Professor Zhi Ding has been holding many important positions in international academic circles: member of the signal processing and communication technology committee of IEEE Signal Processing Association (1997-2003), and deputy editor of IEEE Signal Processing Journal (1994- 1997), 200 1-2004. Professor Ding of IEEE Signal Processing Express (2002-2005) and IEEE Signal Processing Journal (20065438) was elected as in June 2003 for their outstanding academic contributions in the field of signal processing and communication.