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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, CS (Joint) |
2024-01-12 09:55 |
Kagoshima | Fully coherent optical and wireless transmission in the 28 GHz band by using an injection-locked carrier frequency converter Koichi Shirahata, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.), Uichiro Azuma, Toshiyuki Kobayashi (Nihon Dengyo Kosaku)  OCS2023-63 |
As an optical mobile fronthaul with low latency and low power consumption, we have proposed a fully coherent optical and... [more] | OCS2023-63 pp.31-36 |
|
| AP | 2023-02-17 14:15 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Suppression of Long Line Effect in Horizontally Polarized Series-Fed Array Antenna Uichiro Azuma, Toshiyuki Kobayashi (Dengyo) AP2022-228 |
Series feeding, which simplifies the feed line, is effective for arraying planar antennas such as microstrip antennas. H... [more] | AP2022-228 pp.172-177 |
| AP | 2023-02-17 14:55 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Coherently-linked optical and wireless transmission by using a 28 GHz band microstrip antenna Keisuke Kasai, Taisei Sato, Koichi Shirahata, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ), Uichiro Azuma, Toshiyuki Kobayashi (Dengyo) AP2022-229 |
As an economical, large-capacity mobile fronthaul, we have proposed coherently-linked optical and wireless transmission ... [more] | AP2022-229 pp.178-183 |
| AP (2nd) |
2022-12-08 11:25 |
Okinawa | (Primary: On-site, Secondary: Online) |
Millimeter-wave multi-beam measurement using series-fed array antenna Yuki Kimura, Doppo Sugimura, Kengo Shimada, Uichiro Azuma (Dengyo) |
As a MIMO antenna for millimeter-wave 5G base stations, an antenna with a configuration that forms multi-beam in all hor... [more] | |
| AP, MW (Joint) |
2022-09-14 11:35 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Improvement of reflection characteristics and suppression of long line effect in series-fed array antenna
-- 28GHz band vertically polarized antenna design -- Uichiro Azuma, Toshiyuki Kobayashi (Dengyo) AP2022-73 |
When designing an array antenna in a frequency band with a short wavelength such as the millimeter wave band, the design... [more] | AP2022-73 pp.11-16 |
| AP | 2020-02-21 09:55 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | [Invited Lecture]
Bandwidth Enlargement of Circularly Polarized by Adding Matching Circuit to Hexagonal Radiation Element in Waveguide Slot Array Antenna Azuma Uichiro, Kudo Tomoaki (Dengyo) AP2019-187 |
It has been reported that a hexagonal radiating element is used for circular polarization of a waveguide slot array ante... [more] | AP2019-187 pp.35-40 |
| RCS, AP (Joint) |
2018-11-20 10:45 |
Okinawa | Okinawa Industry Support Center | An Offset Structure of Subarray Elements with Radiation Cavity for Corporate-Feed Waveguide Slot Array Antenna Ryunosuke Murofushi, Uichiro Azuma, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo) AP2018-103 |
Corporate-feed waveguide slot array antenna has been proposed as one of antennas expected high gain and wide band charac... [more] | AP2018-103 pp.9-14 |
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