作者机构:[1]College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China, [2]National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
相关基金:the National Natural Science Foundation of China (No. 60572130), the Open Research Fund of National Mobile Communications Research Laboratory, Southeast University, the Research Fund of Qing-Lan Engineering, Jiangsu Province, the Key Project of Natural Science Research Program of Universities, Jiangsu Province (No. 08KJD510001), the Doctorial Fundation of Ministry of Education, and the National Basic Research Program (973) of China (No. 2007CB310 607)