1990.7 ~ 1992.9, staying in school (graduate students are exempt from exams and keep their student status), serving as the counselor of the former radio engineering department of Harbin Institute of Technology;

1992.9 ~1995,7, School of Communication Technology, Harbin Institute of Technology, teaching assistant;

1995.7 ~ 2000.7, lecturer, School of Communication Technology, Harbin Institute of Technology;

From July 2000 to July 2005, associate professor, Institute of Communication Technology, Harbin Institute of Technology;

Since July 2005, Professor, Institute of Communication Technology, Harbin Institute of Technology;

2006.5-present, School of Communication Technology, Harbin Institute of Technology, doctoral supervisor.

He is currently the deputy director of the Mobile Communication Research Office of the Institute of Communication Technology of Harbin Institute of Technology;