A Trust Model Based on Grid for Wireless Sensor Networks

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Provided by: Binary Information Press
Topic: Security
Format: PDF
As an important supplement to the traditional security measure based on cryptography, the trust mechanism has a significant advantage at the aspects of resolving internal attacks, identifying malicious nodes and improving system security and reliability in Wireless Sensor Networks (WSNs). A novel trust model based on grid is proposed which divides the trust relationship in WSN into four different layers: the trust relationship among normal nodes in one grid, the trust relationship between cluster-head node and normal nodes in one grid, the trust relationship among cluster-head nodes of different grids and the trust relationship between base station and grids.
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