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随着电子信息技术的发展,无线传感器网络得到了日益广泛的应用,传统安全防护技术却无法直接应用于无线传感网中,传感器节点容易遭受到恶意攻击。该文提出了一种无线传感器网络的节点行为度量机制,对不同计算能力的节点采用不同的度量机制,具有实时度量和主动控制的特点。仿真实验表明,该方案充分考虑了无线传感器节点能耗问题,能够有效识别恶意节点,同时有更好的环境适应性,能够在部分节点遭到攻击时保障传感器网络顺畅运行。
With the development of electronic information technology, wireless sensor networks have been widely used. However, the traditional security technologies can not be applied directly to wireless sensor networks. Sensor nodes are vulnerable to malicious attacks. This paper proposes a node behavior measurement mechanism for wireless sensor networks, which uses different measurement mechanisms for nodes with different computing capabilities and has the characteristics of real-time measurement and active control. The simulation results show that the scheme fully considers the energy consumption of wireless sensor nodes, can effectively identify malicious nodes and has better environmental adaptability, and can guarantee the smooth running of sensor networks when some nodes are attacked.