IEICE Society Conference 2026
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一般セッションB. Communications Society : B-5A．Radio Communication systemA (mobile communication)

[B-5A]Radio Communication systemA (mobile communication)

Wed. Sep 23, 2026 1:30 PM - 4:15 PM JST
Wed. Sep 23, 2026 4:30 AM - 7:15 AM UTC
Faculty of Information Science and Technology Bldg A-24(Hokkaido University)
Chair:Suyama Satoshi, YOSHIHIRO MATSUMURA
1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[B-5A-12]Study on Area Coverage in High-Speed Train Car

〇Ryohei Watanabe1, Tomoyuki Tange1, Koshiro Kitao2, Satoshi Suyama2 (1. Central Japan Railway Company, 2. NTT DOCOMO, INC.)
1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[B-5A-13]Verification of Radio Network Resources Sharing by Shared Base Station on High-Speed Trains

〇Seiji Izumiya1, Shinji Mizuta1, Junichi Okada1, Masaki Hamamoto1, Ryohei Watanabe2, Tomoyuki Tange2, Satoshi Suyama3 (1. Japan Mobile Communications Infrastructure Association, 2. Central Japan Railway Company, 3. NTT DOCOMO, INC.)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[B-5A-14]Simulator to Design Mobile Communication Areas in High-Speed Trains

〇Koshiro Kitao1, Satoshi Suyama1, Nobuaki Kuno1, Yuyuan Chang1, Tomoyuki Tange2, Chikara Hirai3, Koji Yotsumoto4, Masaki Hamamoto5 (1. NTT DOCOMO, INC., 2. Central Japan Railway Company, 3. Railway Technical Research Institute, 4. KOKUSAI DENKI Electric Inc., 5. Japan Mobile Communications Infrastructure Association)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[B-5A-15]Area Expansion Method and Application Technologies Using Dielectric Waveguides in High-Speed Train Cars

〇Atsushi Kaji1, Tsukasa Ohira1, Atsushi Fukuda1, Junya Matsudaira1, Yasuhiro Kido1, Satoshi Suyama1, Tomoyuki Tange2, Masaki Hamamoto3 (1. NTT DOCOMO, Ltd., 2. Central Japan Railway Company, 3. Japan Mobile Communications Infrastructure Association)
2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[B-5A-16]Simulator of Propagation and Transmission to Design Ground-to-Train Wireless Communication Network

〇Nobuaki Kuno1, Koshiro Kitao1, Yuyuan Chang1, Satoshi Suyama1, Chikara Hirai2, Koji Yotsumoto3, Tomoyuki Tange4 (1. NTT DOCOMO, INC., 2. Railway Technical Research Institute, 3. KOKUSAI DENKI Electric Inc., 4. Central Japan Railway Company)
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

Break time

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[B-5A-17]Link-Level Transmission Performance Evaluation for Ground-to-Train Wireless Communications in Straight Tunnel Sections of High-Speed Trains

〇Yuyuan Chang1, Satoshi Suyama1, Nobuaki Kuno1, Koshiro Kitao1, Huiling Jiang1 (1. NTT DOCOMO, INC.)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[B-5A-18]FR3 System-Level Simulation Evaluation in High-Speed Trains Onboard Environments

〇Mikito Ito1, Satoshi Suayama1, Yuyuan Chang1, Koshiro Kitao1, Huiling Jiang1, Tomoyuki Tange2, Chikara Hirai3, Koji Yotsumoto4, Masaki Hamamoto5 (1. NTT DOCOMO, INC., 2. Central Japan Railway Company, 3. Railway Technical Research Institute, 4. KOKUSAI DENKI Electric Inc., 5. Japan Mobile Communications Infrastructure Association)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)Candidate for Academic Incentive Award

[B-5A-19]Development of OpenAirInterface-Based Network Simulator with Seamless Transition to Real-Device Experiment

◎Eisaku Sato1, Kaede Toya1, Tetsuya Iye1, Takahito Inoshita1 (1. Kozo Keikaku Engineering Inc.)
3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[B-5A-20]Efficient Search for Base Station Placement to Maximize Communication Cover Area

〇Takuro Mamiya1, Takayuki Nakanishi1, Tai Tanaka1, Satoshi Yamaguchi1 (1. Mitsubishi Electric Corporation)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[B-5A-21]A Study on Positioning Using Received Power at Multiple Frequencies

〇Yuka Kimura1, Takashi Izumi1, Takafumi Fujita1 (1. NTT)
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