He has authored more than 200 peer-reviewed articles in those areas, and his research has been support by NSF and other funding sources. His current research interests include large-scale dynamic complex system modeling and optimization, energy Internet and distributed energy management, green computing and communications, and mobile Internet. He is a member of ACM. He has served as an Editor or a Guest Editor in many journals, such as the IEEE Transactions on Circuits and Systems for Video Technology, the IEEE Journal on Selected Areas in Communications, the IEEE Access, and the IEEE Wireless Network.