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Data Compression in Wireless Sensor Network

Author(s): Anubha Barak

Journal: International Journal of Computer Science and Management Studies
ISSN 2231-5268

Volume: 12;
Start page: 93;
Date: 2012;
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Keywords: Wireless Sensor Network | data compression.

Wireless sensor networks are resource constrain. They arelimited power supply, bandwidth for communication,processing speed and memory space. The possible way ofachieving maximum utilization of those resources isapplying data compression on sensor data. Since processingdata consumes less power than transmitting data in wirelessmedium. So it is effective to apply data compression beforetransmitting data for reducing power consumpt ion b y asensor node. In this we propose a LZW data compressionalgorithm particularly suited to be used on availablecommercial nodes of a WSN, where energy, memoryand computational resources are very limited. Sinceprocessing data consumes less power thantransmitting data in wireless medium. So it is effective toapply data compression before transmitting data forreducing power consumption by a sensor node.
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