Design of Modified Adaptive Huffman Data Compression Algorithm for Wireless Sensor Network

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Executive Summary

Wireless Sensor Network (WSN) comprises of several autonomous sensor nodes communicating with each other to perform a common task. A wireless sensor node consists of a processor, sensor, communication module powered by a battery. Power efficiency is considered to be a major issue in WSN, because efficient use of energy extends the network lifetime. Energy is consumed by the sensor node during sensing, processing and transmission. But almost 80% of the energy is spent in the communication module for data transmission in sensor network. Sensor networks have a wide range of application in temperature monitoring, surveillance, bio medical, precision agriculture. Failure of sensor node causes a partition of the WSN resulting in critical information loss.

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