中文摘要：

Chengjie Li, received the M.Sc. degree in applied mathematics in Xihua University, Chengdu, China, 2010. Now Chengjie Li is studying for Ph.D. degree in Communication and Information System in University of Electronic Science and Technology of China （UESTC）, Chengdu, China, 2013. Lidong Zhu, received the B.S and M.S from Sichuan University, Chengdu, China, in 1990 and 1999, respectively, and the Ph.D. degree in Communication and Information Systems form Electronic Science and Technology of China, Chengdu,China, in 2003. From July, 2009 to June 2010, he was a visiting scholar with Department of electronic engi- neering of The University of Hong Kong. His research interests include satellite communications, blind source separation, and communication countermeasure. Zhongqiong Luo, received the B.S. and M.S. degrees in communication engineering from Sichuan University of Science ＆ Engineering, Zigong, China, in 2009 and 2012, respectively. Now he is studying for Ph.D. degree in National Key Laboratory of Science and Technology on Communicatlons of University of Electronic Science and Technology of China, Chengdu, China. His research interests include blind source separation, signal processing for wireless communications.