《Tab.1 Attack strategy》

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《一种对抗协作频谱感知中拜占庭攻击的博弈论方法（英文）》

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The attacker launches IA w hile the channel is being used by the PU.The FC's final decision is also accurate，and the attacker has to leave due to no benefits，and such a situation is denoted as IA-L.When the channel is unused，the attacker w ith IA can access it as w ell as the reliable SUs for transmitting data，w hich is denoted as IA-nO.After all SUs have sensed the active or inactive PU，since the attacker implements NA and operates like reliable SUs，the final decision is also idle or busy；therefore，both the attacker and reliable SUs access the unused channel or sw itch to another channel after the sensing slot.These tw o situations are respectively denoted as NA-L and NA-nO.Notably，NA-nO means no difference betw een the unintentional attacker and reliable SUs.Through the above analyses，the attack strategy is listed in Tab.1