Zhang, Hongguang
Fu, Dexiang
Wang, Yang
Xie, Liang
Li, Yongtao
Chen, Wei
Funding for this research was provided by:
National Natural Science Foundation of China (11605092)
Beijing Municipal Education Commission (KM20150009012)
Jiangsu Youth Fund of Natural Science (BK20130858)
Science Research Foundation of Nanjing University of Posts and Telecommunications (NY215091, NY213055, NY213180)