Large V2X real-world field test started in France

Large V2X real-world field test started in France

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In the SCOOP project, scientists and industry partners are testing vehicle-to-vehicle and vehicle-to-infrastructure (V2X) communications in real-world traffic. The project is a pilot for the public deployment of cooperative intelligent transportation systems. Participants are, among others, car makers PSA and Renault; the latter is contributing 1000 passenger cars.
By Christoph Hammerschmidt

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The EU-funded SCOOP project is designed to facilitate trials of future vehicle-to-vehicle (V2V) and vehicle-to-infrastructure project (V2X) connectivity solutions under real-world driving conditions. It is carried out alongside a range of partners in France, including the French Ministry for the Ecological and Inclusive Transition, regional authorities, infrastructure operators, universities and research centres. Groupe Renault is working with SCOOP to test new technology on its Renault Megane vehicles and is in the process of recruiting fleet partners to be part of the project.

The fleet of SCOOP-enabled vehicles uses technology which will be fitted to tomorrow’s autonomous, connected cars. This includes sensors and computers that gather and analyse vehicle data such as speed, steering wheel angle, possible tyre grip problems in relation to the weather, windscreen wiper operation and deployment of airbags. If a problem is detected, the car’s on-board computer automatically sends a warning message to likewise equipped vehicles and to roadside units positioned along motorways. These units then notify emergency services if a major incident is detected. In the pre-deployment phase, the units will be installed along 2,000 kilometres of roads in the greater Paris region, along the A4 motorway, in the Isère department in eastern France and on the Bordeaux ring road and in Brittany.


The on-board computer, which issues the warning messages, uses a high-performance wireless communication protocol that harnesses latest-generation ITS G5 technology (Intelligent Transportation Systems), operating on a dedicated frequency (5.9GHz). These systems have been developed for moving objects and offer a range of up to 1,000 metres. The protocol verifies the authenticity of each message and operates in real time to avoid any collisions. It also guarantees that data is processed and held anonymously to protect users’ privacy. In a second phase, new services will be specified and a hybrid ITS G5/cellular technology will be developed.

Communication channels in the
SCOOP project (Source: SCOOP)

The system differentiates two types of messages: Those that are intended to be broadcast in a relevant geographical zone and that do not identify the receiver in advance (every ITS station in this zone is likely to be a receiver of the message). This broadcast mode can be assigned to a precise or undefined geographical zone. And, second, those that are addressed to a pre-defined recipient. This “unicast” mode (point-to-point) is mainly deployed by other protocols than the ITS G5 one.

Two main WLAN ITS G5 cooperative message types are used to realize the SCOOP use cases: the CAM (Cooperative Awareness Message) and DENM (Decentralized Environmental Notification Message). These messages could also be generated by the road operator’s traffic management system (TMS) and transmitted through the roadside units ITSS-R.

 

The project cooperates with similar field tests in Austria, Germany and The Netherlands.

Related articles:

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Poll: digital industry, users favor mandatory V2X functionality

Continental, NTT Docomo bring 5G to V2X and infotainment

Will spar over RF standards endanger V2X roll-out?

 

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