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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, WPT (Joint) |
2024-01-18 09:55 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Expansion of Virtual BF Antenna Construction Method Using Rotating Reflector Antenna for Polarized MIMO Evaluation Tomonori Ikeda, Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Masayuki Miyashita, Ayumu Yabuki (SoftBank)  AP2023-168 |
The use of terahertz band is being considered for six-generation mobile communications, and the use of beamforming anten... [more] | AP2023-168 pp.47-51 |
| AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas | EPU, Hanoi | [Invited Talk]
Design of circularly polarized folded reflectarrays with arbitrary aperture field distribution Makoto Sano, Ryuji Kuse, Takeshi Fukusako (Kumamoto Univ.) |
This paper presents a method of realizing circularly polarized (CP) folded reflectarrays with arbitrary aperture field d... [more] | |
| AP, SANE, SAT (Joint) |
2023-07-14 10:10 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Characteristics Evaluation of Wideband Slot Array Antenna with Slitted Reflector by Prototype Measurement Yoshiki Ono, Takashi Hikage, Manabu Yamamoto (Hokkaido Univ.), Shuki Wai, Naoki Kita (NTT) AP2023-56 |
When the reflector is placed behind the broadband slot array antenna in order to make the radiation pattern of the anten... [more] | AP2023-56 pp.139-144 |
| EMT, IEE-EMT | 2022-11-18 11:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Phase measurement and adjustment of reflector antenna with beam waveguide feeds Shin-ichi Yamamoto, Hiroto Ado, Ryuya Seki, Yasuhiro Nishioka (Mitsubishi Electric Corp.) EMT2022-64 |
In recent years, the use of multiple 32-m class medium-sized reflector antennas arranged in an array configuration has b... [more] | EMT2022-64 pp.111-116 |
| AP | 2022-03-10 13:10 |
Online | Online | Study for deployable cylindrical reflector antenna Hiromasa Nakajima, Shinichi Yamomoto, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric Corp.) AP2021-186 |
In the synthetic aperture radar (SAR), a narrow beam in the direction of travel of the satellite and a wide beam in the ... [more] | AP2021-186 pp.26-29 |
| AP, WPT (Joint) |
2022-01-20 09:50 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
Consideration of primary radiator for efficiency of reflectarray antenna Haruna Nagahara, Hiroyuki Arai (Yokohama National Univ.) AP2021-136 |
In order to improve the efficiency of the reflector array, the types of primary radiators and their arrangement were inv... [more] | AP2021-136 pp.11-14 |
| MW, AP (Joint) |
2021-09-09 13:00 |
Online | Online | Fundamental Examination of Beam Reflection Circuit Using Butler Matrix Yusaku Honma, Noriharu Suematsu (Tohoku Univ.) MW2021-33 |
In backscatter system such as Radio Frequency Identification (RFID), increasing the gain of the tag antennas is an impor... [more] | MW2021-33 pp.1-5 |
| AP | 2021-05-21 10:45 |
Online | Online | Improvement of Null Steering Antenna for Angle of Arrival estimation Jo Tamura, Hiroyuki Arai (Yokohama Natl. Univ.) AP2021-12 |
We propose two antennas that improve a null depth of null steering antennas. The antennas are supposed to be used for in... [more] | AP2021-12 pp.18-21 |
| EMCJ, MICT (Joint) |
2020-03-13 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Cancelled but technical report was issued) |
EMCJ2019-95 |
In recent years, radio resources such as allocated frequency, polarization, space, and time have been tightened due to t... [more] | EMCJ2019-95 pp.15-20 |
| EMCJ, IEE-EMC | 2020-01-24 13:10 |
Ehime | On widening of retroreflective angular characteristics by one-dimensional Van Atta array Yu Inuzuka, Atsuhiro Nishikata (Tokyo Tech) EMCJ2019-86 |
By one-dimensional 6 element Van Atta array consisting of planar antenna array and feed network, Our group designed the ... [more] | EMCJ2019-86 pp.29-33 |
|
| RCS | 2019-10-25 10:20 |
