Anomaly detection in wireless sensor networks: A survey
Journal of Network and Computer Applications
An efficient anonymous communication protocol for wireless sensor networks
Wireless Communications & Mobile Computing
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In a wireless sensor network, an adversary may crack legal nodes or deploy malicious nodes to launch various attacks. These nodes are collectively called compromised nodes. In this paper, we define a Data Transmission Quality (DTQ) function to differentiate the legitimate nodes and compromised nodes. The DTQ function is defined in a way that it will keep close to constant or change smoothly for legitimate nodes and will keep decreasing for suspicious nodes. The final decision of whether or not a suspicious node is compromised is determined by a group voting procedure. Simulations were conducted to verify the effectiveness of the design.