Peng Rui Zhang, Tongji University, China; Ajay K. Poddar, Ulrich L. Rohde, Synergy Microwave Corporation, United States; Mei Song Tong, Tongji University, China
Pei-Ling Chi, Yu-Heng Cheng, National Yang Ming Chiao Tung University, Taiwan; Tao Yang, University of Electronic Science and Technology of China, China