计算机科学 ›› 2016, Vol. 43 ›› Issue (1): 111-115.doi: 10.11896/j.issn.1002-137X.2016.01.026
贺欢欢,王兴伟,李洁,黄敏
HE Huan-huan, WANG Xing-wei, LI Jie and HUANG Min
摘要： 为了在主用户具有异构性且认知用户处于多路径衰减、阴影效应等低感知性能的认知环境中,使认知用户公平有效地进行频谱感知,提出一种联盟博弈频谱感知机制,将频谱感知问题建模为效用不可转移的联盟博弈。首先,将认知用户划分成多个子联盟,根据头结点选取原则选出各个子联盟的头结点；其次,根据规则进行子联盟合并或分裂；最后,子联盟头结点利用“OR”规则进行数据融合,得到最终感知结果并广播给子联盟内的所有认知用户。仿真实现和性能评价结果表明,该机制具有好的性能。
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