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Energy Efficient Collection Tree Protocol in Wireless Sensor Networks

Affiliations

  • SRM University, Kattankulathur, Chennai - 603203, Tamil Nadu, India

Abstract


Objectives: Wireless Sensor Network (WSN) is a collection of sensor nodes which have limited resources like storage and power. To make the network energy efficient, data fusion becomes essential for reducing the number of transmissions. In this paper, we have implemented a data aggregated collection tree protocol (DA-CTP), an enhanced Collection Tree Protocol (CTP) and we compare its performance with the traditional CTP. Methods/Statistical Analysis: For every set of source nodes, the node at the next level will act as an aggregator to accept the packets from source nodes. The function of the aggregator is twofold. If the data packets sent by the source nodes are redundant, the average will be computed on the received data packets and sent to the destination, besides the received data packets will be merged to a single packet. Thereby minimizing the number of packet transmissions. Findings: Our experimental analysis shows that the DA-CTP consumes less energy than traditional CTP without any performance degradation. Application/Improvements: Betweenness Centrality concept can be introduced to minimize the latency.

Keywords

CTP (Collection Tree Protocol), Data Aggregation, TelosB Motes, Wireless Sensor Networks.

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