Jiyu Jin received his PhD degree in information and communication engineering from Yeungnam University, Gyeongsan, Rep. of Korea, in 2007. From 2007 to 2008, he was a post-doctoral researcher at the School of Electrical Engineering and Computer Science, Seoul National University, Rep. of Korea. From 2008 to 2009, he was an assistant professor of information and communication engineering at Yeungnam University. He joined the Hilandwe Communication Technology Co., Ltd., Dalian, Liaoning Province, China, as a technical director in 2010. He is currently an associate professor at the School of Information Science and Engineering, Dalian Polytechnic University, China. His research interests include wireless/mobile communication systems and Internet of things. More than 50 technical papers were published in international journals and conferences.