Jens B. Schmitt
  Address   DISCO | Distributed Computer Systems Lab
Computer Science Department
University of Kaiserslautern
PO box 3049, 67663 Kaiserslautern, Germany
  Phone   +49.631.205.3288
  Fax   +49.631.205.3289
  E-mail   This email address is being protected from spambots. You need JavaScript enabled to view it.
  Location   Building 36, room 429

Research Interests

My research interests are quite diverse as long as it has to do with networks and distributed systems. In general, I like quantitative research problems, which can be stated in a well-defined mathematical manner. However, I also fancy experimental work alongside with measurements.

Lately, I have been focussing on two main themes in distributed and networked systems: performance and security.

For performance, I put a lot of effort into the network calculus methodology, as I believe it to have a great potential to find the right tradeoff between mathematical complexity and providing insights.

In security, we focused on wireless networks. As the physical layer in wireless networks brings about the biggest challenges for security solutions, we made several efforts to assess those and provide countermeasures or even leverage from the wireless characteristics.

Here, I provide a partial list of recent research topics (more details can be found in the selected publications below)

  • Performance Modeling, Analysis, and Control of Complex Distributed Systems
    • introduction of the scaling element in network calculus (deterministic and stochastic)
  • Provisioning of Network Quality of Service
    • general development of the network calculus (deterministic and stochastic) as well as tool support
  • Modeling of Wireless Sensor Networks
    • development of the sensor network calculus and application in design and control problems
  • Internet Reloaded
    • analysis of caching networks
    • network neutrality as a system challenge
  • Physical-Layer Security in Wireless Networks
    • security solutions leveraging from the wireless characteristics, e.g. key extraction
    • aviation security
  • Reactive Jamming in Wireless Networks
    • experimental work with software-defined radios (USRP2, Sora)

Selected Recent Publications

  1. Matthias Schäfer, VIncent Lenders, Jens Schmitt. Secure Track Verification. In IEEE Symposium on Security and Privacy (S&P '15), 2015.
  2. Steffen Bondorf, Jens Schmitt. Boosting Sensor Network calculus by Thoroughly Bounding Cross-Traffic. In 34th IEEE International Conference on Computer Communications (INFOCOM 2015), 2015.
  3. Matthias Wilhelm, Vincent Lenders, Jens Schmitt. On the Reception of Concurrent Transmissions in Wireless Sensor Networks. In IEEE Transactions on Wireless Communications, volume 13, 2014.
  4. Michael Spuhler, Domenico Giustiniano, Vincent Lenders, Matthias Wilhelm, Jens Schmitt. Detection of Reactive Jamming in DSSS-based Wireless Communications, In IEEE Transactions on Wireless Communications, volume 13, 2014. 

  5. Daniel S. Berger, Martin Karsten, Jens Schmitt. On the Relevance of Adversarial Queueing Theory in Practice, In The 2014 ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS), ACM, 2014.
  6. Daniel S. Berger, Francesco Gringoli, Nicol`o Facchi, Ivan Martinovic, Jens Schmitt. Gaining Insight on Friendly Jamming in a Real-world IEEE 802.11 Network, In Proceedings of the 2014 ACM Conference on Security and Privacy in Wireless & Mobile Networks (WiSec), ACM, 2014. (Best Student Paper Award)
  7. Florin Ciucu, Jens Schmitt. On the Catalyzing Effect of Randomness on the Per-Flow Throughput in Wireless Networks, In The 33rd IEEE International Conference on Computer Communications (INFOCOM 2014), 2014.
  8. Florin Ciucu, Felix Poloczek, Jens Schmitt. Sharp Per-Flow Delay Bounds for Bursty Arrivals: The Case of FIFO, SP, and EDF Scheduling, In The 33rd IEEE International Conference on Computer Communications (INFOCOM 2014), 2014.
  9. Michael A. Beck, Sebastian A. Henningsen, Simon B. Birnbach, Jens Schmitt. Towards a Statistical Network Calculus - Dealing with Uncertainty in Arrivals, In The 33rd IEEE International Conference on Computer Communications (INFOCOM 2014), 2014.
  10. Matthias Wilhelm, Ivan Martinovic, Jens Schmitt. Secure Key Generation in Sensor Networks Based on Frequency-selective Channels, In IEEE Journal on Selected Areas in Communications (JSAC), volume 31, 2013.
  11. Florin Ciucu, Jens B. Schmitt. Perspectives on Network Calculus – No Free Lunch, But Still Good Value. In Proceedings of the ACM SIGCOMM 2012 Conference on Applications, Technologies, Architectures, and Protocols for Computer Communications (SIGCOMM '12), pages 311–322, New York, NY, USA, August 2012. ACM.
  12. Jens B. Schmitt, Nicos Gollan, Steffen Bondorf, and Ivan Martinovic. Pay Bursts Only Once Holds for (Some) Non-FIFO Systems. In The 30th IEEE International Conference on Computer Communications (INFOCOM 2011), Shanghai, China, April 2011.
  13. Florin Ciucu, Jens B. Schmitt, and Hao Wang. On Expressing Networks with Flow Transformations in Convolution-Form. In The 30th IEEE International Conference on Computer Communications (INFOCOM 2011), Shanghai, China, April 2011.
  14. Ivan Martinovic, Paul Pichota, and Jens B. Schmitt. Jamming for Good: A Fresh Approach to Authentic Communication in WSNs. In Proceedings of the ACM Conference on Wireless Network Security (WiSec 2009), pages 161–168, Zurich, Switzerland, March 2009. ACM Press.
  15. Jens B. Schmitt, Frank A. Zdarsky, and Markus Fidler. Delay Bounds under Arbitrary Multiplexing: When Network Calculus Leaves You in the Lurch .... In 27th IEEE International Conference on Computer Communications (INFOCOM 2008), Phoenix, AZ, USA, April 2008.
  16. Ivan Martinovic, Frank A. Zdarsky, Matthias Wilhelm, Christian Wegmann, and Jens B. Schmitt.Wireless Client Puzzles in IEEE 802.11 Networks: Security by Wireless. In Proceedings of the ACM Conference on Wireless Network Security (WiSec 2008), pages 36–45, Alexandria, VA, USA, March 2008. ACM Press.

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