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The GSM-R system, which is not yet fully implemented in Hungary, will undoubtedly bring about significant changes to the Hungarian railway. These changes give rise to numerous questions - even to specialists - in connection with its future operation. The purpose of this article is to give an overview on the present state of the implementation of the system,(More)
The prompt availability of location information is very important in emergency situations (e.g. accidents, natural or technological disasters etc), when people need help immediately. The precise identification of the caller’s position in a mobile network is the foundation of rescue operations. The paper presents technical questions and some solutions in the(More)
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