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This tutorial provides an introduction to basic GSM concepts, specifications, networks, and services. A short history of network evolution is provided in order set the context for …

3 algorithms specified in GSM A3 for authentication (“secret”, open interface) A5 for encryption (standardized) A8 for key generation (“secret”, open interface)

What is GSM ? Global System for Mobile (GSM) is a second generation cellular standard developed to cater voice services and data delivery using digital modulation.

GSM/DCS adopts a speech encoder able to transmit voice with a data rate of 13 kb/s, ensuring at the same time a voice quality similar to the ETACS standard high robustness against …

GSM is the most popular 2G technology and still the most popular technology ~ 70% of phones worldwide are GSM only or GSM compatible has more users than all other technologies …

GSM network is a public land mobile network (PLMN). Other types of PLMN are the time division multiple access (TDMA) network or code division multiple access (CDMA) network.