5G • 5G-Advanced (Rel-18)
Automated Vehicle Platooning
High-Density Cooperative Truck Platooning over 5G-Advanced
Cooperative driving protocol allowing a convoy of commercial trucks to travel inches apart at highway speeds, slinging aerodynamic drag and fuel use.
Technical Explanation
Commercial freight trucks save up to 20% in fuel by drafting closely behind lead vehicles, but human reaction times cannot prevent rear-end collisions at 1-meter gaps. Rel-18 Platooning uses 5G Sidelink to share acceleration, braking, and steering telemetry instantaneously (sub-2 ms), allowing trailing trucks to brake automatically in lockstep with the lead truck.
Key Functions
- Synchronizes acceleration and braking across truck convoys with sub-2 ms latency
- Allows commercial freight trucks to draft safely at high speeds with 1-meter gap spacing
- Reduces commercial highway freight fuel consumption and carbon emissions by up to 20%
- Implements automated fail-safe separation protocols if radio packet delivery degrades
Specifications
3GPP TS 22.186, TS 38.300 (Rel-18)
Interfaces
PC5 (Platooning V2X)
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