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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2017-02-16 10:55 |
Tochigi | Tochigiken-sougou-bunnka Center | [Invited Lecture]
Method of mutual coupling reduction between closely placed MIMO antennas Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba Univ.)  AP2016-157 |
Recently, in order to realize large capacity wireless communication, MIMO technology is generally installed in a compact... [more] | AP2016-157 pp.5-10 |
| ICD, MW | 2016-03-03 16:45 |
Hiroshima | Hiroshima University | Proposal of handy measurement method the directivity in pattern antenna Tatsuki Tokunou, Ryohei Yamane, Toshihiko Hamasaki (HIT) MW2015-201 ICD2015-124 |
Recently, WSN has been attracting a global attention in the field of environmental monitoring for many industries. Since... [more] | MW2015-201 ICD2015-124 pp.157-162 |
| AP (2nd) |
2015-12-18 11:05 |
Okinawa | Miyako Island Marine Terminal | Far-field estimation method of array antenna by simple near-field measurement Yoshiki Sugimoto, Hiroyuki Arai (Yokohama Natl. Univ.), Toshiyuki Maruyama, Masahiko Nasuno (NAZCA), Masanobu Hirose, Satoru Kurokawa (AIST) |
A long distance and expensive equipment is required for measuring a far-field of large aperture antenna. A method of the... [more] | |
| AP | 2015-12-10 11:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Concentric ring slit arrays on a plate of radial line
-- In order to design radial line slot antenna using resonant slots -- Naohisa Goto (Tokyo Tech) AP2015-158 |
A conventional RLSA (radial line slot antenna), which consists of spirally arranged slot pairs, gets high directivity by... [more] | AP2015-158 pp.21-26 |
| EMT, IEE-EMT | 2015-10-29 15:50 |
Miyazaki | Holiday Inn ANA Resort Miyazaki | Far field radiation pattern analysis of an antenna in an automobile Zicai Zheng, Hiroshi Shirai (Chuo Univ.) EMT2015-55 |
In this paper, scattering far field calculation method has been discussed using complex equivalent current sources deriv... [more] | EMT2015-55 pp.57-62 |
| AP, SANE (Joint) |
2015-08-28 10:55 |
Ibaraki | Ibaragi Univ. Mito Campus | Utilization of radiation pattern measurement of an embedded dipole antenna in an object for complex permittivity estimation of the medium Hironori Watanabe, Shigeki Takeda, Kenichi Kagoshima, Masahiro Umehira (Ibaraki Univ.) AP2015-70 |
Embedding of a wireless sensor to various objects will be assumed in a UHF (Ultra High Frequency) band from now on. Ther... [more] | AP2015-70 pp.55-60 |
| MW (2nd) |
2015-08-06 - 2015-08-08 |
Overseas | Chulalongkorn Univ., Bangkok, Thailand | The FOA Design for Linear Antenna Array Optimization Problem Nattaset Mhudtongon, Chuwong Phongcharoenpanich (KMITL), Supakit Kawdungta (RMUTL) |
The use of a fruit fly optimization algorithm (FOA) to design the linear antenna array in free space is presented in thi... [more] | |
| AP | 2015-05-22 14:50 |
Nara | Naraken Shakai Fukushi Sougou Center (Kashihara City) | 3-element Super-directive Array antenna by Using Decoupling Network Akira Noguchi, Hiroyuki Arai (YNU) AP2015-31 |
This paper proposes a design method of 3-element super-directive array antenna using a decoupling network. Super-directi... [more] | AP2015-31 pp.69-72 |
| AP (2nd) |
2014-12-19 09:40 |
Kagoshima | Tanegashima Space Center | Estimation of Directivity and Gain Calculation on Array Antennas by Using 1D Electric Current Distribution Eriko Ohashi, Hiroyuki Arai (Yokohama National Univ.) |
In this paper, we estimate radiation directivity and gain of a linear dipole array (LDA) and a linear patch array (LPA) ... [more] | |
| MW (2nd) |
2014-11-26 - 2014-11-28 |
Overseas | King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok | The GA/Fminsearch Optimization Design of Linear Antenna Array with Maximum Directivity Nattaset Mhudtongon, Chuwong Phongcharoenpanich (KMITL), Kittisak Phaebua (KMUTNB) |
In this paper, the use of a genetic algorithm (GA) combined with a Fminsearch optimization (GA/Fminsearch) is proposed t... [more] | |
| AP, RCS (Joint) |
2014-11-13 14:40 |
