JI Yang has received PhD and Bachelor degree from Beijing University of Posts and Telecommunications (BUPT) in 2002 and 1993 respectively. Currently, he is an associate professor of BUPT, vise director of Wireless Technology Innovation Institute, and vice manager of MTlab of Sino-Germany Software Institute. He now leads the research group on service and application in China Future Mobile Wireless Forum. He also made much contribution to the China Communication Standardization Association(CCSA), including the vision of future Mobile Ubiquitous Service Environment, architecture of future B3G mobile terminal, etc. His research interests include architecture design for mobile ubiquitous networks, theory of self-organization, mobile city application and home wireless application etc.