Bachelor of Science, Fudan University, Shanghai, 1983. Master of Science, Osaka University, 1987. Doctor engineering, Osaka University, 1990.
Research associate ATR Communication Systems Research Laboratory, Seika, Japan, 1990-1993. Assistant professor Kyushu Institute of Technology, Fukuoka, Japan, 1993-1994, associate professor Japan, since 1994.
Member Institute of Electrical and Electronics Engineers, Institute Electronic Information and Communication, Japan Information Processing Society.