Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, CS (Joint) |
2024-01-12 09:55 |
Kagoshima |
(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 (Miyagi, Online) (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 (Miyagi, Online) (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, MW (Joint) |
2022-09-14 11:35 |
Ehime |
The Museum of Art, EHIME (Ehime, Online) (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 |
SDM, ICD, ITE-IST [detail] |
2021-08-18 09:30 |
Online |
Online (Online) |
[Invited Talk]
Analog in-memory computing in FeFET based 1T1R array for low-power edge AI applications Daisuke Saito, Toshiyuki Kobayashi, Hiroki Koga (SONY), Yusuke Shuto, Jun Okuno, Kenta Konishi (SSS), Masanori Tsukamoto, Kazunobu Ohkuri (SONY), Taku Umebayashi (SSS), Takayuki Ezaki (SONY) SDM2021-36 ICD2021-7 |
Deep neural network (DNN) inference for edge AI requires low-power operation, which can be achieved by implementing mass... [more] |
SDM2021-36 ICD2021-7 pp.33-37 |
AP, SANE, SAT (Joint) |
2021-07-30 11:15 |
Online |
Online (Online) |
Received Power Improvement and K-factor in the Desired Direction of Meta-Surface Reflector at 28 GHz-Band Doppo Sugimura, Mayumi Yoshino, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo) AP2021-40 |
In the next generation system, it is difficult to construct wireless service area because it is allocated high frequency... [more] |
AP2021-40 pp.92-96 |
AP (2nd) |
2021-06-18 11:30 |
Online |
Online (Online) |
A Study of Scattering Pattern Measurement on Meta-surface Reflector Yuko Rikuta, Lin Wang, Hiroki Hagiwara, Toshiyuki Kobayashi (DENGYO) |
Quasi-millimeter-wave band such as 28 GHz band used in the fifth generation wireless communications has high straightnes... [more] |
|
AP |
2020-04-24 10:20 |
Mie |
Jingu-kaikan (Ise) (Mie) (Cancelled but technical report was issued) |
Received Power Improvement in NLoS Region of L-Shaped Corridor by Utilizing Meta-Surface Reflector Mayumi Yoshino, Doppo Sugimura, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo), Hiromi Matsuno, Satoshi Ito (KDDI Research) AP2020-5 |
For the make use of high frequency band in the next generation mobile communication systems, MSR (Meta-Surface Reflector... [more] |
AP2020-5 pp.23-26 |
AP, SANE, SAT (Joint) |
2019-07-18 15:20 |
Miyagi |
Tohoku Univ. (Miyagi) |
[Invited Lecture]
Propagation Characteristics in a L-shaped Corridor by Antenna Directivity at 28 GHz Band Mayumi Yoshino, Doppo Sugimura, Hiroki Hagiwara, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo) AP2019-36 |
For the next generation mobile communication system, it is important to understand propagation characteristics at high f... [more] |
AP2019-36 pp.79-82 |
AP |
2019-05-16 13:05 |
Hyogo |
Kanpo-no-yado Arima (Arima Onsen, Hyogo) (Hyogo) |
Received Power Fluctuation by Antenna Directivity at 4.5 GHz and 28 GHz Bands Mayumi Yoshino, Doppo Sugimura, Ryunosuke Murofushi, Hiroki Hagiwara, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo) AP2019-1 |
For the next generation mobile communication system in recent years, high frequency bands such as 4.5 GHz and 28 GHz are... [more] |
AP2019-1 pp.1-6 |
RCS, AP (Joint) |
2018-11-20 10:45 |
Okinawa |
Okinawa Industry Support Center (Okinawa) |
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 |