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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2025-02-21 11:05 |
Aichi | Toyohashi Univ. of Technology (Aichi, Online) (Primary: On-site, Secondary: Online) |
Line-of-Sight Evaluation in Urban Environments Using Digital Twin Technology with a Game Engine Yu Nagaoka, Keiya Kurihara, Toshiyuki Maeyama (Takushoku Univ.) |
[more] | |
| AP | 2025-02-21 11:30 |
Aichi | Toyohashi Univ. of Technology (Aichi, Online) (Primary: On-site, Secondary: Online) |
Design evaluation of tunnel area for the Linear Chuo Shinkansen Keiya Kurihara, Toshiyuki Maeyama (Takushoku Univ) |
(To be available after the conference date) [more] | |
| MIKA (3rd) |
2024-10-28 15:40 |
Okayama | Okayama Convention Center (Okayama) | [Poster Presentation]
A Study of Beam Scanning Characteristics of Thinner and Weight Reduction Lens Antenna with Zoning for HAPS Tracking Genma Hattori (MWF/Takushoku Univ.), Sou Ema, Yuta Horie (MWF), Toshiyuki Maeyama (Takushoku Univ.) |
Beyond 5G/6G, the next-generation wireless communication system, is expected to expand the communication area to the con... [more] | |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation of Doppler Shift in Ultra High-Speed Rail for Beyond 5G Yu Nagaoka, Shintou Jyo, Keiya Kurihara, Toshiyuki Maeyama (Takushoku Univ.)  AP2024-78 |
The construction of the Chuo Shinkansen, a maglev train, is progressing with the goal of commencing operations in 2027. ... [more] | AP2024-78 pp.70-71 |
| AP, SANE, SAT (Joint) |
2024-07-24 14:20 |
Hokkaido | Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
A Study on Thinner Lens Antennas and Beam Scanning Characteristics for Ground Station Antennas for Non-Terrestrial Network (NTN) Genma Hattori (MWF/Takushoku Univ.), Sou Ema, Yuta Horie (MWF), Toshiyuki Maeyama (Takushoku Univ.) SAT2024-15 |
Beyond 5G/6G, the next-generation wireless communication systems, are expected to extend the communication area not only... [more] | SAT2024-15 pp.2-7 |
| RCS, SR, SRW (Joint) |
2024-03-15 14:50 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
A study of performance evaluation of full duplex relay in millimeter wave for Beyond5G Keiya Kurihara, Toshiyuki Maeyama (Takushoku Univ.) RCS2023-289 |
Further improvement of frequency utilization efficiency is required for Beyond 5G and 6G in 2030. As one of the approach... [more] | RCS2023-289 pp.158-163 |
| AP, SANE, SAT (Joint) |
2023-07-13 10:30 |
Hokkaido | The Citizen Activity Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
mmWave/Terahertz waves waveguide model using photonic crystals and analysis of slotted antennas using mmWave waveguides Kota Shinozaki (Takushoku Univ./I-PEX), Toshiyuki Maeyama, Yasuhiro Tsunemitsu (Takushoku Univ.), Hiroki Nakamura (I-PEX) AP2023-44 |
In order to realize Beyond 5G/6G communications aiming for ultra-high-speed and large-capacity communication, the freque... [more] | AP2023-44 pp.70-75 |
| AP | 2022-10-20 15:00 |
Gifu | GIFU CITY CULTURE CENTER (Gifu, Online) (Primary: On-site, Secondary: Online) |
A Study on Permittivity Estimation of Building Materials by Standing Wave Method Hiroki Aizawa, Toshiyuki Maeyama (Takushoku Univ.) AP2022-143 |
The authors are conducting research to estimate indoor propagation characteristics in detail using electromagnetic analy... [more] | AP2022-143 pp.222-227 |
| RCS, SR, SRW (Joint) |
2022-03-04 14:05 |
Online | Online (Online) | Extraction of Features for Classification by Machine Learning of Electromagnetic Noise Corresponding to Various Manufacturing Field Environments Michio Miyamoto, Ayano Ohnishi, Yoshio Takeuchi (ATR), Toshiyuki Maeyama (ATR/Takushoku Univ.), Akio Hasegawa, Hiroyuki Yokoyama (ATR) SR2021-118 |
We extract electromagnetic noise from time-series spectrum data measured at the manufacturing site. In this case, it is ... [more] | SR2021-118 pp.139-145 |
| RCS, SR, SRW (Joint) |
2022-03-04 14:30 |
Online | Online (Online) | Automatic Spectrum Sharing by using Smart Contracts and CA Nobuo Suzuki (ATR/Kindai Univ.), Toshiyuki Maeyama (Takushoku Univ.), Tatsuya Yoshioka, Akio Hasegawa, Hiroyuki Yokoyama (ATR) SR2021-119 |
It is effective to utilize existing spectrum resources in order to realize more advanced mobile communication systems su... [more] | SR2021-119 pp.146-153 |
| AP | 2021-10-07 13:00 |
Online | Online (Online) | [Poster Presentation]
