Updated: Nov 23, 2020
On January 22, 2020, Audi, Qualcomm, and the Virginia Department of Transportation announced the deployment of a new C-V2X (Cellular Vehicle to Everything) in Northern Virginia. According to the announcement, this deployment will include warnings that alert cars to work zones as well as signal phase and timing (SPaT) to provide cars with a countdown from red to green lights.
Chairman Ajit Pai favorably commented on this announcement, stating that this technology is promising, as it enables communication between cars, infrastructure, pedestrians, cyclists, and road workers. Additionally, he commented on a proposal to designate a portion of the 5.9 GHz band to this technology, stating: "Today’s C-V2X deployment announcement was only made possible through an experimental license. That’s because the current rules governing the 5.9 GHz band lock us into DSRC, a technology authorized by the FCC more than twenty years ago that has never been widely deployed. The FCC recognizes the promise of C-V2X, having voted unanimously in December on a proposal to designate 20 megahertz for its deployment in the 5.9 GHz band. If this proposal is adopted, it would be a significant step forward for automotive safety, since there is currently no spectrum designated for C-V2X. Americans on the move would be the beneficiaries—but only if the FCC takes action and leaves the failed status quo behind." C-V2X is divided into four separate communications categories:
V2V Communication: supports safety systems with collision-avoidance capabilities
V2I Communication: controls emissions, reduces congestion, and aids in other safety-related applications
V2P Communication: allows cars to see other people and send alerts to drivers and pedestrians via smartphone applications
V2C Communication: supports cloud-based security, information, and entertainment.
C-V2X is a step forward in the world of IoT, where all devices are connected, operations are more efficient, and people's safety is more effectively handled.