The National Basic Research Program of China(973 program)(2010CB328000);The National Nature Science Foundation of China(61102068);The National Nature Science Foundation of China(61073168);The National Nature Science Foundation of China(60972023);The National Science and Technology Important Special Project of China(2010ZX03003-002);The National Science and Technology Important Special Project of China(2010ZX03003-004);The Postdoctoral Science Foundation of China(20110490389);The Research Fund for the Doctoral Program of Higher Education(20113218120017);The Open Research Fund of National Mobil Communications Research Laboratory,Southeast University(2010D01);The Open Research Fund of the State Key Laboratory of Integrated Services Networks,Xidian University(ISN12-11);The NUAA Research Fund(NS2011013)