The invention relates to a safe location method of wireless sensor network, including three stages, suspicious node identification stage: anchor nodes cooperate in one hop communication range of broadcast packets, and packets based on whether the abnormal detection of suspicious nodes, recording the corresponding suspicious node ID information; malicious node isolation: anchor node report suspicious nodes to the base station of ID information, the wireless sensor network safety classification area by the base station, and isolate the malicious nodes; security node position calculation stage: select the main anchor node and anchor nodes in the side regions has a higher level of security, through the passive positioning algorithm based on time difference calculation of sensor nodes the. The invention effectively detects and isolates the malicious nodes, reduces the influence of the malicious attack in the positioning process, improves the positioning accuracy, saves the energy consumption of positioning and prolongs the network life cycle.
【技术实现步骤摘要】
【技术保护点】
1.一种无线传感器网络安全定位方法,其特征在于:包括三个阶段:(1)可疑节点识别阶段:由锚节点根据接收到的信息包检测网络内的可疑节点;(2)恶意节点隔离阶段:锚节点向基站报告可疑节点,由基站对无线传感器网络进行安全等级区域划分,并隔离恶意节点;(3)节点位置安全计算阶段:在不同的网络安全等级区域中,利用基于时间差的定位方法进行网络内所有传感器节点的位置计算。
【技术特征摘要】
【专利技术属性】
技术研发人员:韩光洁,江金芳,朱川,刘同庆,张娜,巢佳,董玉慧,
申请(专利权)人:河海大学常州校区,
类型:发明
国别省市:32
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