Yamagata | Yamagata University, Yonezawa Campus | Restoring Directivity of Active array Antenna System in the case of Antenna Element Failure Yukitaka Takahashi, Shohei Natori, Keisuke Sato, Ichiro Oshima (Denki Kogyo), Toru Kitayabu, Masayuki Nakano (KDDI R&D LABS) AP2014-143 |
Active array Antenna System (AAS) is expected for base station antenna of mobile communication system. AAS has the phase... [more] | AP2014-143 pp.81-86 |
| CS | 2014-11-07 10:00 |
Hokkaido | Shiretoko (Hokkaido) | An Eavesdropping Characteristic Using Multiple Receivers to Wireless Key Agreement Kenta Okawahara, Satoru Aikawa (Univ. of Hyogo) CS2014-68 |
Wireless secret Key agreement schemes using variable directivity antenna based on the reciprocity theorem of radio wave ... [more] | CS2014-68 pp.87-91 |
| MICT, WBS | 2014-07-29 14:40 |
Osaka | Osaka City Univ. (Umeda Satellite) | A Study on Generalization of the ESPAR Antenna with Selective Energy Supply Yugo Shimizu, Minsoo Kim, Ryuji Kohno (Yokohama National Univ.) WBS2014-24 MICT2014-38 |
Recently, the high-speed digital communication system has been put to practical use. For the purpose of improving the co... [more] | WBS2014-24 MICT2014-38 pp.85-88 |
| AP (2nd) |
2014-06-27 11:25 |
Ibaraki | AIST | Estimation of Directivity on Array Antennas by Using 1-D Electric Current Distribution Eriko Ohashi, Hiroyuki Arai (YNU) |
In this paper, we estimate radiation patterns on 4- and 8-elements linear array antennas from 1D electric current distri... [more] | |
| AP | 2013-12-12 12:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An Experimental Study on Performance Evaluation for Space and Directivity MIMO Antennas in Indoor Propagation Environment Yuga Yorifuji, Tokio Taga (Kwansei Gakuin Univ.) AP2013-125 |
It is required to consider human-body shadowing effects and position dependency of channel characteristics in SISO recep... [more] | AP2013-125 pp.7-12 |
| AP | 2013-01-23 11:25 |
Miyazaki | Hotel Merieges (Miyazaki City) | A New Figure of Merit to Evaluate Directivity Diversity of Variable Beamforming Antenna for Wireless Secret Key Agreement Systems Naoki Sakai, Yasuaki Oda, Tuya Wuren, Hideyuki Uehara, Takashi Ohira (Toyohashi Univ. of Tech.) AP2012-125 |
This paper proposes a figure of merit to evaluate antenna's directivity diversity for wireless secret key agreement syst... [more] | AP2012-125 pp.19-24 |
| CQ | 2012-07-13 10:45 |
Ehime | Ehime Univ. | Studies on the Miniaturization of a Directivity Controllable Antenna for Three-Dimensional Space Search Robot Takaharu Kikuchi, Koichi Gyoda (SIT) CQ2012-32 |
On March 2011,the huge earthquake and subsequential tsunami led the radiation leakage accident in the Fukushima daiichi ... [more] | CQ2012-32 pp.89-94 |
| RCS | 2012-04-20 15:20 |
Kyoto | Kyoto Univ. | Optimization of Base Station Antenna Directivity for Base Station Cooperation Cellular Systems Doppo Sugimura, Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech), Takayuki Sotoyama (Panasonic Mobile Communications), Masayuki Hoshino (Panasonic) RCS2012-20 |
Base Station Cooperation (BSC) is one of the key technologies for next generation cellular systems.In this paper, we wil... [more] | RCS2012-20 pp.115-120 |
| AP, RCS (Joint) |
2011-11-16 14:55 |
Aichi | Nagoya Congress Center | Optimization of MIMO Antenna Directivities and Derivation of Current Distributions by Using Spherical Mode Expansion Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Yoshio Koyanagi, Takayuki Sotoyama (Panasonic Mobile Communications) AP2011-99 |
This paper proposes a new design method based on spherical mode expansion to optimize MIMO antenna directivities and ... [more] |
AP2011-99 pp.57-62 |
| AP, RCS (Joint) |
2011-11-16 15:45 |
Aichi | Nagoya Congress Center | Low Profile Dual-Polarization Antenna for Indoor MIMO Base Station Shen Wang, Hiroyuki Arai (Yokohama National Univ.), Huiling Jiang, Keizo Cho (NTT DOCOMO) AP2011-101 |
Combining the actual indoor LOS environment, a low profile dual-polarization antenna is proposed as MIMO antenna used fo... [more] | AP2011-101 pp.69-72 |
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