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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 | 2020-10-02 11:10 |
Okinawa | 2 sub sites and online (Primary: On-site, Secondary: Online) |
Antenna and propagation measurements for mobile comminucations using rotating reflector Ryo Yamaguchi (SB) AP2020-69 |
[more] | AP2020-69 pp.7-10 |
| AP, SANE, SAT (Joint) |
2020-07-17 14:25 |
Online | Online | [Special Talk]
Doppler Spectrum of V2V Direct Communications for Platooning Ryo Yamaguchi (SB) |
[more] | |
| 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 | 2020-03-26 15:35 |
Fukui | Fukui College (Cancelled but technical report was issued) |
Formulation of Doppler Spectrum on V2V Communications for Platooning Ryo Yamaguchi, Koichi Serizawa, Kazema Tomimoto, Masayuki Miyashita (SoftBank) AP2019-202 |
[more] | AP2019-202 pp.29-33 |
| 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 |
| AP (2nd) |
2019-12-19 14:10 |
Tokyo | Takushoku University, Hachioji Int'l Campus, Onshi Centenary Hall | A consideration on interference measurement method of repeater system for mobile communications using Doppler effect Ryo Yamaguchi, Koichi Serizawa, Kazuma Tomimoto, Masayuki Miyashita (SoftBank) |
[more] | |
| AP | 2019-12-12 14:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Formulation of Doppler Spectrum with Double Frequency on V2V Communications for Platooning RyoYamaguchi, Koichi Serizawa, Kazuma Tomimoto, Masayuki Miyashita (SoftBank) AP2019-145 |
[more] | AP2019-145 pp.19-23 |
| AP, RCS (Joint) |
2019-11-20 16:10 |
Saga | Saga Univ. | [Invited Lecture]
Doppler Shift Modeling on V2V Communications for Platooning Ryo Yamaguchi, Koichi Serizawa, Kazuma Tommimoto, Masayuki Miyashita (SoftBank) AP2019-116 RCS2019-208 |
[more] | AP2019-116 RCS2019-208 pp.59-64(AP), pp.31-36(RCS) |
| ICTSSL, IN | 2019-10-17 13:00 |
Oita | Extension of the Disaster Information Sharing System DITS/DIMS to a System Which is Available on a Daily Basis Osamu Uchida (Tokai Univ.), Masafumi Kosugi (Yahoo Japan), Ryoji Yamaguchi (FutureBase), Kohei Cho (Tokai Univ.) ICTSSL2019-21 IN2019-35 |
Utilizing Twitter at the time of disaster has been gaining attention, because to minimize the damage by disasters, it is... [more] | ICTSSL2019-21 IN2019-35 pp.29-33 |
|
| AP | 2019-08-22 10:00 |
Hokkaido | Hokkai-Gakuen Univ. | Reduction Effect of Propagation Spread by On-Vehicle Directional Antenna Naozumi Ando, Mitoshi Fujimoto (Univ. Fukui), Kazuma Tomimoto, Ryo Yamaguchi (Soft Bank) AP2019-53 |
In mobile communication using an on board antenna such as a connected car, radio environment becomes multipath propagati... [more] | AP2019-53 pp.35-38 |
| AP, SANE, SAT (Joint) |
2019-07-17 15:00 |
Miyagi | Tohoku Univ. | [Invited Lecture]
Doppler Spectrum Evaluation on V2V Communication for Platooning Koichi Serizawa, Kazuma Tomimoto, Masayuki Miyashita, Ryo Yamaguchi (SoftBank) AP2019-28 |
R&D on 5th generation mobile communication (5G) has been actively conducted in recent years. We focus on "Ultra-Reliable... [more] | AP2019-28 pp.39-42 |
| AP | 2019-05-16 14:30 |
Hyogo | Kanpo-no-yado Arima (Arima Onsen, Hyogo) | Consideration on Physical Models of Synthetic Aperture Measurement Techniques Ryo Yamaguchi (Soft Bank) AP2019-4 |
Far field measurement method using synthetic aperture method is effective to an 1-dimensional long antenna like a mobile... [more] | AP2019-4 pp.19-24 |
| IT, ISEC, WBS | 2019-03-08 14:20 |
Tokyo | University of Electro-Communications | On Wireless Steganography based on OFDM and DFT-Precoding for IoT Networks Ryohei Yamaguchi, Hideki Ochiai, Junji Shikata (Yokohama Natl. Univ.) IT2018-124 ISEC2018-130 WBS2018-125 |
A method for improving security of IoT networks by hiding secret message against the risk of eavesdropping over wire... [more] |
IT2018-124 ISEC2018-130 WBS2018-125 pp.297-302 |
| AP (2nd) |
2018-12-06 14:55 |
Kagoshima | Amami-city AiAi Hiroba | Time Domain Measurements of Array Antenna Using Vector Network Analyzer with External Signal Generator Ryo Yamaguchi, Kazuma Tomimoto (SoftBank) |
[more] | |
| RCS, AP (Joint) |
2018-11-22 13:40 |
Okinawa | Okinawa Industry Support Center | [Invited Lecture]
Field Experimental Evaluation on 5G Low Latency Communications for Application to Truck Platooning Manabu Mikami, Ryo Yamaguchi, Hitoshi Yoshino (SoftBank) AP2018-135 RCS2018-210 |
Fifth generation mobile communication system (5G) is designed to have new radio capabilities which will support not only... [more] | AP2018-135 RCS2018-210 pp.185-190(AP), pp.181-186(RCS) |
| RCS, AP (Joint) |
2018-11-22 15:30 |
Okinawa | Okinawa Industry Support Center | Antenna and Propagation Measurements for Platooning V2V Communications Ryo Yamaguchi, Kazuma Tomimoto, Masayuki Miyashita, Koichi Serizawa (SoftBank) AP2018-139 |
[more] | AP2018-139 pp.209-213 |
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