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University Exhibition
University Exhibition 25-35

University Exhibition

01-10
11-20
21-30
31-42

Booth No. U-31

University Exhibition 31

The Univ. of Tokyo, Ohkoshi Lab.

Contact of Lab.

7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JAPAN
TEL : +81(3)5841-4333　 E-mail : asuka@chem.s.u-tokyo.ac.jp
[ Graduate School of Science, Dept. of Chemistry, Ohkoshi Lab. ]

Title: * ε-Fe₂O₃-Based Magnetic-Loss Absorbers for the Upper Millimeter-Wave Band
* λ-Ti₃O₅-Based Dielectric-Loss Absorbers for the Upper Millimeter-Wave and Terahertz Bands

Highlight: We showcase ε-Fe₂O₃, an electrically insulating magnetic-loss material with a widely tunable absorption frequency, and λ-Ti₃O₅, a dielectric-loss material effective in high-frequency bands above 100GHz. By leveraging the distinct characteristics of both materials, we propose next-generation solutions for EMI suppression and electromagnetic-noise control.

Booth No. U-32

University Exhibition 32

Tohoku Univ., RF Magnetics Lab.

Contact of Lab.

6-6-5 Aoba, Aza Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, JAPAN
TEL : +81(22)795-7173　 E-mail : sho.muroga.e1@tohoku.ac.jp
[ Graduate school of Eng., Dept. of Electrical Eng., RF Magnetics Lab. ]

Title: * Development and Demonstration of Ultra-Lightweight, Ultra-Wideband, and Sustainable Electromagnetic Wave Absorbers via Data-Driven Design

Highlight: We report on the development of next-generation electromagnetic wave absorbers that achieve both an ultra-low density of approximately 10mg/cc and ultra-wideband attenuation characteristics in the GHz range by leveraging data-driven design methodologies. While ensuring sustainability compatible with a circular economy, this material enables the coexistence technology of next-generation communication and air mobility.

Booth No. U-33

University Exhibition 33

Aoyama Gakuin Univ., Suga Lab.

Contact of Lab.

5-10-1 Fuchinobe, Chuo-ku, Sagamihara-shi, Kanagawa 252-5258, JAPAN
TEL : +81(42)759-6298　 E-mail : rsuga@ee.aoyama.ac.jp
[ College of Science and Eng., Dept. of Electrical Eng. and Electronics, Suga Lab. ]

Title: * Radio Wave Absorber
* Non-Destructive Detection using Doppler Sensors

Highlight: * Various radio wave absorbers for microwave and millimeter-wave frequencies.
* Non-destructive detection technology for corrosion in reinforced concrete walls.

Booth No. U-34

University Exhibition 34

Kanagawa Univ. Microwave and Light-Wave Electronics Lab.

Contact of Lab.

3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Kanagawa 221-8686, JAPAN
TEL : +81(45)481-5661　 E-mail : chen@kanagawa-u.ac.jp
[ Faculty of Eng., Dept. of Electrical, Electronics and Information Eng., Microwave and Light-Wave Electronics Lab. ]

Title: * Design of Compact Passive Circuits for Next-Generation Wireless Communications
* Non-Destructive Measurement Method for Electromagnetic Wave Absorbers

Highlight: Our laboratory focuses on researching light-wave and electromagnetic (EM) circuits, along with related technologies for next-generation (Beyond 5G/6G) wireless communications. Our work ranges from the design and fabrication of hardware circuits to the development of EM simulators.
(1) Development of microwave, millimeter-wave, and terahertz (THz) functional devices for 6G using M-PhC structures.
(2) Measurement of electromagnetic parameters of microwave materials.
(3) Synthesis of ultra-wideband (UWB) filters.

Booth No. U-35

University Exhibition 35

Utsunomiya Univ., Shimizu Lab.

Contact of Lab.

7-1-2 Yoto, Utsunomiya, Tochigi 321-8585, JAPAN
TEL : +81(28)689-6132　 E-mail : tshimizu@cc.utsunomiya-u.ac.jp
[ School of Eng., Dept. of Fundamental Eng., Information, Electronics and Optics Course, Shimizu Lab. ]

Title: * Development of Evaluation Techniques for Dielectric and Conductor Materials & Low Loss Circuits in MW & mmW Bands

Highlight: Recent studies on microwave and millimeter-wave measurement techniques for dielectric and conductor materials for various operating environments are introduced. Furthermore, some low-loss millimeter wave transmission lines are also presented.

Booth No. U-36

University Exhibition 36

National Inst. of Tech., Nagano College, High Speed Signal Transmission Evaluation Center

Contact of Lab.

716, Tokuma, Nagano, Nagano 381-0041, JAPAN
TEL : +81(26)295-7074　 E-mail : nakayama@nagano-nct.ac.jp
[ High Speed Signal Transmission Evaluation Center ]

Title: * Over 100GHz High Speed Signals and Electromagnetic Material Evaluation System for the Society 5.0

Highlight: The High-Speed Signal Transmission Evaluation Center promotes joint research between industry, academia, and government by providing facilities to external institutions such as KOSEN, universities, and companies, with the aim of contributing to research that supports communications in the over 100GHz band or below.

