Abstract
V2X communication plays an important role in the transition towards connected, cooperative, automated driving. Wireless communication enables instant information exchange between vehicles (V2V) to support, e.g., platooning, and between the infrastructure and vehicles (I2V) to inform vehicles on, e.g., the local speed limit information or the approach of an accident location. In the Horizon 2020 HEADSTART project, we have shown how to test V2V communication in a scenario-based safety assessment framework. Safety assessment aims to determine the impact on safety in the case of potentially critical scenarios, e.g., due to, or in parallel to deterioration of communication. In this study, we extend this methodology with the incorporation of I2V communication. The developed method allows us to treat V2V and I2V communication independently. We demonstrate the method in the use case of an Intelligent Speed Adaptation I2V-functionality for platooning trucks. The practical implementation of test descriptions that consider the potential deterioration of communication signals in the standardized OpenSCENARIO format is shown. The study illustrates how tests are performed in a hardware-in-the-loop setup specifically developed for testing platooning functions. The availability of a test method that is capable of dealing with V2X communication is an important step towards the implementation of type approval methods for Cooperative, Connected and Automated Mobility (CCAM) systems.
Highlights
With I2V connectivity technically part of the use case, we identify the level of support expected from the digital infrastructure surrounding the platooning vehicles
Evaluation will focus on I2V communication performance with respect to availability, reliability, latency, correctness and timing of actual In-Vehicle Information (IVI) information provided to the vehicles
V2V communication in the safety assessment of platooning trucks, in this paper, we have focused on the addition of I2V communication, in which information transmitted from the roadside is considered in the decision and control logic of the vehicles that are capable to receive such information
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. For higher levels of automation, connectivity of vehicles to Intelligent Transport Systems (C-ITS) services through I2V communication is considered an important added value This form of digitalization allows direct information exchange with the vehicle’s automation system, e.g., regarding locally applicable speed limits, the presence of roadworks, or the location of an incident [9]. This cooperative element is expected to significantly improve road safety, traffic efficiency and comfort of driving, by supporting the driver to make the right decisions and adapt to the traffic situation.
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