作者机构:College of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
相关基金:supported by the National Natural Science Foundation of China (60832009); Beijing National Science Foundation (4102044); the Fundamental Research Funds for the Central Universities (BUPT2009RC0119); the New Generation of Broadband Wireless Mobile Communication Networks of National Major Projects for Science and Technology Development (2009ZX03003-003-01)