Abstract
Sensor data sharing in V2X communication enables vehicles to exchange locally perceived sensor data with each other to increase their environmental awareness. It relies on the periodic exchange of selected, safety-relevant objects. Object selection is used to reduce channel resource usage. Additionally, vehicles use congestion control mechanisms to avoid overloading the channel. Currently, both object selection and congestion control mechanisms operate independently. We study a congestion-aware object filtering approach combining both and improving the performance of sensor data sharing.
Zusammenfassung
Die Übertragung von Sensordaten mit V2X-Kommunikation ermöglicht Fahrzeugen, lokale Umgebungsinformationen auszutauschen, um die Wahrnehmungsreichweite zu erhöhen. Der Sensordatenaustausch basiert auf der periodischen Übertragung sicherheitsrelevanter Objekte. Dabei wird die Anzahl der Objekte reduziert, um die Datenlast zu verringern. Zusätzlich steuern Mechanismen die Datenlast um eine Überlast zu vermeiden. Bisher arbeiten die Objektauswahl und die Datenüberlaststeuerung unab-hängig voneinander. Wir untersuchen einen kombinierten Ansatz zur Objektfilterung, der die Performanz des Sensordatenaustauschs verbessert.
About the authors
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Quentin Delooz works as a researcher at CARISSMA, Ingolstadt, Germany, and is pursuing a Ph.D. degree at Halmstad University, Sweden. He received his B.S. and M.Eng. degrees in computer systems and networks from the University of Liège, Belgium, in 2016 and 2018, respectively. His current research interests include communications for vehicle safety with a particular focus on sensor data sharing.
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Alexey Vinel is a professor at the Karlsruhe Institute of Technology (KIT), Germany. Previously he was a professor at the University of Passau, Germany. Since 2015, he has been a professor at Halmstad University, Sweden. He received the Ph.D. degree from the Tampere University of Technology, Finland in 2013. He has been the Senior Member of the IEEE since 2012. His areas of interests include wireless communications, vehicular networking, and cooperative autonomous driving.
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Andreas Festag is a professor at the Technische Hochschule Ingolstadt at CARISSMA. He received a Ph.D. in 2003 in Electrical Engineering from the Technical University Berlin. As researcher, he worked with the Telecommunication Networks Group (TKN) at Technical University Berlin, Heinrich-Hertz-Institute (HHI) in Berlin, NEC Laboratories in Heidelberg, Vodafone chair Mobile Communication Systems at Technical University Dresden and Fraunhofer Institute for Transportation and Infrastructure Systems (IVI). His research is concerned with architecture, design and performance evaluation of wireless and mobile communication systems and protocols, with a focus on vehicular communication and cooperative Intelligent Transportation Systems (ITS). He actively contributes to European standardization in ITS.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This work was gratefully supported by the German Science Foundation (DFG) by project KOALA 2 under number 273374642 within the priority program Cooperatively Interacting Automobiles (CoIn-Car, SPP 1835). Karlsruhe Institute of Technology also acknowledges the support from Helmholtz Program “Engineering Digital Futures”.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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