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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, WPT (Joint) |
2020-01-23 09:30 |
Kagawa | Sunport Hall Takamatsu | Circular plane-loaded antenna with short circuit structure Kyohei Yoshida, Hina Watanabe, Daisuke Yamanaka, Rintaro Sasaki, Masaharu Takahashi (Chiba Univ.)  AP2019-150 |
Recently, various kinds of the wireless system such as a smartphone, a tablet, and Wi-Fi has increasingly spread. It is ... [more] | AP2019-150 pp.11-14 |
| AP, WPT (Joint) |
2020-01-23 11:10 |
Kagawa | Sunport Hall Takamatsu | Triple Resonances Small Spherical Antenna with Parasitic Elements Hikaru Takizawa, Takahiro Hashimoto, Takumi Nishime, Nguyen Cong Oai, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2019-156 |
A small spherical antenna is one of the electrically small antennas which has Q-factor approaching the lower bound on Q.... [more] | AP2019-156 pp.37-41 |
| AP, WPT (Joint) |
2020-01-24 10:50 |
Kagawa | Sunport Hall Takamatsu | [Tutorial Lecture]
Research on optimal small antennas using the spherical wave expansion Keisuke Fujita (Maebashi Tech.) AP2019-169 |
The optimum current on electrically small spherical antennas is obtained using the spherical wave expansion. The radiati... [more] | AP2019-169 pp.105-109 |
| EMCJ, EMD, WPT, PEM (Joint) [detail] |
2019-07-19 15:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | The 920MHz band low power rectenna with the dual loop antenna Shogo Sakashita, Naoki Sakai, Kenji Itoh (KIT) WPT2019-23 |
In this paper, the 920MHz band low power rectenna with the dual loop antenna is described. The dual loop antenna is cons... [more] | WPT2019-23 pp.7-12 |
| WPT, AP (Joint) |
2019-01-17 14:25 |
Aichi | Toyota Automobile Museum | [Tutorial Lecture]
Quality factor of electrically small antennas and their broadbanding Keisuke Noguchi (KIT) AP2018-157 WPT2018-57 |
Electrically small antennas which size is smaller than wavelength of the operating frequency are described with respect ... [more] | AP2018-157 WPT2018-57 pp.33-38(AP), pp.19-24(WPT) |
| AP | 2018-12-13 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Excitation Distribution Control of Two-Element Array Antennas using Decoupling Networks Composed of Lumped Elements Kengo Nishimoto, Yasuhiro Nishioka, Naofumi Yoneda (Mitsubishi Electric) AP2018-147 |
As a method of decreasing the mutual coupling between small two-element antennas, a simple decoupling network which cons... [more] | AP2018-147 pp.11-15 |
| WPT, PEM (Joint) |
2018-11-19 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
Development of resin cased optical probe head and measurement of Electrically Small Antennas Makoto Shigihara, Masaru Shikata (ALPS Electric) |
In general, coaxial cables are used to measure radiation characteristics such as radiation patterns and gains of antenna... [more] | |
| AP | 2018-08-23 15:10 |
Saitama | Nippon Inst. of Tech. | [Tutorial Lecture]
Electromagnetic Metamaterials for Antenna Applications Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2018-75 |
Electromagnetic metamaterials are defined as artificial effectively homogeneous electrmagnetic structures with unusual p... [more] | AP2018-75 pp.45-50 |
| EMCJ | 2018-07-27 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A study of Multiple Resonance Antenna for Short-range Communication at 10- 50 MHz Extremely Weak Radio Band Kengo Yoshibayashi, Daisuke Anzai, Jianqing Wang (NITech) EMCJ2018-25 |
For data transmission of the measurement sensor in a narrow and dangerous space such as automobile, factory and workplac... [more] | EMCJ2018-25 pp.19-23 |
| AP, SANE, SAT (Joint) |
2018-07-20 16:05 |
Hokkaido | Hokkaido Univ. | The propagation model for Massive MIMO at 20 GHz band. Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ.), Koshoro Kitao, Minoru Inomata, Tetsuro Imai (NTT DOCOMO) AP2018-65 SAT2018-26 |
Massive MIMO transmission, whose number of antennas at the base station (BS) is much larger than the number of user term... [more] | AP2018-65 SAT2018-26 pp.137-142(AP), pp.89-94(SAT) |
| AP | 2018-06-21 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Small Four-Branch Diversity Antenna with Two-Element Array Kengo Nishimoto, Shimpei Akimoto, Yasuhiro Nishioka, Naofumi Yoneda (Mitsubishi Electric) AP2018-38 |
