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| Chair |
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Toshihiko Nishimura (Hokkaido University) |
| Vice Chair |
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Shisuke Ibi (Doshisha Univ.), Takeshi Matsumura (NICT), Kazushi Muraoka (NEC) |
| Secretary |
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Yuyuan Chang (NTT DOCOMO), Kazuki Maruta (Tokyo Univ. of Science) |
| Assistant |
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Yuichi Kawamoto (Tohoku University), Hideya Soo (Kogakuin Univ.), Masahiro Takigawa (KDDI Research), Mitsuki Nakamura (NTT), Yuta Hori (MELCO) |
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| Conference Date |
Wed, Jun 17, 2026 09:45 - 18:30
Thu, Jun 18, 2026 09:45 - 18:25
Fri, Jun 19, 2026 09:45 - 16:20 |
| Topics |
First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. |
| Conference Place |
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Copyright
and
reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
| Registration Fee |
This workshop will be held as the IEICE workshop in fully electronic publishing. Registration fee will be necessary except the speakers and participants other than the participants to workshop(s) in non-electronic publishing. See the registration fee page. We request the registration fee or presentation fee to participants who will attend the workshop(s) on RCS. |
Wed, Jun 17 AM
09:45 - 10:35 |
| (1) |
09:45-09:55 |
Angle-Distance Separated Beam Training for IRS Control in Spherical-Wave Propagation Environments  RCS2026-25 |
Ryuhei Hibi, Hiroaki Hashida, Kawamoto Yuichi, Nei Kato (Tohoku Univ.) |
| (2) |
09:55-10:05 |
Optimization of Channel State Feedback Volume Using Spatial Correlation Between Devices in Multi-AP Coordination RCS2026-26 |
Mariko Ishikawa, Takanori Hara, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Yoshio Urabe, Hiroyuki Motozuka (Panasonic IP) |
| (3) |
10:05-10:15 |
Modeling and Evaluation of Resonance Impact in Inter-Layer Propagation for Stacked Intelligent Metasurfaces RCS2026-27 |
Yutaro Tanaka, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ), Takumi Yoneda, Tomoki Murakami (NTT, Inc.) |
| (4) |
10:15-10:25 |
Covert Communication using Stacked Intelligent Metasurfaces RCS2026-28 |
Shunto Nakajima (YNU), Kazuki Maruta (TUS), Naoki Ishikawa (YNU), Shun Kojima (CU) |
| (5) |
10:25-10:35 |
On the Relationship Between Base Station Antenna Configuration and MIMO Channel Capacity Distribution
-- Outdoor UHF-Band 12x12 MIMO Vehicular Experiments -- RCS2026-29 |
Hayato Nakashima, Hidekazu Murata (Yamaguchi Univ.) |
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10:35-10:45 |
Break ( 10 min. ) |
Wed, Jun 17 AM
10:45 - 11:35 |
| (6) |
10:45-10:55 |
Massive MIMO-OFDM Transmission Robust to Doubly Selective Channels in Underwater Acoustic Communications RCS2026-30 |
Shuji Nonaka, Kota Koyano, Ayaka Saeki (Tokyo Univ. of Science), Daisuke Hisano (KU), Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC), Kazuki Maruta (Tokyo Univ. of Science) |
| (7) |
10:55-11:05 |
Interference Suppression Performance of Null-Steering Using Coprime Array for Multihop NCR RCS2026-31 |
Taisei Miyaoka, Yuta Tsunoda, Yuki Sasaki, Jin Nakazato, Kazuki Maruta (Tokyo Univ. of science) |
| (8) |
11:05-11:15 |
Antenna Selection Aided Blind Uplink Interference Suppression for Cell-Free Massive MIMO Systems RCS2026-32 |
Kotaro Fukue, Takeshi Kazama, Kazuki Maruta (TUS) |
| (9) |
11:15-11:25 |
GA-Guided Multi-Agent Reinforcement Learning for UAV Relay Network Deployment Optimization RCS2026-33 |
