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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2023-02-15 11:00 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Small Multi-Band Circularly Polarized Antenna based on MID Technology Hiroaki Sakamoto, Hidetoshi Makimura, Kengo Nishimoto, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric)  AP2022-200 |
A small multi-band circularly polarized (CP) antenna based on MID technology which enables a 3D antenna on the surface o... [more] | AP2022-200 pp.17-22 |
| AP, WPT (Joint) |
2020-01-23 09:00 |
Kagawa | Sunport Hall Takamatsu | Symmetrical Folded Monopole Antenna with parasitic elements Takuya Miyasaka, Hiroaki Sakamoto, Shingo Yamaura, Shu Nishioka (Mitsubishi Electric Corp.) AP2019-148 |
In the small antenna competition hosted by A·P, the average actual gain of antennas in any one direction competes from 1... [more] | AP2019-148 pp.1-6 |
| AP | 2019-08-23 10:20 |
Hokkaido | Hokkai-Gakuen Univ. | A Fundamental Study of Impedance Variable Folded Monopole Antenna Using Switching Element Yuta Nakagawa, Oai Nguyen Cong, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2019-65 |
In order to achieve an antenna with robustness to metal for closed space wireless communications, the impedance characte... [more] | AP2019-65 pp.97-100 |
| AP | 2018-08-23 13:35 |
Saitama | Nippon Inst. of Tech. | A fundamental Study on Near-metal-Insensitive antenna for installation on metal walls Yuta Nakagawa, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2018-72 |
In order to achieve a near-metal-insensitive antenna for closed-space wireless communications, the impedance characteris... [more] | AP2018-72 pp.29-33 |
| AP | 2018-05-17 10:00 |
Kumamoto | Kumamoto Univ. | Design and Measurement on a Folded Monopole Antenna with an Iron Tower Shingo Yamaura, Takashi Yanagi, Kengo Nishimoto, Takeshi Yamamoto, Yasuhiro Nishioka, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric) AP2018-14 |
Low frequencies antennas takes a high cost due to large-scale. The authors proposed an antenna with a self-supporting ir... [more] | AP2018-14 pp.7-12 |
| RCS, AP (Joint) |
2016-11-24 11:35 |
Kyoto | Kyoto International Community House | A Study on a Low-cost Folded Monopole Antenna Using an Iron Tower Shingo Yamaura, Takashi Yanagi, Takeshi Yamamoto, Takayuki Nakanishi, Toru Fukasawa, Hiroaki Miyashita (Mitsubishi Electric) AP2016-110 |
Low frequencies antennas can construct at low cost by using self-supporting iron towers as antennas. The authors had dem... [more] | AP2016-110 pp.17-22 |
| AP, SAT, SANE (Joint) |
2016-07-20 - 2016-07-22 |
Hokkaido | Otaru port marina | A Study on a Low-cost Folded Monopole Antenna Using an Iron Tower Shingo Yamaura, Takashi Yanagi, Takeshi Yamamoto, Takayuki Nakanishi, Toru Fukasawa, Hiroaki Miyashita (Mitsubishi Electric) |
Low frequencies antennas can construct at low cost by using self-supporting iron towers as antennas. The authors had dem... [more] | |
| AP | 2013-05-16 13:00 |
Oita | Beppu International Convention Center B-ConPlaza | An Example of Antenna Design Using Multi-level Particle Swarm Optimization Tuan Hung Nguyen, Hisashi Morishita (National Defense Academy), Yoshio Koyanagi (Panasonic Mobile Comm.), Kazuhiro Izui, Shinji Nishiwaki (Kyoto Univ.) AP2013-15 |
This report presents a multi-level optimization (MLO) method introduced to particle swarm optimization (PSO) for solving... [more] | AP2013-15 pp.1-6 |
| AP | 2011-01-20 09:00 |
Saga | Saga Univ. | Characteristics of L-shaped Folded Monopole Antenna with parasitic elements. Sohei Watanabe, Tuan Hung Nguyen, Hisashi Morishita (NDA) AP2010-133 |
