Workshop Program

Research and development of quantum computer aiming at application to artificial intelligence (AI) is progressing in recent years. Commercial quantum computer was sold by D - Wave of Canada, IBM and NTT also developed quantum computer and cloud service. Basic technology supporting quantum computer was born in Japan.
In this workshop, Dr. Kadowaki, the inventor of quantum annealing theory, will explain the quantum computer and quantum annealing method. The difference of the two types of quantum computers, and recent progress in quantum annealing will be introduced. Moreover, activities for developing applications in quantum computing in DENSO will be presented. Fujitsu Laboratories also provides cloud services, Digital Annealer (DA), using simulated annealing with conventional digital circuits. DA is a hardware architecture which can solve combinatorial optimization problems using Isingmodel based structure. The advantages of DA are fully-connected structure and parallel searching technology for bit update. Dr. Shimokawa will present these specific features of DA and some examples of more practical application which can be solved using DA.

Keyword ： AI, Quantum Computer, Quantum Annealer, Combinatorial optimization problem, Fully-connected structure, Ising model

Data-driven agriculture and livestock industry exploiting IoT and machine learning have been promoted. Measurement techniques applying highfrequency and electronic circuit technologies have been researched and developed to meet strong needs such as digitization of growth status, risk detection and prediction, and automatic evaluation of quality.
This workshop introduces advanced sensing technologies using light, sound, microwave (terahertz and sub-mm wave), and impedance measurements.

Keyword ： Terahertz Wave Application, Sub-mm Wave Sensor, Optical Sensing, Acoustic Sensing, Electro-Chemical Gauging, Agriculture, Livestock, Fisheries, Aquaculture, Taste Evaluation

The history of terrestrial mobile communications starting with pagers is surprisingly old, and the fundamental concept of antenna propagation in the fifth generation (5G) remains unchanged. However, in order to cope with high speed and multimedia, operation frequency increase and bandwidth expansion are essential, and technical progress has been made to improve processing speed and software. As a result, apparent scatterers (people, buildings, etc.) became larger, and the propagation characteristic resolution improved. In the fifth generation mobile communication system, it is necessary to work closely with active beam technology that utilizes this technology advance, cognitive and MIMO technology.
In this lecture, I begin with the basic design concept of mobile communication antenna/propagation research, and introduce the latest application technology. I will also briefly mention terminal antennas and describe further design points of antenna systems in mobile communications, which will become important in the future of people's lives.

Keyword ： Antennas and Propagation, Wireless Communication Systems, Mobile Communication, Electromagnetic Field Analysis

Recently, a fusion of Drone and cellular mobile system is promising. The technologies that send the information obtained by camera and sensors mounted on the Drone and that operate Drone from a remote location via cellular mobile network as a wireless communication tool are collecting a lot of attention. These technologies are called as a Cellular Drone technology lately.
This work shop session will have a discussion about the Cellular Drone technology and its applications.

Keyword ： Propagation characteristics, Millimeter wave, Drone, Path loss, 5G

This session covers current status and target timeline for WPT, regulation and standardization, unwanted emission requirements (EMC), assessment of human exposure. For WPT of mobile and EV, regulations and standardization status mainly of FCC and UL will be reported. Deliberation status and target timeline by CISPR/B/WG1 for class A or B group 2 equipment for performance of type tests will be reported. Methods for the assessment of electric, magnetic and electromagnetic fields associated with human exposure for WPT under deliberation by IEC TC106. Will be also reported.

Keyword ： WPT, Regulation, Standardization, IEC, CISPR, EMC, Assessment of Human Exposure

Due to the concern for environmental problems, various vehicles are becoming more electrified, and dependence on electric energy tends to increase more and more. In this trend, wireless power transfer technology can be said to be a key technology that influences the acceleration to electrification.
In this session, the latest research and development trend for practical application of wireless power transfer technology to various vehicles from small vehicles such as drones and AGVs to large vehicles such as buses are introduced.

