earticle

영어

In order to study impacts of awareness on the propagation of a Bluetooth worm in smartphone networks, a novel propagation model is proposed. In this model, the smartphone network is regarded as a two-layer network composed of a social network layer in which the awareness diffuses and a physical network layer in which the Bluetooth worm propagates. It is shown by theoretical analysis and simulations that: (1) awareness cannot change the propagation threshold, but can mitigate Bluetooth worm in terms of decreasing the propagation speed and the final infection size; (2) the structure of the social network layer has a profound impact on such mitigation effects. That is, for smaller effective infection rate  , BA structure is always more effective than WS structure; while for larger  , there exists a critical value of social reinforcement of awareness c b , beyond which BA structure is more effective than WS structure, or else the reverse is true. In addition, the critical value c b is larger with  increasing.