Booth No. U-37

University Exhibition 37

The Univ. of Tokyo, Hirose & Natsuaki Lab.

Contact of Lab.

7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, JAPAN
TEL : +81(3)5841-6789　 E-mail : ahirose@ee.t.u-tokyo.ac.jp, natsuaki@ee.t.u-tokyo.ac.jp
[ Graduate School of Eng., Dept. of Electrical Eng. and Information Systems, Hirose & Natsuaki Lab. ]

Title: * Fast and High Resolution Subsurface Visualization System

Highlight: We have developed an adaptive plastic buried object detection system based on complex-valued neural networks. A fast band-sweep and high spatial resolution system is recommended for handling the phase and amplitude of scattered microwave. Here, we present our latest prototype for subsurface visualization system.

Booth No. U-38

University Exhibition 38

Kansai Univ., Photon Radiation Physics Lab.

Contact of Lab.

3-3-35 Yamate-cho, Suita, Osaka 564-8680, JAPAN
TEL : +81(6)6368-1121　 E-mail : yamso16@kansai-u.ac.jp
[ Faculty of Eng. Science, Dept. of Pure and Applied Physics, Photon Radiation Physics Lab. ]

Title: * Multistatic Imaging System — Accurate Phase Calibration Method —

Highlight: We present a highly accurate and automated method for calibrating phase errors occurring among multiple transmit and receive channels (including semiconductor switches), without modifying hardware connections.

Booth No. U-39

University Exhibition 39

Inst. of Science Tokyo, Takada Lab.

Contact of Lab.

S6-4, 2-12-1, O-okayama, Meguro-ku, Tokyo 152-8550, JAPAN
TEL : +81(3)5734-3282　 E-mail : keerativoranan.n.e51e@m.isct.ac.jp
[ School of Environment and Society, Dept. of Transdisciplinary Science and Eng., Takada Lab. ]

Title: * Physics-Aware Adaptive AP Selection Framework for High-Performance Wi-Fi Roaming based on CSI
* Outdoor Range and Velocity Estimation Using Non-Cooperative Passive Millimeter-Wave Sensing

Highlight: This work proposes a physics-aware AP selection framework that extracts fine-grained physical-layer metrics, such as EESM, from CSI and employs lightweight Multi-Armed Bandit (MAB) algorithms for adaptive Wi-Fi roaming. By capturing channel quality more faithfully than conventional RSSI, the framework enables fast and accurate handover decisions in dynamic fading environments. This work also investigates outdoor range and velocity estimation through non-cooperative passive sensing with millimeter-wave communication signals. Experimental results demonstrate pedestrian detection and range-Doppler estimation from received communication signals alone, without any transmitter cooperation.

Booth No. U-40

University Exhibition 40

Hiroshima Univ. Kameda & Miyake Lab.

Contact of Lab.

1-4-2 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, JAPAN
TEL : +81(82)424-6268　 E-mail : kameda3@hiroshima-u.ac.jp
[ Research Inst. for Semiconductor Eng. (RISE), Kameda & Miyake Lab. ]

Title: * Enhancing Wireless Communication Systems Using Space-Time Synchronization

Highlight: One large display will show a video of a large-scale system simulation for LEO satellite communications using space-time synchronization. The other will show a video of an automated measurement system for real-time radio map generation in indoor environments such as smart factories, based on time-synchronized multi-point measurements.

Booth No. U-41

University Exhibition 41

Muroran Inst. of Tech., Aerospace Communication Systems Lab.

Contact of Lab.

27-1, Mizumoto, Muroran, Hokkaido 050-0071, JAPAN
TEL : +81(143)46-5345　 E-mail : kitazawa@muroran-it.ac.jp
[ Faculty of Science and Eng., Dept. of Creative Eng., Aerospace Communication Systems Lab. ]

Title: * Air-to-Ground Radio Propagation and Spectrum Sharing Technologies for UAV Communications

Highlight: This exhibit presents wireless communication technologies for safe and advanced UAV operations, focusing on field measurements and evaluations in real-world environments. The research includes air-to-ground radio propagation measurements, interference evaluation between multiple UAVs, and spectrum sharing technologies for reliable and efficient UAV wireless communications.

Booth No. U-42

University Exhibition 42

Tokyo Univ. of Science, Yamamoto Lab.

Contact of Lab.

2641 Yamazaki, Noda, Chiba 278-8510, JAPAN
TEL : +81(4)7122-9531　 E-mail : t_yamamoto@rs.tus.ac.jp
[ Faculty of Science and Tech., Dept. of Electrical Eng., Yamamoto Lab. ]

Title: * Development of Fat-Equivalent Electromagnetic Phantoms for the Microwave Frequency Range

Highlight: This presentation introduces the results of research on the development of fat-equivalent electromagnetic phantoms for the microwave frequency range and the effects of alternating magnetic fields on small laboratory animals.

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