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Abstract:A dynamic UMTS system level simulator has been designed and implemented in Windows NT/2000 environment using Visual C++. The objective has been to design and implement such a simulator that can be used to create and study different traffic load scenarios and resource management techniques for tackling congestion situations.An UMTS system level simulator that is comprehensive and flexible and takes into consideration 3GPP recommendations is presented in this paper. It contains very detailed models of many important UMTS features. Simulator features designed for creating different load situations in the network are described. Furthermore, a congestion/admission control framework for UMTS is presented. Finally, simulation results illustrating the congestion causation features and congestion detection are shown.

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