G. Wang, D. Turgut, L. Bölöni, and D. Marinescu. Time-Parallel Simulation of Wireless Ad Hoc Networks. Accepted for publication at ACM/Springer Journal of Wireless Networks (WINET), 2007.
In this paper, we study time-parallel simulation of wireless networks based upon the concept of the perturbation induced by a networking event and present a layer-by-layer analysis of the impact of perturbations on the wireless network. This analysis allows us to propose several methods to improve the accuracy of time-parallel simulation. We describe an implementation based on the widely used ns-2 simulator and on the iterative extension of the warmup period. We introduce a method for initial state approximation which can improve the accuracy of the simulation for table-driven ad hoc routing protocols. A series of experiments show that on typical scenarios time-parallel simulation leads to a significant speedup while maintaining a high level of accuracy.
@article{Wang-2007-WINET, author = "G. Wang and D. Turgut and L. B{\"o}l{\"o}ni and D. Marinescu", title = "Time-Parallel Simulation of Wireless Ad Hoc Networks", journal = "Accepted for publication at ACM/Springer Journal of Wireless Networks (WINET)", year = "2007", abstract = { In this paper, we study time-parallel simulation of wireless networks based upon the concept of the perturbation induced by a networking event and present a layer-by-layer analysis of the impact of perturbations on the wireless network. This analysis allows us to propose several methods to improve the accuracy of time-parallel simulation. We describe an implementation based on the widely used ns-2 simulator and on the iterative extension of the warmup period. We introduce a method for initial state approximation which can improve the accuracy of the simulation for table-driven ad hoc routing protocols. A series of experiments show that on typical scenarios time-parallel simulation leads to a significant speedup while maintaining a high level of accuracy. } , }
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