作者机构:[1]State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China, [2]School of Information and Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
相关基金:Project supported by National Basic Research Program of China (Grant Nos 2009CB320505 and 2009CB320504) and National High Technology Research and Development Program of China (Grant Nos 2006AA01Z235, 2007AA01Z206 and 2009AA01Z210).