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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SANE, SAT (Joint) |
2018-07-20 09:45 |
Hokkaido | Hokkaido Univ. | Broadbanding of a Folded Inverted-L Antenna with slits Fumiya Osaki, Keisuke Noguchi, Shigeru Makino, Tetsuo Hirota, Kenji Itoh (KIT)  AP2018-59 |
A compact folded inverted-L antenna (FILA) with slits are studied to obtain broadband characteristics. The FILA consist... [more] |
AP2018-59 pp.101-106 |
| AP | 2018-02-15 14:00 |
Tokyo | Kozo Keikaku Engineering, Inc. | Design of partially parallel-feeding double-layer broadband high-gain waveguide array using wall-surrounded slot on stepped narrow-wall Haruki Umemura, Kunio Sakakibara, Nobuyoshi Kikuma (Nitech) AP2017-177 |
The partially parallel-feeding traveling-wave waveguide slot array has an advantage to reduce the frequency dependence o... [more] | AP2017-177 pp.7-11 |
| AP, MW (Joint) |
2017-09-21 14:00 |
Saitama | Saitama University | High Frequency Analog Beam Forming by Frequency Control of Local Oscillator Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2017-68 |
This paper proposes a novel configuration for a phased array antenna system (PAS) that achieves ultra-broadband transmis... [more] | MW2017-68 pp.1-4 |
| AP, WPT (Joint) |
2017-01-20 11:10 |
Hiroshima | Hiroshima Institute of Technology | High Efficiency and Broadband Design of Reflectarray Antenna Using Ring Resonator Elements and it's Measured Result Kento Takeshima, Shigeru Makino (KIT), Takeshi Shiode, Michio Takikawa (MELCO) AP2016-147 |
On the reflectarray antenna using ring-type resonator element, a high efficiency design method was confirmed at the desi... [more] | AP2016-147 pp.103-108 |
| AP | 2016-08-22 15:15 |
Nagasaki | Nagasaki Univ. | Broadband Circularly Polarized Reflectarray Antenna Using Metasurface Polarizer Koichi Furuya, Takeshi Fukusako (Kumamoto Univ.) AP2016-76 |
A broadband circularly polarized (CP) reflectarray antenna is proposed. By removal of the four corners of the finite squ... [more] | AP2016-76 pp.49-52 |
| AP (2nd) |
2016-02-29 15:25 |
Overseas | Telecommunications University, Nha Trang, Vietnam | Prototype evaluation of Reflector Backed Dipole antenna with Folded Loop-shaped Parasitic Elements Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Tatsuhiko Yoshihara, Taisuke Ihara (NTT DOCOMO) |
It has been reported that loading the Loop-shaped Parasitic Element can expand the operating frequency band of the Refle... [more] | |
| AP, RCS, WPT, SAT (Joint) |
2015-11-04 13:40 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Bandwidth Enhancement of Partially Parallel-feeding Travelling-wave Array Using Waveguide Narrow-wall Cavity Slot on Iris in Millimeter-wave Band Yuichi Hirayama, Kunio Sakakibara, Nobuyoshi Kikuma (NIT) AP2015-117 |
The partially parallel-feeding traveling-wave waveguide slot array has an advantage to reduce the frequency dependence o... [more] | AP2015-117 pp.41-46 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-04 14:05 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Study of broadband reflect-array antennas surface structure Shouta Yoshimoto, Yuka Fujii, Shigeru Makino, Tetsuo Hirota, Keisuke Noguchi, Kenji Itoh (KIT), Takeshi Shiode, Michio Takikawa (Mitsubishi Electric Corp.) AP2015-118 |
In this paper, it will examine the behavior of the wave front when it chose any mirror surface constitution. When the pr... [more] | AP2015-118 pp.47-51 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-05 15:00 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Effect by Folded Loop Elements for Reflector Backed Dipole Antenna Using Loop Parasitic Elements Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Taisuke Ihara, Tatsuhiko Yoshihara (NTT DOCOMO) AP2015-140 |
It has been reported that loading the Loop-shaped Parasitic Element can expand the operating frequency band of the Refle... [more] | AP2015-140 pp.173-178 |
| AP | 2015-07-30 13:05 |
Hokkaido | Wakkanai Sougou Bunka Center | Investigation of radiation pattern and leakage current of Broadband Sleeve Antenna Takashi Oki, Naobumi Michishita (NDA), Masao Sakuma (Sakuma antenna), Hisashi Morishita (NDA) AP2015-43 |
Simple wideband techniques of Sleeve antenna with a choke(SLAC) have already been proposed. This technique is merely the... [more] | AP2015-43 pp.21-25 |
| RCS | 2015-06-24 13:20 |
