IEICE Trans

Jiro HIROKAWA

Design for Operation in Two Frequency Bands by Division of the Coupled Region in a Waveguide 2-Plane Coupler Shihao CHEN Takashi TOMURA Jiro HIROKAWA Kota ITO Mizuki SUGA Yushi SHIRATO Daisei UCHIDA Naoki KITA
Publication: Publication Date: 2022/12/01 Vol. E105-C No. 12 pp. 729-739 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: coupler, finite element method, hollow waveguide, mode matching,
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Multibeam Patterns Suitable for Massive MIMO Configurations Kentaro NISHIMORI Jiro HIROKAWA
Publication: Publication Date: 2022/10/01 Vol. E105-B No. 10 pp. 1162-1172 Type of Manuscript: Special Section PAPER (Special Section on Multidisciplinary and Innovative Key technologies in Advanced communication systems (MIKA)) Category: Keyword: massive multiple input multiple output, analog multibeam, butler matrix, independent component analysis, uplink,
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Control of Radiation Direction in an Aperture Array Excited by a Waveguide 2-Plane Hybrid Coupler Yuki SUNAGUCHI Takashi TOMURA Jiro HIROKAWA
Publication: Publication Date: 2022/08/01 Vol. E105-B No. 8 pp. 906-912 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: waveguide 2-plane coupler, hybrid junction, radiation direction, diffraction suppression, reflection suppression,
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Design of the Circularly Polarized Ring Microstrip Antenna with Shorting Pins Jun GOTO Akimichi HIROTA Kyosuke MOCHIZUKI Satoshi YAMAGUCHI Kazunari KIHIRA Toru TAKAHASHI Hideo SUMIYOSHI Masataka OTSUKA Naofumi YONEDA Jiro HIROKAWA
Publication: Publication Date: 2022/01/01 Vol. E105-B No. 1 pp. 34-43 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: array antenna, dual band, ring microstrip antenna, shorting pin,
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Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern Akihiko HIRATA Koichiro ITAKURA Taiki HIGASHIMOTO Yuta UEMURA Tadao NAGATSUMA Takashi TOMURA Jiro HIROKAWA Norihiko SEKINE Issei WATANABE Akifumi KASAMATSU
Publication: Publication Date: 2021/10/01 Vol. E104-C No. 10 pp. 587-595 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies) Category: Keyword: terahertz, filter, wireless communication, close-proximity wireless link,
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Design of the Traveling-Wave Series-Fed Microstrip Antenna Array with Power Control Slits of Unequal Inter-Element Spacing Jun GOTO Makoto MATSUKI Takashi MARUYAMA Toru FUKASAWA Naofumi YONEDA Jiro HIROKAWA
Publication: Publication Date: 2021/06/01 Vol. E104-B No. 6 pp. 624-629 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: array antenna, microstrip, series-fed, traveling-wave,
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Control of 120-GHz-Band Split Ring Resonator Filter by Coupling Lattice Pattern Substrate Koichiro ITAKURA Akihiko HIRATA Masato SONODA Taiki HIGASHIMOTO Tadao NAGATSUMA Takashi TOMURA Jiro HIROKAWA Norihiko SEKINE Issei WATANABE Akifumi KASAMATSU
Publication: Publication Date: 2021/03/01 Vol. E104-C No. 3 pp. 102-111 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: millimeter-wave filter, millimeter-wave propagation, millimeter-wave communication,
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Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using a Large Array Antenna in the Millimeter-Wave Band Tuchjuta RUCKKWAEN Takashi TOMURA Kiyomichi ARAKI Jiro HIROKAWA Makoto ANDO
Publication: Publication Date: 2020/10/01 Vol. E103-B No. 10 pp. 1136-1146 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: intersymbol interference (ISI), non-far region, large array antenna, signal to noise plus interference (SINR),
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Sidelobe Suppression in Both the E and H Planes Using Slit Layers over a Corporate-Feed Waveguide Slot Array Antenna Consisting of 2×2-Element Radiating Units Haruka ARAKAWA Takashi TOMURA Jiro HIROKAWA
Publication: Publication Date: 2020/09/01 Vol. E103-B No. 9 pp. 960-968 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: full-corporate-feed, millimeter-wave antenna arrays, Taylor distribution, waveguide slot arrays,
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Transmission Enhancement in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays for a Given Distance in the Non-Far Region Communication Ryotaro OHASHI Takashi TOMURA Jiro HIROKAWA
Publication: Publication Date: 2020/02/01 Vol. E103-B No. 2 pp. 130-138 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: rectangular-coordinate orthogonal multiplexing, multiple-input multiple-output (MIMO), millimeter-wave antenna, munopulese circuit,
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12- and 21-GHz Dual-Band Dual-Circularly Polarized Offset Parabolic Reflector Antenna Fed by Microstrip Antenna Arrays for Satellite Broadcasting Reception Masafumi NAGASAKA Masaaki KOJIMA Hisashi SUJIKAI Jiro HIROKAWA
Publication: Publication Date: 2019/07/01 Vol. E102-B No. 7 pp. 1323-1333 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: reflector antenna, microstrip antenna, circular polarization, dual band antenna, dual polarized antenna,
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Wideband Design of a Short-Slot 2-Plane Coupler by the Mode Matching/FEM Hybrid Analysis Considering the Structural Symmetry Masahiro WAKASA Dong-Hun KIM Takashi TOMURA Jiro HIROKAWA
Publication: Publication Date: 2019/05/01 Vol. E102-B No. 5 pp. 1019-1026 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: short-slot 2-plane coupler, mode matching technique, finite element method,
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Fabrication and Evaluation of Integrated Photonic Array-Antenna System for RoF Based Remote Antenna Beam Forming Takayoshi HIRASAWA Shigeyuki AKIBA Jiro HIROKAWA Makoto ANDO
Publication: Publication Date: 2019/03/01 Vol. E102-C No. 3 pp. 235-242 Type of Manuscript: PAPER Category: Lasers, Quantum Electronics Keyword: radio-over-fiber, beam steering, photodiode, phased-array-antenna, chromatic dispersion, 60-GHz band,
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A PCB-Integratable Metal Cap Slot Antenna for 60-GHz Band Mobile Terminals Takashi TOMURA Haruhisa HIRAYAMA Jiro HIROKAWA
Publication: Publication Date: 2019/02/01 Vol. E102-B No. 2 pp. 317-323 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: endfire antenna, metal cap antenna, millimeter wave, slot antenna,
