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Jiro Hirokawa
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2020 – today
- 2024
- [j99]Tianyu Wang, Takashi Tomura, Jiro Hirokawa:
Effective Design of an Array of Coupling Slots With a Reflection-Canceling Wall for a Parallel-Plate Slot Array Antenna. IEEE Access 12: 87479-87488 (2024) - [j98]Ryosuke Hasaba, Kazuhiro Eguchi, Toshiyuki Wakisaka, Jiro Hirokawa, Miyuki Hirose, Tohlu Matsushima, Yuki Fukumoto, Yuya Nishida, Kazuo Ishii:
Wavelet OFDM Wireless Communication System for Autonomous Underwater Vehicles Using Loop-Shaped Antennas in Underwater Environments. IEEE Access 12: 129633-129645 (2024) - 2023
- [j97]Baoquan Duan, Shijiu Zheng, Miao Zhang, Jiro Hirokawa, Qing Huo Liu:
A Broadband Full-Corporate-Fed Slot Array Antenna Based on the Single-Layer Substrate Integrated Waveguide. IEEE Access 11: 20230-20239 (2023) - [j96]Maharana Pratap Singh, Jiro Hirokawa, Saptarshi Ghosh:
A Double Layer Cross-Slot Aperture-Fed Millimeter-Wave Antenna Array With Wide Axial Ratio Bandwidth. IEEE Access 11: 68550-68559 (2023) - [j95]Qi Li, Jiro Hirokawa, Takashi Tomura, Yuta Takahashi, Naoki Kita, Nelson J. G. Fonseca:
A Two-Dimensional 6×4-Way Hollow Waveguide Beam-Switching Matrix. IEEE Access 11: 74239-74249 (2023) - [j94]Huanqian Xiong, Jiro Hirokawa, Takashi Tomura:
A Center-Fed Dual-Polarized Parallel-Plate Waveguide Slot Array Antenna Based on a Feeding Waveguide With Centered Longitudinal Feeding Slots. IEEE Access 11: 93793-93803 (2023) - [c5]Chikayo Hata, Takefumi Hiraguri, Takahiro Matsuda, Tetsuro Imai, Jiro Hirokawa:
Directional beam antenna control in response to drone tilts. ICCE-Taiwan 2023: 653-654 - 2022
- [j93]Shuang Ji, Jiro Hirokawa, Takashi Tomura:
A Wideband and High-Gain All-Metallic Perpendicular-Corporate-Fed Multi-Layered Parallel-Plate Slot Array Antenna. IEEE Access 10: 38000-38011 (2022) - [j92]Jun Goto, Akimichi Hirota, Kyosuke Mochizuki, Satoshi Yamaguchi, Kazunari Kihira, Toru Takahashi, Hideo Sumiyoshi, Masataka Otsuka, Naofumi Yoneda, Jiro Hirokawa:
Design of the Circularly Polarized Ring Microstrip Antenna with Shorting Pins. IEICE Trans. Commun. 105-B(1): 34-43 (2022) - [j91]Yuki Sunaguchi, Takashi Tomura, Jiro Hirokawa:
Control of Radiation Direction in an Aperture Array Excited by a Waveguide 2-Plane Hybrid Coupler. IEICE Trans. Commun. 105-B(8): 906-912 (2022) - [j90]Kentaro Nishimori, Jiro Hirokawa:
Multibeam Patterns Suitable for Massive MIMO Configurations. IEICE Trans. Commun. 105-B(10): 1162-1172 (2022) - [j89]Shihao Chen, Takashi Tomura, Jiro Hirokawa, Kota Ito, Mizuki Suga, Yushi Shirato, Daisei Uchida, Naoki Kita:
Design for Operation in Two Frequency Bands by Division of the Coupled Region in a Waveguide 2-Plane Coupler. IEICE Trans. Electron. 105-C(12): 729-739 (2022) - 2021
- [j88]Miao Zhang, Masahiro Wakasa, Koji Toyosaki, Kiyomichi Araki, Jiro Hirokawa, Makoto Ando:
Analysis of Intersymbol Interference Characterized by the Large Array Antennas Adopted in a 60-GHz-Band Gigabit Compact-Range Wireless Access System. IEEE Access 9: 80077-80087 (2021) - [j87]Jiyu He, Yaxiang Wu, Dan Chen, Miao Zhang, Jiro Hirokawa, Qing Huo Liu:
Realization of a Wideband Series-Fed 4 × 4-Element Waveguide Slot Array in the X-Band. IEEE Access 9: 83666-83675 (2021) - [j86]Jun Goto, Makoto Matsuki, Takashi Maruyama, Toru Fukasawa, Naofumi Yoneda, Jiro Hirokawa:
Design of the Traveling-Wave Series-Fed Microstrip Antenna Array with Power Control Slits of Unequal Inter-Element Spacing. IEICE Trans. Commun. 104-B(6): 624-629 (2021) - [j85]Koichiro Itakura, Akihiko Hirata, Masato Sonoda, Taiki Higashimoto, Tadao Nagatsuma, Takashi Tomura, Jiro Hirokawa, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu:
Control of 120-GHz-Band Split Ring Resonator Filter by Coupling Lattice Pattern Substrate. IEICE Trans. Electron. 104-C(3): 102-111 (2021) - [j84]Akihiko Hirata, Koichiro Itakura, Taiki Higashimoto, Yuta Uemura, Tadao Nagatsuma, Takashi Tomura, Jiro Hirokawa, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu:
Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern. IEICE Trans. Electron. 104-C(10): 587-595 (2021) - 2020
- [j83]Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, Jiro Hirokawa:
Novel Unmanned Aerial Vehicle-Based Line-of-Sight MIMO Configuration Independent of Transmitted Distance Using Millimeter Wave. IEEE Access 8: 11679-11691 (2020) - [j82]Takashi Tomura, Yuta Saito, Jiro Hirokawa:
8 × 2-Element 60-GHz-Band Circularly Polarized Post-Wall Waveguide Slot Array Antenna Loaded With Dipoles. IEEE Access 8: 85950-85957 (2020) - [j81]Mohamed K. Emara, Sonya K. Stuhec-Leonard, Takashi Tomura, Jiro Hirokawa, Shulabh Gupta:
Laser-Drilled All-Dielectric Huygens' Transmit-Arrays as 120 GHz Band Beamformers. IEEE Access 8: 153815-153825 (2020) - [j80]Yaxiang Wu, Bolin Jiang, Miao Zhang, Jiro Hirokawa, Qing Huo Liu:
A Four-Corner-Fed Slotted Waveguide Sparse Array for Near-Field Focusing. IEEE Access 8: 203048-203057 (2020) - [j79]Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa:
Transmission Enhancement in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays for a Given Distance in the Non-Far Region Communication. IEICE Trans. Commun. 103-B(2): 130-138 (2020) - [j78]Haruka Arakawa, Takashi Tomura, Jiro Hirokawa:
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. IEICE Trans. Commun. 103-B(9): 960-968 (2020) - [j77]Tuchjuta Ruckkwaen, Takashi Tomura, Kiyomichi Araki, Jiro Hirokawa, Makoto Ando:
Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using a Large Array Antenna in the Millimeter-Wave Band. IEICE Trans. Commun. 103-B(10): 1136-1146 (2020) - [j76]Pyne Budhaditya, Hirobumi Saito, Prilando Riziki Akbar, Jiro Hirokawa, Takashi Tomura, Koji Tanaka:
Development and Performance Evaluation of Small SAR System for 100-kg Class Satellite. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 13: 3879-3891 (2020)
