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中文摘要：
部署于敌对环境的传感器网络，其节点可能被敌方俘获解析并构成恶意节点。再重新布放于网络，对网络进行攻击。针对上述问题，提出一种新的无线传感器网络节点复制攻击检测方法。这种方法将集中检测和分布检测相结合，在分簇传感器网络中分别利用簇头和基站进行复制攻击检测。仿真结果表明：该法克服了单独采用分布检测或集中检测的缺点，其检测率和通信成本均优于分布式方法，其网络生命周期优于集中式方法。
英文摘要：
Nodes of wireless sensor networks （WSNs） which are deployed in hostile environment may be captured, analyzed and replicated. Then those malicious nodes are inserted back into the network to attack network. Aiming at above problem, a new detection scheme which combines distributed detection with centralized detection for WSNs against node replication attacks is proposed. The scheme detects node replication attacks with both cluster heads and base station in clustering sensor networks. The simulation results show that the scheme overcomes shortcomings of adopting distributed detection or centralized detection alone, and its detection rate and communication cost are superior to the distributed methods, and its network lifetime is superior to that of the centralized methods.
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