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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, RCS (Joint) |
2019-11-20 14:15 |
Saga | Saga Univ. | Analysis for Gap Waveguide Considering Structural Periodicity and Design of Mode Converter Keisuke Ejiri, Takashi Tomura, Jiro Hirokawa (Tokyo Tech)  AP2019-112 |
Gap waveguide consists of parallel metal plates and waffle iron structure, which has electromagnetic bandgap. The waffle... [more] | AP2019-112 pp.35-40 |
| AP, RCS (Joint) |
2019-11-20 14:40 |
Saga | Saga Univ. | Mutual Coupling Suppression and Improvement of the Near-Field Transmission by using a Substrate Layer in a Corporate-feed Waveguide Slot Array Antenna Kentaro Wada, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.), Akihiko Hirata (CIT) AP2019-113 |
[more] | AP2019-113 pp.41-45 |
| AP, RCS (Joint) |
2019-11-21 10:55 |
Saga | Saga Univ. | Power Receiving Eight-Power-Dividing Radial Line Slot Array Antennas for 5.8-GHz-Band Beam-Type Wireless Power Transmission System Takashi Tomura, Jiro Hirokawa (Tokyo Tech), Minoru Furukawa, Teruo Fujiwara (Sho Engineering Corp.) AP2019-121 |
In this paper, we design an power receiving eight-power-dividing radial line slot antenna (RLSA) for 5.8-GHz-band beam-t... [more] | AP2019-121 pp.87-90 |
| AP, RCS (Joint) |
2019-11-22 09:50 |
Saga | Saga Univ. | LOS-MIMO antenna array configuration independent of transmit distance Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIT), Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2019-131 |
[more] | AP2019-131 pp.133-138 |
| CQ (2nd) |
2019-09-04 13:50 |
Tokyo | Inter-University Seminar House | [Poster Presentation]
A Study of Drones Communication with LOS-MIMO Transmission and 66 GHz Band Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIT), Takashi Tomura, Jiro Hirokawa (Tokyo Tech) |
[more] | |
| MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2019-07-18 10:25 |
Hokkaido | Hakodate City Central Library | Anisotropic conductivity measurement of plate laminated waveguides by two kinds of multimode rectangular resonators in millimeter wave band Takashi Tomura, Jiro Hirokawa (Tokyo Tech) EMT2019-7 MW2019-20 OPE2019-11 EST2019-9 MWP2019-7 |
In this paper, we present anisotropic conductivity measurement of plate laminated waveguides by two kinds of multimode r... [more] | EMT2019-7 MW2019-20 OPE2019-11 EST2019-9 MWP2019-7 pp.5-9 |
| AP | 2019-05-16 14:55 |
Hyogo | Kanpo-no-yado Arima (Arima Onsen, Hyogo) | Sidelobe Suppression in a Corporate-feed Waveguide Slot Array Antenna consisting of 2×2-element Radiating Units Jiro Hirokawa, Haruka Arakawa, Takashi Tomura (Tokyo Tech) AP2019-5 |
We have suppressed sidelobe level in the tilted direction between 30-40 deg. in Taylor radiation pattern by using a slit... [more] | AP2019-5 pp.25-28 |
| AP | 2019-03-14 13:05 |
Fukushima | Yunoya (Iizaka Onsen, Fukushima) | Design of 8×2-element 60-GHz Band Circularly Polarized Post-wall Waveguide Slot Array Antenna Loaded with Dipoles Yuta Saito, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) AP2018-186 |
8×2-element 60-GHz band circularly polarized post-wall waveguide slot array antenna loaded with dipole is designed. We d... [more] | AP2018-186 pp.1-6 |
| WPT | 2019-03-08 16:20 |
Kyoto | Kyoto Univ. Uji Campus | Measurement of SAR Antenna For Small Satellite At METLAB Part3 Prilando Rizki Akbar (Keio Univ.), Hirobumi Saito, Koji Tanaka, Budhaditya Pyne (JAXA), Jiro Hirokawa, Takashi Tomura (Tokyo Industry Univ.) WPT2018-95 |
[more] | WPT2018-95 pp.153-158 |
| SR | 2019-01-25 11:15 |
Fukushima | Corasse, Fukushima city (Fukushima prefecture) | [Invited Talk]
On artificial propagation environment control by unmanned airplane Kentaro Nishimori, Naoki Matsumura, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIIT), Takashi Tomura, Jiro Hirokawa (TIT) SR2018-112 |
[more] | SR2018-112 pp.97-102 |
| WPT, AP (Joint) |
2019-01-17 11:15 |
Aichi | Toyota Automobile Museum | [Invited Lecture]
Propagation Environment Control by Drone MIMO Relay Station with LOS-MIMO Transmission and Millimeter Wave Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIT), Takashi Tomura, Jiro Hirokawa (TIT) AP2018-154 |
