| 1991-1994: | Ph.D. in Theroetical Physics, Jilin University Changcun, P.R.China |
| 1983-1986: | MSc in Theoretical Physics, Nrotheast normal University, Changchun, P.R.China |
| 1979-1983: | BSc in Physics, Northeast normal University, Changchun, P.R.China |
| 1998-1999: | Visiting Scholar, Deartment of Telecommunications/Aacoustics, Norwegian University of Science and Technology, Trondheim, Norway |
| 12.2002-Present: | Professor, Department of Electronics and Telecommunications, Norwegian University of Science and Technology, Trondheim, Norway |
| 06.2001-11.2002: | Research Scientist, SINTEF Petroleum Research, Trondheim, Norway |
| 01.2000-05.2001: | Post doc, Department of Telecommunications/Acoustics, Norwegian University of Science and Technology, Trondheim, Norway | 10.1999-01.2000: | Associate Professor, Institute of Theoretical Physics, Northeast Normal University, Changchun, P. R. China |
| 09.1998-09.1999: | Visiting Post doc, Department of Telecommunications/Acoustics, Norwegian University of Science and Technology, Trondheim, Norway |
| 07.1986-09.1991: | Lecturer, Department of Physics Northeast Normal University, Changchun, P. R. China |