Dr. Lin Bai is an Associate Professor at School of Electronic and Information Engineering, Beihang University (University of Aeronautics and Astronautics, BUAA), Beijing, China. Prof. Jinho Choi researches and teaches at Gwangju Institute of Science and Technology in South Korea. Prof. Quan Yu is a Research Fellow at the Institute of China Electronic System Engineering Corporation. He is an Academician of Chinese Academy of Engineering (CAE).