IEICE Technical Report

Online edition: ISSN 2432-6380

Radio Communication Systems

Workshop Date : 2025-12-18 - 2025-12-19 / Issue Date : 2025-12-11

RCS2025-184
MAC transport pseudo type router
Hideo Tatsuno (HTLAB)
pp. 1 - 6

RCS2025-185
Equalization for Diagonal Elements of Triangular Matrices and Application to Overloaded MIMO Systems
Katsuya Aoki, Satoshi Denno, Yafei Hou, (Okayama Univ.)
pp. 7 - 12

RCS2025-186
Decentralized User Association for File Drop Rate Minimization in Co-existing Networks with HAPS and Terrestrial BSs
Shoki Ikeda, Takanori Hara (Tokyo Univ. of Science), Yuki Hokazono, Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 13 - 18

RCS2025-187
Improving Indoor Localization Accuracy with Multiple Reconfigurable Intelligent Surfaces in Millimeter-Wave Systems
Kaito Takama, Katsuma Kishi, Yafei Hou, Satoshi Denno (Okayama Univ.)
pp. 19 - 24

RCS2025-188
Towards Real-Time Wireless Spectrum Monitoring Based on Adaptive Frequency Threshold
Yukito Azai, Takuya Nakata (Kobe Univ.), Suguru Kameda (Hiroshima Univ.), Masahide Nakamura (Kobe Univ.)
pp. 25 - 30

RCS2025-189
Improvement of Power Saving Effect and Latency Reduction in C-DRX Control with Base Station Sleep Control
Yuma Shishido, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science)
pp. 31 - 36

RCS2025-190
Investigation of Scalable Channel-Aware User Scheduling for Distributed MIMO Networks with User-Centric TRP Clustering
Hiroto Kikuchi (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic Holdings), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 37 - 43

RCS2025-191
Area Evaluation of throughput performance of 5G/6G based on map-based hybrid channel model
Koshiro Kitao, Satoshi Suyama, Takahiro Tomie, Nobuaki Kuno (NTT DOCOMO)
pp. 44 - 48

RCS2025-192
[Invited Lecture] R&D Trends of 6G Radio Technologies in Japan -- Introduction of Activities of 6G Radio Technology Project in XGMF --
Satoshi Suyama (NTT DOCOMO)
p. 49

RCS2025-193
[Invited Lecture] Study on Coverage Expansion Using an Orchestrator with Multiple mmWave NCRs
Jin Nakazato (TUS), Go Itami (Visban), Arokia Nathan (Cambridge)
p. 50

RCS2025-194
[Invited Lecture] Research on Efficient Spectrum Utilization for Beyond 5G/6G -- Multi-Carrier transmission, UAV, and OAM Multiplexing --
Fumiaki Maehara (Waseda Univ.)
pp. 51 - 55

RCS2025-195
[Invited Lecture] Consideration on Performance Improvement of MMSE Precoding With A Receive Filter
Satoshi Denno, Katsuya Aoki, Yafei Hou (Okayama University)
pp. 56 - 59

RCS2025-196
Cooperative relay transmission scheme utilizing surplus energy with traffic-adaptive sectoring for WPSNs
Shoma Taniguchi, Kosuke Sanada, Hiroyuki Hatano, Kazuo Mori (Mie Univ.)
pp. 60 - 65

RCS2025-197
Neural Network-Based Nonlinear Distortion Compensation for Received Signals in Satellite Communications
Osamu Hasegawa, Masaaki Tanio, Masayuki Ariyoshi (NEC)
pp. 66 - 71

RCS2025-198
Delay time estimation using machine learning with throughput information
Mitsuki Nakamura, Motoharu Sasaki, Keisuke Wakao, Genki Tajima, Kenichi Kawamura (NTT)
pp. 72 - 77

RCS2025-199
Joint Channel Estimation and Power Allocation Based on DNN in High-Speed Railway OFDM Systems
Aphitchaya Siriwanitpong, Kosuke Sanada, Hiroyuki Hatano, Kazuo Mori (Mie univ.), Pisit Boonsrimuang (KMITL)
pp. 78 - 83

RCS2025-200
[Invited Talk] Proposal of Next Generation LPWA Wireless Communication
Akihiro Nakao (UTokyo)
p. 84

RCS2025-201
[Invited Talk] Assessing and Fortifying Communication Networks against Earthquake Risks Using Conduit Damage Prediction Techniques
Takeru Inoue (Univ. of Yamanashi), Kengo Nakamura, Masaaki Nishino, Nana Matsuda, Akira Ito (NTT)
pp. 85 - 90

RCS2025-202
[Invited Talk] Semantic Communication System Toward Underwater Drone Teleoperation and Environmental Sensing Applications
Daisuke Hisano (UOsaka), Tadashi Kozuno, Kuniaki Saito, Yoshitaka Ushiku (OSX), Takuya Fujihashi (UOsaka), Shinsuke Yasukawa (KyuTech), Atsuo Maki (UOsaka)
p. 91

RCS2025-203
[Invited Lecture] Inter-F-CPS Collaboration and Communication Performance Evaluation Using P4 Hardware Switches in a Trans-Pacific Network
Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga (Kyutech), Yohei Okamoto, Akira Nagata (iD), Hang Hu, Myung Lee (CCNY)
pp. 92 - 96

RCS2025-204
[Invited Lecture] Research Activities on Underwater Acoustic Communications in NTT
Takumi Ishihara, Hiroyuki Fukumoto, Yosuke Fujino (NTT)
pp. 97 - 100

RCS2025-205
[Invited Lecture] Docomo's Initiatives towards Service-oriented Communication Networks via Open Gateway
Shinji Kanehori (NTT DOCOMO)
pp. 101 - 106

RCS2025-206
[Invited Lecture] A Study on Topology Optimization for Multi-hop Networks -- Wireless Ad Hoc Networks for Information Distribution and Collection --
Satoshi Makido (Toyota CRDL.)
pp. 107 - 112

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Electronics, Information and Communication Engineers (IEICE), Japan