IEICE Society Conference 2025
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Session Details

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 10, 2025 9:00 AM - 12:15 PM JST
Wed. Sep 10, 2025 12:00 AM - 3:15 AM UTC
Building for General Education (A/B/C) 3F A34(Okayama University)
Chair:Kamiwatari Shunsuke(KDDI Research， Inc.), YUICHI KAWAMOTO(Tohoku University)
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[B-5A-19]Optimization of the Number of Thresholds for Adaptive Control CRE in Heterogeneous Network~Performance for Full Buffer Traffic Model~

〇Daichi Shinji1, Takatoshi Sugiyama1 (1. Graduate School of Engineering, Kogakuin University)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[B-5A-20]Optimization of Base Station Height in mmWave Pico-BS equipped with 3D-BF

〇Naoto Inagaki1, Takatoshi Sugiyama1 (1. Kogakuin Univ.)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[B-5A-21]Effect of Replica Signal Amplitude Error for a Cross-Link Interference Canceller in Distributed Antenna Systems

〇Shotaro Ishimoto1, Takatoshi Sugiyama1, Hiroto Yamamoto2, Daisei Uchida2, Takafumi Fujita2 (1. Kogakuin Univ., 2. NTT, Inc.)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[B-5A-22]Experimental Evaluation of Simultaneous Beam Search with Multiple Distributed Antennas Using mmWave Distributed MIMO System in Dynamic Blockage Environment

〇Shuki Wai1, Takuto Arai1, Hibiki Tsukada1, Daisei Uchida1, Takafumi Fujita1, Kiichi Tateishi2, Satoshi Suyama2, Toshiki Takeuchi3, Kazushi Muraoka3, Yasushi Maruta3 (1. NTT, 2. NTT docomo, 3. NEC)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[B-5A-23]Experiment of Frequency and Timing Pre-Compensation Technique in mmWave Distributed MIMO for High-Speed Mobility

〇Toshiki Takeuchi1, Daichi Shirase1, Kazushi Muraoka1, Koki Seitaibashi1, Yasushi Maruta1, Takuto Arai2, Shuki Wai2, Daisei Uchida2, Kiichi Tateishi3, Satoshi Suyama3 (1. NEC Corporation, 2. NTT, Inc., 3. NTT DOCOMO, INC.)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[B-5A-24]Evaluation of Digital Twin Simulation Based on Field Experiment Using mmWave Distributed MIMO

〇Kiichi Tateishi1, Yuta Hayashi1, Yuyuan Chang1, Satoshi Suyama1, Shuki Wai2, Takuto Arai2, Daisei Uchida2, Toshiki Takeuchi3, Kazushi Muraoka3, Yasushi Maruta3 (1. NTT DOCOMO, INC., 2. NTT INC., 3. NEC Corporation)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

Break time

10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[B-5A-25]Cell-Free massive MIMOのフロントホール構成に関する一検討

〇Yohei Konishi1, Amr Amrallah1, Yu Tsukamoto1, Akio Ikami1 (1. KDDI Research, Inc.)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[B-5A-26]A Study on Reducing the Number of Operating CPUs by Cell Clustering in Distributed MIMO Systems

〇Takuto Arai1, Shuki Wai1, Hibiki Tsukada1, Daisei Uchida1, Takafumi Fujita1 (1. NTT)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[B-5A-27]A Study of a Coordinated MU-MIMO Canceller by Using SRS

〇Ryohei Maeda1, Takafumi Fujii1, Teruya Fujii1,2 (1. SoftBank Corp., 2. Science Tokyo)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[B-5A-28]Radio wave propagation measurement of distributed local 5G in a underground indoor environment

〇Satoshi Yamazaki1, Masaaki Sato1, Kazuhiko Hamamoto1 (1. Tokai University)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[B-5A-29]Terminal antenna arrangement for mobile environment on terminal-driven dynamic site diversity

〇Tatsuhiko Iwakuni1, Yuki Ando1, Tomohiro Sakata1, Hitoshi Hasegawa1, Naoto Takahashi1 (1. NTT)
12:00 PM - 12:15 PM JST(3:00 AM - 3:15 AM UTC)

[B-5A-30]A Basic Study on Throughput Improvement via Millimeter-Wave Spectrum Sharing in Active Infrastructure Sharing

〇Hideshi Murai1, Hikaru Kawasaki1, Takeshi Matsumura1 (1. National Institute of Information and Communications Technology)
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