Validation of the GSM radio interface signalling protocols-selected studies

摘要

Selected results of the validation of the GSM (Groupe Special Mobile) radio interface signaling protocol are presented. During this process, specification errors have been detected and corrected. The simulations also contribute to the optimization of the signaling protocols. Points of interest are the random access procedures on common control channels, transitions among the various types of signaling channels, the signaling delay of signaling procedures due to varying transmission conditions and traffic flow. Selected aspects of overload control are studied. Experience showed that simulation is a very valuable supplement for the specification process.