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FOREWORD Monai KRAIRIKSH Jiro HIROKAWA
Publication: Publication Date: 2019/02/01 Vol. E102-B No. 2 pp. 165-165 Type of Manuscript: FOREWORD Category: Keyword:
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Perpendicular-Corporate Feed in a Four-Layer Circularly-Polarized Parallel-Plate Slot Array Hisanori IRIE Takashi TOMURA Jiro HIROKAWA
Publication: Publication Date: 2019/01/01 Vol. E102-B No. 1 pp. 137-146 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: circularly-polarization, parallel plates, slot array, perpendicular-corporate feed,
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Wideband Waveguide Short-Slot 2-Plane Coupler Using Frequency Shift of Propagating Modes Dong-Hun KIM Jiro HIROKAWA Makoto ANDO
Publication: Publication Date: 2018/10/01 Vol. E101-C No. 10 pp. 815-821 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: short-slot coupler, hybrid coupler, cross coupler, complementary propagating mode,
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Absorber Integrated Planar Slot Array Antenna for Suppression of Multiple Reflection in 120-GHz-Band Close-Proximity Wireless System Akihiko HIRATA Jiro HIROKAWA
Publication: Publication Date: 2018/10/01 Vol. E101-C No. 10 pp. 791-800 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies) Category: Keyword: millimeter-wave absorber, millimeter-wave communication, millimeter-wave antenna,
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Performance Analysis and Hardware Verification of Feature Detection Using Cyclostationarity in OFDM Signal Akihide NAGAMINE Kanshiro KASHIKI Fumio WATANABE Jiro HIROKAWA
Publication: Publication Date: 2018/10/01 Vol. E101-B No. 10 pp. 2142-2151 Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks for IoT Era) Category: Keyword: wireless distributed network, OFDM signal, cyclic autocorrelation function, feature detection, cyclostationarity, performance analysis, hardware implementation,
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FOREWORD Jiro HIROKAWA
Publication: Publication Date: 2018/02/01 Vol. E101-B No. 2 pp. 261-261 Type of Manuscript: FOREWORD Category: Keyword:
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A TM₀₁₀ Cavity Power-Combiner with Microstrip Line Inputs Vinay RAVINDRA Hirobumi SAITO Jiro HIROKAWA Miao ZHANG Atsushi TOMIKI
Publication: Publication Date: 2017/12/01 Vol. E100-C No. 12 pp. 1087-1096 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: cavities, resonators, power combiners, computer-aided design of microwave, power amplifiers,
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60GHz-Band Photonic-Integrated Array-Antenna and Module for Radio-over-Fiber-Based Beam Forming Kotoko FURUYA Takayoshi HIRASAWA Masayuki OISHI Shigeyuki AKIBA Jiro HIROKAWA Makoto ANDO
Publication: Publication Date: 2017/10/01 Vol. E100-B No. 10 pp. 1717-1725 Type of Manuscript: INVITED PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network) Category: Keyword: radio-over-fiber, array-antenna, beam forming, photonic integration, 60-GHz band,
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One-Body 2-D Beam-Switching Butler Matrix with Waveguide Short-Slot 2-Plane Couplers Dong-Hun KIM Jiro HIROKAWA Makoto ANDO
Publication: Publication Date: 2017/10/01 Vol. E100-C No. 10 pp. 884-892 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Keyword: Butler matrix, waveguide short-slot coupler, beam-switching,
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Compact X-Band Synthetic Aperture Radar for 100kg Class Satellite Hirobumi SAITO Prilando Rizki AKBAR Hiromi WATANABE Vinay RAVINDRA Jiro HIROKAWA Kenji URA Pyne BUDHADITYA
Publication: Publication Date: 2017/09/01 Vol. E100-B No. 9 pp. 1653-1660 Type of Manuscript: INVITED PAPER (Special Issue the Past, Present, and Future of Communications Technologies in the IEICE) Category: Sensing Keyword: synthetic aperture radar, 100kg class small satellite, X band, deployable honeycomb slot array antenna,
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Recent Technologies in Japan on Array Antennas for Wireless Systems Jiro HIROKAWA Qiang CHEN Mitoshi FUJIMOTO Ryo YAMAGUCHI
Publication: Publication Date: 2017/09/01 Vol. E100-B No. 9 pp. 1644-1652 Type of Manuscript: INVITED SURVEY PAPER Category: Antennas and Propagation Keyword: array antenna, multiple antenna, computational electromagnetics, millimeter-wave, antenna measurement, signal processing,
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Plate-Laminated Waveguide Monopulse Slot Array Antenna with Full-Corporate-Feed in the E-Band Xin XU Jiro HIROKAWA Makoto ANDO
Publication: Publication Date: 2017/04/01 Vol. E100-B No. 4 pp. 575-585 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: E-band, waveguide slot antenna, millimeter-wave antenna, monopulse array antenna, comparator, diffusion bonding,
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Alignment Control System Using Beam-Tilting 1-D Waveguide-Slot Array Antennas for 120-GHz-Band Corporate-Feed High-Gain 2-D Arrays Akihiko HIRATA Jun TAKEUCHI Keisuke HASHIMOTO Jiro HIROKAWA
Publication: Publication Date: 2017/01/01 Vol. E100-B No. 1 pp. 158-166 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: alignment control, millimeter waves, plate-laminated waveguide, diffusion bonding, slot antenna,
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A 60GHz-Band High-Efficiency Antenna with a Thick Resin Layer and Differentially Fed through a Hole in a Silicon Chip Naoya OIKAWA Jiro HIROKAWA Hiroshi NAKANO Yasutake HIRACHI Hiroshi ISONO Atsushi ISHII Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/01/01 Vol. E99-B No. 1 pp. 27-32 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014) Category: Antennas and Propagation Keyword: differential-feed antenna, patch antenna, on-chip antenna, radiation efficiency, reverberation chamber,
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A 12×16-Element Double-Layer Corporate-Feed Waveguide Slot Array Antenna Satoshi ITO Miao ZHANG Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/01/01 Vol. E99-B No. 1 pp. 40-47 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014) Category: Antennas and Propagation Keyword: waveguide slot array antenna, corporate-feed circuit, cross-junction,
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Design of mm-Wave RLSAs with Lossy Waveguides by Slot Coupling Control Techniques Tung NGUYEN Jiro HIROKAWA Makoto ANDO Manuel SIERRA CASTAÑER
