Affiliation: | [1]School of Electronic Engineering and Optoelectronic Technology,Nanjing University of Science and Technology, Nanjing 210094, China [2]National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China [3]School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China [4]College of Telecommunications & Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |