中文摘要：

Li Feng received the MS degree from the University of Hong Kong, China in 2007, and the PhD degree from Macau University of Science and Technology （MUST）, China in 2013. Now she is an assistant professor in FIT, MUST. Her research interests include wireless and mobile networks, power saving, SDN, and network performance analysis.;Jiguo Yu received the PhD degree from Shandong University in 2004. He became a full professor with the School of Computer Science, Qufu Normal University, China, in 2007. He is currently a full professor with the School of Information Science and Engineering, Qufu Normal University. His main research interests include wireless networking, distributed algorithms, privacy-aware computing, peer-to-peer computing, and graph theory. He is interested in designing and analyzing algorithms for computationally hard problems in networks. He is a member of ACM and a senior member of the China Computer Federation.;Feng Zhao received the PhD degree in communication and information system from Shandong University, China. in 2007. He is currently a professor with the School of Infornmtion and Communications, Guilin University of Electronic Technology. His research interests include cognitive radio networks,MIMO wireless communications, cooperative communications, and smart antenna techniques.;Honglu Jiang received the BS and MS degrees in computer science from Qufu Normal University in 2009 and 2012, respectively. She is currently a PhD candidate in School of Information Science and Engineering at Qufu Normal University. Her research interests include wireless networks, distributed computing,and privacy preserving.