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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Model of the Network Physical Layer for Modern Wireless Systems
verfasst von : Maciej Wrobel, Slawomir Nowak
Erschienen in: Internet - Technical Developments and Applications 2
Verlag: Springer Berlin Heidelberg
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Based on the physical layer model, developed and adopted for discrete event simulators, the preliminary evaluations of the effectiveness of the model, considering the accuracy of the simulation, are presented. We review role of the propagation model, interference model and importance of the mobility of the nodes. We believe that it is important to support decisions of choosing relevant model in discrete events simulations (DES). Such research are important especially in parallel simulations (PDES), because high memory consuming simulations, on the one hand, may lead to high communication overhead and, on the other hand, may be impossible within resources available on one computational node, and therefore may have to be distributed over parallel environment. We assume, that properly developed model (of chosen PHY aspects) in combination with dedicated synchronization method could have strong impact on the performance of the parallel simulation. In the paper we present results of selected efficiency analysis.