说明：  最新认知无线电安全领域的文章，关于PUEA，即是主用户仿真攻击方面的文章，采用MME算法和合作用户选择算法。
(the newest article about security in cognitive radio networks, that is Primary User Emulation Attack,short for PUEA. In the article, the MME detection method and the spatial-correlation based )