Jie Xu received his B.E. degree in Electronic Information Engineering from Beijing University of Aeronautics and Astronautics (BUAA,BHU) in 2003, his Ph.D. in Communication and Information Systems from Graduate University of Chinese Academy of Sciences (GUCAS), Beijing, China in 2010. During his Ph.D. study, he had involved in several research projects which covered a wide range of multimedia communications. He is currently postdoctoral fellow in Center of Quantifiable Quality of Service in Communcations Systems (Q2S) at Norwegian University of Science and Technology (NTNU), Trondheim, Norway, conducting research on the next generation wireless networks and on multimedia communications. He is also leading the development of a serious multiplayer game which is to be used for both scientific research and for university recruitment. He is the author or co-author of more than 10 research publications; he is a member of IEEE.