He received the B.E. degree in 2005 from Harbin Institute of Technology, the M.S. degree in 2007 from the University of Toronto, and the Ph.D. degree in 2012 from the University of Michigan. He worked as a research intern at Microsoft Research Asia from May to Aug. 2010, and at NEC Labs American from May to Dec. 2011. His research interest lies in designing cross-layer protocols that improve wireless network performance, as well as mobile applications that enable fine-grained context sensing. His work spans the areas of wireless networking, communications engineering and mobile computing, involving both mathematical analysis and systems implementation. He received ACM MobiCom Best Paper Award in 2011, and NSF CAREER award in 2014.