GSM (Global System for Mobile Communication) is currently used in more than 100 countries for mobile telephony and its application is steadily increasing in a variety of different areas. Comprehensively revised and updated, this second edition of a highly successful text incorporates the latest advances in the field. New features include:? Completely revised and expanded chapter "GSM - What next?"? New chapter on General Packet Radio Service (GPRS)? Expanded section on UMTS? Updated chapters on Logical Channels and Channel CodingTaking an instructive approach to the topic, the authors focus on the fundamentals of mobile radio systems, covering the standards and protocols extensively, and provide an excellent introduction to this rapidly evolving topic, from GSM radio transmission through to international roaming to mobile data services and network management.Offering broad coverage of this leading edge topic, this text would prove to be a valuable reference resource for telecommunications engineers, researchers and developers; senior undergraduates and postgraduate students of telecommunications.