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/09/01 Vol. E98-B No. 9 pp. 1865-1872 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: lossy waveguides, radial line slot antenna, millimeter wave, coupling factors,
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Rain Sensing Using Dual-Frequency Measurements from Small-Scale Millimeter-Wave Network Hung V. LE Capsoni CARLO Nebuloni ROBERTO Luini LORENZO Takuichi HIRANO Toru TANIGUCHI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/06/01 Vol. E98-B No. 6 pp. 1040-1049 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: millimeter-wave network, rain attenuation, dual-frequency, rain sensing, rain rate estimation,
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FOREWORD Jiro HIROKAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/05/01 Vol. E98-B No. 5 pp. 754-754 Type of Manuscript: FOREWORD Category: Keyword:
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A Simple Through-Hole Based Transformer between Microstrip Line and Post-Wall Waveguide for Millimeter-Wave Applications Yusuke UEMICHI Ryouhei HOSONO Ning GUAN Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/10/01 Vol. E97-C No. 10 pp. 941-947 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-wave Technologies) Category: Keyword: post-wall waveguide, transformer, liquid crystal polymer, millimeter-wave,
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Phased Array Antenna Beam Steering Scheme for Future Wireless Access Systems Using Radio-over-Fiber Technique Masayuki OISHI Yoshihiro NISHIKAWA Kosuke NISHIMURA Keiji TANAKA Shigeyuki AKIBA Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/07/01 Vol. E97-B No. 7 pp. 1281-1289 Type of Manuscript: Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network) Category: Keyword: radio-over-fiber, chromatic dispersion, phased array antenna, beam steering, millimeter-wave band,
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Propagation Characteristics of Honeycomb Structures Used in mm-Wave Radial Line Slot Antennas Tung NGUYEN Rushanthi JAYAWARDENE Kimio SAKURAI Jiro HIROKAWA Makoto ANDO Manuel SIERRA CASTAÑER Osamu AMANO Shuichi KOREEDA Takaomi MATSUZAKI Yukio KAMATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/06/01 Vol. E97-B No. 6 pp. 1139-1147 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: satellite applications, honeycomb structure, radial line slot antenna, millimeter wave,
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Millimeter-Wave Propagation Characteristics and Localized Rain Effects in a Small-Scale University Campus Network in Tokyo Hung V. LE Hasan Md. MOHIBUL Takuichi HIRANO Toru TANIGUCHI Akira YAMAGUCHI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/05/01 Vol. E97-B No. 5 pp. 1012-1021 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: millimeter-wave, rain attenuation, localized rain, spatial variability of rainfall, diversity,
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A Wideband 16×16-Element Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band Takashi TOMURA Jiro HIROKAWA Takuichi HIRANO Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/04/01 Vol. E97-B No. 4 pp. 798-806 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: corporate feed, millimeter-wave band, waveguide slot array, wideband,
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A Partially-Corporate Feed Double-Layer Waveguide Slot Array with the Sub-Arrays also Fed in Alternating-Phases Miao ZHANG Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/02/01 Vol. E97-B No. 2 pp. 469-475 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: alternating-phase feed, partially-corporate feed, double-layer waveguide slot array, diffusion bonding, slot coupler, standing-wave excitation, compound slot,
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Double-Layer Plate-Laminated Waveguide Slot Array Antennas for a 39GHz Band Fixed Wireless Access System Miao ZHANG Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/01/01 Vol. E97-B No. 1 pp. 122-128 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: plate-laminated waveguide, waveguide slot array, double-layer, partially-corporate feed, diffusion bonding, FWA system,
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Manufacture and Performance of a 60GHz-Band High-Efficiency Antenna with a Thick Resin Layer and the Feed through a Hole in a Silicon Chip Jun ASANO Jiro HIROKAWA Hiroshi NAKANO Yasutake HIRACHI Hiroshi ISONO Atsushi ISHII Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/12/01 Vol. E96-B No. 12 pp. 3108-3115 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: on-chip antenna, connecting loss, radiation efficiency, reverberation chamber,
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An Equivalent Double Layer Model for a Fast Design and Analysis of High Gain-Multilayer Radial Line Slot Antennas Tung NGUYEN Rushanthi JAYAWARDENE Yasutomo TAKANO Kimio SAKURAI Jiro HIROKAWA Makoto ANDO Osamu AMANO Shuichi KOREEDA Takaomi MATSUZAKI Yukio KAMATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/11/01 Vol. E96-B No. 11 pp. 2891-2900 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: satellite application, high gain, method of moments, honeycomb, multilayer, radial line slot antenna,
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Design and Measurement of the Plate Laminated Waveguide Slot Array Antenna and Its Feasibility for Wireless Link System in the 120 GHz Band Dongjin KIM Jiro HIROKAWA Kimio SAKURAI Makoto ANDO Takuma TAKADA Tadao NAGATSUMA Jun TAKEUCHI Akihiko HIRATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/08/01 Vol. E96-B No. 8 pp. 2102-2111 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: waveguide antenna, diffusion bonding, full corporate feed, data transmission,
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LTCC Partially-Filled Post-Wall Rectangular-Waveguide Slot Array Antenna in the Millimeter-Wave Band Yuanfeng SHE Jiro HIROKAWA Makoto ANDO Daisuke HANATANI Masahiro FUJIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/10/01 Vol. E95-C No. 10 pp. 1635-1642 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: waveguide, LTCC, loss, slot array, long-line effect millimeter-wave,
