Hiroyo OGAWA


Standardization Activities for Radio on Fiber Transmitter within IEC TC103/WG5
Satoru KUROKAWA Junichiro ICHIKAWA Tetsuya KAWANISHI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 138-146
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
Radio on Fiber transmitterO/E converterE/O converterstandardizationTC103TC103/WG5
 Summary | Full Text:PDF(3.5MB)

Development of Ultra-Wideband Short-Range Impulse Radar System for Vehicular Applications
Kiyoshi HAMAGUCHI Hiroyo OGAWA Takehiko KOBAYASHI Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/10/01
Vol. E88-C  No. 10  pp. 1922-1931
Type of Manuscript:  INVITED PAPER (Special Section on Recent Technologies on Devices, Circuits, and Systems for Millimeter-wave ITS Applications)
Category: 
Keyword: 
impulse radarultra widebandUWBvehicularsystemlaboratory experimentintelligent transport systemITS
 Summary | Full Text:PDF(2.9MB)

Fiber-Optic Broadband Signal Distribution Link Based on a Millimeter-Wave Self-Heterodyne Transmission/Optical Remote Heterodyne Detection Technique
Yozo SHOJI Yoshihiro HASHIMOTO Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1465-1474
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications)
Category: Communication Systems
Keyword: 
millimeter-waveoptical remote heterodyneself-heterodyneoptical SSB modulator
 Summary | Full Text:PDF(1.4MB)

Automatic Threshold Control for ASK Millimeter-Wave Transceivers
Osamu ANEGAWA Kiyoshi HAMAGUCHI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/03/01
Vol. E88-B  No. 3  pp. 1249-1252
Type of Manuscript:  LETTER
Category: Devices/Circuits for Communications
Keyword: 
automatic-threshold-controlmillimeter wavesamplitude-shift-keying
 Summary | Full Text:PDF(1MB)

Measurement of Hot-Spot Zones for Design of Wide-Band Systems at 70-GHz
Ami KANAZAWA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2657-2667
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
70 GHzindoor propagationhot spotdelay profiledelay spreadlobbytrain
 Summary | Full Text:PDF(2MB)

Simple Millimeter-Wave Quasi-Maximal-Ratio-Combining Antenna Diversity System Based on Millimeter-Wave Self-heterodyne Transmission Technique
Yozo SHOJI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2203-2211
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
millimeter-waveMMICself-heterodynediversitymaximal-ratio-combiningreceiver-array
 Summary | Full Text:PDF(1.3MB)

Millimeter-Wave Vertically-Connected Wireless Link for Satellite Broadcasting in an Apartment Building
Ami KANAZAWA Tomokazu ARISE Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2178-2181
Type of Manuscript:  Special Section LETTER (Special Section on Recent Fundamental Technologies for Broadband Satellite Communications)
Category: 
Keyword: 
vertically-connected wireless link60 GHzBS signal transmission
 Summary | Full Text:PDF(1.1MB)

Experimental Demonstration of 622 Mbps Millimeter-Wave over Fiber Link for Broadband Fixed Wireless Access System
Yozo SHOJI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1129-1137
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonic Links for Wireless Communications
Keyword: 
millimeter-waveFWAradio-over-fiber64-QAMmulti-carrier
 Summary | Full Text:PDF(726.2KB)

Fiber-Optic Sectorized Remote Antenna Systems for Millimeter-Wave Broadband Wireless Access Networks
Hiroaki YAMAMOTO Kuniaki UTSUMI Michifumi MIYASHITA Masahiro KURONO Yoshizumi SERIZAWA Yozo SHOJI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1191-1196
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonics for Antenna Systems
Keyword: 
radio over fibersub-carrier division multiplexcoarse wavelength division multiplexsectorized remote antenna systembroadband wireless access
 Summary | Full Text:PDF(721.9KB)

A Low-Cost and Stable Millimeter-Wave Transmission System Using a Transmission-Filter-Less Double-Side-Band Millimeter-Wave Self-Heterodyne Transmission Technique
Yozo SHOJI Kiyoshi HAMAGUCHI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6  pp. 1884-1892
Type of Manuscript:  PAPER
Category: Communication Devices/Circuits
Keyword: 
millimeter-waveself-heterodynedouble-side-bandphase-noisefrequency-offset
 Summary | Full Text:PDF(1.1MB)

