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University Exhibition

Booth No. U-11
University Exhibition 11

National Inst.of Tech., Hakodate College, Maruyama Lab. and Nakatsugawa Lab.

Contact of Lab.
14-1, Tokura, Hakodate, Hokkaido 042-8501, JAPAN
TEL : +81(138)59-6424 / 6444  E-mail : maruyama@hakodate-ct.ac.jp
[ Product System Engineering, Maruyama Lab. and Nakatsugawa Lab. ]
* Snow Melting System using Microwave Heating and Wireless Power Transmission
* High-Efficiency Wireless Power Transmission for Extending the Wireless Power Feeding Distance for IoT using Mutual Coupling Between Elements
* Wireless Power Transmission System Simultaneously Transmitting Information Over Microwave Channels
* Analog Control Circuits Operating in Microwave-Bands for Massive-MIMO Signal Processing
We will present snow melting system using microwave and wireless power transmission, metasurfaces for IoTs, wireless power transmission methods to simultaneously transmit electric-power and information, and analog signal processing circuits for Massive-MIMO applications.
Booth No. U-12
University Exhibition 12

Tokyo City Univ., Integrated System Lab.

Contact of Lab.
1-28-1 Tamazutsumi, Setagaya-ku, Tokyo 158-8557, JAPAN
TEL : +81(3)5707-0104  E-mail : tshibata@tcu.ac.jp
[ Faculty of Engineering, Electrical, Dept. of Electronics and Communication Engineering, Integrated System Lab. ]
* A Control of Wireless Power Transfer to Multiple Terminals Using the SP-PS Coupling Circuit
* Parameter Estimation of Multilayer Structures from Backscattering Responses for Plane Waves
* A Synthesis of Filter Characteristics by the Time-Domain Discrete Green's Function
Controlling wireless power transmission to multiple terminals and maximizing the power transmission efficiency are possible by switching the capacitance ratio of the magnetic field coupling resonance circuit. Estimation of layer thickness and material constants of multi-layer structures by swarm intelligence is demonstrated. An efficiency improvement of circuit characteristics synthesis is proposed by sampling frequency conversion of the time-domain discrete Green's function.
Booth No. U-13
University Exhibition 13

Kyoto Univ., Research Inst. for Sustainable Humanosphere, Shinohara Lab.

Contact of Lab.
Gokasho, Uji, Kyoto, 611-0011, JAPAN
TEL : +81(774)38-3807  E-mail : shino@rish.kyoto-u.ac.jp
[ Research Inst. for Sustainable Humanosphere, Shinohara Lab. ]
* Microwave Wireless Power Transfer and Microwave Heating
Microwave wireless power transfer systems including antennas, magnetrons, rectifiers etc. and microwave heating systems are introduced.
Booth No. U-14
University Exhibition 14

Toyohashi Univ. of Tech., Electromagnetic Wave Engineering Lab.

Contact of Lab.
1-1 Hibarigaoka, Tempakucho, Toyohashi, Aichi 441-8580, JAPAN
TEL : +81(532)81-5193  E-mail : tamura@ee.tut.ac.jp
[ Faculty of Engineering, Dept. of Electrical and Electronic Information Engineering, Electromagnetic Wave Engineering Lab. ]
* Wireless Power Transfer in Shielded Space
* Wireless Power and Data Transfer to Underwater Drone and Biological Implant Device
* RF circuits for next generation wireless communications
We have been widely conducting basic & applied research with the aim of social contribution using the electromagnetic field. This time, we introduce two fields: wireless power and data transfer, and next g eneration analog cancellation circuits for full duplex communication.
Booth No. U-15
University Exhibition 15

Tohoku Univ., Suematsu Lab. / IT-21 Center

Contact of Lab.
2-1-1 Katahira, Aoba-ku, Sendai 980-8577, JAPAN
TEL : +81(22)217-5532  E-mail : furuichi@riec.tohoku.ac.jp
[ Research Inst. of Electrical Communication, Suematsu Lab. and IT-21 Center ]
* Fiber Optic DBF Transmitter / Real-Time Spectrum Monitor for Wireless IoT using Direct Digital RF Technology
We have studied Direct digital RF technology beyond Nyquist frequency utilized high order Nyquist zone. In this exhibition, we show 7.5 GHz band digital beam forming transmitter using 10 GbE fiber optic and Real-time spectrum monitor for wireless IoT usage by using Direct digital RF technology.
Booth No. U-16
University Exhibition 16

Hiroshima Univ. Kameda Lab.