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A High-Efficiency Circularly-Polarized Aperture Array Antenna with a Corporate-Feed Circuit in the 60 GHz Band Yohei MIURA Jiro HIROKAWA Makoto ANDO Kazufumi IGARASHI Goro YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1618-1625 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Microwave and Millimeter-Wave Antennas Keyword: array antenna, corporate-feed, circular polarized wave, high efficiency,
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Eigenmode Analysis of Propagation Constant for a Microstrip Line with Dummy Fills on a Si CMOS Substrate Yuya ONO Takuichi HIRANO Kenichi OKADA Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/06/01 Vol. E94-C No. 6 pp. 1008-1015 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: silicon CMOS, microstrip line, propagation constant, dummy fill, eigenmode analysis, periodic structure, millimeter wave,
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Full-Wave Design Considering Slot Admittance in 2-D Waveguide Slot Arrays with Perfect Input Matching Miao ZHANG Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/03/01 Vol. E94-B No. 3 pp. 725-734 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: waveguide slot array, method of moments, full-wave analysis, equivalent circuit, slot admittance, input matching, Taylor distribution,
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Loss of Post-Wall Waveguides and Efficiency Estimation of Parallel-Plate Slot Arrays Fed by the Post-Wall Waveguide in the Millimeter-Wave Band Yuanfeng SHE Thi Huong TRAN Koh HASHIMOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/03/01 Vol. E94-C No. 3 pp. 312-320 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: post-wall waveguide, effective conductivity, transmission loss, antenna efficiency, loss factor,
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A Center-Feed Linear Array of Reflection-Canceling Slot Pairs on Post-Wall Waveguide Jae-Ho LEE Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/01/01 Vol. E94-B No. 1 pp. 326-329 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: center-feed array, post-wall waveguide, substrate integrated waveguide (SIW), reflection-canceling slot pair,
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Practical Slot Array Design by Method of Moments Using One Basis Function and Constant Correction Length Jae-Ho LEE Takuichi HIRANO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/01/01 Vol. E94-B No. 1 pp. 158-165 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: method of moments (MoM), slotted waveguide array, slot correction length, slot coupling, narrow and rectangular slot,
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A Coaxial Feeder with Two Pairs of Parasitic Pins for Realizing Rotationally Symmetric Aperture Illumination in Spiral Array Radial Line Slot Antennas Hideki UEDA Jiro HIROKAWA Makoto ANDO Matteo ALBANI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/10/01 Vol. E93-B No. 10 pp. 2554-2561 Type of Manuscript: Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009) Category: Antennas Keyword: spiral array radial line slot antenna, sidelobe, aperture efficiency, feeding structure,
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Design of a Partially-Corporate Feed Double-Layer Slotted Waveguide Array Antenna in 39 GHz Band and Fabrication by Diffusion Bonding of Laminated Thin Metal Plates Miao ZHANG Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/10/01 Vol. E93-B No. 10 pp. 2538-2544 Type of Manuscript: Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009) Category: Antennas Keyword: double-layer, slotted waveguide array, partially-corporate feed, diffusion bonding, thin metal plate,
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Connected Post-Wall (C-PW) Waveguide for Efficient Design of Broad Wall Slots by Using Equivalent Solid-Wall Waveguide Jae-Ho LEE Kimio SAKURAI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 1038-1046 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: post-wall waveguide, substrate integrated waveguide (SIW), laminated waveguide, connected post-wall (C-PW), slotted waveguide,
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A Post-Wall Center-Feed Waveguide Circuit Consisting of T-Junctions for Reducing the Slot-Free Area in a Parallel Plate Slot Array Antenna Koh HASHIMOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 1047-1054 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: millimeter-wave antennas, post-wall waveguides, parallel plate waveguides, slot array antennas, center-feed antennas,
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Design of Post-Wall Feed Waveguide for a Parallel Plate Slot Array by an Analysis Model with Corrected Solid-Walls Koh HASHIMOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/06/01 Vol. E93-B No. 6 pp. 1566-1573 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: millimeter-wave antenna, post-wall waveguide, parallel plate waveguide, slot array antenna, method of moments,
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Design of Narrow Wall Windows in a Waveguide to Feed Partially-Dielectric-Filled Oversized-Rectangular Waveguide Based on 2-Dimensional Analyses of Two Orthogonal Directions Miroslav SAMARDIJA Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/04/01 Vol. E93-B No. 4 pp. 871-878 Type of Manuscript: PAPER Category: Devices/Circuits for Communications Keyword: dielectric-filled, oversized, waveguide, feed, window,
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Evaluation of Effective Conductivity of Copper-Clad Dielectric Laminate Substrates in Millimeter-Wave Bands Using Whispering Gallery Mode Resonators Thi Huong TRAN Yuanfeng SHE Jiro HIROKAWA Kimio SAKURAI Yoshinori KOGAMI Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/12/01 Vol. E92-C No. 12 pp. 1504-1511 Type of Manuscript: PAPER Category: Electronic Materials Keyword: millimeter wave measurement, Whispering Gallery mode resonator, complex permittivity, conductivity, dielectric substrates,
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Analysis and Design of a Reflection-Cancelling Transverse Slot-Pair Array with Grating-Lobe Suppressing Baffles Takehito SUZUKI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/10/01 Vol. E92-B No. 10 pp. 3236-3242 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: slotted waveguide array, reflection-cancelling slot-pair, grating-lobe, baffle, Method of Moment, Spectrum of Two-Dimensional Solutions, mutual coupling,
	Summary \| Full Text:PDF(1.6MB)

