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The left side is the figure of Network Model that we used in this research. The network model consist of Sensor Node, Base Station, and Key Distribution Center. SNs are responsible for sensing the environmental condition and sending them to the Base Station. Base Station acts as an interface between users and Sensor Nodes and receives all sensing data that Sensor Node obtained. Key Distribution Center generates and distributes keying information to all Sensor Node in Wireless Sensor Network. The Sensor Nodes grouped into several groups in the network.
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