*Praphan Pavarangkoon¹, Ken T. Murata¹, Tsubasa Yumura¹, Kazunori Yamamoto¹, Takamichi Mizuhara², Yuya Kagebayashi², Yasunori Kakizawa², Kazuya Muranaga³ (1.National Institute of Information and Communications Technology, Tokyo, Japan, 2.CLEALINK TECHNOLOGY Co., Ltd., Kyoto, Japan, 3.Systems Engineering Consultants Co., Ltd., Tokyo, Japan)