Wenbo Xu, Jin Nakazato (Tokyo Univ. of Science), Hideya So (Kogakuin Univ.), Mikio Hasegawa (Tokyo Univ. of Science) |
| (10) |
11:25-11:35 |
A Study on Fully Digital Beamspace MIMO for the FR3 Band RCS2026-34 |
Arata Itamoto, Toshihiko Nishimura, Yasutaka Ogawa, Katsuya Suto (Hokkaido Univ.), Yuta Hayashi, Satoshi Suyama (NTT DOCOMO) |
Wed, Jun 17 AM
11:35 - 11:45 |
| (11) |
11:35-11:45 |
[Invited Lecture]
Research on Millimeter-Wave Coverage Enhancement Using Metasurfaces RCS2026-35 |
Takumi Yoneda, Tomoki Murakami, Riichi Kudo (NTT) |
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11:45-12:35 |
Lunch Break ( 50 min. ) |
Wed, Jun 17 PM
12:35 - 13:45 |
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- |
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| |
13:45-14:00 |
Break ( 15 min. ) |
Wed, Jun 17 PM
14:00 - 14:50 |
| (12) |
14:00-14:10 |
Modality-Aware Unequal Error Protection for Multimodal Generative Semantic Communication RCS2026-36 |
Satoshi Kinoshita, Yue Yin, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.) |
| (13) |
14:10-14:20 |
Contextual Soft-Decision Token Detection via LMM-Based Generative Semantic Prior RCS2026-37 |
Rei Ishizuka, Anders Ellersgaard, Tomoaki Ohtsuki (Keio Univ.) |
| (14) |
14:20-14:30 |
Handover-Aware MEC Offloading in Space-Air-Ground Integrated Networks RCS2026-38 |
Riku Nagase (Keio Univ.), Ahmed A. Al-Habob, Octavia Dobre (Memorial Univ.), Tomoaki Ohtsuki (Keio Univ.) |
| (15) |
14:30-14:40 |
Experimental Evaluation of Coverage in Intersection Environment for 5G NR-based V2I Communication in 5 GHz Band RCS2026-39 |
Taiki Matsumoto, Masaki Shimomura, Norichika Ohmi, Yusuke Koda, Hiroshi Harada (Kyoto Univ.) |
| (16) |
14:40-14:50 |
Network construction method for autonomous vehicle-to-vehicle communication platform using 5G Sidelink signal RCS2026-40 |
Keitaro Sato, Hiroshi Harada (Kyoto Univ) |
| |
14:50-15:00 |
Break ( 10 min. ) |
Wed, Jun 17 PM
15:00 - 15:40 |
| (17) |
15:00-15:10 |
On Efficient Shaping Bit Design for Polar Coded-OFDM Signals With PAPR Reduction RCS2026-41 |
Syunsuke Numa, Takumi Takahashi, Hideki Ochiai (U Osaka) |
| (18) |
15:10-15:20 |
A Study on Adaptive Polar Code Design and Symbol Distribution Approximation for Low-Complexity MIMO-OFDM Receivers RCS2026-42 |
Tomoki Yokotani, Takumi Takahashi, Hideki Ochiai (Osaka Univ) |
| (19) |
15:20-15:30 |
A Study on Polar-Domain Transform Matrix Design for Low-Complexity Channel Estimation in Near-Field XL-MIMO RCS2026-43 |
Taichi Okabe, Takumi Takahashi, Hideki Ochiai (The Univ of Osaka) |
| (20) |
15:30-15:40 |
A Study on Delay-Domain Denoising in Message Space for Joint Channel and CFO Estimation in MU-MIMO-OFDM System Uplink RCS2026-44 |
Takuto Ikebayashi, Shoma Hara, Takumi Takahashi (Osaka Univ.), Kenta Ito (KDDI), Koji Ishibashi (UEC), Hedeki Ochiai (Osaka Univ.) |
Wed, Jun 17 PM
15:40 - 15:50 |
| (21) |
15:40-15:50 |
[Invited Lecture]
Overview of Communication Technology R&D Topics at Mitsubishi Electric RCS2026-45 |
Yuta Hori, Shigenori Tani (MELCO) |
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15:50-16:05 |
Break ( 15 min. ) |
Wed, Jun 17 PM
16:05 - 17:15 |
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| |
17:15-17:30 |
Break ( 15 min. ) |
Wed, Jun 17 PM
17:30 - 18:30 |
| (22) |
17:30-17:50 |
Near-Field Sub-THz MIMO Spatial Multiplexing Considering Subarray Spacing
-- Performance Evaluation with Channel Estimation -- RCS2026-46 |
Taisei Kimoto, Toshihiko Nishimura, Yasutaka Ogawa, Katsuya Suto (Hokkaido Univ.), Satoshi Suyama (NTT DOCOMO) |
| (23) |
17:50-18:10 |
Performance Evaluation of Sub-THz-Band MIMO Channel Prediction Using OMP and Least Squares RCS2026-47 |
