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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, WPT (Joint) |
2025-01-23 11:20 |
Shimane | Rokan, Matsue (Primary: On-site, Secondary: Online) |
A Consideration on Antenna Applications of Quantum Computation (II) Ryo Yamaguchi (SB) |
[more] | |
| AP, WPT (Joint) |
2025-01-23 14:10 |
Shimane | Rokan, Matsue (Primary: On-site, Secondary: Online) |
Analysis of Reception Level Fluctuation Distribution due to Human Body Shadowing Kosuke Ishii, Tetsuro Imai (TDU), Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Tomonori Ikeda (SoftBank) |
[more] | |
| AP | 2024-12-12 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Considerations on Antenna Applications of Quantum Computation
-- QUBO Formulation of Phase Term -- Ryo Yamaguchi (SB) |
[more] | |
| AP | 2024-10-16 16:55 |
Fukuoka | ACROS Fukuoka (Primary: On-site, Secondary: Online) |
Fundamental studies on Reconfigurable Reflectarray Antenna for Independent Control of Polarization Yosuke Maruno, Makoto Sano, Takeshi Fukusako, Ryuji Kuse (Kumamoto Univ.), Kazuma Tomimoto, Toshiki Hozen, Tomonori Ikeda, Ryo Yamaguchi (SoftBank Corp.)  AP2024-59 |
This paper proposes a reflectarray capable of independently controlling the beams of horizontal and vertical polarizatio... [more] | AP2024-59 pp.19-23 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Two-dimensional Beamforming by Simulated Annealing Kayako Yuda, Mitoshi Fujimoto (Fukui Univ.), Ryo Yamaguchi, Kazuma Tomimoto, Tomonori Ikeda (Softbank) AP2024-76 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] | AP2024-76 pp.66-67 |
| AP | 2024-10-17 12:50 |
Fukuoka | ACROS Fukuoka (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Phase control of a metasurface reflector using a patch-type model with short posts Shinya Endo, Mitoshi Fujimoto (Fukui Univ), Ryo Yamaguchi, Kazuma Toyomimoto, Tomonori Ikeda (Softbank) AP2024-115 |
Beyond 5G and 6G are considering the use of higher frequency bands than current mobile communication systems. Radio wave... [more] | AP2024-115 pp.161-162 |
| AP, SANE, SAT (Joint) |
2024-07-25 15:50 |
Hokkaido | Frontier Research in Applied Sciences Building, Hokkaido University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Effect of Human Body Shielding on Polarization Characteristics of Terahertz Waves Masayuki Miyashita, Ayumu Yabuki, Toshiki Hozen, Tomonori Ikeda, Kazuma Tomimoto, Ryo Yamaguchi (SoftBank) AP2024-40 |
In this paper, we measure the polarization characteristics due to the shielding loss associated with the human body and ... [more] | AP2024-40 pp.101-105 |
| AP, SANE, SAT (Joint) |
2024-07-25 16:10 |
Hokkaido | Frontier Research in Applied Sciences Building, Hokkaido University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Reception Level Fluctuation Characteristics of Millimeter and Sub-THz Waves due to Human Body Shadowing in Indoor Environment Kosuke Ishii, Tetsuro Imai (TDU), Masayuki Miyashita, Toshiki Hozen, Ryo Yamaguchi, Kazuma Tomimoto, Tomonori Ikeda (SoftBank) AP2024-42 |
The use of millimeter wave and Sub-THz waves, which have a wide frequency bandwidth, is being considered for 6G to reali... [more] | AP2024-42 pp.112-117 |
| 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) AP2024-10 |
[more] | AP2024-10 pp.16-20 |
| 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 |
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