Tobias Frankiewicz

Reliable Information Aggregation and Exchange for Autonomous Vehicles

The Stadtpilot project develops a vehicular technology targeting autonomous driving in metropolitan areas. Currently, demonstrations focus on the German city of Braunschweig. These activities are further supported by the AIM test bed, which provides communication infrastructure along Braunschweigs inner ring road. Besides communication capabilities, an autonomous vehicle needs to have a complete, consistent and correct understanding about its surroundings to enable safe driving. For this purpose, this paper presents a novel approach for information aggregation and exchange through a context model tailored for urban environments. Furthermore, integration of C2X hardware into the existing traffic infrastructure is shown.

Measurement and evaluation of communication parameters on a Vehicle-to-infrastructure communication test site

The German Aerospace Center (DLR) operates a test field for cooperative ITS systems using Vehicle-to-X communication. Since a long-term operation is planned several periodic measurements and test drives have to be taken and the measurement data has to be evaluated. A measurement platform for automated data acquisition and a software for automatically generating evaluations are introduced here. Exemplary measurement data was captured. The evaluation results are presented and briefly discussed.

An approach for measuring V2X infrastructure communication coverage and signal quality

Many novel cooperative ITS systems are based on Vehicle-to-X communication. Cooperative road side infrastructure for development and test of applications is installed by several research projects. This paper describes an approach for measuring the achievable communication distances around an ITS Roadside Station as well as for post processing and visualizing the data. With these measurement results it is also possible to monitor changes of the communication distances due to hardware aging or environmental aspects.

5G enabled cooperative collision avoidance: System design and field test

We explore the feasibility of 5G for enhancing cooperative automated driving. A V2X solution for enhancing road safety through connected cars based on 5G radio technology is shown. Based on a flexible, re-configurable software defined radio test-bed, we examine the benefit of ultra low latency and high reliability (URLLC) profile for enhanced emergency brake maneuver. This use case reveals the advantages and additional requirements of using 5G for automated emergency braking based on vehicle-to-vehicle communication. We analyze the impact of communication latency and reliability on the maneuver performance and associated safety aspect. The results provide insights into the joint-design of a V2X communication system for enhancing road safety through cooperative automated driving.