CSSE Seminar Series (CSSESS)

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Traffic-safety applications relying on vehicular communications are currently being considered by several research projects worldwide. An important question is if existing wireless technologies can meet the communication requirements from this emerging field of applications? Part of the answer to this question is that the communication requirements depend on what is actually communicated and how this information is used by and presented to the driver. Depending on the type of data traffic used by a particular application, e.g., hazard warnings or periodic position messages, the communication requirements in terms of reliability and delay differ quite considerably. Further, the level of autonomy given to the application that uses the communicated information also affects the communication requirements. This talk presents ongoing standardization efforts on vehicular communications and discusses the communication requirements of some typical traffic-safety applications. Finally, the particular challenges of the medium access control method when used for traffic-safety in vehicular ad hoc networks are pointed out.

Dr. Elisabeth Uhlemann is an associate professor in Communications Systems at CERES (Centre for Research on Embedded Systems) in Halmstad University, Sweden. Since March 2009, she is located in Västerås, Sweden, collaborating with Mälardalen University and ABB on reliable real-time communications for industrial embedded systems. Dr. Uhlemann received her PhD degree in Communications Theory from Chalmers University of Technology, Gothenburg, Sweden, in 2004. She has held visiting positions at the University of South Australia in 2005 and the Technical University of Berlin in 2007. She has also worked as a consultant at Ikanos Communications, CA, USA, in 2005 with VDSL protocols and at Free2move, Sweden, during 2009-2010 with wireless audio.

Since 2004, she has conducted research in close collaboration with Volvo Technology, where she has been involved in several European projects studying communication requirements for traffic-safety applications in vehicular networks. She has contributed to the European ITS communications architecture document produced within COMeSafety and she participates actively in standardization within ETSI TC ITS. Her research interests include channel coding, iterative techniques, diversity, incremental redundancy, real-time constraints, MAC methods, industrial and vehicular communications.

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