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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2024-01-25 11:20 |
Nagano | Nagano-ken JA building (Primary: On-site, Secondary: Online) |
Radiation Pattern Evaluation of Drone-mounted Antenna to Improve Accuracy of Wireless Emulator Hirokazu Sawada, Takashi Matsuda, Kyoichi Iigusa, Takeshi Matsumura (NICT)  SR2023-71 |
[more] | SR2023-71 pp.17-21 |
| AP | 2022-10-20 15:35 |
Gifu | GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
Radiation Pattern Analysis and Measurement on Vehicle Shape for Automotive Antenna Hirokazu Sawada, Takashi Matsuda, Kyoichi Iigusa, Takeshi Matsumura (NICT) AP2022-144 |
In the research and development of wireless emulators, which enable the verification of various wireless systems in a vi... [more] | AP2022-144 pp.228-232 |
| AP, SANE, SAT (Joint) |
2021-07-30 11:40 |
Online | Online | Directivity Verification of Mounted Antennas for Radio Emulator Hirokazu Sawada, Takashi Matsuda, Kyoichi Iigusa, Fumihide Kojima, Takeshi Matsumura (NICT) AP2021-41 |
[more] | AP2021-41 pp.97-102 |
| MW, AP (Joint) |
2013-09-13 13:30 |
Tokyo | NHK Science Tech. Research Lab. | A Basic Study of Bandwidth Enhancement of a Bent Monopole Antenna by Conductor Plate Proximity Installation Kyoichi Iigusa, Hiroshi Harada (NICT) AP2013-84 |
We propose to enhance the bandwidth of a bent monopole antenna by installing a conductor plate proximity in order to pro... [more] | AP2013-84 pp.21-26 |
| AP | 2013-08-30 15:25 |
Kanagawa | Yokosuka | A Basic Study to Control Radio Wave Transmission with a Small Number of Varactor Kyoichi Iigusa, Hiroshi Harada (NICT) AP2013-78 |
We examine the method to realize sufficient transmission change of a radio wave shutter with a small number of varactor ... [more] | AP2013-78 pp.89-94 |
| AP, ITE-BCT | 2012-02-10 09:05 |
Hiroshima | NHK Hiroshima | Relation between Elements of Impedance Matrix of Dipoles Kyoichi Iigusa, Hiroshi Harada (NICT) AP2011-191 |
There is a component that is zero at the port in the current distribution of a dipole antenna. The electric influence of... [more] | AP2011-191 pp.63-68 |
| AP, SAT (Joint) |
2011-07-13 15:00 |
Nagano | Fac. Eng., Shinshu Univ. | A Basic Study on Directive Gain and Radiation Efficiency of Reactively Loaded Three-Element Yagi-Uda Antenna Kyoichi Iigusa, Hiroshi Harada (NICT) AP2011-28 |
[more] | AP2011-28 pp.7-12 |
| AP, ITE-BCT | 2011-02-10 14:35 |
Tokyo | NHK Science Tech. Research Lab. | A study on Efficiency of Short Distance Wireless Electric Power Transmission with Considering Radiation Loss Kyoichi Iigusa, Hiroshi Harada (NICT) AP2010-173 |
[more] | AP2010-173 pp.75-80 |
| AP | 2010-12-17 11:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on Efficiency of a Reactance-Laded Small Antenna Kyoichi Iigusa, Hiroshi Harada (NICT) AP2010-125 |
We propose a reactance-loaded small antenna and a calculation method of the radiation efficiency dependency on loading r... [more] | AP2010-125 pp.43-48 |
| MW, EMCJ | 2010-10-21 13:30 |
Akita | Akita Univ. | Basic Study on Trough-Hole Switch for Post-Wall Waveguide in Millimeter Wave Band Kyoichi Iigusa, Keren Li, Katsuyoshi Sato, Hiroshi Harada (NICT) EMCJ2010-53 MW2010-88 |
As a switch for a millimeter wave post-wall waveguide, slits are made at joining parts of a through hole and conductor p... [more] | EMCJ2010-53 MW2010-88 pp.7-12 |
| RCS | 2010-06-17 15:15 |
Kyoto | Kyoto Univ. | An Inter-vehicle Communications Systems by Adaptive Modulation OFDM Based Control and User Data Transmission Scheme in 720 MHz Band Hiroshi Harada, Kyoichi Iigusa, Ryuhei Funada, Katsuyoshi Sato, Keren Li (NICT) RCS2010-30 |
