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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 178  /  [Next]  
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 (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
 [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 Niigata Univ.
(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
 Results 1 - 20 of 178  /  [Next]  
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