2010 – 2019
- 2019
- [j75]Takashi Tomura, Dong-Hun Kim, Masahiro Wakasa, Yuki Sunaguchi, Jiro Hirokawa, Kentaro Nishimori:
A 20-GHz-Band 64 × 64 Hollow Waveguide Two-Dimensional Butler Matrix. IEEE Access 7: 164080-164088 (2019) - [j74]Hisanori Irie, Takashi Tomura, Jiro Hirokawa:
Perpendicular-Corporate Feed in a Four-Layer Circularly-Polarized Parallel-Plate Slot Array. IEICE Trans. Commun. 102-B(1): 137-146 (2019) - [j73]Monai Krairiksh, Jiro Hirokawa:
Foreword. IEICE Trans. Commun. 102-B(2): 165 (2019) - [j72]Takashi Tomura, Haruhisa Hirayama, Jiro Hirokawa:
A PCB-Integratable Metal Cap Slot Antenna for 60-GHz Band Mobile Terminals. IEICE Trans. Commun. 102-B(2): 317-323 (2019) - [j71]Takayoshi Hirasawa, Shigeyuki Akiba, Jiro Hirokawa, Makoto Ando:
Fabrication and Evaluation of Integrated Photonic Array-Antenna System for RoF Based Remote Antenna Beam Forming. IEICE Trans. Electron. 102-C(3): 235-242 (2019) - [j70]Masahiro Wakasa, Dong-Hun Kim, Takashi Tomura, Jiro Hirokawa:
Wideband Design of a Short-Slot 2-Plane Coupler by the Mode Matching/FEM Hybrid Analysis Considering the Structural Symmetry. IEICE Trans. Commun. 102-B(5): 1019-1026 (2019) - [j69]Masafumi Nagasaka, Masaaki Kojima, Hisashi Sujikai, Jiro Hirokawa:
12- and 21-GHz Dual-Band Dual-Circularly Polarized Offset Parabolic Reflector Antenna Fed by Microstrip Antenna Arrays for Satellite Broadcasting Reception. IEICE Trans. Commun. 102-B(7): 1323-1333 (2019) - [c4]Sergio Barberis, Daniele Disco, Roberto Vallauri, Takashi Tomura, Jiro Hirokawa:
Millimeter Wave Antenna for Information Shower: Design Choices and Performance. EuCNC 2019: 128-132 - [c3]Hirobumi Saito, Koichi Ijichi, Jiro Hirokawa, Takashi Tomura, Prilando Rizki Akbar, Pyne Budhaditya, Koji Tanaka, Makoto Mita, Tomoki Kaneko, Hiromi Watanabe:
Development of Compact SAR Systems for Small Satellite. IGARSS 2019: 8440-8443 - 2018
- [j68]Xiaohe Cheng, Yuan Yao, Takashi Tomura, Jiro Hirokawa, Tao Yu, Junsheng Yu, Xiaodong Chen:
Millimeter-Wave Frequency Beam Scanning Array With a Phase Shifter Based on Substrate-Integrated-Waveguide. IEEE Access 6: 47408-47414 (2018) - [j67]Xiaohe Cheng, Yuan Yao, Takashi Tomura, Jiro Hirokawa, Tao Yu, Junsheng Yu, Xiaodong Chen:
A Compact Multi-Beam End-Fire Circularly Polarized Septum Antenna Array for Millimeter-Wave Applications. IEEE Access 6: 62784-62792 (2018) - [j66]Pablo Padilla, Jiro Hirokawa, Lars J. Foged, Juha Ala-Laurinahoo, Damir Senic, Astrid Algaba-Brazalez, Ahmed Hussain, Juan F. Valenzuela-Valdés:
Future 5G Millimeter-Wave Systems and Terminals: Propagation Channel, Communication Techniques, Devices, and Measurements. IEEE Commun. Mag. 56(7): 12-13 (2018) - [j65]Jiro Hirokawa:
Foreword. IEICE Trans. Commun. 101-B(2): 261 (2018) - [j64]Akihiko Hirata, Jiro Hirokawa:
