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The IEEE802.11p standard describes a protocol for car-to-X and mainly for car-to-car-communication. It has found its place in hardware and firmware implementations and is currently tested in various field tests. In the research project Ko-TAG, which is part of the research initiative Ko-FAS, cooperative sensor technology is developed and its benefit for traffic safety applications is evaluated. A secondary radar principle based on communication signals enables localization of objects with simultaneous data transmission. It mainly concentrates on the detection of pedestrians and other vulnerable road users (VRU), but also supports pre crash safety applications. The Ko-TAG proposal enriches the current IEEE802.11p real-time characteristics needed for precise time-of-flight real-time localization. This contribution describes the development of a subsystem, which extends the functionality of IEEE802.11p and fits into the regulatory schemes. It discusses the approach for definition and verification of the protocol design, while maintaining the close coexistence with existing IEEE802.11p subsystems. System simulations were performed and hardware was implemented. The next step will be field measurements to verify the simulation results.
Der erste Shell Eco-Marathon in Deutschland fand 2009 auf dem Euro-Speedway Lausitzring statt. Mehr als 2500 Studenten aus 29 Länder haben in zwei Kategorien, Prototype und Urban Concept, um den Titel des sparsamsten Fahrzeugs gekämpft. Nach den Erfahrungen aus Nogaro in Frankreich war das Offenburger MITeam fest entschlossen, diese Ereignisse live ins Internet zu senden. Doch es kam anders. Bedingt durch die limitierte Teamstärke und Internetbandbreite wurde aus der Live-Sendung eine unabhängige Berichterstattung. So ging die Webseite www.eco-marathon.de nach einer Rundumüberholung mit neuem Design wieder online. Täglich wurden Spots vom Event produziert und ins Internet gestellt. Die Arbeit des MI-Teams kann unter der oben erwähnten Webseite verfolgt werden.