Object-oriented Modeling of a Generic Mobile Radio System for Dynamic System Simulation

The process of developing and enhancing a mobile radio system is a very ambitious task due to the inherent complexity and the manifold dynamics of such networks. Essentially, the problem leads to an analysis of the interferences between radio resources of limited number. Since the problem cannot be solved analytically, comprehensive simulation is a reasonable means to tackle it. Earlier, only selected aspects of mobile radio networks were investigated, neglecting other important features as, e.g., dynamics. Another way to investigate a network’s interference are measurements, which are, however, very expensive and only possible in existing networks. In this paper we introduce a method how a mobile radio system can be modeled for simulation, taking all important phenomena into account. The starting point is an objectoriented analysis that produces a generic class structure. All phenomena that are typical to the target under investigation, i.e. the versatile dynamics and the resources, are represented in this structure. Thus, enhancements of existing networks as well as future system concepts can be tested prior to their introduction. Results with the simulator show that the comprehensive modeling of relevant phenomena as the distinct aspects of dynamics is justified, thus providing much more accurate and expressive values than with a conventional static approach.