Antenna diversity schemes, which are effective in multipath environments, can improve the quality and reliability of a w... [more] | AP2018-38 pp.5-8 |
| AP (2nd) |
2018-05-30 16:15 |
Overseas | The University of Da nang, University of Science and Technology | Characteristic Mode Analysis for U-Shaped Dipole Antenna Naoki Akiyama, Quan Phung Quang, Yuka Ishii, Naobumi Michishita, Hisashi Morishita (National Defense Academy) |
The recent portable terminal equipment including smart phone have various functions and have been required high performa... [more] | |
| RCS, SR, SRW (Joint) |
2018-02-28 16:00 |
Kanagawa | YRP | Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems
-- Performance Evaluation at Urban Area for Wideband Coordinated MU-MIMO in Field Experiment -- Masafumi Tsutsui, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (Fujitsu), Chiyoshi Akiyama, Kotaro Shiizaki (Fujitsu Labs), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2017-339 |
In 5G mobile communication systems, an effective high-capacity technology is expected by using high-density small cells.... [more] | RCS2017-339 pp.125-130 |
| AP | 2017-08-25 12:55 |
Hokkaido | National Institute of Technology, Hakodate College | Size reduction of a Broadside-coupled Split Ring Resonator Antenna Makoto Sano, Keiju Yamada, Makoto Higaki (Toshiba) AP2017-84 |
Because of miniaturization of wireless devices, small antennas which can be printed on a circuit board are demanded. In ... [more] | AP2017-84 pp.87-92 |
| AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido | Hokkaido University | Current Reduction Effects of Baluns for Measurement of Small Antennas Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric Co.) |
A coaxial cable for measurement connected to a small antenna affects characteristics of the antenna. It becomes signific... [more] | |
| AP (2nd) |
2017-05-26 10:40 |
Okinawa | Yonaguni Island, Kubura multipurpose meeting place (AMT) | 3D measurement of power transmission coefficient between small dipole antennas in saline solution in MHz band Nozomu Ishii (Niigata Univ.), Yu-Wei Guo (Niigata Univ./Taiwan Univ. Sci. Tech.), Chakarothai Jerdvisanop, Kanako Wake, Lira Hamada, Soichi Watanabe (NICT) |
To calibrate the probe for measuring SAR (specific absorption rate) values of the wireless devices operated in the MHz b... [more] | |
| RCS, SR, SRW (Joint) |
2017-03-01 15:35 |
Tokyo | Tokyo Institute of Technology | Multiple access points control for a cell compensating shadow loss of millimeter wave Takahiko Yamada, Toshikazu Nishimura (Ritsumeikan Univ.) RCS2016-300 |
Campus net must be one of new applications of cellular network. This new application needs use of millimeter wave. Howev... [more] | RCS2016-300 pp.67-72 |
| RCS, SR, SRW (Joint) |
2017-03-02 11:40 |
Tokyo | Tokyo Institute of Technology | Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems
-- Performance Evaluation of UE mobility for Wideband Coordinated MU-MIMO in Field Experiment -- Kotaro Shiizaki, Chiyoshi Akiyama (FUJITSU LABORATORIES), Masafumi Tsutsui, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2016-312 |
In 5G mobile communication systems, an effective high-capacity technology is expected by using high-density small cells.... [more] | RCS2016-312 pp.139-144 |
| AP (2nd) |
2017-01-26 - 2017-01-27 |
Overseas | Malaysia-Japan International Institute of Technology (MJIIT) | Characteristic Mode Analysis for Multi-band Inverted-F Antenna Naoki Akiyama, Naobumi Michishita (National Defense Academy), Hiroshi Satoh, Yoshio Koyanagi (Panasonic), Hisashi Morishita (National Defense Academy) |
The size of built-in antenna for cellular phone is limited by its design specification. However, the broadband and multi... [more] | |
| CQ | 2016-08-29 16:25 |
Ibaraki | Tsukubasan | [Special Invited Talk]
Antenna miniaturization and its Impact on the communication quality Hiroyuki Arai (Yokohama Natl. Univ.) CQ2016-61 |
Antennas are basic elements in wireless communication systems, transmitting and receiving radio frequency signal over th... [more] | CQ2016-61 p.75 |
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