Implementation of DEEC Protocol Using Optimization Technique in Wireless Sensor Technology

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K. Phani Rama Krishna
Haji Md. Habibulla

Abstract

Wireless sensor networks are employed in several applications like military, medical, household and environmental. In these applications energy factor is the determining factor in the performance of wireless sensor networks. In wireless sensor network, clustering is used as an effective technique to achieve scalability, self-organization, power saving, channel access, routing etc. Lifetime of sensor nodes determines the lifetime of the network and is crucial for the sensing capability. Clustering is the key technique used to extend the lifetime of a sensor network and also reduce energy consumption etc,. Energy-efficient clustering protocols should be designed for the characteristic of heterogeneous wireless sensor networks[1]. DEEC which is named as distributed energy efficient clustering protocol is selected as clustering protocol[1]. In DEEC, the cluster heads are elected by a probability based on the ratio between residual energy of each node and the average energy of the network. Since in DEEC, the lifetime of sensors as well as network degrades very quickly. Hence in order to increase the network lifetime a new algorithm is proposed. This technique balances the cluster by using some backup nodes. The backup high energy and high processing power nodes replace the cluster head after the cluster reaches to its threshold limit. This approach will increase the network lifetime and will provide high throughput.

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