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Geographic Information-Based Routing Optimization Using GA for Cluster-Based WSNS

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Document pages: 13 pages

Abstract: Wireless sensor networks are used for data collection and event detection in various fields such as home networks, military systems, and forest fire monitoring, and are composed of many sensor nodes and a base station. Sensor nodes have limited computing power, limited energy, are randomly distributed in an open environment that operates independently, and have difficulties in individual management. Taking advantage of those weaknesses, attackers can compromise sensor nodes for various kinds of network attacks. Several security protocols have been proposed to prevent these attacks. Most of the security protocols form routings with cluster head nodes. In the case of routing using only cluster head nodes, it is difficult to re-route when the size of the cluster is increased or the number of the surviving nodes is reduced. To prevent these attacks, the proposed scheme maintains security in a cluster-based security protocol and shows energy efficient routing using genetic algorithm by selecting the appropriate cluster head nodes and utilizing the characteristics of the sensor node with different transmission outputs based on the distance between each node. In this paper, we use a probabilistic voting-based filtering scheme, one of the cluster based security protocols, and the shortest path, which is a hierarchical routing protocol that the original probabilistic voting-based filtering scheme is using, to test the proposed scheme. This experiment shows the performance comparison of the routing success rate and routing cost according to the number of nodes on the field, as well as the performance comparison according to the cluster size per number of nodes.

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