UMTS Performance Measurement: A Practical Guide to KPIs for the UTRAN Environment

Ralf Kreher works as a Senior Software Architect for Tektronix’ Mobile Protocol Test (MPT) business with a focus on UMTS Performance Measurement and Key Performance Indicator (KPI) implementation. Before joining the engineering department he led the MPT Customer Training Department for almost four years, being responsible for a world-class seminar portfolio for mobile technologies and measurement products.  Kreher holds a Communication Engineering Degree of the University of Applied Science, Deutsche Telekom Leipzig and is the author of the book "UMTS Signaling" (2005, John Wiley & Sons, Ltd.).   Ralf Kreher currently resides in Germany.