Kanagawa | Yokosuka Research Park | 28-GHz Band 5G Downlink Throughput Enhancement Using Reflectarray with Variable Phase Shifter Yuta Takahashi (NTT Docomo Inc.), Yuta Takahashi (Iwate Univ.), Junichi Abe, Kazushi Muraoka, Satoshi Suyama, Yuji Aburakawa (NTT Docomo Inc.) RCS2019-194 |
SHF band (3 to 30 GHz) radio waves, used for fifth-generation (5G) mobile communication systems, has an issue to establi... [more] | RCS2019-194 pp.89-94 |
| MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
MRCS evaluation of Van Atta array considering antenna coupling, imperfect matching, and transmission line length Yu Inuzuka, Atsuhiro Nishikata (Tokyo Tech) |
Van Atta array is a structure that realizes retroreflective properties. In order to design high performanceVanAttaarray, ... [more] | |
| MW | 2018-11-15 15:45 |
Nagasaki | Fukue Cultural Hall | Advanced Mode Unity Using Loop Array Proximate to Reflector for OAM Communication Ryohei Yamagishi, Hiroto Otsuka, Akira Saitou, Hiroshi Suzuki, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2018-102 |
Advanced 4-channel multiplexing performance for short- and long-range orbital-angular-momentum (OAM) is demonstrated usi... [more] | MW2018-102 pp.53-57 |
| AP | 2018-10-19 10:20 |
Okayama | Okayama Univ. | A Study of Antenna Gain Enhancement of Optical Leaky Wave Antenna Hiroshi Hashiguchi, Toshihiko Baba, Hiroyuki Arai (YNU) AP2018-94 |
This paper presents antenna gain enhancement of optical leaky wave antennas (OLWAs). The antenna gain of OLWA is proport... [more] | AP2018-94 pp.31-34 |
| EST | 2018-09-07 10:20 |
Okinawa | Kumejima-machi, Okinawa | Numerical Analysis of 3-Dimensional Printed Reflector-Lens Antenna Based on Acrylonitrile Butadiene Styrene Plastics for W-Band Millimeter-Wave Radar Applications Shunichi Futatsumori, Nobuhiro Sakamoto (ENRI) EST2018-54 |
This report discusses the numerical analysis of 3-dimensional (3D) printed reflector-lens antenna based on Acrylonitrile... [more] | EST2018-54 pp.63-67 |
| EMCJ | 2018-04-13 13:35 |
Tokyo | Tokyo Institute of Technology | An experiment of reflected wave detection by using six-element retroreflector with ASK modulation by maximum length sequence Junki Yarita, Atsuhiro Nishikata (Tokyo Tech) EMCJ2018-1 |
We have evaluated and tried to improve retroreflectors consisting of antenna array with symmetrical wiring. Radar cross-... [more] | EMCJ2018-1 pp.1-5 |
| MW | 2017-11-10 13:45 |
Okinawa | Miyakojima Marin Terminal Bldg. | Improvement of Mode Uniqueness for OAM Communication Using a Loop Array by Reflector Plane Ryohei Yamagishi, Hiroto Otuka, Akira Saitou, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2017-138 |
Mode uniqueness in an orbital-angular-momentum (OAM) communication method is improved to obtain excellent performance at... [more] | MW2017-138 pp.145-149 |
| AP | 2017-08-24 14:25 |
Hokkaido | National Institute of Technology, Hakodate College | Method of Plane Wave Excitation to Optical Leaky Waveguide Hiroshi Hashiguchi, Toshihiko Baba, Hiroyuki Arai (Yokohama Natl. Univ.) AP2017-76 |
This paper presents plane wave excitation to wide optical leaky waveguide antenna. In optical communications, high anten... [more] | AP2017-76 pp.45-48 |
| AP, SAT, SANE (Joint) |
2017-07-27 14:25 |
Aichi | Nagoya Institute of Technology | 3cm amateur band small dish antenna feeds
-- patch array and reflector transition, part2 -- Derek Gray (Xi'an Jiaotong Liverpool Univ.) AP2017-57 |
[more] | AP2017-57 pp.63-68 |
| AP, SAT, SANE (Joint) |
2016-07-21 09:55 |
Hokkaido | Otaru port marina | High precision measurement of large aperture reflector shape by vision metrology in orbit Maki Akioka, Teruaki Orikasa, Masaki Satoh, Amane Miura, Morio Toyoshima, Hiroyuki Tsuji, Yoshiyuki Fujino (NICT) SAT2016-12 |
The contracted research project by "R&D on dynamic beam control technique for next generation mobile communication satel... [more] | SAT2016-12 pp.7-11 |
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