EchoRing - Ultra-Reliable Networking for Hard Real-Time Applications, by James Gross, KTH


The upcoming application class of machine-type-communications (MTC) emphasizes novel quality-of-service requirements which have not been addressed by wireless systems so far. This holds in particular for critical monitoring and control tasks, that arise in traffic safety but also in other context like the smart grid or industrial automation. Here, very short latencies of a few milliseconds need to be met at very high reliability levels. This poses two questions: Can wireless systems serve such applications at all, and if so, how do we build such systems?

This talks addresses both aspects. We argue that in principle - by means of cooperation - wireless networks can provide the required level of reliability and latency. However, the major difficulty lies in the precise engineering of the implemented protocol and requires the application of novel tools. In particular, we demonstrate how probabilistic model checking can efficiently guide the development of a prototypical system named EchoRing. EchoRing is implemented ontop of the WARP protoyping environment and we finally discuss its experimental performance with respect to low-latency hard real-time requirements.


James Gross is an Associate Professor with the Electrical Engineering School of KTH Stockholm since November 2012. His general research interests lie in the areas of machine-to-machine communications, algorithms and protocols for wireless networks, and performance evaluation methods. Prior to joining KTH, he was assistant professor and head of the Mobile Network Performance Group at RWTH Aachen University from 2008 - 2012 and member of the DFG-funded UMIC research centre of RWTH. James studied electrical engineering from 1996 to 2001 at TU Berlin and UC San Diego. He received his PhD from TU Berlin in 2006 and worked at TU Berlin as Post-doc in 2007. He has published about 90 (peer-reviewed) papers in international journals and conference papers. His work has been awarded multiple times, among them the best paper awards at IEEE WoWMoM 2009 and at European Wireless 2009.

Tuesday, June 10, 2014, 11:00
SICS, room Knuth
Isafjordsgatan 22
Simon Duquennoy