Workshop Program

Blockchain technology has cooled the buzzword enthusiasm. The movement of examination of the characteristic, the application field, and standardization is progressing. As a research field, not only the number of published papers but also the quality has improved. New applications are being implemented properly.
In this session, we will give a talk on the actual state of blockchain technology in 2019, including the viewpoint of research. Blockchain is a comprehensive technology that combines the fields of expertise so far. Talk about the current situation from the perspective of experts and deepen discussion mainly in panel discussions.

Keyword ： Network, Cryptography, Blockchain, Distributed Ledger Technology, Standardization

Currently, in the advanced driver assistance system (ADAS), the system backs up safe driving by performing recognition, judgment and operation with high accuracy. There are many sensors that play a role in recognition are lasers, cameras, radars, and ultrasonic sensors. Radars are not easily influenced by weather conditions such as rainfall and back light, and attracting attention as powerful detection tools.
In this workshop, we will introduce various hardware-related technologies such as radar detection methods and inspection technologies that guarantee vehicle reliability.

Keyword ： Automotive Radar, Hardware, Antenna, Beam-scanning, MMIC, Inspection

The core parts of international standard specifications has been completed for the start of service by the initial system of 5G system, and development of network equipment/user device and creation of appreciations/services are becoming very active in Japan and the world, on the other hand, new studies for beyond 5G are also beginning to be aimed at the continuous evolution of the mobile communication system that has repeatedly evolved over a period of approximately 10 years. It is supposed that the beyond 5G (B5G) system need to respond to the traffic demands that are expected to continue to increase with the advancement and expansion of future mobile communication services, and to meet the demand for e.g., higher throughput/reliability/efficiency of radio access that delivers various types of user information.
In this session, the direction of B5G system and related latest activities will be introduced.

Keyword ： Beyond 5G/B5G, High Capacity, High Data Throughput/Reliability/Efficiency Radio Access

Theory, simulation and experiment are essential process to design any antennas. FDTD method as simulator is widely and commonly employed as a strong tool to design antennas.
In this basic course, the fundamental concept of FDTD method for antenna design is introduced for beginners.

Keyword ：

Recently, drones applied to various industrial fields such as monitoring, observation, agriculture, forestry and fisheries, distribution, photography, etc. are expanding, and establishment of a rapid and large-capacity charging station has become a key technology of utilization expansion.
In this session, we will introduce the latest technology for wireless power transfer for drone, which is being promoted as the Strategic Innovation Promotion Program (SIP) of the Cabinet Office.

Keyword ： Wireless Power Transfer/Transmission, Drone, Charging Station, Capacitive Coupling, Inductive Coupling, Microwave, 13.56 MHz Band, 6.78 MHz Band, 85 kHz Band

In recent years, due to serious labor shortages and work style reforms, drastic changes in the operation of manufacturing sites are required. IoT technology is being introduced to improve productivity with automation and labor saving. Installation of more sensor systems, moveable objects i.e., robots and automated guided vehicles, instruction and monitoring devices for workers, etc. is getting popular, and thus utilization of wireless technology is expected to exchange information and power among such devices.
In this workshop, policies to promote wireless use at manufacturing sites and activities for technological development of required wireless communication, expectation toward local 5G utilization, and wireless power transmission are discussed.

Keyword ： IoT, Wireless System, Factory, Manufacturing Sites, Dependable Wireless Communication, Wireless Power Transmission, Sensing

The magnetics are abundantly used for the engineers who are active in MWE (APMC) and IEICE, but are a "supporter" compared with the electronics such as an electric field and a dielectric material. The members of "Investigating R&D Committee on Practical Applications of High-Frequency Magnetic Materials, IEEJ" have introduced the cutting edge of high-frequency magnetic materials and their applications for MWE since last year, and have focused on the microwave frequency range last year.
Here, this workshop focuses on the latest technologies having needs in consumer use, such as electromagnetic noise suppressions for highfrequency equipment, high-accuracy electromagnetic simulations, compact antennas for mobile equipment, and high-power wireless power transfers. The authors will explain on those from the viewpoint of magnetics.

