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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 38  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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, Ayumu Yabuki, Miyashita Masayuki (Softbank)
 [more]
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)
 [more]
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)
 [more]
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
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
 Results 1 - 20 of 38  /  [Next]  
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