He received his PhD in 2009 from Harbin Engineering University. He developed the signal acquisition and tracking of the Spread spectrum receiver for the GPS ground-based augmentation systems. His research interests include BOC signal tracking, and GNSS/INS integrated navigation system. From May 2014 to May 2015, he is a visiting academic with the Australian Centre for Space Engineering Research (ACSER) at the University of New South Wales (UNSW). During his visiting, he worked on the Cooperative Positioning in Intelligent Transportation Systems (ITS) which was based on fusing the measurements of Global Positioning System (GPS), Ultra-Wide Bandwidth (UWB) and Inertial Navigation System (INS).