Analysis and Uniform Design of a Single-Layer Slotted Waveguide Array Antenna with Baffles Takehito SUZUKI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/01/01 Vol. E92-B No. 1 pp. 150-158 Type of Manuscript: PAPER Category: Devices/Circuits for Communications Keyword: slotted waveguide array, baffle, method of moment, spectrum of two-dimensional solutions, mutual coupling,
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Bandwidth Enhancement of Aperture Feed by an Air Rectangular Cavity Backing in a LTCC Post-Wall Waveguide JungAun LEE Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/01/01 Vol. E92-C No. 1 pp. 121-126 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: post-wall waveguide, millimeter-wave band, transducer, aperture,
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Step Width Tolerable for Offset of the Aperture in a Millimeter-Wave Transducer between Post-Wall and Hollow Standard Waveguides JungAun LEE Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/12/01 Vol. E91-C No. 12 pp. 1910-1916 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: post-wall waveguide, millimeter-wave band, transducer, aperture,
	Summary \| Full Text:PDF(1.4MB)

Fabrication of Alternating-Phase Fed Single-Layer Slotted Waveguide Arrays Using Plastic Materials with Metal-Plating Miao ZHANG Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/08/01 Vol. E91-B No. 8 pp. 2761-2763 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: fixed wireless access (FWA), slotted waveguide array, plastic material, metal-plating,
	Summary \| Full Text:PDF(852.4KB)

The Ridged Cross-Junction Multiple-Way Power Divider for Small Blockage and Symmetrical Slot Arrangement in the Center Feed Single-Layer Slotted Waveguide Array Yasuhiro TSUNEMITSU Goro YOSHIDA Naohisa GOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/06/01 Vol. E91-B No. 6 pp. 1767-1772 Type of Manuscript: Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation) Category: Antennas Keyword: alternating phase fed array, center-feed, single-layer waveguide, cross-junction power divider, PDD,
	Summary \| Full Text:PDF(1.3MB)

A Lightweight Radial Line Slot Antenna with Honeycomb Structure for Space Use Hideki UEDA Jiro HIROKAWA Makoto ANDO Osamu AMANO Yukio KAMATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/03/01 Vol. E91-B No. 3 pp. 871-877 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: space use, lightweight, honeycomb, multi-layer, radial line slot antenna,
	Summary \| Full Text:PDF(2.3MB)