Emana Ushida, Toshihiko Nishimura, Yasutaka Ogawa, Katsuya Suto (Hokkaido Univ.), Satoshi Suyama (NTT DOCOMO) |
| (24) |
18:10-18:30 |
Evaluation of AI/ML-Based TRP Selection Method to Maximize System Throughput Using a 6G System-Level Simulator RCS2026-48 |
Yuta Hayashi, Hiromasa Terashi, Dan Morhi, Satoshi Suyama, Yuyuan Chang, Huiling Jiang (NTT DOCOMO) |
Thu, Jun 18 AM
09:45 - 10:25 |
| (25) |
09:45-09:55 |
Investigation of Joint Optimization of Reverse Use of TDD Frame and User Association in Co-existing Networks with HAPS and Terrestrial BSs RCS2026-49 |
Yuto Hotta (Tokyo Univ. of Science), Satoshi Nagata, Satoshi Suyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) |
| (26) |
09:55-10:05 |
Successive Path Estimation-Based Low-Complexity OTFS Channel Estimation in Fractional Doppler Channels RCS2026-50 |
Hisashi Kano (Tokyo Univ. of Science), Takanori Hara (Tohoku Univ.), Kenichi Higuchi (Tokyo Univ. of Science) |
| (27) |
10:05-10:15 |
Investigation of NOMA Using Network Coding for FEC Coded Bits for Two-Way Relay Networks RCS2026-51 |
Kaito Toda (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) |
| (28) |
10:15-10:25 |
Investigation of PAPR Reduction Using Null Space in MIMO Channel for Beamforming-Aided Multi-Antenna AF Relay Transmission RCS2026-52 |
Shunta Okuno (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) |
Thu, Jun 18 AM
10:25 - 10:35 |
| (29) |
10:25-10:35 |
[Invited Lecture]
Simulator to Design Wireless Communication Network in Ground-to-Train and inside Train Environments in High-Speed Trains RCS2026-53 |
Koshiro Kitao, Satoshi Suyama, Nobuaki Kuno, Yuyuan Chang, Atsushi Kaji (NTT DOCOMO), Tomoyuki Tange (Central Japan Railway Company), Chikara Hirai (Railway Technical Research Institute), Koji Yotsumoto (KOKUSAI DENKI Electric Inc.), Masaki Hamamoto (JMCIA) |
| |
10:35-10:45 |
Break ( 10 min. ) |
Thu, Jun 18 AM
10:45 - 11:35 |
| (30) |
10:45-10:55 |
A Study on Neural Network-Based Spectrum Shaping Filter Design for FTN Transmissions RCS2026-54 |
Shotaro Yajima, Shinsuke Ibi, Hisato Iwai (Doshisha Univ.) |
| (31) |
10:55-11:05 |
A Study on Optimal Satellite Selection in Multi-GNSS Systems Using Machine Learning RCS2026-55 |
Shota Kamada, Shinsuke Ibi, Hisato Iwai (Doshisha Univ.) |
| (32) |
11:05-11:15 |
A Study on Wireless Autoencoder for Independent Component Analysis-Aided Signal Detection RCS2026-56 |
Eita Kino, Shinsuke Ibi, Hisato Iwai (Doshisya Univ.) |
| (33) |
11:15-11:25 |
A Study on Wireless Autoencoder for Data-Driven Tuning of Frozen Bit and Signal Constellation in Polar-Coded Modulation RCS2026-57 |
Ikki Kawabata, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Univ. Osaka), Kazushi Muraoka, Takanobu Doi, Daichi Shirase (NEC), Hisato Iwai (Doshisha Univ.) |
| (34) |
11:25-11:35 |
A Study on GNSS Positioning Correction Methods Using EPL Correlator Outputs and Doppler Frequency Information RCS2026-58 |
Rikuto Matsuoka, Shinsuke Ibi, Hisato Iwai (Doshisha Univ.) |
Thu, Jun 18 AM
11:35 - 11:45 |
| (35) |
11:35-11:45 |
[Invited Lecture]
Application of Public Communication Network in Train Control Systems RCS2026-59 |
Takayasu Kitano (RTRI) |
| |
11:45-11:55 |
Break ( 10 min. ) |
Thu, Jun 18 AM
11:55 - 12:45 |
| (36) |
11:55-12:45 |
[Invited Talk]
Coordinated Design of Wireless Communication Technologies for Beyond 5G/6G
-- The Fascination of Scheme Selection through Research Case Studies -- RCS2026-60 |
Fumiaki Maehara (Waseda Univ.) |
| |
12:45-13:35 |
Lunch Break ( 50 min. ) |
Thu, Jun 18 PM
13:35 - 14:45 |
| |
- |
|
| |
14:45-15:00 |
Break ( 15 min. ) |
Thu, Jun 18 PM
