Security cooperative spectrum perception method for resisting perception data error attack
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The invention discloses a security cooperative spectrum perception method for resisting perception data error attack, wherein the method based on traditional creditworthiness in the prior art can effectively resist the perception data error attack, but has bad effect on the probability attack problem. The invention can reflect the service quality of the radio user via the creditworthiness in the cognitive radio network and relieve the security cooperative spectrum perception with cooperative spectrum sensing performance effect due to the attack of the suspect user. The method provided by the invention has strong generality and is easy to implement without obtaining the priori information of the main user, truly and real-time reflects the service quality of the radio user by selecting different forgetting factors to calculate the creditworthiness, and is suitable for complex radio environments, effectively relieves the effect of the deep fading user on the cooperative perception performance and effectively resists the Always Yes and Always No and the probability attack of the malicious user on the cooperative perception performance.