Authors have been analyzed theoretically and experimentally about the L-shaped folded monopole antenna. This antenna can... [more] | AP2010-133 pp.1-6 |
| AP | 2010-02-18 09:00 |
Tokyo | Toshiba | Dual-band Operation Bent-folded-Monopole Antenna Ippei Kashiwagi, Masaki Nishio, Shuichi Obayashi, Hiroki Shoki (Toshiba Corp), Tasuku Morooka (Tsohiba Research Consulting Corp.) AP2009-184 |
Antennas built in mobile terminals are required to archive small size and wide-band operation. Folded dipole/monopole an... [more] | AP2009-184 pp.1-6 |
| AP | 2009-09-04 11:15 |
Aomori | Hachinohe Inst. of Tech. | Top Loaded Monopole Antenna Using Triangular Radiating Element and Obliqued Short Pins with Folded Rim Woo-jin Kim, Naobumi Michishita, Yoshihide Yamada (NDA) AP2009-95 |
In recent years, the radio-on-fiber (ROF) system was proposed for mobile communication network in order to eliminate the... [more] | AP2009-95 pp.91-96 |
| AP | 2009-01-22 13:50 |
Fukuoka | Fukuoka University | The characteristics of a Double-folded monopole antenna loaded by coaxial lines Masaaki Yamasaki, Takehiko Tsukiji (Fukuoka Univ.) AP2008-168 |
It has been shown that loading a certain reactance component at the feeding point of an antenna is useful in reducing an... [more] | AP2008-168 pp.107-111 |
| MW | 2008-11-20 15:15 |
Nagasaki | Nagasaki-Univ. | A Numerical Study on Handset MIMO Antenna by Using Folded Monopole Antennas Franck Pacaud, Yongho Kim, Hisashi Morishita (National Defense Academy) MW2008-128 |
A compact built-in handset antenna for multiple-input multiple-output (MIMO) system, which operates in the UMTS (Univers... [more] | MW2008-128 pp.55-60 |
| AP | 2008-01-24 15:40 |
Okinawa | Tyeruru.(Naha) | Study and Reduction of the Mutual Coupling between Two L-shaped Folded Monopole Antennas for Handset Yongho Kim, Jun Itoh, Hisashi Morishita (National Defense Academy) AP2007-146 |
The recent increase of needs for the wireless communication quality has induced the development of multi-antenna system ... [more] | AP2007-146 pp.141-146 |
| AP | 2007-05-17 14:15 |
Kochi | Kochi Univ. of Tech. | A Basic Study on Handset MIMO Antenna using L-shaped Folded Monopole Antennas Yongho Kim (National Defense Academy), Toshiteru Hayashi, Yoshio Koyanagi (Panasonic Mobile Communications), Hisashi Morishita (National Defense Academy) AP2007-16 |
In this study, handset MIMO antenna comprising two L-shaped Folded Monopole Antennas mounted on a finite ground plane wa... [more] | AP2007-16 pp.19-23 |
| AP | 2006-01-27 15:15 |
Fukuoka | Fukuoka Inst. of Tech. | A study on lowering resonant frequency of a planar folded dipole antenna for handset Songyoung Bae, katsuyoshi Komuro, Hisashi Morishita (NDA), Jun Itou (HARADA INDUSTRY CO.,LTD.) |
To be lower profile and smaller structure including the GP, a planar folded dipole antenna(PFDA) has been proposed. PFDA... [more] | AP2005-155 pp.105-108 |
| AP | 2005-02-17 10:20 |
Tokyo | NiCT | Analysis of Bulit-in Antennas for Handset using Human(Head, Hand and Finger) Model Songyoung Bae, Shogo Hayashida, Yoshimi Kawano, Hisashi Morishita (NDA) |
Antenna for handset is easily affected by it surrounding objects such as the handset and human body. In particular, bui... [more] | AP2004-225 pp.13-18 |
| AP | 2004-09-09 14:30 |
Kanagawa | National Defense Academy in JAPAN | Characteristics of built-in folded monopole antenna for handsets(2) Shogo Hayashida, Tomoki Tanaka, Hisashi Morishita (NDA), Yoshio Koyanagi (Panasonic), Kyohei Fujimoto (FAIS) |
A folded loop antenna for handset has been introduced as one of balance-fed antenna for handsets, which is very effectiv... [more] | AP2004-128 pp.23-28 |
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