Klaus Wehrle (Professor)

Klaus Wehrle, Dr.-Ing., Professor





RWTH Aachen University
Chair of Communication and Distributed Systems (COMSYS, Informatik 4) 
Ahornstraße 55, building E3, office 9011
D-52074 Aachen / Germany

Phone: (+49) 241/80-21402, Fax: (+49) 241/80-22222
Email: wehrle <at> comsys.rwth-aachen.de





Email / Exam Policy

Email / Exam Policy


Exam Dates and Procedure:

Dates for oral exams are offered biweekly, every second Wednesday from 3pm till 6pm.

If you plan to do an oral exam, please follow this procedure:

  1. reserve a slot in advance at the COMSYS office (office(at)comsys.rwth-aachen.de) with mentioning your study program and the planned lectures to be examined. We will confirm the combination subsequently. Please download our examination sheet, fill it in, and keep it till you exam date.
  2. confirm the exam slot latest four weeks ahead of your exam at the COMSYS office (office(at)comsys.rwth-aachen.de). but be sure, that you are well prepared for the exam at that time.
  3. if you plan to have an oral exam with two professors, please check first the availability of slots with the ComSys office and then find a joint date with the other examiner. Then book the final date at the ComSys office.
  4. after reserving a slot please register at ZPA (Central Exam Registry, Zentrales Prüfungsamt) for the oral exam! As for all other exams, a registration with ZPA is mandatory before the exam date. Note that on our examination sheet you have to sign that you are registered with ZPA.
  5. bring the examination sheet with you on the exam day, and hand it over to us at the beginning of the exam.

For teaching related emails, please use the following mail address: teaching (at) comsys.rwth-aachen.de If you are looking for a second advisor (Zweitgutachter) for your Bachelor's / Master's thesis, please consult the following website.

For scientific, project or other research/universiy-related purposes,
please use the following address: wehrle (at) comsys.rwth-aachen.de



Klaus Wehrle is professor of Computer Science and head of the Chair of Communication and Distributed Systems (Informatik 4) at RWTH Aachen University, and affiliated researcher at the Fraunhofer Institute FKIE.
Currently, he also serves as acting head of the Computer Science Department of RWTH Aachen University.

He received his Diploma (1999) and PhD (Dr.-Ing., 2002) degrees from University of Karlsruhe (now KIT), both with honors. His doctoral thesis on flexible and scalable quality-of-service mechanisms for the next generation Internet was awarded with the Doctoral Dissertation Award of Südwestmetall Association and the FZI Doctoral Dissertation Award (Research Center for Information Technologie, FZI).

In 2002 and 2003, Klaus was postdoctoral researcher at the International Computer Science Institute at University of California at Berkeley (UCB).
In 2004 he was awarded a DFG Emmy Noether (starting) grant and established a junior research group on Protocol Engineering and Distributed Systems at University of Tübingen. 
In 2006, he joined RWTH Aachen University as associate professor, since 2010 as full professor.

His research activities are focused on (but not limited to) engineering of networking protocols, (formal) methods for protocol engineering and network analysis, network simulation, reliable communication software as well as all operating system issues of networking. 
His research is mainly funded by German Science Foundation (Deutsche Forschungsgemeinschaft, DFG), by the European Research Council (through an ERC CoG and an ERC PoC Grant), the EU, the German government (BMBF, BMWi), the state of NRW and by industrial partners.
Currently, he is co-coordinating the DFG Priority Programme on Cyber-Physical Networking.

He is a member of IEEE, ACM, Sigcomm, GI (German Informatics Society), VDE, and GI/ITG-Fachgruppe KuVS.
He serves as representative for the fields EE and CS in the main evaluation board of Alexander-von-Humboldt Foundation and served as elected representative for communication systems (DFG Fachkollegiat) at the German Science Foundation (DFG). 
Klaus was awarded Junior Researcher of the Year (2007) by the German Association of Professors (Dt. Hochschulverband).
He is member of ACATECH, the German National Academy of Science and Engineering. 