FOREWORD
Hiroyo OGAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 417-418
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(71.1KB)

A Millimeter-Wave Broadband Wireless Access System Using Mobile Tracking Technology
Hiroyuki TSUJI Hiroyo OGAWA Mitsuru HIRAKAWA Yoji OKADA Norichika OHMI Noriyuki TAGO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/10/01
Vol. E84-C  No. 10  pp. 1491-1505
Type of Manuscript:  Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century)
Category: 
Keyword: 
millimeter wavearray antennaradio on fiberdirection-of-arrival (DOA)
 Summary | Full Text:PDF(1.5MB)

Design and Performance of a Millimeter-Wave Video-Transmission System Using 60-GHz Band for Indoor BS Signals Transmission
Kiyoshi HAMAGUCHI Yozo SHOJI Hiroyo OGAWA Yasutake HIRACHI Seiji NISHI Eiichiro KAWAKAMI Eiji SUEMATSU Toshiya IWASAKI Akira AKEYAMA Youichi SHIMOMICHI Takao KIZAWA Ichiro KUWANA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/10/01
Vol. E84-C  No. 10  pp. 1479-1490
Type of Manuscript:  Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century)
Category: 
Keyword: 
millimeter waveBSintermodulationCNRexperiment
 Summary | Full Text:PDF(1.5MB)

FOREWORD
Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1037-1038
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(13.3KB)

New Design Approach to Multiple-Beam Forming Network for Beam-Steerable Phased Array Antennas
Fumio KIRA Kenji UENO Takashi OHIRA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1195-1201
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Phased Arrays and Antennas
Keyword: 
multi-beam matrixbeam steeringBFNphased array antennasatellite communication onboard systems
 Summary | Full Text:PDF(1.3MB)

Novel Optoelectronic Networks Using Cascaded Optical Intensity Modulation Links for Frequency Multiplexing and Mixing.
Yoshinori NAKASUGA Kohji HORIKAWA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 105-110
Type of Manuscript:  Special Section PAPER (Special Issue on Optomicrowave Techniques and Their Applications)
Category: System Applications
Keyword: 
optical intensity modulationcascaded linksfrequency mixingfrequency multiplexing
 Summary | Full Text:PDF(418.5KB)

Photonic Integrated Beam Forming and Steering Network Using Switched True-Time-Delay Silica-Based Waveguide Circuits
Kohji HORIKAWA Ikuo OGAWA Tsutomu KITOH Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 74-79
Type of Manuscript:  Special Section PAPER (Special Issue on Optomicrowave Techniques and Their Applications)
Category: Optically Controlled Beam Forming Networks
Keyword: 
active phased array antennatrue-time-delayBFNsilica-based waveguide circuit
 Summary | Full Text:PDF(569.8KB)

Application of Optical Techniques to Microwave Signal Processing (MSP) - Optical-Microwave Signal Processing -
Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 87-97
Type of Manuscript:  INVITED PAPER (Special Issue on Optomicrowave Techniques and Their Applications)
Category: System Applications
Keyword: 
Microwave Signal Processingmicrowave photonics
 Summary | Full Text:PDF(853.8KB)

A Liquid-Crystal Control, Coherent Type Optoelectronic Phased Array Antenna Beam Forming Network Using Polarization Multiplex Optical Heterodyning
Osamu KOBAYASHI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 80-86
Type of Manuscript:  Special Section PAPER (Special Issue on Optomicrowave Techniques and Their Applications)
Category: Optically Controlled Beam Forming Networks
Keyword: 
phased array antennabeam forming networkelectrically controllable birefringence mode nematic liquid-crystal cellpolarization multiplexoptical heterodyning
 Summary | Full Text:PDF(608.4KB)

Amplitude and Phase Control of an RF Signal Using Liquid-Crystals by Optoelectronic Method
Osamu KOBAYASHI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/25
Vol. E78-C  No. 8  pp. 1082-1089
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
RF attenuationRF phase shiftliquid-crystalsoptical heterodyning
 Summary | Full Text:PDF(684.2KB)

