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I studied Computer Engineering (Bachelor, training at IBM, 1990) at the Berufsakademie Stuttgart, Mathematics and Computer Science (Bachelor, 1992) at the FernUniversität Hagen, and Mathematics and Philosophy (Master, 1995) at the Universität Heidelberg. For the academic year 1994/1995, I had been at the University of Illinois at Urbana-Champaign as exchange student.
In 1995 I joined ZIB as a research staff member and Ph.D. student. My
focus over the past years has primarily been on GSM
frequency assignment. My Ph.D. thesis on
Frequency Assignment in GSM Networks: Models, Heuristics, and Lower
Bounds earned me a shared first place in the 2002 INFORMS
Telecommunications Dissertation Competition and a Gesellschaft für Operations Research
(GOR) Dissertationspreis, also in 2002.
Spin-Off: atesio
atesio is a ZIB spin-off company
that was established by Andreas
Bley, Thorsten Koch, Roland Wessäly, and myself
in June 2000. Roland Wessäly and I are since then heading the
company. atesio is specialized on planning and optimization
services for telecommunications networks based on mathematical
modelling and optimization. The company offers consulting services
ranging from operational network optimization to strategic decisions
support for network operators. Furthermore, atesio develops
custom-made software for the telecommunications industry.
DFG Research Center Matheon
I am a member of the DFG Research
Center Matheon
"Mathematics for key technologies: Modelling, simulation, and
optimization of real-world processes". Martin Grötschel and I
jointly head the project B4
"Optimization in telecommunication: Planning the UMTS radio
interface". The project develops techniques for UMTS radio network
evaluation and optimization. The guiding principle is to address the
needs in practice with the tools of modern mathematics. The project
team co-authored three chapters in the book Understanding
UMTS Radio Network Modelling, Planning and Automated Optimisation:
Theory and Practice.
Projects