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Pushing the Frontiers of Cross-layer Optimization in Wireless Sensor Networks Right up to the Application Layer

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2 Author(s)
S. Chatterjea ; Pervasive Systems Group, Department of Computer Science, University of Twente, P.O. Box 217, 7500AE, Enschede, The Netherlands, ; P. J. M. Havinga

Unlike conventional computer networks such as office LANs or the Internet which can be used for a host of applications, wireless sensor networks are typically used for specific applications in mind. It is this fundamental difference combined with the fact that energy efficiency is of paramount importance in wireless sensor networks that a different approach needs to be taken when designing protocols. In this paper we first describe the main differences and benefits of the cross-layered techniques used for sensor networks over the traditional OSI layered approach used for conventional networks. We then give two examples which illustrate how we extend usual sensor network cross-layered optimization by going beyond just MAC-routing optimizations to optimizations between the application and the MAC layers.

Published in:

Intelligent Sensors, Sensor Networks and Information, 2007. ISSNIP 2007. 3rd International Conference on

Date of Conference:

3-6 Dec. 2007