This book sets out to evaluate existing wireless network technology, providing a step-by-step method to evolve current systems so as to enhance and optimize their future performance. The approach is logical and comprehensive, beginning with a discussion on voice and data traffic and demographics, followed by a wide-ranging analysis of all the relevant technologies: Global System for Mobile Communication (GSM), General Packet Radio Services (GPRS), Enhanced Data GSM Environment (EDGE), Code-Division Multiple Access (CDMA) and Universal Mobile Telecommunications Service (UMTS).