I am currently working on Yonsei University in South Korea as a graduate student under the integrated Ph.D course. I am interested in learning everything related to mathematics although my field is actually wireless communication and network control. Also, I like computers, e.g. computer programming, computer architecture, OS, etc. When I was taking undergraduate course, I enjoyed making items based on embedded system, taking as a controller unit 8051, avr, arduino, raspberry pi, and so on.