Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-05-16 15:30 |
Okinawa |
Okinawa Industry Support Center (Primary: On-site, Secondary: Online) |
A Consideration on Discriminative Measurements of Normal Reflection and Diffuse Scattering in Millimeter Wave Band (30-300 GHz) Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto (SB) |
[more] |
|
AP |
2024-03-15 11:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing using Real-number Maclaurin Expansion Mitoshi Fujimoto, Shogo Kaginushi (Univ. Fukui), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2023-214 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] |
AP2023-214 pp.74-79 |
AP |
2024-02-16 10:00 |
Mie |
Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Consideration of Equivalence between Omuni and Direction Antennain in mm-Waves Radio Environment Measurements Toshiki Hozen, Ryo Yamaguchi, Kazuma Tomimoto, Tomonori Ikeda (Softbank) AP2023-193 |
Omnidirectional antennas are frequently used in the propagation evaluation of radio environments, but their use in the m... [more] |
AP2023-193 pp.34-38 |
AP, WPT (Joint) |
2024-01-18 09:55 |
Niigata |
Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Expansion of Virtual BF Antenna Construction Method Using Rotating Reflector Antenna for Polarized MIMO Evaluation Tomonori Ikeda, Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Masayuki Miyashita, Ayumu Yabuki (SoftBank) AP2023-168 |
The use of terahertz band is being considered for six-generation mobile communications, and the use of beamforming anten... [more] |
AP2023-168 pp.47-51 |
AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas |
EPU, Hanoi |
Isolation Improvement of a 4-element Horn Array Antenna Tomoki Hoshiko, Ryuji Kuse, Makoto Sano, Takeshi Fukusako (Kumamoto Univ), Kazuma Tomimoto, Masayuki Miyashita, Toshiki Hozen, Ryo Yamaguchi (Softbank) |
A 4-element horn array antenna is proposed.
The 4-element horn array antenna consists of a single pyramidal horn separ... [more] |
|
AP |
2023-12-14 14:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Consideration on Millimeter Wave (30 - 300 GHz) Reflection Measurement (III) Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto (SB) AP2023-158 |
[more] |
AP2023-158 pp.19-23 |
AP, RCS (Joint) |
2023-11-15 11:05 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
A Consideration on Vehicular Antenna Location
-- (II)Height Dependence -- Yuika Nakayama, Eisuke Nishiyama (Saga University), Ryo Yamaguchi, Kazuma Tomimoto, Masayuki Miyashita (Softbank), Ichihiko Toyoda (Saga University) AP2023-131 |
With the recent development of mobile communication technology, antennas mounted on vehicles have been attracting attent... [more] |
AP2023-131 pp.11-16 |
AP, RCS (Joint) |
2023-11-17 13:50 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Polarization MIMO simulation and Measurement Method in EHF band Kazuma Tomimoto, Toshiki Hozen, Tomonori Ikeda, Ryo Yamaguchi (SB) AP2023-152 RCS2023-175 |
[more] |
AP2023-152 RCS2023-175 pp.116-120(AP), pp.119-123(RCS) |
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Large-Scale IRS Design with Quasi-Quantum Annealing Shogo Kaginushi, Mitoshi Fujimoto (Univ. of Fukui), Ryo Yamaguchi, Kazuma Tomimoto (SB) AP2023-99 |
Beyond 5G and 6G are considering the use of higher frequency bands than current mobile communication systems. Because of... [more] |
AP2023-99 pp.48-49 |
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluating the Effectiveness of Radio Wave Absorber on Vehicle Communication for Single-Frequency Full-Duplex Junya Uchida, Mitoshi Fujimoto (Fukui Univ.), Ryo Yamaguchi, Kazuma Tomimoto (SB) AP2023-101 |
To achieve single-frequency Full-Duplex communication, self-interference rejection of about 110 dB is required, which ha... [more] |
AP2023-101 pp.55-56 |
AP |
2023-10-20 15:20 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing Mitoshi Fujimoto, Shogo Kaginushi (Univ. Fukui), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2023-127 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] |
AP2023-127 pp.153-157 |
MW, AP (Joint) |
2023-09-29 10:05 |
Kochi |
Kochi Castle Museum of History (Primary: On-site, Secondary: Online) |
Millimeter Wave (30 - 300 GHz) Measurement of Reflection Characteristics of Actual Building Materials Ryo Yamaguchi, Toshiki Hozen, kazuma Tomimoto (SB) AP2023-83 |
[more] |
AP2023-83 pp.27-30 |
AP, SANE, SAT (Joint) |
2023-07-13 14:50 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Experimental Study on Polarization Characterizations of Millimeter Wave (30-300GHz) Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto (SB) AP2023-49 |
[more] |
AP2023-49 pp.98-102 |
AP (2nd) |
2023-06-01 13:55 |
Nagano |
Nagano Prefecture Minamimaki Village Office, Central Public Hall |
A Consideration on Millimeter Wave (30 - 300 GHz) Reflection Measurement (II) Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto (SB) |
[more] |
|
AP |
2023-05-12 14:00 |
Okinawa |
Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
A Consideration on Millimeter Wave (30 - 300 GHz) Reflection Measurement Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto (SB) AP2023-20 |
[more] |
AP2023-20 pp.65-69 |
RCS |
2023-04-13 13:15 |
Shimane |
Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Evaluation Technologies on Vehicular Antenna for Next Generation Mobile Communications Ryo Yamaguchi, Kazuma Tomimoto (SB) RCS2023-5 |
[more] |
RCS2023-5 p.25 |
AP |
2023-03-17 11:20 |
Toyama |
Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Millimeter Wave (30 - 300 GHz) DOA Measurement Using Rotary Axis Tilt Method Ryo Yamaguchi, Toshiki Hozen, Kazuma Tomimoto, Masayuki Miyashita, Ayumu Yabuki (SB) AP2022-245 |
[more] |
AP2022-245 pp.67-71 |
AP |
2023-03-17 11:45 |
Toyama |
Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Study of DOA measurement method in multipath using rotating reflector antenna capable of measuring multiple polarizations Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi (Softbank) AP2022-246 |
It has been reported that the millimetre and terahertz wave bands used in next-generation communications have different ... [more] |
AP2022-246 pp.72-75 |
AP |
2023-02-16 13:25 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Evaluation of Received Power Distance of a Cosecant Squared Beam Reflector Antenna at 300GHz band in Indoor and Outdoor Environments Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Masayuki Miyashita, Ayumu Yabuki (Softbank) AP2022-215 |
In the 300 GHz band, which is being considered for use in Beyond 5G/6G, communication with high-gain antennas is a prere... [more] |
AP2022-215 pp.101-105 |
AP, WPT (Joint) |
2023-01-19 15:45 |
Hiroshima |
Hiroshima Institute of Technology (Primary: On-site, Secondary: Online) |
Real environment evaluation of vehicular multi-antenna combining different directivity and polarization Kazuma Tomimoto, Ryo Yamaguchi (SB) AP2022-187 |
[more] |
AP2022-187 pp.57-61 |