Model complexity vs. better parameter value estimation: comparing four topography-independent radio models

Authors:
Jochen Koberstein;Sören Witt;Norbert Luttenberger
Affiliations:
University of Kiel, Germany;University of Kiel, Germany;University of Kiel, Germany
Venue:
Proceedings of the 2nd International Conference on Simulation Tools and Techniques
Year:
2009

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Abstract

In this case study we show how four topography-independent radio models (models not regarding individual obstacles in the operations area) can be "tuned" such that the outcomes of an event-driven network simulator come as close as possible to reference data obtained in a real-world radio network experiment. An evolutionary optimization process was applied to find near optimal parameter values four these models. We describe the optimization process, the error function that guides it and discuss the results.