Proceedings of the 23rd ACM Conference on Computer and Communications Security (CCS), Vienna, Austria, page 1769-1771.
Publisher: ACM,
October 2016
ISBN: 978-1-4503-4139-4
Pascal Ackermann, Christian Kohlschein, Jó Agila Bitsch Link, Klaus Wehrle and Sabina Jeschke
2016 IEEE 18th International Conference on e-Health Networking, Applications and Services (Healthcom), page 159--164.
Publisher: IEEE,
September 2016
ISBN: 978-1-5090-3370-6
Paula Glenda Ferrer Cheng, Roann Munoz Ramos, Jó Agila Bitsch Link, Stephan Michael Jonas, Tim Ix, Portia Lynn Quetulio See and Klaus Wehrle
Psychologist in a Pocket: Lexicon Development and Content Validation of a Mobile-Based App for Depression Screening
JMIR Mhealth Uhealth, 4(3):e88
July 2016
ISSN: 2291-5222
Technical Report
Document number: AIB-2016-06
Report Number: arXiv:1607.03239 [cs.NI]
Department of Computer Science, RWTH Aachen University, Ahornstr. 55, 52074 Aachen, Germany
July 2016
Performance Analysis of Cooperative ARQ Systems for Wireless Industrial Networks
17th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (IEEE WoWMoM 2016), Coimbra, Portugal
Publisher: IEEE,
June 2016
Marc Werner, Johannes Schwandtke, Matthias Hollick, Oliver Hohlfeld, Torsten Zimmermann and Klaus Wehrle
STEAN: A Storage and Transformation Engine for Advanced Networking Context
Proceedings of the 15th International IFIP Networking Conference (NETWORKING'16), Vienna, Austira
Publisher: IEEE,
May 2016
ISBN: 978-3-9018-8283-8
Mirko Stoffers, Daniel Schemmel, Oscar Soria Dustmann and Klaus Wehrle
Proceedings of the 4th ACM SIGSIM/PADS Conference on Principles of Advanced Discrete Simulation (SIGSIM-PADS’16), Banff, AB, Canada, page 221-232.
Publisher: ACM, New York, NY
May 2016
Alexander Frömmgen, Tobias Erbshäuser, Torsten Zimmermann, Klaus Wehrle and Alejandro Buchmann
ReMP TCP: Low Latency Multipath TCP
Proceedings of the IEEE International Conference on Communications (ICC 2016), Kuala Lumpur, Malaysia
Publisher: IEEE,
May 2016
ISBN: 978-1-4799-6664-6
Proceedings of the Second International Workshop on Legal and Technical Issues in Cloud Computing and Cloud-Supported Internet of Things (CLaw 2016), co-located with the 2016 IEEE International Conference on Cloud Engineering (IC2E 2016), Berlin, Germany, page 130-135.
Publisher: IEEE,
April 2016
ISBN: 978-1-5090-3684-4
Martin Henze, Lars Hermerschmidt, Daniel Kerpen, Roger Häußling, Bernhard Rumpe and Klaus Wehrle
Future Generation Computer Systems, 56:701-718
March 2016
ISSN: 0167-739X
Andriy Panchenko, Fabian Lanze, Andreas Zinnen, Martin Henze, Jan Pennekamp, Klaus Wehrle and Thomas Engel
Proceedings of the 23rd Annual Network and Distributed System Security Symposium (NDSS '16), February 21-24, 2016, San Diego, CA, USA
Publisher: Internet Society,
February 2016
ISBN: 1-891562-41-X
Parallel Expanded Event Simulation of Tightly Coupled Systems
ACM Transactions on Modeling and Computer Simulation (TOMACS), 26(2):12:1--12:26
January 2016
12th International Conference on Wireless On-demand Network Systems and Services (WONS), Cortina d'Ampezzo, Italy, page 25-32.
Publisher: IEEE,
January 2016
ISBN: 978-3-901882-80-7


14th International Conference on Cryptology and Network Security (CANS 2015), Marrakesh, Morocco Volume 9476of Lecture Notes in Computer Science, page 197-213.
Publisher: Springer,
December 2015
ISBN: 978-3-319-26822-4
Alexander Frömmgen, Tobias Erbshäuser, Torsten Zimmermann, Klaus Wehrle and Alejandro Buchmann
Remp TCP: Low latency Multipath TCP
Proceedings of the 2015 CoNEXT on Student Workshop, CoNEXT Student Workshop, Heidelberg, Germany
Publisher: ACM,
December 2015
IEEE GC 2015 Workshop on Ultra-Low Latency and Ultra-High Reliability in Wireless Communications (GC'15 - ULTRA2), San Diego, USA
Publisher: IEEE,
December 2015
Proceedings of the 18th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems, Cancún, Mexico (MSWiM'15), page 291-300.
Publisher: ACM, New York, NY
November 2015
40th IEEE Conference on Local Computer Networks (LCN), Clearwater Beach, USA, page 19-27.
Publisher: IEEE,
October 2015
ITG-Fachtagung "Zukunft der Netze 2015" – Poster Session, Tübingen, Germany
Publisher: VDE,
September 2015
The 10th DPM International Workshop on Data Privacy Management, Vienna, Austria Volume 9481of Lecture Notes in Computer Science, page 226-234.
Publisher: Springer,
September 2015
ISBN: 978-3-319-29882-5
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A small note for potential applicants

A small note for potential applicants

Please note:

The COMSYS Team is a very open-minded and technology-oriented research group. But we are receiving dozens of (mostly unserious spam-)applications per week. To focus on serious applications, we only accept applications sent in by non-electronic mail. Email applications will neither be processed, nor answered, nor accepted.

Email applications of any kind will be deleted immediately!

If you are seriously considering to apply for a position (researcher, PhD student, teaching assistant, internship, student research assistant) within the COMSYS Team, please spend the small amount of postage for sending your application by postal mail -- you will definitely get an answer. Many thanks for your cooperation!

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