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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2023-03-17 11:45 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Study of DOA measurement method in multipath using rotating reflector antenna capable of measuring multiple polarizations Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi (Softbank)  AP2022-246 |
It has been reported that the millimetre and terahertz wave bands used in next-generation communications have different ... [more] | AP2022-246 pp.72-75 |
| AP | 2023-02-16 13:25 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Evaluation of Received Power Distance Characteristics of a Cosecant Squared Beam Reflector Antenna at 300GHz Band in Indoor and Outdoor Environments Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Masayuki Miyashita, Ayumu Yabuki (Softbank) AP2022-215 |
In the 300 GHz band, which is being considered for use in Beyond 5G/6G, communication with high-gain antennas is a prere... [more] | AP2022-215 pp.101-105 |
| 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 |
| RCS, AP, UWT (Joint) |
2022-11-15 10:20 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
DOA Measurements in an Indoor Environment at 300 GHz Band by Using Rotating Reflector Antenna Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Miyashita Masayuki, Ayumu yabuki (Softbank) AP2022-149 |
In this paper, we demonstrate the effectiveness of the measurement method in a real propagation environment by DOA measu... [more] | AP2022-149 pp.13-17 |
| AP, MW (Joint) |
2022-09-14 13:50 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Realization of a Cosecant Squared Beam Reflector Antenna at 300GHz band and Evaluation of Received Power with Distance Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Ayumu Yabuki, Masayuki Miyashita (Softbank) AP2022-76 |
In Beyond 5G/6G mobile communication system, the 300 GHz band is being considered for use. While the 300 GHz band can re... [more] | AP2022-76 pp.26-31 |
| AP, MW (Joint) |
2022-09-16 12:00 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Design of 150-GHz-band Horizontal Plane Omnidirectional Reflector Antenna Using Circular TE11-TM01 Mode Converters Riki Yanagisawa, Jiro Hirokawa, Takashi Tomura (Tokyo Tech) AP2022-88 |
An omnidirectional antenna is required for the measurement of radio propagation characteristics in the terahertz band. I... [more] | AP2022-88 pp.96-99 |
| AP | 2022-06-16 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Flux Separation Method for Highly Accurate Antenna Gain Prediction Nozomu Kogiso (Osaka Metro. Univ.), Yuki Suzuki, Seiya Matsushita (Osaka Pref. Univ.), Hiroaki Tanaka (NDA) AP2022-30 |
This research proposes a flux separation method for antenna gain analysis to achieve both high approximation accuracy an... [more] | AP2022-30 pp.7-12 |
| SANE | 2022-05-24 16:00 |
Kanagawa | Information Technology R & D Center, MITSUBISHI Electric Corp. (Primary: On-site, Secondary: Online) |
Grid-loaded Step Reflector Antenna with TM01-Mode Excitation for Pencil Beam Radiation Pattern Shin-ichi Yamamoto, Shuji Nuimura, Michio Takikawa (Mitsubishi Electric Corp.) SANE2022-12 |
A reflector antenna excited by the TM01 circular waveguide mode is being studied. Since the conventional reflector anten... [more] | SANE2022-12 pp.61-66 |
| 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 | 2021-12-16 10:35 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Interdigital and Multi-Via Structures for Mushroom-Type Metasurface Reflectors
-- Simulation-Based Design and Evaluation Experiments -- Taisei Urakami (NIT (KOSEN), Kagawa College), Tamami Maruyama (NIT (KOSEN), Hakodate College), Akira Ono, Takahiro Shiozawa (NIT (KOSEN), Kagawa College) MW2021-84 |
The novel patch element shapes with the interdigital and multi-via structures of a mushroom-type metasurface reflector h... [more] | MW2021-84 pp.1-6 |
| AP, RCS (Joint) |
2021-11-10 16:45 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Consideration on DOA Measurement Method at 300 GHz Band by The Double-Directional Rotating Reflector Antenna Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Ayumu Yabuki, Masayuki Miyashita (Softbank) AP2021-108 |
For realizing even higher data rates, terahertz frequency bands are being considered for Beyond 5G/6G wireless communica... [more] | AP2021-108 pp.44-49 |
| 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 |
| MW, AP (Joint) |
2021-09-09 14:25 |
Online | Online | An excitation of millimeter-wave band leaky wave antenna using through-hole reflector and convertor from waveguide Wataru Iida, Hiroyuki Arai (YNU) AP2021-57 |
In this paper, the leaky wave antenna in the millimeter wave band above 100 GHz is investigated. First, the characterist... [more] | AP2021-57 pp.6-9 |
| 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 |
| RCS, AP, UWT (Joint) |
2020-11-25 10:15 |
Online | Online | Grid-loaded Step Reflector Antenna with Coaxial-Mode Excitation Shin-ichi Yamamoto, Shuji Nuimura, Michio Takikawa (Mitsubishi Electric Corp.) AP2020-75 |
A reflector antenna excited by TM01 circular waveguide mode is being studied. Since the conventional reflector antenna w... [more] | AP2020-75 pp.11-16 |
| 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] | |
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