Contact of Lab.
1-4-2 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, JAPAN
TEL : +81(82)424-6265  E-mail : kameda3@hiroshima-u.ac.jp
[ Faculty of Research Inst. for Nanodevices, Kameda Lab. ]
* Massive Connect IoT: Synchronized SS-CDMA with Space-Time Synchronization
* Resilient Wireless Network for Disasters
This is a new laboratory established in April 2021. The following two research projects are currently underway:
(1) Innovative communication devices and its applications based on the ultimate time synchronization and
(2) Research and development of network control technology for beyond 5G resilience.
Booth No. U-17
University Exhibition 17

Mie Univ. Graduate School of Engineering, High-Frequency Photonics Lab.

Contact of Lab.
1577 Kurima-Machiya-Cho, Tsu-City 514-0102, JAPAN
TEL : +81(59)231-6294  E-mail : otagaki@elec.mie-u.ac.jp
[ Graduate School of Engineering, Area of Electric and Electronic Engineering, High-Frequency Photonics Lab. ]
* Wireless-Photonic Fusion Devices for Beyond-5G Wireless Communications
* Non-Destructive Inspection for Underground Pipelines Utilizing Radio-Over-Fiber (RoF) and Radio-Over-Pipe (RoP) Techniques
* W-Band Millimeter-Wave Imaging using Dielectric Lens for Security Applications
We present our recent studies on photonic-based mobile front-haul technology for Beyond-5G wireless communication systems, non-destructive inspection technologies using microwave guided-modes and radio-over-fiber schemes for underground pipelines, and W-band millimeter-wave imaging for security applications.
Booth No. U-18
University Exhibition 18

The Univ. of Tokyo, Hirose & Natsuaki Lab.

Contact of Lab.
7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, JAPAN
TEL : +81(3)5841-7494  E-mail : ahirose@ee.t.u-tokyo.ac.jp, natsuaki@ee.t.u-tokyo.ac.jp
[ Graduate School of Engineering, Dept. of Electrical Engineering and Information Systems, Hirose & Natsuaki Lab. ]
* Fast and High-resolution Adaptive Plastic Buried Object Detection System
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-19
University Exhibition 19

Microwave Imaging R & D Group (Kansai Univ., NIFS, Nagasaki Univ.)

Contact of Lab.
3-3-35 Yamate, Suita, Osaka, 564-8680, JAPAN
TEL : +81(6)6368-1114  E-mail : yamso16@kansai-u.ac.jp
[ Faculty of Engineering Science, Dept. of Pure and Applied Physics, Photon Radiation Physics Lab. (PRPL) ]
* Microwave Computer Tomography for Medical and Industrial Applications
(1) Microwave mammography with Forward-Backward Time-Stepping (FBTS) inverse scattering technique.
(2) Simple reconstruction and deep learning of microwave computer tomography for industrial applications
Booth No. U-20
University Exhibition 20

Shonan Inst. of Tech., Kaho Lab, So Lab. and Matsunaga Lab.

Contact of Lab.
1-1-25 Nishikaigan, Tsujido, Fujisawa, Kanagawa 251-8511, JAPAN
TEL : +81(466)30-0181  E-mail : kaho@elec.shonan-it.ac.jp
[ Electrical and Electronic Engineering, Kaho Lab., So Lab. and Matsunaga Lab. ]
* High Power Amplifiers for 4G / 5G Base Stations
* Wireless Power Transfer Technology
* Small Phased Array Antenna with Butler Matrix and Staircase Array Antenna
We are researching the design and measurement system for high power amplifiers for 4G / 5G mobile phone base stations, wireless power transfer technology, and small and low-cost phased array antenna devices.

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