Generation of realistic 802.11 interferences in the Omnet++ INET framework based on real traffic measurements

Authors:
Juan-Carlos Maureira;Olivier Dalle;Diego Dujovne
Affiliations:
Univ. Nice Sophia, France, Sophia Antipolis Cedex, France;Univ. Nice Sophia, France, Sophia Antipolis Cedex, France;INRIA Sophia Antipolis Méediterrannée
Venue:
Proceedings of the 2nd International Conference on Simulation Tools and Techniques
Year:
2009

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Abstract

Realistic simulation of 802.11 traffic subject to high interference, for example in dense urban areas, is still an open issue. Many studies do not address the interference problem properly. In this paper, we present our preliminary work on a method to recreate interference traffic from real measurements. The method consists in capturing real traffic traces and generating interference patterns based on the recorded information. Furthermore, we assume that the coordinates of the sources of interference in the real scene are not known a priori. We introduce an extension to Omnet++ INET-Framework to replay the recreated interference in a transparent way into a simulation. We validate our proposed method by comparing it against the real measurements taken from the scene. Furthermore we present an evaluation of how the injected interference affects the simulated results on three arbitrary simulated scenarios.