Study on Equivalent Permittivity Estimating Method for Composite Materials Hiroki Aizawa, Toshiyuki Maeyama (Takushoku Univ.) AP2021-80 |
In order to estimate indoor propagation characteristics by electromagnetic analysis method, accurate electrical constant... [more] | AP2021-80 pp.51-53 |
| AP | 2021-08-20 10:00 |
Online | Online (Online) | A Study on Permittivity Estimation of Building Materials Hiroki Aizawa, Yuya Arakawa, Toshiyuki Maeyama (Takushoku Univ), Takehiro Turuta (Takenaka Technical Research Institute) AP2021-48 |
The authors are working on the estimate of the indoor propagation characteristics using the electromagnetic analytical t... [more] | AP2021-48 pp.1-6 |
| AP, SANE, SAT (Joint) |
2021-07-28 16:20 |
Online | Online (Online) | [Invited Lecture]
A Study on Path Loss Prediction Formula for IoT wireless system close to Concrete Ceiling with Flat Surface in 920MHz band Naotake Yamamoto, Taichi Sasaki, Atsushi Yamamoto, Tetsuya Hishikawa (Panasonic), Kentaro Saito (Tokyo Denki Univ.), Junichi Takada (Tokyo Tech.), Toshiyuki Maeyama (Takushoku Univ.) AP2021-32 |
With the growth of the IoT (Internet of Things) market in recent years, wireless devices in the 920MHz band have been im... [more] | AP2021-32 pp.49-54 |
| RCS, SR, SRW (Joint) |
2021-03-05 16:55 |
Online | Online (Online) | Electromagnetic Noise Classification and Novelty Detection for Frequency Sharing among Various Communications in the Manufacturing Field Michio Miyamoto, Ayano Ohnishi, Yoshio Takeuchi (ATR), Toshiyuki Maeyama (ATR/Takushoku Univ.), Akio Hasegawa, Hiroyuki Yokoyama (ATR) SR2020-89 |
Machine learning is applied to classify the electromagnetic noise generated in the manufacturing field. The frequency an... [more] | SR2020-89 pp.99-103 |
| SR | 2021-01-25 10:25 |
Online | Online (Online) | A Study on Dynamic and Autonomous Decentralized Spectrum Sharing System Haruya Oguni, Toshiyuki Maeyama (Takushoku Univ.), Tatsuya Yoshioka (ATR), Nobuo Suzuki (Kindai Univ.), Akio Hasegawa, Hiroyuki Yokoyama (ATR) SR2020-48 |
Due to the recent development of mobile telecommunication systems, there is concern about the shortage of spectrum resou... [more] | SR2020-48 pp.9-14 |
| RCS, AP, UWT (Joint) |
2020-11-27 15:40 |
Online | Online (Online) | A Study of Indoor Propagation Analysis Using the FDTD Method Yuya Arakawa, Hiro Shimada, Toshiyuki Maeyama (Takushoku Univ.), Naotake Yamamoto, Tetsuya Hishikawa (Panasonic), Kentaro Saito, Jun-ichi Takada (Tokyo Tech) AP2020-93 |
The authors use the FDTD method (Finite Difference Time Domain method) and ray tracing method, which are electromagnetic... [more] | AP2020-93 pp.107-111 |
| SR | 2019-12-06 10:00 |
Okinawa | Ishigaki City Hall (Ishigaki Island) (Okinawa) | Current status and issues of Spectrum sharing proposals by using Blockchain Nobuo Suzuki, Tatsuya Yoshioka, Akio Hasegawa, Toshiyuki Maeyama (ATR) SR2019-100 |
It is important to utilize the existing spectrum resource for further advanced mobile communication systems like 5G. Som... [more] | SR2019-100 pp.63-68 |
| AP, RCS (Joint) |
2019-11-21 10:15 |
Saga | Saga Univ. (Saga) | Study of Frequency Usage Prediction Using Machine Leaning for Spectrum Sharing Hiroki Hosoi, Toshiyuki Maeyama (Takushoku Univ.), Tatsuya Yoshioka (ATR), Nobuo Suzuki (Kindai Univ.) RCS2019-216 |
Recently, traffic has been increasing rapidly, there is concern about the depletion of frequency resources. For this rea... [more] | RCS2019-216 pp.79-84 |
| AP | 2019-08-21 15:25 |
Hokkaido | Hokkai-Gakuen Univ. (Hokkaido) | Study of Electromagnetic Analysis Method in Large Indoor Space Hiro Shimada, Toshiyuki Maeyama (Takushoku Univ.), Naotake Yamamoto, Tetsuya Hishikawa (Panasonic) AP2019-51 |
FDTD method and Ray-tracing method are often used as analysis methods of radio wave propagation in a large area. Analysi... [more] | AP2019-51 pp.23-28 |
| AP | 2019-08-23 09:55 |
Hokkaido | Hokkai-Gakuen Univ. (Hokkaido) | Experimental Evaluation and Design of the 920MHz Band Antennas with Directivity, Polarization, and Space Diversity for Indoor IoT Devices Naotake Yamamoto (Panasonic), Kobayashi Hiroaki, Yasunori Komukai, Masayuki Obata, Takashi Izumi (PSNRD), Toshiyuki Maeyama (Takushoku Univ.) AP2019-64 |
A IoT (Internet of Things) system using the 920 MHz band in indoor environment has become widespread. The IoT devices a... [more] |
AP2019-64 pp.91-96 |
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