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In the reputation modeling of wireless sensor networks(WSNs) many literatures have proposed creative reputation indirect update methods,such as reputation integration,discounting,aging to eliminate,and filtering malicious reputation information. However,few have discussed the reputation direct update. In this paper,based on sound statistical theories,a negative binominal distribution method in the reputation direct update for WSNs is proposed. Results show that the proposed method is more suitable and time-saving for the reputation update of the resource constraint WSNs and can improve the computation power efficiency as well.
In the reputation modeling of wireless sensor networks (WSNs) many literatures have proposed creative reputation indirect update methods, such as reputation integration, discounting, aging to eliminate, and filtering malicious reputation information. paper, based on sound statistical theories, a negative binominal distribution method in the reputation direct update for WSNs is proposed. Results show that the proposed method is more suitable and time-saving for the reputation update of the resource constraint WSNs and can improve the computation power efficiency as well.