15:00 - 15:50 |
| (37) |
15:00-15:10 |
Autonomous Decentralized TRP Group Selection Method in Downlink Distributed MIMO to Maximize Integrated System Throughput for Multi-Service Coexistence RCS2026-61 |
Ryotaro Ozutsumi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) |
| (38) |
15:10-15:20 |
Modified PAPR Reduction Method Using Null Broadening Based on Null Space in MIMO Channel for Massive MIMO Downlink RCS2026-62 |
Wataru Aoki (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) |
| (39) |
15:20-15:30 |
Combination of Scalable User Scheduling Considering Channel Correlation and RZF-Based Beamforming in Cell-Free MIMO Networks RCS2026-63 |
Hiroto Kikuchi (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic Holdings), Kenichi Higuchi (Tokyo Univ. of Science) |
| (40) |
15:30-15:40 |
Neighboring-Beam SNR Interpolation-Based Beam Selection for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink RCS2026-64 |
Takahiro Horikoshi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) |
| (41) |
15:40-15:50 |
Performance Comparison of MIMO-THP and MIMO-NOMA in Analog-Digital Hybrid Architectures RCS2026-65 |
Yuya Ishii, Kiyoaki Inada, Zhuoran Li, Osamu Muta (Kyushu Univ.), Koji Ikuta, Chun-hsiang Huang (KYOCERA) |
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15:50-16:00 |
Break ( 10 min. ) |
Thu, Jun 18 PM
16:00 - 16:50 |
| (42) |
16:00-16:10 |
Demonstration of Convolutional Code-Concatenated Chaos Modulation Scheme Using Simple Software Defined Radio for IoT Applications RCS2026-66 |
Takumi Sugiura, Eiji Okamoto (Nitech), Naoto Horiike, Tetsuya Yamamoto (Panasonic) |
| (43) |
16:10-16:20 |
Study on High-Precision V2X Millimeter-Wave Beam Tracking Method Based on Map Matching Using Heading Information RCS2026-67 |
Kota Shinji, Eiji Okamoto (Nitech) |
| (44) |
16:20-16:30 |
Study on Two-Sided AI/ML-Based Chaos Modulation for Achieving Both Communication Quality and Physical-Layer Secrecy RCS2026-68 |
Shoki Mitsumoto, Eiji Okamoto (Nitech), Naoto Horiike, Tetsuya Yamamoto (Panasonic) |
| (45) |
16:30-16:40 |
Fluid Intelligent Reflecting Surface-Assisted Physical Layer Key Generation RCS2026-69 |
Maho Kumata (Yokohama National Univ.), Trinh Viet Phuc (Tokyo Univ.), Naioki Ishikawa (Yokohama National Univ.), Shun Kojima (Chiba Univ.) |
| (46) |
16:40-16:50 |
Noncoherent Communication System Based on Quantum Operators RCS2026-70 |
Nanami Yamamoto, Joe Asano, Naoki Ishikawa (Yokohama National Univ.) |
Thu, Jun 18 PM
16:50 - 17:00 |
| (47) |
16:50-17:00 |
[Invited Lecture]
Research and development of advanced wireless technologies for 6G RCS2026-71 |
Masahiro Takigawa, issei Kanno, Masaya Shibayama, Hiromi Matsuno, Yoshiaki Amano (KDDI Research) |
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17:00-17:15 |
Break ( 15 min. ) |
Thu, Jun 18 PM
17:15 - 18:25 |
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- |
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Fri, Jun 19 AM
09:45 - 11:05 |
| (48) |
09:45-09:55 |
LAPUTA: Sensor Network Localization Using Robust and Accurate Restoration of Euclidean Distance Matrices RCS2026-72 |
Reina Kaneko, Kenta Yanagiya, Junya Hara, Hiroshi Higashi, Yuichi Tanaka (UO) |
| (49) |
09:55-10:05 |
Study on Adaptive Power Allocation per Subcarrier for Overlaid Pilots in OFDM Systems RCS2026-73 |
Koichi Wakata, Yukitoshi Sanada (Keio Univ.) |
| (50) |
10:05-10:15 |
Fairness-Aware 3D UAV Placement in Downlink Hybrid Multiple Access Networks RCS2026-74 |
Koji Yamamoto, Yukitoshi Sanada (Keio Univ.) |
| (51) |
10:15-10:25 |
Study on Grouping Scheme Allowing Overlapping Membership in Terminal Cooperative MIMO RCS2026-75 |
