A big change is taking place in smart transportation. On November 21,2024, the Federal Communications Commission (FCC) announced that it adopted the final rules on cellular vehicle for everything (C-V2X) technology, marking a decisive step in the transition from intelligent transportation systems (ITS) to the 5.9 GHz band.
1.What is the C-V2X technology?
C-V2X technology, or cellular Vehicle networking (Cellular Vehicle-to-Everything) technology, is a vehicle wireless vehicle communication technology based on cellular network. It enhances off-sight perception through direct communication between vehicles, roadside infrastructure, and other road users, provides early warning of changing driving conditions, and supports the development of autonomous driving technology. Subdown, C-V2X can be divided into:
lV2V-Vehicle to Vehicle, car-vehicle communication interconnection
lV2I-Vehicle to Infrastructure, communication interconnection between vehicle and roadside facilities (traffic lights, roadside perception, etc.)
lV2P-Vehicle to Pedestrian, cars and pedestrians
lV2N-Vehicle to Network, the communication and interconnection between the vehicle and the cloud platform
2.The main content of the C-V2X technical provisions
1) Promote the effective use of a total of 30 MHz spectrum for the 5.9GHz band ITS dedicated spectrum, and provide substantial traffic safety benefits for the American public.
2) The C-V2X technical parameters are clearly defined, including transmit power and out-of-band leakage limits as well as message priority.
3) It provides the automotive industry with the flexibility to use channels, using three 10 MHz channels alone, or one 20 MHz channel together, or only a single 30 MHz channel.
FCC Chairman Jessica Rosenworcel said: " FCCs efforts in the 5.9 GHz band are a win-win situation. It not only drives innovation in our wireless and transportation economy, but also helps keep us safe on the road as we walk, ride and drive.”
With the promotion and application of C-V2X technology, we are standing on the threshold of the new era of intelligent transportation. FCC This move will not only promote technological innovation, but also bring substantial improvement to public safety. We expect this technology to be popularized as soon as possible to bring a safer and smarter travel experience for all.
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