Audi of America, Qualcomm announce initial C-V2X deployment

January 22, 2020 //By Christoph Hammerschmidt
Audi of America, Qualcomm announce initial C-V2X deployment
Along with consortium partners Qualcomm Technologies and the Virginia Department of Transportation (VDOT), Audi of America has announced plans for initial deployments of Cellular Vehicle-to-Everything (C-V2X) communication. Unlike the alternative DSRC technology, C-V2X allows V2X applications to be integrated into mobile networks. However, the C-V2X standardization of is not yet complete.

The initial deployment takes place on select roadways in northern Virginia, employing advanced wireless communications to enhance vehicle safety by using the 5.9 GHz band. In line with the Federal Department of Transportation’s announcement to establish a First Responder Safety Pilot Program, the organizations’ combined efforts are designed to focus on improving safety for construction workers and motorists alike.  The deployment is expected to start in the third quarter of 2020.

Unique properties of basic C-V2X will be used to deliver work zone warnings on highways as well as signal timing information on approaches to signalized intersections on arterial roadways. In both cases, C-V2X communications can help deliver critical safety messages between vehicles and infrastructure with minimal latency, while less time-sensitive alerts are designed to be provided via C-V2X using the cellular network.

The initial deployments are aimed at expanding safety use cases in the vital connected vehicle safety spectrum established by the FCC, with the aim to curtail road hazards and fatalities.

This initial deployment is designed for connected car systems designed to boost safety around school buses, warn motorists about dangerous road conditions, alleviate congestion at traffic chokepoints, improve the performance of automated vehicles that are nearing commercialization and even potentially let cars communicate with mobile devices to send warnings that may one day help prevent pedestrian fatalities.

The northern Virginia initial deployment is designed to involve two primary use cases:

Work zone warnings, which the organizations feel is an important use case on highways, featuring a Qualcomm 9150 C-V2X chipset solution via an in-vehicle display in Audi Q8 SUVs designed to deliver a graduated warning, with the last link being a low-latency, reliable warning to drivers of the workers’ physical presence.

On arterial roadways, the signal phase and timing (SpaT) from a traffic signal, will be transmitted with a Qualcomm 9150 C-V2X chipset solution to Audi Q8 SUVs. These vehicles have the Audi Traffic Light Information (TLI) service that can provide drivers a countdown to the green light. C-V2X from the traffic signal can also provide direct information to the Audi Q8, which will be used by the TLI system to fine-tune the countdown information of the signal phase and timing.


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