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A Secure Data Transmission for Cluster based Wireless Sensor Network Using LEACH Protocol

Vinoda B Dibbad, C M Parameshwarappa

Secure data transmission is a critical issue for Wireless Sensor Networks (WSNs). Clustering is an effective and practical way to enhance the system performance of WSNs. In recent years, wireless communication due to rapid hardware cost reduction and providing its devices with portability has become one of the most important communication methods in our everyday life. Many people communicate with others through wireless environment almost every day. However, from privacy viewpoint, wireless security is a crucial challenge since messages are delivered to their destinations through the air so hackers can maliciously intercept the messages and decrypt the messages. A Clustering sensor node is an efficient topology and a crucial issue in Wireless Sensor Network (WSN). Clustering is a technique in which small light weight, low cost , low power sensor nodes are grouped in to some clusters. In this paper, propose a security solution for LEACH (Low-Energy Adaptive Clustering Hierarchy), a protocol where clusters are formed dynamically and periodically. A LEACH protocol effective one to reduce and balance the total energy consumption for CWSNs.