Optimal data compression and forwarding in wireless sensor networks

Authors:
Bulent Tavli;Ibrahim E. Bagci;Onur Ceylan
Affiliations:
Department of Computer Engineering, TOBB, University of Economics and Technology, Ankara, Turkey;Department of Computer Engineering, TOBB, University of Economics and Technology, Ankara, Turkey;Department of Computer Engineering, TOBB, University of Economics and Technology, Ankara, Turkey
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

In this letter, we present a Linear Programming framework for modeling dynamic data compression and decompression in conjunction with flow balancing in wireless sensor networks. Using the developed framework, we investigated the sensor network lifetimes for different network sizes with various data compression and flow balancing strategies. Our results show that neither compressing all data nor avoiding data compression completely can achieve the longest possible network lifetime. Dynamic data transformation is shown to achieve significantly longer network lifetimes than the lifetimes obtained with the two pure strategies above.