Keyword ： Magnetic materials, Noise Suppression, Electromagnetic Compatibility, Antenna, Magnetic Field Simulation, Artificial Intelligence (AI), Contactless Feeding, Wireless Power Transfer, 5G

With the development of device technology in millimeter wave and terahertz wave bands, various applications have been developed. In the millimeter wave band, demonstration experiments of V2X (Vehicle to Everything) communications using 60GHz band are in progress. On the other hand, terahertz bands can use a wider bandwidth than millimeter wave bands. So, touch download system by ultra-high speed wireless communication of several tens Gb/s and Bio medical applications by high resolution sensing are expected.
In this workshop, recent topics of these movement will be discussed.

Keyword ： Millimeter-wave, Terahertz, Vehicle to Everything Communication, Beyond 5G, Biomedical Sensing

The coming 5G mobile communication system will employ higher frequency carrier up to the SHF band to accommodate the ever expanding communication traffic. There is a big concern on 'desensitization'of receiver circuit that hinders the stable operation of the mobile communication system. This would occur when a fast switching SiC and GaN inverter equipment will be used in the vicinity of telecommunication equipment.
This workshop will systematically discuss;
(1) overview and technology to suppress the influence of unnecessary radio waves in the mobile terminal receiver, and noise source analysis technology using a portable magnetooptical probe,
(2) Development of WPT and inverter equipment using SiC and GaN devices,
(3) Unnecessary radio wave measurement system for the vicinity of WPT and inverter equipment & diagnosis system of LTE class receiver sensitivity, and
(4) New noise suppression sheet technology to suppress the generation and propagation of harmonic noise at the noise sources sics simulation techniques for high frequency electromagnetic and circuit analysis will be discussed focusing on interaction between electromagnetic and heat transfer, and thermal effect of active elements on RF circuit performance.

Keyword ： GaN, WPT, Magneto-optical Probe, Receiver Sensitivity, Ferrite Composite, Noise Suppression Sheet

To obtain high output in the power amplifier, it is major problem to design the thermal path from the substrate side. As the efficiency generally decreases as the frequency increases, it is expected that the problem will increase in the future.
Here, we will explain substrate selection in GaN HEMTs, replacement of sub-collector layers in InP HBT and bonding of different substrates and the thermal resistance generated at the interface.

Keyword ： Gallium Nitride (GaN), Substrate Selection, Bonding of Different Substrates, Thermal Resistance at the Interface

Microwave and millimeter wave filters are one of the basic components for wireless communication systems. Various design methods and realization methods have been proposed for a long time.
As a tutorial for beginners, this session introduces design method of a microwave filter from classical design theories to recent advance theories with several design and fabrication examples.

Keyword ： Band Pass Filter, Design Theory, Design Method, Functional, Microwave, Millimeter-wave

The IEEE 802.11ac devices have enabled a gigabit class data transfer using the wireless LAN. In the meantime, the IEEE 802 LAN (Local Area Network) / MAN (Metropolitan Area Network) Standards Committee is working on the standardizations of next generation LAN/MAN systems. The IEEE 802.11 working group is working on the next generation wireless LAN standards.
In this session, overview of wireless LAN standardization in the IEEE 802.11 working group is briefly introduced. Following the first presentation, the low powerlong range wireless LAN, the IEEE 802.11ah system is introduced highlighting the recent activities of an industry alliance. Finally, the standardization activities related to the resource sharing technique in the unlicensed spectrum which is an emerging issue for the wireless systems operating in the unlicensed spectrum.

Keyword ： Next Generation Wireless LAN, Standardization, Low Power-Long Range WLAN, Resource Sharing in the Unlicensed Spectrum

The microwave radar has the ability to remotely measure the various information such as distance, velocity, position and shape of a target object. In recent years, with the spread of application fields, there is an increasing opportunity for engineers in various fields to use the radar.
In this FR7A session, the fundamental theory, hardware, and signal processing of microwave radar will be explained to non-experts in an easy-to-understand manner, and the application of a pulse Doppler radar to meteorological observation is further explained.

Keyword ： Radar Range Equation, Radar Cross Section, Radar Equipment, Radar Signal Processing, Unexpected Strong Rain

EM simulators are a very common tool for various technical areas of electronics, including wireless communication systems and circuit design. The user can carry out EM analysis by using a commercial EM simulator without being detailed knowledge of electromagnetic field theory.
In this tutorial session, FR7B argues about the benefits of understanding Maxwell's equations for EM simulator users.

Keyword ： EM Simulation, Maxwell's Equations, Boundary Conditions