Stream-Oriented Lossless Packet Compression in Wireless Sensor Networks

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Executive Summary

In wireless sensor networks, the energy consumption of participating nodes has crucial impact on the resulting network lifetime. Data compression is a viable approach towards preserving energy by reducing packet sizes and thus minimizing the activity periods of the radio transceiver. In this paper, the authors propose a compression framework utilizing a stream-oriented compression scheme for sensor networks. It is specifically tailored to the capabilities of employed nodes and network traffic characteristics, which they determine in a characterization of WSN traffic patterns. To mitigate the inapplicability of traditional compression approaches, they present the Squeeze.KOM compression layer.

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