摘要： 针对传感器网络中的安全投资问题，建立安全投资的对称演化博弈模型和安全攻防的不对称演化博弈模型。通过对2种模型中的复制动态及进化稳定策略分析，得出安全投资成本及攻击成本是影响传感器网络安全问题的关键因素。找出安全投资及攻防对抗的规律和长期稳定趋势，提出解决传感器网络安全性问题恶性循环的建议，为传感器网络安全性的演化博弈分析提供一种方法，该方法对解决传感器网络中的安全投资问题具有一定的参考价值。

关键词: 演化博弈, 传感器网络, 收益矩阵, 复制动态

Abstract: Aiming at the problem of sensor network security investment, this paper establishes symmetrical model and asymmetrical model of safe attack and defense of safe investment. Through the two models analysis of their replicator dynamics and evolutionary stable strategy, it gets out a conclusion that safe investment cost and attack cost are the key factors affecting the safety of sensor network, and the paper finds out the rule and long stable tend of safe investment and attack and defense, presents an advice of solving bad circular security problems of sensor network, it affords a kind of method for evolutionary game analysis of sensor network security, and has important reference value to solve security investment problems of sensor network.

Key words: evolutionary game, sensor networks, benefit matrix, replicator dynamics

中图分类号: 

• TP309