Absorber Integrated Planar Slot Array Antenna for Suppression of Multiple Reflection in 120-GHz-Band Close-Proximity Wireless System. IEICE Trans. Electron. 101-C(10): 791-800 (2018) - [j63]Dong-Hun Kim, Jiro Hirokawa, Makoto Ando:
Wideband Waveguide Short-Slot 2-Plane Coupler Using Frequency Shift of Propagating Modes. IEICE Trans. Electron. 101-C(10): 815-821 (2018) - [j62]Akihide Nagamine, Kanshiro Kashiki, Fumio Watanabe, Jiro Hirokawa:
Performance Analysis and Hardware Verification of Feature Detection Using Cyclostationarity in OFDM Signal. IEICE Trans. Commun. 101-B(10): 2142-2151 (2018) - 2017
- [j61]Akihiko Hirata, Jun Takeuchi, Keisuke Hashimoto, Jiro Hirokawa:
Alignment Control System Using Beam-Tilting 1-D Waveguide-Slot Array Antennas for 120-GHz-Band Corporate-Feed High-Gain 2-D Arrays. IEICE Trans. Commun. 100-B(1): 158-166 (2017) - [j60]Xin Xu, Jiro Hirokawa, Makoto Ando:
Plate-Laminated Waveguide Monopulse Slot Array Antenna with Full-Corporate-Feed in the E-Band. IEICE Trans. Commun. 100-B(4): 575-585 (2017) - [j59]Jiro Hirokawa, Qiang Chen, Mitoshi Fujimoto, Ryo Yamaguchi:
Recent Technologies in Japan on Array Antennas for Wireless Systems. IEICE Trans. Commun. 100-B(9): 1644-1652 (2017) - [j58]Hirobumi Saito, Prilando Rizki Akbar, Hiromi Watanabe, Vinay Ravindra, Jiro Hirokawa, Kenji Ura, Pyne Budhaditya:
Compact X-Band Synthetic Aperture Radar for 100kg Class Satellite. IEICE Trans. Commun. 100-B(9): 1653-1660 (2017) - [j57]Dong-Hun Kim, Jiro Hirokawa, Makoto Ando:
One-Body 2-D Beam-Switching Butler Matrix with Waveguide Short-Slot 2-Plane Couplers. IEICE Trans. Electron. 100-C(10): 884-892 (2017) - [j56]Kotoko Furuya, Takayoshi Hirasawa, Masayuki Oishi, Shigeyuki Akiba, Jiro Hirokawa, Makoto Ando:
60GHz-Band Photonic-Integrated Array-Antenna and Module for Radio-over-Fiber-Based Beam Forming. IEICE Trans. Commun. 100-B(10): 1717-1725 (2017) - [j55]Vinay Ravindra, Hirobumi Saito, Jiro Hirokawa, Miao Zhang, Atsushi Tomiki:
A TM010 Cavity Power-Combiner with Microstrip Line Inputs. IEICE Trans. Electron. 100-C(12): 1087-1096 (2017) - [c2]Akihide Nagamine, Kanshiro Kashiki, Fumio Watanabe, Jiro Hirokawa:
Performance analysis and hardware verification of signal detection scheme using cyclic prefix in OFDM. WPMC 2017: 94-99 - 2016
- [j54]Naoya Oikawa, Jiro Hirokawa, Hiroshi Nakano, Yasutake Hirachi, Hiroshi Isono, Atsushi Ishii, Makoto Ando:
A 60GHz-Band High-Efficiency Antenna with a Thick Resin Layer and Differentially Fed through a Hole in a Silicon Chip. IEICE Trans. Commun. 99-B(1): 27-32 (2016) - [j53]Satoshi Ito, Miao Zhang, Jiro Hirokawa, Makoto Ando:
A 12×16-Element Double-Layer Corporate-Feed Waveguide Slot Array Antenna. IEICE Trans. Commun. 99-B(1): 40-47 (2016) - [j52]Tadao Nagatsuma, Kazuki Oogimoto, Yuki Inubushi, Jiro Hirokawa:
Practical considerations of terahertz communications for short distance applications. Nano Commun. Networks 10: 1-12 (2016) - 2015
- [j51]Jiro Hirokawa:
Foreword. IEICE Trans. Commun. 98-B(5): 754 (2015) - [j50]Hung V. Le, Carlo Capsoni, Roberto Nebuloni, Lorenzo Luini, Takuichi Hirano, Toru Taniguchi, Jiro Hirokawa, Makoto Ando:
Rain Sensing Using Dual-Frequency Measurements from Small-Scale Millimeter-Wave Network. IEICE Trans. Commun. 98-B(6): 1040-1049 (2015) - [j49]Tung Nguyen, Jiro Hirokawa, Makoto Ando, Manuel Sierra-Castañer:
Design of mm-Wave RLSAs with Lossy Waveguides by Slot Coupling Control Techniques. IEICE Trans. Commun. 98-B(9): 1865-1872 (2015) - 2014
- [j48]Miao Zhang, Jiro Hirokawa, Makoto Ando:
Double-Layer Plate-Laminated Waveguide Slot Array Antennas for a 39GHz Band Fixed Wireless Access System. IEICE Trans. Commun. 97-B(1): 122-128 (2014) - [j47]Miao Zhang, Jiro Hirokawa, Makoto Ando:
A Partially-Corporate Feed Double-Layer Waveguide Slot Array with the Sub-Arrays also Fed in Alternating-Phases. IEICE Trans. Commun. 97-B(2): 469-475 (2014) - [j46]Takashi Tomura, Jiro Hirokawa, Takuichi Hirano, Makoto Ando:
A Wideband 16×16-Element Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band. IEICE Trans. Commun. 97-B(4): 798-806 (2014) - [j45]Hung V. Le, Hasan Md. Mohibul, Takuichi Hirano, Toru Taniguchi, Akira Yamaguchi, Jiro Hirokawa, Makoto Ando:
Millimeter-Wave Propagation Characteristics and Localized Rain Effects in a Small-Scale University Campus Network in Tokyo. IEICE Trans. Commun. 97-B(5): 1012-1021 (2014) - [j44]Tung Nguyen, Rushanthi Jayawardene, Kimio Sakurai, Jiro Hirokawa, Makoto Ando, Manuel Sierra-Castañer, Osamu Amano, Shuichi Koreeda, Takaomi Matsuzaki, Yukio Kamata:
Propagation Characteristics of Honeycomb Structures Used in mm-Wave Radial Line Slot Antennas. IEICE Trans. Commun. 97-B(6): 1139-1147 (2014) - [j43]Masayuki Oishi, Yoshihiro Nishikawa, Kosuke Nishimura, Keiji Tanaka, Shigeyuki Akiba, Jiro Hirokawa, Makoto Ando:
Phased Array Antenna Beam Steering Scheme for Future Wireless Access Systems Using Radio-over-Fiber Technique. IEICE Trans. Commun. 97-B(7): 1281-1289 (2014) - [j42]Yusuke Uemichi, Ryouhei Hosono, Ning Guan, Jiro Hirokawa, Makoto Ando:
A Simple Through-Hole Based Transformer between Microstrip Line and Post-Wall Waveguide for Millimeter-Wave Applications. IEICE Trans. Electron. 97-C(10): 941-947 (2014) - [c1]Shigeyuki Akiba, Masayuki Oishi, Yoshihiro Nishikawa, Kyo Minoguchi, Jiro Hirokawa, Makoto Ando:
Photonic architecture for beam forming of RF phased array antenna. OFC 2014: 1-3 - 2013
- [j41]Dongjin Kim, Jiro Hirokawa, Kimio Sakurai, Makoto Ando, Takuma Takada, Tadao Nagatsuma, Jun Takeuchi, Akihiko Hirata:
Design and Measurement of the Plate Laminated Waveguide Slot Array Antenna and Its Feasibility for Wireless Link System in the 120 GHz Band. IEICE Trans. Commun. 96-B(8): 2102-2111 (2013) - [j40]Tung Nguyen, Rushanthi Jayawardene, Yasutomo Takano, Kimio Sakurai, Jiro Hirokawa, Makoto Ando, Osamu Amano, Shuichi Koreeda, Takaomi Matsuzaki, Yukio Kamata:
An Equivalent Double Layer Model for a Fast Design and Analysis of High Gain-Multilayer Radial Line Slot Antennas. IEICE Trans. Commun. 96-B(11): 2891-2900 (2013) - [j39]Jun Asano, Jiro Hirokawa, Hiroshi Nakano, Yasutake Hirachi, Hiroshi Isono, Atsushi Ishii, Makoto Ando:
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. IEICE Trans. Commun. 96-B(12): 3108-3115 (2013) - 2012
- [j38]Yuanfeng She, Jiro Hirokawa, Makoto Ando, Daisuke Hanatani, Masahiro Fujimoto:
LTCC Partially-Filled Post-Wall Rectangular-Waveguide Slot Array Antenna in the Millimeter-Wave Band. IEICE Trans. Electron. 95-C(10): 1635-1642 (2012) - 2011
- [j37]Jae-Ho Lee, Takuichi Hirano, Jiro Hirokawa, Makoto Ando:
Practical Slot Array Design by Method of Moments Using One Basis Function and Constant Correction Length. IEICE Trans. Commun. 94-B(1): 158-165 (2011) - [j36]Jae-Ho Lee, Jiro Hirokawa, Makoto Ando:
A Center-Feed Linear Array of Reflection-Canceling Slot Pairs on Post-Wall Waveguide. IEICE Trans. Commun. 94-B(1): 326-329 (2011) - [j35]Yuanfeng She, Thi Huong Tran, Koh Hashimoto, Jiro Hirokawa, Makoto Ando:
Loss of Post-Wall Waveguides and Efficiency Estimation of Parallel-Plate Slot Arrays Fed by the Post-Wall Waveguide in the Millimeter-Wave Band. IEICE Trans. Electron. 94-C(3): 312-320 (2011) - [j34]Miao Zhang, Jiro Hirokawa, Makoto Ando:
Full-Wave Design Considering Slot Admittance in 2-D Waveguide Slot Arrays with Perfect Input Matching. IEICE Trans. Commun. 94-B(3): 725-734 (2011) - [j33]Yuya Ono, Takuichi Hirano, Kenichi Okada, Jiro Hirokawa, Makoto Ando:
Eigenmode Analysis of Propagation Constant for a Microstrip Line with Dummy Fills on a Si CMOS Substrate. IEICE Trans. Electron. 94-C(6): 1008-1015 (2011) - [j32]Yohei Miura, Jiro Hirokawa, Makoto Ando, Kazufumi Igarashi, Goro Yoshida:
A High-Efficiency Circularly-Polarized Aperture Array Antenna with a Corporate-Feed Circuit in the 60 GHz Band. IEICE Trans. Electron. 94-C(10): 1618-1625 (2011) - 2010
- [j31]Miroslav Samardzija, Jiro Hirokawa, Makoto Ando:
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. IEICE Trans. Commun. 93-B(4): 871-878 (2010) - [j30]Koh Hashimoto, Jiro Hirokawa, Makoto Ando:
Design of Post-Wall Feed Waveguide for a Parallel Plate Slot Array by an Analysis Model with Corrected Solid-Walls. IEICE Trans. Commun. 93-B(6): 1566-1573 (2010) - [j29]Jae-Ho Lee, Kimio Sakurai, Jiro Hirokawa, Makoto Ando:
Connected Post-Wall (C-PW) Waveguide for Efficient Design of Broad Wall Slots by Using Equivalent Solid-Wall Waveguide. IEICE Trans. Electron. 93-C(7): 1038-1046 (2010) - [j28]Koh Hashimoto, Jiro Hirokawa, Makoto Ando:
A Post-Wall Center-Feed Waveguide Circuit Consisting of T-Junctions for Reducing the Slot-Free Area in a Parallel Plate Slot Array Antenna. IEICE Trans. Electron. 93-C(7): 1047-1054 (2010) - [j27]Miao Zhang, Jiro Hirokawa, Makoto Ando:
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. IEICE Trans. Commun. 93-B(10): 2538-2544 (2010) - [j26]Hideki Ueda, Jiro Hirokawa, Makoto Ando, Matteo Albani:
A Coaxial Feeder with Two Pairs of Parasitic Pins for Realizing Rotationally Symmetric Aperture Illumination in Spiral Array Radial Line Slot Antennas. IEICE Trans. Commun. 93-B(10): 2554-2561 (2010)
2000 – 2009
- 2009
- [j25]JungAun Lee, Jiro Hirokawa, Makoto Ando:
Bandwidth Enhancement of Aperture Feed by an Air Rectangular Cavity Backing in a LTCC Post-Wall Waveguide. IEICE Trans. Electron. 92-C(1): 121-126 (2009) - [j24]Takehito Suzuki, Jiro Hirokawa, Makoto Ando:
Analysis and Uniform Design of a Single-Layer Slotted Waveguide Array Antenna with Baffles. IEICE Trans. Commun. 92-B(1): 150-158 (2009) - [j23]Takehito Suzuki, Jiro Hirokawa, Makoto Ando:
Analysis and Design of a Reflection-Cancelling Transverse Slot-Pair Array with Grating-Lobe Suppressing Baffles. IEICE Trans. Commun. 92-B(10): 3236-3242 (2009) - [j22]Thi Huong Tran, Yuanfeng She, Jiro Hirokawa, Kimio Sakurai, Yoshinori Kogami, Makoto Ando:
Evaluation of Effective Conductivity of Copper-Clad Dielectric Laminate Substrates in Millimeter-Wave Bands Using Whispering Gallery Mode Resonators. IEICE Trans. Electron. 92-C(12): 1504-1511 (2009) - 2008
- [j21]Hideki Ueda, Jiro Hirokawa, Makoto Ando, Osamu Amano, Yukio Kamata:
A Lightweight Radial Line Slot Antenna with Honeycomb Structure for Space Use. IEICE Trans. Commun. 91-B(3): 871-877 (2008) - [j20]Yasuhiro Tsunemitsu, Goro Yoshida, Naohisa Goto, Jiro Hirokawa, Makoto Ando:
The Ridged Cross-Junction Multiple-Way Power Divider for Small Blockage and Symmetrical Slot Arrangement in the Center Feed Single-Layer Slotted Waveguide Array. IEICE Trans. Commun. 91-B(6): 1767-1772 (2008) - [j19]Miao Zhang, Jiro Hirokawa, Makoto Ando:
Fabrication of Alternating-Phase Fed Single-Layer Slotted Waveguide Arrays Using Plastic Materials with Metal-Plating. IEICE Trans. Commun. 91-B(8): 2761-2763 (2008) - [j18]JungAun Lee, Jiro Hirokawa, Makoto Ando:
Step Width Tolerable for Offset of the Aperture in a Millimeter-Wave Transducer between Post-Wall and Hollow Standard Waveguides. IEICE Trans. Electron. 91-C(12): 1910-1916 (2008) - 2007
- [j17]Takafumi Kai, Jiro Hirokawa, Makoto Ando:
Moment Method Analysis of a Plane Wave Generator in an Oversized Rectangular Waveguide. IEICE Trans. Commun. 90-B(1): 105-113 (2007) - [j16]Takafumi Kai, Jiro Hirokawa, Makoto Ando, Hiroshi Nakano, Yasutake Hirachi:
A Cost-Effective Transition between a Microstrip Line and a Post-Wall Waveguide Using a Laminated LTCC Substrate in 60-GHz Band. IEICE Trans. Electron. 90-C(4): 907-910 (2007) - 2006
- [j15]Toshinori Kondo, Jiro Hirokawa, Kimio Sakurai, Makoto Ando:
Feasibility of mechanical beam scan by movable dielectric blocks in the feeder of a single-layer waveguide array antenna. IEICE Electron. Express 3(2): 29-33 (2006) - [j14]Kei Sato, Jiro Hirokawa, Kaoru Sudo, Makoto Ando:
Coupling of a circularly polarized slot pair on a corrugated waveguide of finite length. IEICE Electron. Express 3(19): 424-428 (2006) - [j13]Takuichi Hirano, Kimio Sakurai, Jiro Hirokawa, Makoto Ando, Tetsuya Ide, Atsushi Sasaki, Kazufumi Azuma, Yukihiko Nakata:
Design of 1 m2 Order Plasma Excitation Single-Layer Slotted Waveguide Array with Conducting Baffles and Quartz Glass Strips Using the GSM-MoM Analysis. IEICE Trans. Commun. 89-B(5): 1627-1635 (2006) - [j12]Takafumi Kai, Yusuke Katou, Jiro Hirokawa, Makoto Ando, Hiroshi Nakano, Yasutake Hirachi:
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. IEICE Trans. Commun. 89-B(5): 1646-1653 (2006) - [j11]Shin-ichi Yamamoto, Jiro Hirokawa, Makoto Ando:
A Single-Layer Hollow-Waveguide 8-Way Butler Matrix. IEICE Trans. Electron. 89-C(7): 1080-1088 (2006) - 2005
- [j10]Takuichi Hirano, Jiro Hirokawa, Makoto Ando:
A Design of a Leaky Waveguide Crossed-Slot Linear Array with a Matching Element by the Method of Moments with Numerical-Eigenmode Basis Functions. IEICE Trans. Commun. 88-B(3): 1219-1226 (2005) - [j9]Takafumi Kai, Jiro Hirokawa, Makoto Ando:
Feed through an Aperture to a Post-Wall Waveguide with Step Structure. IEICE Trans. Commun. 88-B(3): 1298-1302 (2005) - [j8]Shin-ichi Yamamoto, Nozomu Hikino, Jiro Hirokawa, Makoto Ando:
A Post-Wall Waveguide Slot Array with a Three-Way Power Divider on a Single-Layer Dielectric Substrate. IEICE Trans. Commun. 88-B(4): 1740-1742 (2005) - [j7]Yasuhiro Tsunemitsu, Sehyun Park, Jiro Hirokawa, Makoto Ando, Yohei Miura, Yasuhiro Kazama, Naohisa Goto:
Reflection Characteristics of Center-Feed Single-Layer Waveguide Arrays. IEICE Trans. Commun. 88-B(6): 2313-2319 (2005) - [j6]M. G. Sorwar Hossain, Jiro Hirokawa, Makoto Ando:
Grating Lobes Suppression in Transverse Slot Linear Array with a Dual Parasitic Beam of Strip Dipoles. IEICE Trans. Commun. 88-B(6): 2320-2326 (2005) - [j5]Shin-ichi Yamamoto, Jiro Hirokawa, Makoto Ando:
A Half-Sized Post-Wall Short-Slot Directional Coupler with Hollow Rectangular Holes in a Dielectric Substrate. IEICE Trans. Electron. 88-C(7): 1387-1394 (2005) - [j4]Yuichi Kimura, Masanari Takahashi, Jiro Hirokawa, Makoto Ando, Misao Haneishi:
An Alternating-Phase Fed Single-Layer Slotted Waveguide Array in 76 GHz Band and Its Sidelobe Suppression. IEICE Trans. Electron. 88-C(10): 1952-1960 (2005) - [j3]Miao Zhang, Jiro Hirokawa, Makoto Ando:
A Three-Way Divider for Partially-Corporate Feed in an Alternating Phase-Fed Single-Layer Slotted Waveguide Array. IEICE Trans. Commun. 88-B(11): 4339-4345 (2005) - [j2]M. G. Sorwar Hossain, Jiro Hirokawa, Makoto Ando:
A Waveguide Broad-Wall Transverse Slot Linear Array with Reflection-Canceling Inductive Posts and Grating-Lobe Suppressing Parasitic Dipoles. IEICE Trans. Electron. 88-C(12): 2266-2273 (2005) - 2004
- [j1]Hisahiro Kai, Jiro Hirokawa, Makoto Ando:
Circularly Polarized Post-wall Waveguide Slotted Arrays. IEICE Electron. Express 1(1): 7-12 (2004)
Coauthor Index
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