Hokkaido | Hokkaido Univ. | Multihop relay field experiment using the VHF band broadband mobile communication system in rural area Kei Yanagisawa, Tatsuya Abe, Yoshihiro Kawashima, Kiyoshi Yamamoto, Masayuki Takekawa, Masayuki Ishizaki, Tomohiro Nozaki, Junya Dosaka, Masahiro Asano, Kazue Kato (Hitachi Kokusai), Hiroshi Harada, Keiichi Mizutani (Kyoto Univ.) RCS2015-48 |
This paper describes results of relay connection test using a single frequency channel relay system in NLoS (Non-Line-of... [more] | RCS2015-48 pp.13-18 |
| RCS, IN (Joint) |
2015-05-22 15:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Receiver Diversity Performance for VHF Broadband Mobile Communications Hideki Kobayashi (NICT/National Police Academy), Hirokazu Sawada, Tomoshige Kan, Masayuki Oodo, Hiroshi Harada, Fumihide Kojima, Hiroyuki Yano (NICT), Noriyuki Soma, Masafumi Moriyama, Osamu Yamamoto, Takaaki Yamato, Shigeki Yamamoto (National Police Academy) RCS2015-44 |
In this report, a receiver diversity performance at base station for a VHF-band broadband mobile communication system is... [more] | RCS2015-44 pp.113-118 |
| EMCJ, PEM (Joint) |
2014-11-14 11:35 |
Tokyo | AIST Tokyo Waterfront | Far Field Free Space Antenna Factor Calibration Method for Bilog antenna Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST) EMCJ2014-70 |
Bilog antenna is a super broadband antenna for radiated electromagnetic interference measurement. We apply our proposed ... [more] | EMCJ2014-70 pp.19-23 |
| AP, WPT (Joint) |
2014-10-17 10:10 |
Hokkaido | Hokkaido University, Clark Memorial Student Center | Experimental evaluation of broadband transmission performance and antenna displacement tolerance in short-range MIMO simple decoding Kazumitsu Sakamoto, Ken Hiraga, Maki Arai, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa (NTT) AP2014-121 |
We have proposed a simple decoding method for short-range multiple-input multiple-output (SR-MIMO) transmission that can... [more] | AP2014-121 pp.73-78 |
| AP (2nd) |
2014-01-08 14:10 |
Overseas | Le Quy Don Technical University (Hanoi, Vietnam) | Design of Triplate-Line-Feeding Broadband Slot Aperture Antenna on Double-Layer Substrate in the Millimeter-Wave Band Hiroki Hori, Kunio Sakakibara, Nobuyoshi Kikuma, Hiroshi Hirayama (NIT) |
A broadband directional slot aperture antenna fed by electromagnetic coupling from the triplate line was developed in th... [more] | |
| AP, PEM (Joint) |
2013-10-03 14:25 |
Ishikawa | Kanazawa Univ. Satellite-Plaza | Antenna Property Measurement for EMI Broadband Antenna Using Simple Optical Fiber Link Modules Satoru Kurokawa (AIST), Yoshikazu Toba (SEIKOH GIKEN), Masanobu Hirose, Michitaka Ameya (AIST) |
To determine the antenna gain and antenna factor of broadband antennas for electromagnetic interference measurement, we ... [more] | |
| AP (2nd) |
2013-05-31 13:00 |
Ehime | Matsuyama Multi-Purpose Community Center | Far Gain Estimation for Biconical antenna for Radiated Electromagnetic Interference Measurement
-- Far Gain Estimation Comparison using Time-Frequency Analysis, Sharpness Factor and Phase Center -- Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST) |
We have already propose a new estimation method for far-field gain of hybrid broadband antenna and log-periodic dipole a... [more] | |
| AP | 2013-05-16 13:25 |
Oita | Beppu International Convention Center B-ConPlaza | Design and bandwidth enhancement of circularly polarized circular waveguide antenna using L-shaped probe Takeshi Fukusako, Naoya Noguchi, Shingo Yamaura (Kumamoto Univ.) AP2013-16 |
A combination of an L-shaped probe and square waveguide generates circular polarization. In this paper, the authors repo... [more] | AP2013-16 pp.7-10 |
| AP | 2013-04-19 09:45 |
Hyogo | Kwansei Gakuin Univ. | Optimal Design of Vertical U-shaped Folded Dipole Antenna for WiMAX and Evaluation of Its Requisite Design Area on a Ground Plane Tuan Hung Nguyen, Hisashi Morishita (National Defense Academy), Yoshio Koyanagi (Panasonic Mobile Communications), Kazuhiro Izui, Shinji Nishiwaki (Kyoto Univ.) AP2013-10 |
Previously, we proposed U-shaped folded dipole antenna (UFDA) that projects from a ground plane (GP), as a small antenna... [more] | AP2013-10 pp.55-60 |
| AP, ITE-BCT | 2013-02-07 09:00 |
Tokyo | AIST Tokyo Waterfront | Far-Gain Measurement for Log-periodic Antenna for EMI measurement at Near Antenna Distancein the near antenna distance Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST) AP2012-159 |
We propose a new estimation method for far-field gain of broadband antenna at near distance. Our proposed method is base... [more] | AP2012-159 pp.7-12 |
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