计算机科学 ›› 2015, Vol. 42 ›› Issue (9): 151-153.doi: 10.11896/j.issn.1002-137X.2015.09.029
田红园,姚引娣,郑文秀,王宏伟
TIAN Hong-yuan, YAO Yin-di, ZHENG Wen-xiu and WANG Hong-wei
摘要： 针对主用户仿冒(PUE)攻击用户非法占用主用户信道而导致认知用户的可用频谱资源降低的问题,以辐射源的指纹特征为基础,定义分形加权维数,刻画通信信号码元包络的脉内起伏特征,提出了一种新的基于辐射源特征提取的PUE攻击检测方法。理论分析和实验结果表明,提出的检测方法能够有效地区分主用户和PUE攻击用户,并在信息安全领域发挥重要作用。
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