Keyword ： Wireless Power Transfer, Electrification, Electric Vehicle, Inductive Coupling, Magnetic Resonance Coupling

Metamaterials, which exhibit unusual EM properties not found in any known naturally occurring materials, have been opening a new research avenue in the field of electromagnetic wave and underscoring the remarkable potentials to realize novel microwave devices with a miniaturized size, very-fast-speed and extremely-high-efficiency. Meanwhile, with the rapid development of the computer technology, numerical simulation techniques have been making a significant contribution to the accurate design of microwave devices based on metamaterials.
In this session, the focused issues related to the stateof- the-art, and the outlook of the applications of the simulation technology in the design of microwave devices using metamaterials will be presented.

Keyword ： Metamaterial, Simulation, Microwave, Application

The session introduces new evaluation methods and electromagnetic interference (EMI) related to radio waves from 5G system.
There are three topics that are the Over The Air (OTA) which measures radio waves without cables connected to base station antennas, exposure assessment method for devices operating over 6 GHz, and investigated results of EMI with medical devices.

Keyword ： 5G, OTA, Exposure assessment, Medical devices, EMI

Progress of medical service enables new diagnosis and preventions, which lead higher quality of life and comfort level. Progress of medical equipment also largely contribute to the progress of medical service.
In this session, professional researchers will explain application of microwave and plasma to medical problems. The presentations cover electromagnetic properties of biological tissue, microwave tomography development for medical imaging, and the plasma treatment in perinatal medicine.

Keyword ： Medical, Microwave, Plasma, Tomography, Imaging, Electromagnetic Property

Various applications are advanced by improving device technology of millimeter waves and terahertz waves. Imaging is highly expected among applications expected of terahertz technology.
In this workshop, various evaluation results will be introduced by Dr. Housako. Teraheltz-wave takes advantage of the following features; transparency to plastic, wood, paper, etc., spatial resolution of about millimeter, discrimination of substances derived from the presence of multiple absorption lines. Secondly, Dr. Futatsumori will introduce an FOD detection system (Foreign Object Debris, FOD) that automatically detects a small FOD to improve safe operation of aircraft and runway use. It uses a 96 GHz band millimeter wave radar using Radio Introduce-over-Fiber and linear cell method. He also introduces test results of a helicopter obstacle detection support system using radar in the 76 GHz band. Finally, Dr. Taniguchi will introduce a 40 GHz fixed radio system for wireless backhaul system of 5th generation mobile communication system. It was developed based by a proprietary technology as "Directional Division Duplex (DDD)", and evaluated them as operational test on real field. This DDD method is an innovative method such that can achieve twice the frequency utilization efficiency such that compared with TDDmethod or FDD-method.

Keyword ： Millimeter wave, Terahertz, Imaging, Radar, 5G Mobile, Backhaul

As a tutorial for beginners and refreshers, this session attempts to introduce the fundamentals of design of microwave filters.
First, the necessary knowledge required in the design of the filters will be presented. Then, after the explanation of the general synthesis methods, Octave (a free software compatible with Matlab). based programs for the synthesis of the filters will be interpreted in detail. Moreover, with design examples, issues on how to realize the synthesized circuit models in substrates and how to apply the simulation in pattern design will be discussed.

Keyword ： Microwave filter, Theoretical design, Equivalent Circuit, Simulation

Multiband microwave power amplifier techniques are strongly required for realizing concurrent multiband systems with higher and wider frequency bands in 5G.
For this issue, a basic concept of a multiband amplifier operation is explained. In addition, issues in the concurrent operation are also explained based on recent reports about dual-band amplifiers. Nonlinear Compensation techniques for broadband and multiband amplifiers are also presented.

Keyword ： 5G, Amplifier, Multiband, Broadband, Nonlinear Compensation, DPD

When designing and assembling circuits, we should give various attention to which is not listed in circuit diagrams. Therefore, it is necessary that an engineer understand assembly.
In this TH7B session, basic idea and important points on microwave circuit fabrication are introduced.

Keyword ： Microwave Circuit, Assembly, Manufacturing