He received his B. Eng. and Ph.D. degrees in electronic engineering from Tsinghua University, Beijing, China, in 2006 and 2011, respectively, and received the Excellent Doctoral Thesis Award of Tsinghua University. He was a postdoctoral scholar at the Ohio State University during 2011-2014, and a research associate at the Ohio State University during 2014-2017. His research interests include wireless communications, communication networks, information status updates, and machine learning. The paper that he co-authored received the Best Student Paper Award at IEEE WiOpt conference 2013. He is the founding co-chair of the First Workshop on the Age of Information.