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International Journal of Information Technology & Computer Science ( IJITCS )

Abstract :

 Wireless Sensor Networks (WSNs) are ad-hoc network involves of tiny devices called sensor  nodes with inadequate computation and energy measurements. Network formation and data gathering is a collective but serious operation in many applications of WSN. Among those devices, data transmission is a very energy-consuming operation. It thus becomes essential to concentrate computational overhead, communication overhead, network throughput and lifetime of a WSN. Clustering is an active topology control method for node management in WSN, which can increase network scalability and network lifetime. In this proposed work, nested clustering is created using logical neighbor tree (LNT) [1] relationship. The LNT signifies the neighborhood relationship among the group members. By using LNT membership management, group creation and group join and update are discussed. To save the overall energy of the sensor node, the sensed data need to be combined and aggregated and send to the base station through their respective heads. Using paillier crypto system, each node in the network is secured. This method is a probabilistic asymmetric algorithm which has high level of security among the sensor nodes. In this paper, a novel, energy efficient, well-organized, self-aggregated, secured and load balanced clustering scheme are discussed. The performance evaluation factors like communication cost, computational overheads, energy of proposed systems are analyzed and the results are discussed.

Keywords :

: WSN, LNT, Paillier crypto system, Clustering, Message Authentication Code.

References :

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