[more] | AP2018-154 pp.19-22 |
| WPT, AP (Joint) |
2019-01-17 12:55 |
Aichi | Toyota Automobile Museum | Study on 5.8-GHz band Beam-Type Wireless Power Transmission by Radial Line Slot Antennas Takashi Tomura, Jiro Hirokawa (Tokyo Tech), Minoru Furukawa, Teruo Fujiwara (Sho Engineering Corp.) AP2018-156 |
In this paper, we propose beam-type wireless power transmission by two radial line slot antennas. The radiation elements... [more] | AP2018-156 pp.29-32 |
| AP | 2018-12-13 13:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design of a Perpendicular-corporate Feed in a Four-layer Parallel-plate 45-degree Polarization Slot Array Antenna Hisanori Irie, Takashi Tomura, Jiro Hirokawa (TITECH) AP2018-145 |
This paper presents the design of a perpendicular-corporate feed in a four-layer parallel-plate 45-degree polarization s... [more] | AP2018-145 pp.1-4 |
| RCS, AP (Joint) |
2018-11-20 10:05 |
Okinawa | Okinawa Industry Support Center | Design of H-plane Sidelobe Suppression using a Slit Layer in a Corporate-feed Waveguide Slot Array Antenna consisting of 2x2-element Radiating Units Haruka Arakawa, Hisanori Irie, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.) AP2018-101 |
We have suppressed H-plane sidelobe level in the tilted directions around 30-40 degrees in Taylor radiation pattern by i... [more] | AP2018-101 pp.1-4 |
| RCS, AP (Joint) |
2018-11-20 10:25 |
Okinawa | Okinawa Industry Support Center | Design of Undesired-resonance Exclusion of a Degeneration-separated Hexagonal-cross-section Waveguide Circularly Polarized Aperture Antenna Shuki Wai, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.) AP2018-102 |
The corporate-feed waveguide slot array antenna is a high-efficiency and wide-band antenna in the millimeter-wave band. ... [more] | AP2018-102 pp.5-8 |
| RCS, AP (Joint) |
2018-11-20 11:35 |
Okinawa | Okinawa Industry Support Center | Radiation Characteristics of a Semi-rigid Cable Monopole Antenna Inserted into a 60GHz-band Oscillator Chip Yuta Saito, Takashi Tomura, Jiro Hirokawa, Kenichi Okada (Tokyo Tech) AP2018-105 |
[more] | AP2018-105 pp.19-22 |
| AP | 2018-05-17 11:00 |
Kumamoto | Kumamoto Univ. | Design of 2×2-Element Waveguide Slot Arrays by Filter Design Theory Takashi Tomura, Jiro Hirokawa (Tokyo Tech.) AP2018-16 |
In this paper, we report design results of a 2×2-element waveguide slot array by filter design theory. The designed ante... [more] | AP2018-16 pp.17-21 |
| AP | 2018-03-09 09:30 |
Gunma | Hotel Ichii (Kusatsu, Gunma) | Double-layer Slit Structure to Suppress E-plane Sidelobes in a Corporate-feed Waveguide Slot Array Antenna of 2x2-element Radiating Units Haruka Arakawa, Hisanori Irie, Takashi Tomura, Jiro Hirokawa (Tokyo Inst. of Tech.) AP2017-195 |
We have suppressed E-plane sidelobe level in the tilted direction between 30-40 deg. in Taylor radiation pattern by intr... [more] | AP2017-195 pp.19-22 |
| AP | 2018-03-09 09:55 |
Gunma | Hotel Ichii (Kusatsu, Gunma) | Design of a Dual-polarized Slot Array Antenna with Monopulse Corporate-feed Waveguides for Two-dimensional Orthogonal 8-multiplexing in the Non-far Region Kentaro Wada, Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Inst. of Tech.) AP2017-196 |
We have proposed a dual-polarized slot array antenna with monopulse corporate-feed waveguides for rectangular-coordinate... [more] | AP2017-196 pp.23-26 |
| EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] | 2018-01-25 10:50 |
Hyogo | Millimeter-Wave Band Beamforming of Array-Antenna Integrated with Photodiode by Radio-over-Fiber Technique Using Variable Optical Delay Line Tatsuya Nagayama, Shigeyuki Akiba, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.) PN2017-71 EMT2017-108 OPE2017-149 LQE2017-131 EST2017-107 MWP2017-84 |
For the simplification of the mobile base stations architecture, we have presented remote beamforming of array antenna i... [more] | PN2017-71 EMT2017-108 OPE2017-149 LQE2017-131 EST2017-107 MWP2017-84 pp.197-202 |
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