94-B  No. 2  pp. 113-121
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Building the Future of Communication Technology)
Category: 
Keyword: 
Medium Access Protocolad hoc networkESPAR antennalocation informationadaptive control
 Summary | Full Text(in Japanese):PDF(724.8KB)

Interference Cancellation Technique Using Cycle-and-Add Property for DS-CDMA
Mariko ARAKI Ranga HETTIARACHCHI Mitsuo YOKOYAMA Hideyuki UEHARA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2007/03/01
Vol. J90-A  No. 3  pp. 217-227
Type of Manuscript:  PAPER
Category: 
Keyword: 
DS-CDMA (Direct Sequence-Code Division Multiple Access)MAI (Multi Access Interference)PN sequenceinterference cancellation technique
 Summary | Full Text(in Japanese):PDF(1.5MB)

Cycle-and-Add Property of Gold Code
Masahiro MIYASHITA Mariko ARAKI Mitsuo YOKOYAMA Hideyuki UEHARA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2006/06/01
Vol. J89-A  No. 6  pp. 572-575
Type of Manuscript:  LETTER
Category: 
Keyword: 
PN sequenceGold codesynchronization circuitCycle-and-Add Property
 Summary | Full Text(in Japanese):PDF(721.1KB)