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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 99  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, SANE, SAT
(Joint)
2022-07-29
13:30
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
Indoor mm-Wave Antenna Measurement Using Rotating Reflector
Ryo Yamaguchi (SB)
 [more]
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 2022-05-20
10:55
Hyogo Kobe Port Oasis
(Primary: On-site, Secondary: Online)
A study on vehicular antennas -- - Evaluation of Antenna Coupling Between Tx and Rx for Full-Duplex - --
Ryo Yamaguchi, SoftBank (SB), Kohei Nono, Mitoshi Fujimoto (Univ. of Fukui) AP2022-24
 [more] AP2022-24
pp.74-78
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 2020-10-02
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, 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)
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
 Results 1 - 20 of 99  /  [Next]  
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