A Cost-Effective Transition between a Microstrip Line and a Post-Wall Waveguide Using a Laminated LTCC Substrate in 60-GHz Band Takafumi KAI Jiro HIROKAWA Makoto ANDO Hiroshi NAKANO Yasutake HIRACHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/04/01 Vol. E90-C No. 4 pp. 907-910 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: coaxial, post-wall waveguide, microstrip line, millimeter-wave band, LTCC,
	Summary \| Full Text:PDF(914.1KB)

Moment Method Analysis of a Plane Wave Generator in an Oversized Rectangular Waveguide Takafumi KAI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/01/01 Vol. E90-B No. 1 pp. 105-113 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: millimeter-wave, plane wave generator, oversized rectangular waveguide, moment method, eigenmode,
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A Single-Layer Hollow-Waveguide 8-Way Butler Matrix Shin-ichi YAMAMOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/07/01 Vol. E89-C No. 7 pp. 1080-1088 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: short-slot coupler, length reduction, Butler matrix, waveguide structure, single-layer, low loss,
	Summary \| Full Text:PDF(989.5KB)

A Coaxial Line to Post-Wall Waveguide Transition for a Cost-Effective Transformer between a RF-Device and a Planar Slot-Array Antenna in 60-GHz Band Takafumi KAI Yusuke KATOU Jiro HIROKAWA Makoto ANDO Hiroshi NAKANO Yasutake HIRACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/05/01 Vol. E89-B No. 5 pp. 1646-1653 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: home-link system, coaxial, post-wall waveguide, millimeter-wave band, PTFE,
	Summary \| Full Text:PDF(1MB)

Design of 1 m² Order Plasma Excitation Single-Layer Slotted Waveguide Array with Conducting Baffles and Quartz Glass Strips Using the GSM-MoM Analysis Takuichi HIRANO Kimio SAKURAI Jiro HIROKAWA Makoto ANDO Tetsuya IDE Atsushi SASAKI Kazufumi AZUMA Yukihiko NAKATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/05/01 Vol. E89-B No. 5 pp. 1627-1635 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: slotted waveguide arrays, unit cell, plasma, generalized scattering matrix method, method of moments, baffles,
	Summary \| Full Text:PDF(1.4MB)

A Waveguide Broad-Wall Transverse Slot Linear Array with Reflection-Canceling Inductive Posts and Grating-Lobe Suppressing Parasitic Dipoles M.G. SORWAR HOSSAIN Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/12/01 Vol. E88-C No. 12 pp. 2266-2273 Type of Manuscript: Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics) Category: Antenna Design Keyword: transverse slot, linear array, boresight beam, parasitic dipole, grating lobe, dual parasitic beam and reflection,
	Summary \| Full Text:PDF(1MB)

A Three-Way Divider for Partially-Corporate Feed in an Alternating Phase-Fed Single-Layer Slotted Waveguide Array Miao ZHANG Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/11/01 Vol. E88-B No. 11 pp. 4339-4345 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: divider, corporate feed, inductive post, alternating phase feed, single-layer slotted waveguide arrays,
	Summary \| Full Text:PDF(1.3MB) \| (Errata(Vol.E89-B NO.3,2006))

An Alternating-Phase Fed Single-Layer Slotted Waveguide Array in 76 GHz Band and Its Sidelobe Suppression Yuichi KIMURA Masanari TAKAHASHI Jiro HIROKAWA Makoto ANDO Misao HANEISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/10/01 Vol. E88-C No. 10 pp. 1952-1960 Type of Manuscript: Special Section PAPER (Special Section on Recent Technologies on Devices, Circuits, and Systems for Millimeter-wave ITS Applications) Category: Keyword: alternating-phase, slotted waveguide array, planar antenna, millimeter wave, sidelobe suppression,
	Summary \| Full Text:PDF(2.6MB)

A Half-Sized Post-Wall Short-Slot Directional Coupler with Hollow Rectangular Holes in a Dielectric Substrate Shin-ichi YAMAMOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/07/01 Vol. E88-C No. 7 pp. 1387-1394 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: Passive Circuits Keyword: short-slot coupler, length reduction, Butler matrix, post-wall waveguide, dielectric substrate, rectangular hole,
	Summary \| Full Text:PDF(2.1MB)

Reflection Characteristics of Center-Feed Single-Layer Waveguide Arrays Yasuhiro TSUNEMITSU SeHyun PARK Jiro HIROKAWA Makoto ANDO Yohei MIURA Yasuhiro KAZAMA Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/06/01 Vol. E88-B No. 6 pp. 2313-2319 Type of Manuscript: Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation) Category: Keyword: alternating phase fed array, center-feed, single-layer waveguide, reflection,
	Summary \| Full Text:PDF(1.7MB)

Grating Lobes Suppression in Transverse Slot Linear Array with a Dual Parasitic Beam of Strip Dipoles M.G. Sorwar HOSSAIN Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/06/01 Vol. E88-B No. 6 pp. 2320-2326 Type of Manuscript: Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation) Category: Keyword: transverse slot, bore-sight beam, parasitic dipole, grating lobe and dual parasitic beam,
	Summary \| Full Text:PDF(786.6KB)

A Post-Wall Waveguide Slot Array with a Three-Way Power Divider on a Single-Layer Dielectric Substrate Shin-ichi YAMAMOTO Nozomu HIKINO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/04/01 Vol. E88-B No. 4 pp. 1740-1742 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: sectoral beam, power divider, post-wall waveguide,
	Summary \| Full Text:PDF(716.6KB)

