中文摘要：

Wen-Yu Li is the directing engineer in Telecommunication Standard Research Institute of China Academy of Telecommunication Research （CATR）, working on wireless and mobile communication and net- work technology research and standardization. He has chaired several important national projects of China. He is the editor and respon-sible person of more than 10 CCSA specifications on TD- SCDMA technical requirement and test method and has published over 30 papers in refereed journals and conferences. He received his B.S. degree in information engineering in 1998, and M.S. degree in signal and information processing in 2002, both from Beijing University of Posts and Telecommunications （BUPT）. He is currently a Ph,D. candidate in signal and information system at BUPT. E-mail：liwenyu@ritt.cn Xiang Zhang received his Ph.D. degree in communication and information system from BUPT in 2012, and he works in CATR. His research interests span the physical and MAC layer technologies of LTE and LTE-A systems, with emphasis on MIMO and network coding in wireless networks.E-mail：zhangxiangl@ritt.cn Shu-Cong Jia received his bachelor＇s degree in information engineering from Depart. Information En- gineering, South China University of Technology Guangzhou in 2011. Then he joined BUPT to pursuit his master＇s degree in signal and information processing. His research interests axe 3GPP LTE technology and self-organizing network. E-mail：iashucongjsc@163.com Xin-Yu Gu received her Ph.D. degree in signal and information processing in BUPT, in 2005. From 2005 to 2013, she worked in China Radio Research Lab of Ericsson Research Institute as a senior research engineer in the area of wireless access network. She is now a vice-professor in BUPT. Her main research interests include radio resource management, hetero-geneous network, network evolution. E-mail：guxinyu.bj@gmail.com Lin Zhang got his B.S. and Ph.D. degrees in signal and information processing in 1996 and 2001 re- spectively, both from BUPT. He was a postdoctora