Microwave and Millimeter-Wave Fiber Optic Technologies for Subcarrier Transmission Systems
Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/09/25
Vol. E76-B  No. 9  pp. 1078-1090
Type of Manuscript:  INVITED PAPER (Special Issue on Fiber-optic Microcelluler Radio Communication System and Their Technologies)
Category: 
Keyword: 
fiber optic linksmicrowaves/millimeter-wavessubcarrier transmissionoptical devices
 Summary | Full Text:PDF(1.2MB)

Characterization and Application of Lumped Double Crosstie Slow-Wave Transmission Lines
Hideki KAMITSUNA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/06/25
Vol. E76-C  No. 6  pp. 968-976
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology for Advanced Functions and Size-Reductions)
Category: 
Keyword: 
MMICDCT-SL Wlow-lossdelay linehybrid
 Summary | Full Text:PDF(917.9KB)

Fiber Optic Microwave Subcarrier Transmission Links Using Laser Diodes as Receiving Mixer
Hiroyo OGAWA Hideki KAMITSUNA David POLIFKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/02/25
Vol. E76-C  No. 2  pp. 251-256
Type of Manuscript:  Special Section PAPER (Special Issue on Optical/Microwave Interaction Devices, Circuits and Systems)
Category: Optical-Microwave Mixers
Keyword: 
microwave subcarrier transmissionlaser diode nonlinearityfiber optic links
 Summary | Full Text:PDF(525.5KB)

FOREWORD
Tsukasa YONEYAMA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/02/25
Vol. E76-C  No. 2  pp. 173-174
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(171.1KB)

Simplified Analysis of Coplanar Waveguide for LiNbO3 Optical Modulator by Variational Method
Toshihide KITAZAWA David POLIFKO Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/02/25
Vol. E76-C  No. 2  pp. 244-250
Type of Manuscript:  Special Section PAPER (Special Issue on Optical/Microwave Interaction Devices, Circuits and Systems)
Category: Optical/Microwave Devices
Keyword: 
opto-electronicsmicrowave and millimeter wave technologyelectromagnetic theory
 Summary | Full Text:PDF(550KB)

Fiber Optic Microwave Links Using Balanced/Image Canceling Photodiode Mixing
Hideki KAMITSUNA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/02/25
Vol. E76-C  No. 2  pp. 264-270
Type of Manuscript:  Special Section PAPER (Special Issue on Optical/Microwave Interaction Devices, Circuits and Systems)
Category: Optical-Microwave Mixers
Keyword: 
fiber optic linkphotodiode mixingbalancedimage canceling
 Summary | Full Text:PDF(557.5KB)

Comparison of Traveling Wave External Modulator Microwave Mixers
David POLIFKO Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/02/25
Vol. E76-C  No. 2  pp. 257-263
Type of Manuscript:  Special Section PAPER (Special Issue on Optical/Microwave Interaction Devices, Circuits and Systems)
Category: Optical-Microwave Mixers
Keyword: 
microwave/millimeter-wave mixersexternal optical modulationfiber optic links
 Summary | Full Text:PDF(614.7KB)

Multi-Branch Power Dividers Using Multilayer MMIC Technology
Takao HASEGAWA Seiichi BANBA Hiroyo OGAWA Tsuneo TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 707-712
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
power dividerpower combinermultilayerMMIC
 Summary | Full Text:PDF(667.8KB)

Reduced-Size Double Crosstie Slow-Wave Transmission Lines for MMICs
Hideki KAMITSUNA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 721-728
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
MMICslow-wave linedouble crosstietriplatemeander
 Summary | Full Text:PDF(731.1KB)

Miniaturized MMIC Mixers; Image Rejection and Balanced Mixers Using Multilayer Microstrip Lines and Line-Unified HEMT Modules
Tsutomu TAKENAKA Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 689-697
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
MMICmixermultilayerLUFETTFMS
 Summary | Full Text:PDF(868.5KB)

Novel MMIC Transmission Lines Using Thin Dielectric Layers
Seiichi BANBA Takao HASEGAWA Hiroyo OGAWA Tsuneo TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 713-720
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
MMICtransmission linemultilayer
 Summary | Full Text:PDF(735.3KB)

26 GHz Band Planar MMIC Hybrid Circuit
Yoshiaki TARUSAWA Hiroyo OGAWA Kuniki OHWADA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 329-330
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Microwave Circuits
Keyword: 
 Summary | Full Text:PDF(140.6KB)