1992 graduated from northern jiaotong university with a bachelor's degree in communication engineering.
1August 1992 to1August 1995, worked in Kunming Communication Signal Company.
1995 to 1998, majoring in communication and electronic systems in northern jiaotong university, with a master's degree.
1998-200 1 studied in communication and information system major of northern jiaotong university, and obtained a doctorate.
Since 200 1, he has been teaching at northern jiaotong university and is now an associate professor.
From 2003 to 2005, he was responsible for the National Natural Science Foundation "Personalized Congestion Control and Differentiated Services within Services".