Validation of WSN simulators through a comparison with a real testbed

Authors:
Lorenzo Bergamini;Carlo Crociani;Andrea Vitaletti;Michele Nati
Affiliations:
Sapienza University of Rome, Rome, Italy;Sapienza University of Rome, Rome, Italy;Sapienza University of Rome, Rome, Italy;Sapienza University of Rome, Rome, Italy
Venue:
Proceedings of the 7th ACM workshop on Performance evaluation of wireless ad hoc, sensor, and ubiquitous networks
Year:
2010

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Abstract

Simulation results can only approximate testbed ones but, at the best of our knowledge, only very few papers such as [11, 8, 12, 15] studied the reliability of simulators. In this work, we used the results of some experiments on Motelab [9] testbed as a baseline to evaluate the accuracy of NS-2 [3] and Castalia [10] simulators. Our results show that the use of simulators in default configurations may produce unreliable results in the considered scenario, but a simple tuning can significantly increase accuracy.