GUO Jixin was born in Sichuan Province, China, in 1989. He received the B.S. degree in electronic engineering from the University of Electronic Science and Technology of China (UESTC), Chengdu, in 2012, where he is currently working toward the Ph.D. degree in Electromagnetics Field and Microwave Technology under the supervision of Professor Shiwen Yang. His current research interests include antenna arrays, optimization techniques and array signal processing.