This book explores the future of mobile communications networks given the increasing demands for services and higher quality, as well as the continued growth in the cellular mobile marketplace and the new private mobile radio systems. These demands will impact on the developments that are likely to occur in the near future which will continue to drive forward the technological capabilities.This book investigates the implications of increasing mobile customer numbers on a global scale and the convergence of mobile and the internet, which, it is envisaged, will provide the next massive growth burst to the mobile market and 3G networks. It will be essential reading for communications engineers and managers who need to understand the expanding market expectations and the technological solutions available in this dynamic field.