this book sets out to provide state-of-the art advice on quality of service (qos) and quality of experience (qoe) in universal mobile telecommunications (umts) networks. the approach is comprehensive, tackling mobile service planning, provisioning, performance monitoring and optimization issues in a single, accessible resource. there includes a detailed discussion on application services, qos differentiation in radio access networks and mechanisms in packet core and backbone networks. from here, service-planning issues are dealt with, including egprs and wcdma, before turning to two detailed chapters covering monitoring and provisioning issues respectively. there is also a broad analysis of the objectives, concepts, algorithms and tools for service optimization. all points are illustrated with numerous real-world practical examples taken from the editors ` extensive experience in the field of umts qos and qoe.