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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP (2nd) |
2022-12-08 11:50 |
Okinawa | (Primary: On-site, Secondary: Online) |
Study of DOA measurement system using rotating reflector antenna capable of measuring multiple polarizations Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi (Softbank) |
[more] | |
| 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 |
| RCS, AP, UWT (Joint) |
2022-11-15 11:25 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
On the Polarization Effects of Human Body Scattering in Terahertz Waves Masayuki Miyashita, Ayumu Yabuki, Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi (SB) AP2022-151 |
In this paper, we measure the polarization characteristics in human body scattering using the terahertz waves. From the ... [more] | AP2022-151 pp.24-28 |
| RCS, AP, UWT (Joint) |
2022-11-15 14:30 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
An investigation of antenna elements for vehicular multi-antenna Kazuma Tomimoto, Ryo Yamaguchi (SB) AP2022-153 |
[more] | AP2022-153 pp.35-38 |
| RCS, AP, UWT (Joint) |
2022-11-16 16:00 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Millimeter Wave (30 - 300 GHz) Antenna Beam Emulator Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto, Masayuki Miyashita, Ayumu Yabuki (SB) AP2022-158 RCS2022-172 |
[more] | AP2022-158 RCS2022-172 pp.62-66(AP), pp.101-105(RCS) |
| 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, SANE, SAT (Joint) |
2022-07-28 14:30 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Analysis of V2V communication using FDTD method Naoki Ariyama, Takuji Arima (TUAT), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2022-51 |
The need for vehicle-to-vehicle communications is increasing to realize more accurate automated driving and advanced tra... [more] | AP2022-51 pp.97-100 |
| AP, SANE, SAT (Joint) |
2022-07-29 13:30 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Indoor mm-Wave (30 - 300 GHz) Antenna Measurement Using Rotating Reflector Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto, masayuki Miyashita, Ayumu Yabuki (SB) AP2022-60 |
[more] | AP2022-60 pp.145-150 |
| AP (2nd) |
2022-06-10 14:15 |
Hokkaido | Nemuro General Cultural Center (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A vehicular multi antennas measurement method using commercial base stations
-- Realization and example of utilization -- Kazuma Tomimoto (SB/Kumamoto Univ.), Ryo Yamaguchi (SB), Takeshi Fukusako (Kumamoto Univ.) |
[more] | |
| 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 |
| AP, RCS (Joint) |
2021-11-12 11:45 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Consideration on Vehicular Antenna Location
-- (I) Wavelength Normalized 2-Stage Image Model -- Ryo Yamaguchi, Kazuma Tomimoto (SB) AP2021-125 |
[more] | AP2021-125 pp.126-131 |
| AP | 2021-10-07 14:25 |
Online | Online | [Poster Presentation]
A Study on Modeling Method of Surrounding Objects with RCS in FDTD Method Kohei Nono, Mitoshi Fujimoto (Univ. of Fukui), Ryo Yamaguchi, Kazuma Tomimoto (SB) AP2021-94 |
To achieve single-frequency Full-Duplex communication, self-interference rejection of about 110 dB is required, which ha... [more] | AP2021-94 pp.102-103 |
| AP, SANE, SAT (Joint) |
2021-07-29 11:15 |
Online | Online | A Consideration on Vehicular Antennas Ryo Yamaguchi, Kazuma Tomimoto (SB) AP2021-35 |
[more] | AP2021-35 pp.65-69 |
| AP | 2021-04-16 13:25 |
Hyogo | Kinosaki International Arts Center (Primary: On-site, Secondary: Online) |
Relationship between Doppler spectrum and ground surface scattering in platooning V2V direct communication Tetsuro Imai (TDU), Masayuki Miyashita, Ryo Yamaguchi, Kazuma Tomimoto (SoftBank) AP2021-5 |
At present, platooning V2V direct communication systems have been actively investigated. In the systems, the velocity of... [more] | AP2021-5 pp.23-27 |
| AP | 2021-02-19 14:50 |
Online | Online | [Invited Lecture]
A Study on Antenna Placement for Vehicular Multiple Antennas Kazuma Tomimoto, Ryo Yamaguchi (SB), Takeshi Fukusako (Kumamoto Univ.) AP2020-129 |
[more] | AP2020-129 pp.73-76 |
| AP | 2020-12-17 15:15 |
Online | Online | A Novel Measurement Method of Synthetic Aperture DOA Using Rotating Reflector
-- Virtual Arc Array Beamforming with Image Sources -- Ryo Yamaguchi, Kazuma Tomimoto (SB) AP2020-101 |
[more] | AP2020-101 pp.29-32 |
| AP | 2020-05-22 11:10 |
Okinawa | Tiruru Okinawa (Naha-city) (Cancelled, technical report was not issued) |
Experimental Study on Doppler Spectrum of V2V Communications for Platooning Koichi Serizawa, Ryo Yamaguchi, Kazuma Tomimoto, Masayuki Miyashita (SoftBank) |
[more] | |
| AP | 2020-02-21 10:20 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | [Invited Lecture]
DOA measurement in multi base station environments using SA antenna Kazuma Tomimoto, Ryo Yamaguchi (Softbank Corp.), Takeshi Fukusako (Kumamoto Univ.) AP2019-188 |
[more] | AP2019-188 pp.41-45 |
| AP | 2020-02-21 13:50 |
Shizuoka | Shizuoka Univ. Hamamatsu Campus | [Invited Lecture]
V2X Doppler Spectrum
-- ―Doppler Spectrum of V2V Communications with Different Velocity― -- Ryo Yamaguchi, Koichi Serizawa, kazuma Tomimoto, Masayuki Miyashita (SoftBank) AP2019-193 |
[more] | AP2019-193 pp.69-74 |
| AP, WPT (Joint) |
2020-01-23 14:35 |
Kagawa | Sunport Hall Takamatsu | [Invited Lecture]
Effect of antenna pattern on Doppler spectrum of V2V direct communications for platooning Ryo Yamaguchi, Koichi Serizawa, Kazuma Tomimoto, Masayuki Miyashita (SoftBank) AP2019-159 |
[more] | AP2019-159 pp.49-54 |
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