Feed through an Aperture to a Post-Wall Waveguide with Step Structure Takafumi KAI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/03/01 Vol. E88-B No. 3 pp. 1298-1302 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: post-wall waveguide, millimeter-wave bands, aperture,
	Summary \| Full Text:PDF(950KB)

A Design of a Leaky Waveguide Crossed-Slot Linear Array with a Matching Element by the Method of Moments with Numerical-Eigenmode Basis Functions Takuichi HIRANO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/03/01 Vol. E88-B No. 3 pp. 1219-1226 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: crossed-slot, slotted leaky waveguide arrays, circularly polarized wave, finite element method, method of moments, eigenmode basis functions,
	Summary \| Full Text:PDF(1.5MB)

Analysis of a Waveguide with a Round-Ended Wide Straight Slot by the Method of Moments Using Numerical-Eigenmode Basis Functions Miao ZHANG Takuichi HIRANO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/08/01 Vol. E87-B No. 8 pp. 2319-2326 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: round-ended slot, waveguide, numerical eigenmode basis functions, Method of Moments, finite element method, equivalent-area modification,
	Summary \| Full Text:PDF(1004.9KB)

A Study of Aspect Ratio of the Aperture and the Effect on Antenna Efficiency in Oversized Rectangular Slotted Waveguide Arrays Hisahiro KAI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/06/01 Vol. E87-B No. 6 pp. 1623-1630 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: parallel plate slotted waveguide arrays, oversized rectangular slotted waveguide arrays, aperture efficiency, aperture illumination, aspect ratio,
	Summary \| Full Text:PDF(2.9MB)

Mechanical Phase Shifting in the Power Divider for Single-Layer Slotted Waveguide Arrays Makoto HIGAKI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/02/01 Vol. E87-B No. 2 pp. 310-316 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: single-layer slotted waveguide array, mechanical beam scanning, power divider, mechanical phase shiter,
	Summary \| Full Text:PDF(1.3MB)

A Transformer between a Thin Post-Wall Waveguide and a Standard Metal Waveguide via a Dielectric Substrate Insertion with Slits Etched on It Takafumi KAI Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/01/01 Vol. E87-B No. 1 pp. 200-203 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: millimeter-wave band transformer, very thin post-wall waveguide, dielectric substrate with slits etched on both edges,
	Summary \| Full Text:PDF(520.4KB)

A Radial Line Slot Antenna Fed by a Rectangular Waveguide through a Crossed Slot Kaoru SUDO Takuichi HIRANO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/10/01 Vol. E86-B No. 10 pp. 3063-3070 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: solar power satellite, radial line slot antenna, feeder, crossed slot, method of moments, numerical eigenmode basis function,
	Summary \| Full Text:PDF(1.6MB)

Simple Analysis of a Slot and a Reflection-Canceling Post in a Rectangular Waveguide Using only the Axial Uniform Currents on the Post Surface Se-Hyun PARK Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/08/01 Vol. E86-B No. 8 pp. 2482-2487 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: slot antenna, waveguide, post,
	Summary \| Full Text:PDF(549.3KB)

A Beam Switching Slot Array with a 4-Way Butler Matrix Installed in Single Layer Post-Wall Waveguides Shin-ichi YAMAMOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/05/01 Vol. E86-B No. 5 pp. 1653-1659 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: Butler matrix, switching array, base station antenna, post-wall waveguide, millimeter-wave,
	Summary \| Full Text:PDF(1.5MB)

Development of Planar Antennas Yasuo SUZUKI Jiro HIROKAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/03/01 Vol. E86-B No. 3 pp. 909-924 Type of Manuscript: INVITED PAPER (Special Issue on Historical Review of Antenna Systems in Japan) Category: Keyword: planar antenna, circular polarization, microstrip antenna, radial line slot antenna, parallel plate waveguide,
	Summary \| Full Text:PDF(4MB)

Proposal for a Slot Pair Array Having an Invariant Main Beam Direction with a Cosecant Radiation Pattern Using a Post-Wall Waveguide Takeshi OHNO Koichi OGAWA Toshihiro TERAOKA Jiro HIROKAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/02/01 Vol. E86-C No. 2 pp. 176-183 Type of Manuscript: Special Section PAPER (Special Issue on Circuit and Device Technology for High-Speed Wireless Communication) Category: Antenna (Slot) Keyword: FWA, main beam direction, traveling wave, cosecant radiation pattern, Talor radiation pattern,
	Summary \| Full Text:PDF(782.4KB)

A Planar Cross-Junction Power Divider for the Center Feed in Single-Layer Slotted Waveguide Arrays Se-Hyun PARK Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/11/01 Vol. E85-B No. 11 pp. 2476-2481 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: power divider, waveguide, inductive post, single-layer slotted waveguide array,
	Summary \| Full Text:PDF(890.4KB)

A Millimeter-Wave Radial Line Slot Antenna Fed by a Rectangular Waveguide through a Ring Slot Kaoru SUDO Akira AKIYAMA Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/10/01 Vol. E84-C No. 10 pp. 1521-1527 Type of Manuscript: Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century) Category: Keyword: planer antenna for 38 GHz band FWA, radial line slot antenna-rectangular/circular waveguide transformer, circular polarization, rotation electric mode,
	Summary \| Full Text:PDF(2.3MB)

