Ericsson > Case Studies > Ericsson's Cellular Vehicle-to-Everything (C-V2X) Platform

Ericsson's Cellular Vehicle-to-Everything (C-V2X) Platform

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 Ericsson's Cellular Vehicle-to-Everything (C-V2X) Platform - IoT ONE Case Study
Technology Category
  • Networks & Connectivity - Cellular
Applicable Industries
  • Automotive
  • Transportation
Use Cases
  • Vehicle Telematics
The Customer
About The Customer


Australian telecommunications company


The Challenge

Future Vehicle Technology Manager at the Victorian Department of Transport (formerly VicRoads), explains that “human error is a significant contributor to road crashes”, meaning momentary lapses of concentration or judgment are far more likely to cause accidents than overtly dangerous driving.

The Solution

Ericsson provided the cellular vehicle-to-everything (C-V2X) platform to Lexus. Cases were run and Telstra optimized the 4G network for very low latency communications. Lexus Australia provided two Lexus RX 450h SUVs that use Ericsson’s C-V2X platform to connect to one another, to traffic management centers with cloud servers, and to the Victorian Department of Transport’s real-time traffic data.

Operational Impact
  • Ericsson’s C-V2X technology is based on a wide area network, leveraging existing 4G in these communications without the need for deploying additional physical infrastructure, effectively creating virtual RSUs (Roadside Units).

  • Unique life-saving use cases to increase trafic safety

    1. Slow/stopped vehicle warning: Vehicles that are broken down or traveling slowly send out an alert to warn other drivers of their potentially hazardous position, including around corners or behind obstacles where hazard lights aren’t visible.
    2. In-vehicle speed advisory: Information from the road authority regarding speed limits, including variable or recently changed
    3. limits, is communicated to the vehicle based on its location.
    4. Red light violation warning: Vehicles approaching intersections receive data about the timing of traffic lights, and drivers nearby are warned if the speed of a nearby vehicle indicates that they are likely to run a red light.
    5. Emergency electronic brake light: When a leading vehicle brakes suddenly, an alert is triggered to warn surrounding cars traveling in the same direction. This alert is delivered before forward collision radars and other sensors would be able to detect the hazard.
    6. Right turn assist/pedestrian warning: The road infrastructure communicates the presence of crossing pedestrians or bicycles at an upcoming intersection to the vehicles using the C-V2X platform, to alert the driver before the road users are visible.
Quantitative Benefit
    • The end-to-end (E2E) latency (i.e. the full journey of data from the vehicle, through the C-V2X platform and back to the vehicle) was under 50ms for 95 percent of trials in a test area based on Telstra’s public 4G network.
    • With a high-performance QoS link and Ericsson’s C-V2X platform, a number of unique C-ITS use cases were successfully tested and demonstrated over Telstra’s public network, with near real-time responses (about 30–50ms) achieved.

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