Xiaofeng Liu received his B.S. degree in Communication Engineering from Beijing University of Posts & Telecommunications in 2003, his M.S and PHD. in Communication and Information Systems from Beijing University of Posts & Telecommunications, in 2006 and 2009. He is the deputy chief engineer of Mobile Communication Innovation Center of China Academy of Information and Communications Technology (CAICT), the Professor-level senior engineer. He is also serving as the Chair of IMT-2020(5G) Promotion Group 5G+AI Work Group. He has over 20 papers published and holds over 30 patents. He is the author of: 5G wireless system design and international standard and 5G wireless enhanced design and international standard. His current research focus on integration of wireless communication and AI.