由于认知无线电网络(CRN)的特点, 合作频谱感知容易遭受各种不同的安全威胁。针对CRN合作频谱感知中的感知数据错误化(SSDF)攻击, 利用博弈论分析了 SSDF攻击者和数据融合中心在不同条件下的行为与收益, 并研究了双方基于博弈论的最佳策略。数据融合中心采用本文所述的策略可以有效对抗 SSDF攻击, 且 SSDF攻击者无法通过自身策略的调整获得更大的收益。

Because of the characteristics of Cognitive Radio Networks(CRN), cooperative spectrum sensing is vulnerable to a variety of attacks. Considering the cooperative spectrum sensing under the Spectrum Sensing Data Falsification(SSDF) attack in CRN, the SSDF attacker and the fusion center’s behavior and payoff under different conditions are analyzed based on the game theory, and the best strategy for both sides from the view of game theory is studied. When the cooperative sensing fusion center adopts the proposed method, the SSDF attack can be resisted effectively, while the SSDF attacker cannot get more profits through adjusting its own strategy.