WU Celimuge （clmg@is.uec.ac.jp） received the ME degree from the Beijing Institute of Technology， China in 2006， and the PhD degree from The University of Electro?Communications， Japan in 2010. He has been an assistant professor with the Graduate School of Information Systems， The University of Electro?Communications since 2010， where he is currently an associate professor. His current research interests include vehicular ad hoc networks， sensor networks， intelligent transport systems， IoT， 5G， and mobile cloud computing.

JI Yusheng （kei@nii.ac.jp） received the BE， ME， and DE degrees in electrical engineering from the University of Tokyo， Japan. She joined the National Center for Science Information Systems， Japan in 1990. She is currently a professor with the National Institute of Informatics， Japan， and Graduate University for Advanced Studies. Her research interests include network architecture， resource management， and performance analysis for quality of service provisioning in wired and wireless communication networks. She is a member of IEICE and IPSJ.

YOSHINAGA Tsutomu （yosinaga@is.uec.ac.jp） received the BE， ME， and DE degrees from Utsunomiya University， Japan in 1986， 1988， and 1997， respectively. From 1988 to 2000， he was a research associate with the Faculty of Engineering， Utsunomiya University， Japan. He was also a visiting researcher with the Electro?Technical Laboratory from 1997 to 1998. Since 2000， he has been with the Graduate School of Information Systems， The University of Electro?Communications， where he is currently a professor. His research interests include computer architecture， interconnection networks， and network computing. He is a member of ACM， IEICE， and IPSJ.