[more] | RCS2010-30 pp.73-78 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-03 13:00 |
Kanagawa | YRP | Propagation model for inter vehicle communication in 720MHz band Katsuyoshi Sato, Kyoichi Iigusa, Hiroshi Harada (NICT) RCS2009-270 |
Interest in ITS (Intelligent Transport Systems) technology has been growing in recent years, because it may be used to a... [more] | RCS2009-270 pp.77-82 |
| AP | 2010-01-21 13:20 |
Yamaguchi | Yamaguchi University | A Study on Enhancement of Frequency Band of 3 Elements Yagi-Uda Antenna with a Narrow Spacing Kyoichi Iigusa, Hiroshi Harada (NICT) AP2009-162 |
The increase of the frequency band of 3 elements Yagi-Uda antenna with narrow spacing is examined by composing element d... [more] | AP2009-162 pp.39-44 |
| RCS, AP (Joint) |
2009-11-27 09:50 |
Tokyo | Tokyo Inst. of Tech. | Controlling of Impedance Matched Frequency by Loading Varactors and Proposal of Tunable Antenna Electromagnetically Fed by Wideband Antenna Kyoichi Iigusa, Hiroshi Harada (NICT) AP2009-130 |
A technique to enhance the impedance matched frequency of an antenna is studied to apply it for a cognitive wireless com... [more] | AP2009-130 pp.67-72 |
| AP | 2009-06-11 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal, Basic Study and Basic Experiment of H-plane Sectoral Post-Wall Horn Antenna Connected with Tapered Slots for Millimeter-Wave Kyoichi Iigusa, Jing Gao, Keren Li, Katsuyoshi Sato, Hiroshi Harada (NICT) AP2009-37 |
We propose a millimeter-wave antenna that can be composed by combining two or more printed boards. The radiation pattern... [more] | AP2009-37 pp.1-6 |
| ITS, IEE-ITS | 2009-03-09 13:00 |
Kyoto | Kyoto University | Propagation characteristics for inter vehicle communication in 720MHz band in urban area Katsuyoshi Sato, Kyoichi Iigusa, Hiroshi Harada (NICT) ITS2008-83 |
Interest in ITS (Intelligent Transport Systems) technology has been growing in recent years, because it may be used to a... [more] | ITS2008-83 pp.1-6 |
| IE, ITS, ITE-HI, ITE-ME, ITE-AIT | 2009-02-05 10:50 |
Hokkaido | Graduate School of Information Science and Technology Hokkaido Univ | Propagation characteristics for inter vehicle communication in 720MHzat band at intersection structure Katsuyoshi Sato, Kyoichi Iigusa, Hiroshi Harada (NICT) ITS2008-57 IE2008-227 |
Interest in ITS (Intelligent Transport Systems) technology has been growing in recent years, because it may be used to a... [more] | ITS2008-57 IE2008-227 pp.133-138 |
| AP | 2008-12-11 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal and Basic Study of an Impedance-Matching-Frequency Reconfigurable Electromagnetically Fed Inverted-F Antenna Kyoichi Iigusa, Hiroshi Harada (National Inst. of Info and Com Tech.) AP2008-141 |
We propose an antenna composed of several inverted-F antennas, that can be impedance-matched in the frequency band compr... [more] | AP2008-141 pp.7-12 |
| AP | 2008-10-16 13:50 |
Miyagi | Tohoku Gakuin University | roposal and Design of Yagi-Uda Antenna Kyoichi Iigusa, Keren Li, Katsuyoshi Sato, Hiroshi Harada (NICT) AP2008-96 |
Planar three-element Yagi-Uda antenna is proposed as an ITS in-vehicle antenna in UHF band. One of the new attempts is t... [more] | AP2008-96 pp.11-16 |
| AP | 2008-09-11 11:10 |
Kanagawa | National Defense Academy | Simulation Analysis Using Finite Element Method and Experiment for Frequency Response of Permeability of Radio Wave Shutter Kyoichi Iigusa, Hiroshi Harada, Yoshiyuki Fujino (NICT) AP2008-79 |
[more] | AP2008-79 pp.25-30 |
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