Parallel simulation environment for mobile wireless networks
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Simulation systems play a major role in the design and evaluation of any experimental wireless network. The goal of this paper is to demonstrate that simulation model architectures affect simulation behavior, concerning network performance metrics, essentially and therefore, the optimal architecture should be investigated in order to achieve the most accurate and reliable results. It is found that the most critical components that determine simulation model performance are simulation time, network event scheduling and grade of concurrency. It is, also, found that simulation time in relation to event occurrence in the real network along with the usage of modern architectural concepts such as multi-threading technology constitute critical issues too in the development of an efficient simulation system for wireless communications. In order to evaluate the above findings an extensive experimental study has been conducted testing several discrete event simulation systems towards presenting the relation between thread modeling selections, simulation time and network performance.