H.Kasai received his B.Eng., M.Eng., and Dr.Eng. degrees in Electronics, Information, and Communication Engineering from Waseda University, Tokyo, Japan in 1996, 1998, and 2000, respectively. He was a visiting researcher at British Telecommunication BTexacT Technologies, U.K. during 2000-2001. He joined Network Laboratories, NTT DoCoMo, Japan, in 2002, and since 2007 has been an Associate Professor at The University of Electro-Communications, Tokyo. He was a senior policy researcher at Council for Science, Technology and Innovation Policy (CSTP), Cabinet Office of Japan, during 2011-2013. He was a visiting researcher at Technical University of Munich, Germany during 2014-2015. His researc...