Naohiro Watanabe, Yukitoshi Sanada (Keio Univ.) |
| (52) |
10:25-10:35 |
3D Bessel Beam Generation Using Reconfigurable Intellient Surfaces with Closed-Form Design RCS2026-76 |
Daiki Inoue, Koji Ishibashi (UEC) |
| (53) |
10:35-10:45 |
Inter-Operator Spectrum Sharing for Dead Zone Elimination via Beamforming and Transmission Power Reduction in Local 5G RCS2026-77 |
Masaki Hattori, Takeo Fujii (UEC) |
| (54) |
10:45-10:55 |
Connection RCS2026-78 |
Ryoichi Nori, Jin Nakazato, Yuki Sasaki, Kazuki Maruta (TUS), Haruki Osaki, Tetsuya Iye (KKE), Mikio Hasegawa, Ibuki Ikeda (TUS) |
| (55) |
10:55-11:05 |
Improvement of LoRa modulation and its evaluation RCS2026-79 |
Popuri Sakai (ATR/Doshisha Univ.), Satoru Shimizu (ATR) |
Fri, Jun 19 AM
11:05 - 11:15 |
| (56) |
11:05-11:15 |
[Invited Lecture]
Introduction of EMC/Wireless Research at Advanced Telecommunications Research Institute International RCS2026-80 |
Satoru Shimizu (ATR) |
| |
11:15-11:30 |
Break ( 15 min. ) |
Fri, Jun 19 AM
11:30 - 12:40 |
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- |
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| |
12:40-13:30 |
Lunch Break ( 50 min. ) |
Fri, Jun 19 PM
13:30 - 14:50 |
| (57) |
13:30-13:50 |
Partially DFT-Spread OFDM with Power Allocation for Terahertz Channels with Temporal Broadening RCS2026-81 |
Wakana Takemura (UEC), Kabuto Arai (SU), Koji Ishibashi (UEC) |
| (58) |
13:50-14:10 |
The impact of noise from the CPU board on mobile communication and identification of the noise source RCS2026-82 |
Satoru Shimizu, Atsuya Kase, Susumu Ano (ATR) |
| (59) |
14:10-14:30 |
A Study on Data-Driven Tuning of KalmanNet for GNSS Positioning in Multipath Environments RCS2026-83 |
Hayato Ishii, Shinsuke Ibi, Hisato Iwai (Doshisha Univ.) |
| (60) |
14:30-14:50 |
A Study on Data-Driven Tuning of Extended Weighted Least Squares for UWB Indoor Positioning RCS2026-84 |
Ryoichi Kawaguchi, Shinsuke Ibi, Hisato Iwai (Doshisha Univ) |
| |
14:50-15:00 |
Break ( 10 min. ) |
Fri, Jun 19 PM
15:00 - 16:00 |
| (61) |
15:00-15:20 |
Entropy-Based Symbol Scheduling Considering CSI Aging in MIMO DeepJSCC RCS2026-85 |
Goki Sawada, Shion Inokuma (Tokyo Univ. of Science), Daisuke Hisano (KU), Kazuki Maruta (Tokyo Univ. of Science) |
| (62) |
15:20-15:40 |
Null-Space Expansion for OTFS-Modulated Multiuser Massive MIMO RCS2026-86 |
Yuki Sasaki (Tokyo Univ. of Science), Omid Abbassi Aghda (Nova-FCT), Salah Berra (NII), Rui Dinis (Nova-FCT), Kazuki Maruta (Tokyo Univ. of Science) |
| (63) |
15:40-16:00 |
Autonomous Decentralized TRP Group Selection for Maximizing System Throughput in Uplink Distributed MIMO RCS2026-87 |
Kenta Shimizu (Tokyo Univ. of Science), Takanori Hara (Tohoku Univ.), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) |
| |
16:00-16:05 |
Break ( 5 min. ) |
Fri, Jun 19 PM
16:05 - 16:20 |
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| Announcement for Speakers |
| General Talk | Each speech will have 15 minutes for presentation and 5 minutes for discussion. |
| Invited Talk | Each speech will have 45 minutes for presentation and 5 minutes for discussion. |
| Invited Lecture (企業プレゼン) | Each speech will have 10 minutes for presentation and 0 minutes for discussion. |
| General Talk (初めての研究会) | Each speech will have 10 minutes for presentation and 0 minutes for discussion. |
| Poster Presentation | Each speech will have 70 minutes for presentation. |
| Contact Address and Latest Schedule Information |
| RCS |
Technical Committee on Radio Communication Systems (RCS) [Latest Schedule]
|
| Contact Address |
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