Low Sidelobe Single-Layer Slotted Waveguide Arrays at 76 GHz Band Yuichi KIMURA Kenji FUKAZAWA Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/09/01 Vol. E84-B No. 9 pp. 2377-2386 Type of Manuscript: Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems) Category: Millimeter-Wave Antennas Keyword: slot, waveguide, low sidelobe, millimeter wave antenna,
	Summary \| Full Text:PDF(1.3MB)

A Two-Beam Waveguide Slot Array with Sidelobe Suppression Yuichi KIMURA Hiroshi SHINODA Kenta WATANABE Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/04/01 Vol. E84-B No. 4 pp. 1070-1078 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: slot, waveguide, sidelobe, multi-beam,
	Summary \| Full Text:PDF(343.2KB)

60 GHz Band Small Aperture Conical Beam Radial Line Slot Antennas Akira AKIYAMA Jiro HIROKAWA Makoto ANDO Eriko TAKEDA Yukikazu ARAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/07/25 Vol. E82-C No. 7 pp. 1229-1235 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Phased Arrays and Antennas Keyword: radial line slot antenna, planar antenna, conical beam, millimeter wave,
	Summary \| Full Text:PDF(1.3MB)

A Full-Wave Analysis of a Complete Model for a Radial Line Slot Antenna Tetsuya YAMAMOTO Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/01/25 Vol. E82-B No. 1 pp. 165-173 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: radial line slot antenna, small aperture, rectangular cavity, method of moment,
	Summary \| Full Text:PDF(1.2MB)

Two-Way Power Divider for Partially Parallel Feed in Single-Layer Slotted Waveguide Arrays Kenji FUKAZAWA Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/06/25 Vol. E81-B No. 6 pp. 1248-1254 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: slotted waveguide array, power divider, feed circuit, τ-junction,
	Summary \| Full Text:PDF(653.6KB)

Phase Control of Circular Polarization from a Slot with a Parasitic Dipole Kyeong-Sik MIN Jiro HIROKAWA Kimio SAKURAI Makoto ANDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/03/25 Vol. E81-B No. 3 pp. 668-673 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: parasitic dipole, inclined slot, circular polarization, narrow-wall, waveguide,
	Summary \| Full Text:PDF(540.1KB)

A Single-Layer Linear-to-Circular Polarization Converter for a Narrow-Wall Slotted Waveguide Array Kyeong-Sik MIN Jiro HIROKAWA Kimio SAKURAI Makoto ANDO Naohisa GOTO Yasuhiko HARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/08/25 Vol. E80-B No. 8 pp. 1264-1272 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: single layer, polarization converter, dipole array, narrow-wall, slot, waveguide,
	Summary \| Full Text:PDF(762.2KB)

Single-Layer Slotted Waveguide Arrays for Millimeter Wave Applications Kunio SAKAKIBARA Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/12/25 Vol. E79-B No. 12 pp. 1765-1772 Type of Manuscript: Special Section PAPER (Special Issue on Millimeter-wave Short-range Application Systems Technology) Category: Keyword: slot antenna, array antenna, waveguide, high frequency, millimeter wave,
	Summary \| Full Text:PDF(849.2KB)

Periodic Boundary Condition for Evaluation of External Mutual Couplings in a Slotted Waveguide Array Kunio SAKAKIBARA Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/08/25 Vol. E79-B No. 8 pp. 1156-1164 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: antenna, array antenna, waveguide, resonant slot, mutual coupling,
	Summary \| Full Text:PDF(761.3KB)

A Single-Layer Power Divider for a Slotted Waveguide Array Using π-Junctions with an Inductive Wall Tsukasa TAKAHASHI Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/01/25 Vol. E79-B No. 1 pp. 57-62 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: slotted waveguide array, power divider,π-junction, inductive wall,
	Summary \| Full Text:PDF(503.7KB)

A Rotating Mode Radial Line Slot Antenna Fed by a Cavity Resonator Seiji HOSONO Jiro HIROKAWA Makoto ANDO Naohisa GOTO Hiroyuki ARAI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1995/03/25 Vol. E78-B No. 3 pp. 407-413 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: RLSA, rotational symmetry, concentric array, rotating mode, cavity resonator,
	Summary \| Full Text:PDF(606KB)

A Linearly-Polarized Slotted Waveguide Array Using Reflection-Cancelling Slot Pairs Kunio SAKAKIBARA Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1994/04/25 Vol. E77-B No. 4 pp. 511-518 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: antenna, array antenna, slot array, waveguide, reflection-cancelling slot pair,
	Summary \| Full Text:PDF(623.8KB)

A Single-Layer Multiple-Way Power Divider for a Planar Slotted Waveguide Array Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1992/08/25 Vol. E75-B No. 8 pp. 781-787 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: antenna, feed circuit, power divider, waveguide,
	Summary \| Full Text:PDF(568.7KB)

Waveguide π-Junction with an Inductive Post Jiro HIROKAWA Makoto ANDO Naohisa GOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1992/03/25 Vol. E75-C No. 3 pp. 348-351 Type of Manuscript: LETTER Category: Electromagnetic Theory Keyword: power divider, waveguide,
	Summary \| Full Text:PDF(260.1KB)