:male and born in Funing county, jiangsu Province in 1962. He graduated from Xidian University and earned the B. Eng Degree, the M. Eng. Degree, and the Ph. D degree O in 1982, 1985, and 1990 respectively. In 1994 he 2 was exceptionally promoted to professor 3 Presently he holds the posts of dean of the School of Telecommunications Engineering of Xidian University and director of the research Institute of Information Science. He is an advisor for doctoral students a fellow of the chinese Institute of communications. a senior member of ieee and a senior member of the o Chinese institute of electronics***: male and born in Funing county, jiangsu Province in 1962. He graduated from Xidian University and earned the B. Eng. Degree, the M. Eng. Degree, and the Ph. D.degree ① in 1982, 1985, and 1990 respectively. In 1994 he ② was exceptionally promoted to professor. ③ Presently he holds the posts of dean of the School of Telecommunications Engineering of Xidian University and director of the Research Institute of Information Science. He is an advisor for doctoral students, a fellow of the Chinese Institute of Communications, a senior member of IEEE, and a senior member of the ④ Chinese Institute of Electronics