IEICE Technical Report

Online edition: ISSN 2432-6380

Volume 125, Number 134

Smart Radio

Workshop Date : 2025-07-30 - 2025-08-01 / Issue Date : 2025-07-23

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Table of contents

SR2025-16
Comparison between Coherent OFDM and Differential OFDM for Double Selectivity of Underwater Acoustic Communications
Haruto Matsuki (Ritsumeikan Univ), Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC), Kenshi Saho, Hiroshi Kubo (Ritsumeikan Univ)
pp. 1 - 6

SR2025-17
Radio Propagation Prediction Based on Physics-Informed Graph Representation Learning
Shimon Takagi, Koya Sato (UEC), Katsuya Suto (Hokkaido Univ.)
pp. 7 - 13

SR2025-18
[Short Paper] Performance analysis of dynamic resource allocation algorithm based on interference prediction in local 5G -- Suppression evaluation by interference power threshold control --
Takeru Nanjo, Osamu Takyu (Shinshu Univ), Kohei Akimot (Akita Prefectural Univ)
pp. 14 - 16

SR2025-19
[Short Paper] Wi-Fi CSI-Based Multi-Label Human Activity Recognition Using SE-Enhanced Deep Convolutional Neural Network
Fucheng Miao, Osamu Takyu, Lin Shan (Shinshu Univ.), Tomoaki Ohtsuki (Keio Univ.), Guan Gui (NJUPT)
pp. 17 - 18

SR2025-20
[Short Paper] Estimation of the number of victims based on the measurement of the number of UEs by probe requests using UAVs
Yukihiro Hayashi, Gia Khanh Tran (Science Tokyo)
pp. 19 - 21

SR2025-21
Analysis of M-ary Modulated Signal Reception Characteristics in 1-bit ADC Array Antenna under LOS/NLOS Environments Using Mutual Information
Teppei Oyama (Nit, Oita), Kenta Umebayashi (TUAT)
pp. 22 - 26

SR2025-22
Wireless Environment Estimation Considering Adaptive Antenna Control for Spectrum Sharing in Smart Factories
Kohei Yuzawa (UEC), Zhengdong Lin, Yu Kagaya, Yoshiaki Narusue (UTokyo), Takeo Fujii (UEC)
pp. 27 - 33

SR2025-23
Effect of Input LSB/USB Signal Imbalance on a 1-bit BPDSM Transmitter using Manchester Coding and Tripler
Yuki Fujiya, Tori Inoue, Ryosei Miyagawa, Ryunosuke Saito, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.)
pp. 34 - 40

SR2025-24
Directivity control and resource allocation based on interference conditions in the multi-operator local 5G environment
Masaki Hattori, Takeo Fujii (UEC)
pp. 41 - 48

SR2025-25
[Invited Talk] Optimization technologies integrating multiple wireless accesses
Tomoaki Ogawa (NTT)
p. 49

SR2025-26
Evaluation of Interference reduction effectiveness during the superposition of multiple signals using Variable Bandwidth LoRa
Jin Wakita, Takeo Fujii (UEC)
pp. 50 - 57

SR2025-27
USRP Implementation of Synchronized SS-CDMA Communication Function Using Wi-Wi: Measurement and Evaluation Considering Receive Timing Deviation between Adjacent Channels
Toshiki Ouchi, Serena Akasaka, Masataka Miyake, Suguru Kameda (Hiroshima Univ.)
pp. 58 - 62

SR2025-28
A Lightweight Interference Estimation Method Using 3D Map Data for Sub-6GHz Private 5G
Takuma Matsumoto, Take Fujii (UEC)
pp. 63 - 70

SR2025-29
[Invited Lecture] Early Commercialization and System Evolution for HAPS Direct-to-Mobile-Phone Service -- Interference-Suppressed TDD HAPS: Achieving High Capacity with Polarized MIMO and High Mobility with Satellite Backhaul --
Yuki Hokazono, Kenji Fukasawa (NTT DOCOMO), Yuto Muroki, Yoshihisa Kishiyama (Space Compass)
p. 71

SR2025-30
[Invited Lecture] Current and Future Prospects of Middleware in Non-Terrestrial Networks
Takashi Watanabe (Univ. of Osaka), Makoto Kobayashi (Hiroshima City Univ.), Zhou Enping (Univ. of Osaka)
pp. 72 - 75

SR2025-31
[Invited Lecture] Monitoring of MAC Scheduler in 5G O-RAN Architecture Using FAPI/nFAPI Proxy
Yuki Yonezawa, Miyuki Soeya, Koji Akita, Daisuke Uchida (TOSHIBA)
pp. 76 - 81

SR2025-32
[Invited Lecture] Efforts toward Underwater Large-Scale MIMO-OFDM Transmission
Kazuki Maruta, Shuji Nonaka (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC)
p. 82

SR2025-33
[Invited Talk] Field Trial of the Cooperative Infrastructure Platform for Safe Remote Monitoring of Automated Driving -- Continuous Wireless Video Transmission via Cooperative Quality Prediction, Network and Video Controls --
Taichi Kawano, Masaki Okada, Kotaro Ono, Takuma Tsubaki, Nobuhiro Azuma, Takuya Tojo (NTT)
p. 83

SR2025-34
[Invited Talk] Experimental Evaluations of Device-Free Localization Using Channel State Information in WLAN Systems
Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki, Hanae Otani (NTT)
p. 84

SR2025-35
[Invited Lecture] WiFi Sensing-Based Delay-Synchronous Channel Sounding
Koji Yamamoto (KIT), Katsuyuki Haneda (Aalto Univ.)
p. 85

SR2025-36
[Invited Lecture] Challenges of Wi-Fi CSI-Based Human Localization in ISAC
Naoki Honma, Kentaro Kikuta (Iwate Univ.), Takeshi Nakayama, Shoichi Iizuka (Panasonic), Kentaro Murata (Iwate Univ.)
pp. 86 - 91

SR2025-37
[Invited Lecture] Supervised Learning-based Camera Image Estimation from Wi-Fi CSI
Takayuki Nishio (ScienceTokyo)
p. 92

SR2025-38
[Invited Lecture] Integrated Sensing and Communications (ISAC) Technology Trends and Japan's Efforts
Hideya So (Kogakuin Univ.), Nobuaki Kuno (DOCOMO), Shuhei Saito (Panasonic), Tomoki Murakami (NTT), Satoshi Suyama (DOCOMO)
pp. 93 - 98

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