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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP (2nd) |
2025-01-09 14:35 |
Kyoto | Ryukoku University (Kyoto) | Phase Retrieval Method Using Near-Field Measurement in A Single Planar Inhyeok Choi, Hiroyuki Arai (Yokohama National Univ.) |
In recent years, wireless measurement methods in the near-field are developed for antenna performance evaluation. Howeve... [more] | |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Phase Retrieval Method Using Near-Field Measurement in A Single Planar Inhyeok Choi, Hiroyuki Arai (Yokohama National Univ)  AP2024-68 |
In recent years, wireless measurement methods in the near-field are developed for antenna performance evaluation. Howeve... [more] | AP2024-68 pp.48-49 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Optimizing the directivity of Leaky Wave Antenna using Dielectric Image Line with feeding system Kei Hanzawa, Hiroyuki Arai (Yokohama National Univ.) AP2024-69 |
Leaky Wave Antenna using Dielectric Image Line have attracted attention as base station antennas in the submillimeter wa... [more] | AP2024-69 pp.50-54 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Dual-Polarized Tapered Slot Antenna for Measuring Probe Genki Sato, Hiroyuki Arai (Yokohama National Univ.) AP2024-73 |
In recent years, tapered slot antennas (TSAs) have been considered as small, wide-bandwidth probes in antenna measuremen... [more] | AP2024-73 p.61 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Optimization of element amplitudes in planar array antennas in the near field Yusuke Sato, Hiroyuki Arai (Yokohama National Univ) AP2024-89 |
Due to the expected demand for wireless power transmission, radio waves must be transmitted efficiently in near-field re... [more] | AP2024-89 pp.94-95 |
| AP | 2024-10-17 12:50 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Channel capacity of cosec^2 θ pattern in indoor propagation scenario at 28GHz Ryo Nishizono, Hiroyuki Arai (Yokohama National Univ.) AP2024-114 |
In this paper, we show that the cosec^2θ pattern, an advanced base station antenna pattern, is effective for indoor prop... [more] | AP2024-114 pp.159-160 |
| AP (2nd) |
2024-08-05 14:45 |
Tokyo | Chichijima (Tokyo) | Phase-retrieval method for high gain antennas in only amplitude spherically scanned Takaharu Nakase, Hiroyuki Arai (Yokohama National Univ.) |
In recent years, the reduction of measurement time and the miniaturization of equipment are urgent issues in Over The Ai... [more] | |
| AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas | EPU, Hanoi (Overseas) | Decoupling Design of ±45° Polarization Patch Antenna Using Bridge and Slot Ryoto Ogushi, Hiroyuki Arai (Yokohama National Univ.) |
In this paper, decoupling method using slots and bridges is proposed for patch antennas. one significant challenge is th... [more] | |
| AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas | EPU, Hanoi (Overseas) | Sampling Points Reduction in Phase-less Spherical Near Field Takaharu Nakase, Hiroyuki Arai (Yokohama National Univ.) |
his paper presents sampling points reduction in a Far-Field estimation method for a small low-gain antenna measured by p... [more] | |
| AP | 2023-02-17 16:25 |
Miyagi | Tohoku University, Aobayama Campus (Miyagi, Online) (Primary: On-site, Secondary: Online) |
A Reflection-Type Phase Shifter Using Magic-T and Anti-Phase Reflection Loads Jo Tamura, Hiroyuki Arai (Yokohama Natl. Univ.) AP2022-232 |
[more] | AP2022-232 pp.194-199 |
| AP, WPT (Joint) |
2023-01-19 09:50 |
Hiroshima | Hiroshima Institute of Technology (Hiroshima, Online) (Primary: On-site, Secondary: Online) |
Scanning Range Expansion by Reflectarray Satoshi Sugaya, Hiroyuki Arai (Yokohama National Univ.) AP2022-177 |
[more] | AP2022-177 pp.1-5 |
| AP, WPT (Joint) |
2023-01-19 15:20 |
Hiroshima | Hiroshima Institute of Technology (Hiroshima, Online) (Primary: On-site, Secondary: Online) |
Decoupling design and measurement of quad polarization antenna with dual-layer structure Shota Takato, Hiroyuki Arai (Yokohama National Univ.) AP2022-186 |
This study presents a design to decouple a quad-polarization antenna element. It consists of a bottom patch for orthogon... [more] | AP2022-186 pp.51-56 |
| AP | 2022-10-19 09:30 |
Gifu | GIFU CITY CULTURE CENTER (Gifu, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Design of broadband patch antennas using metasurfaces Naoto Tomiyama, Jo Tamura, Satoshi Sugaya, Hiroyuki Arai (Yokohama National Univ.) AP2022-96 |
[more] | AP2022-96 pp.11-13 |
| AP | 2022-10-19 09:30 |
Gifu | GIFU CITY CULTURE CENTER (Gifu, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Sampling Points Reduction in Over The Air Takaharu Nakase, Yusuke Mitsui, Hiroyuki Arai (YNU) AP2022-104 |
This paper presents reduction of sampling points in Over the Air (OTA) test. OTA test conduct is problematic to take a l... [more] | AP2022-104 pp.44-46 |
| AP | 2022-10-19 12:20 |
Gifu | GIFU CITY CULTURE CENTER (Gifu, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Decoupling design of quad polarization patch antenna using neutralization bridge Ryoto Ohgushi, Shota Takato, Hiroyuki Arai (Yokohama National Univ.) AP2022-116 |
When antennas are used in a small area, there is a problem that the mutual coupling between the antennas becomes large. ... [more] | AP2022-116 pp.91-96 |
| AP | 2022-10-19 12:20 |
Gifu | GIFU CITY CULTURE CENTER (Gifu, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation of Digital-to-RF Upconversion Using Harmonic Images of DAC Output by Simulation Sho Sarukawa, Hiroyuki Arai (Yokohama National Univ.) AP2022-124 |
In this paper, we performed simulation of digital-to-RF upconversion using harmonic images of DAC output and evaluated t... [more] | AP2022-124 pp.122-124 |
| AP, MW (Joint) |
2022-09-14 12:00 |
Ehime | The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
A Study on Low Side-lobes Level of Yagi-Uda Antenna Yasuko Kimura, Yuki Inoue (NTT DOCOMO), Tomoyuki Soga, Makoto Mizumura (Nihon Dengyo Kosaku), Hiroyuki Arai (Yokohama National Univ.) AP2022-74 |
[more] | AP2022-74 pp.17-21 |
| AP, MW (Joint) |
2022-09-15 14:15 |
Ehime | The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
Propagation experiment using 28GHz multi-sector antenna for indoor base station Yuki Inoue, Yasuko Kimura (NTT DOCOMO), Hiroyuki Arai (Yokohama National Univ.) AP2022-80 |
More higher frequency band will be used in Beyond 5G or 6G mobile communication system. To cover the area of indoor envi... [more] | AP2022-80 pp.50-55 |
| AP, MW (Joint) |
2022-09-16 16:15 |
Ehime | The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
A Wideband Reflection-Type Phase Shifter Using Magic-T Jo Tamura, Hiroyuki Arai (Yokohama Natl. Univ.) AP2022-91 |
[more] | AP2022-91 pp.110-114 |
| AP (2nd) |
2022-06-10 13:15 |
Hokkaido | Nemuro General Cultural Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
The radiation characteristics estimation by using the spherical near field amplitude of a single surface. Yusuke Mitsui, Hiroyuki Arai (Yokohama National Univ.) |
[more] | |
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