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Optimization of a CSMA/CA based MAC protocol designed for confined WSNS

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3 Author(s)
Rejane, D. ; IRIT, Blagnac, France ; van den Bossche, A. ; Thierry, V.

The need for control of human activities has fueled the development of networks built using small modules with low power-consumption and providing reliable data transmission. The OCARI project's goal was to develop one such network specifically targeted towards confined environments: submarines, power plants. In this paper, we focus on this project's MAC layer, MaCARI, and its mechanisms for time-constrained traffic. We examine the performance of the CSMA/CA protocol used in the contention-access period as the GTS' size varies. Prototyping and simulation are used in order to propose how the Guaranteed Time Slots should be allocated without hindering the network's performance.

Published in:

Wireless Communications in Unusual and Confined Areas (ICWCUCA), 2012 International Conference on

Date of Conference:

28-30 Aug. 2012