20200313-GSMA智库-CONNECTING_VEHICLES__TODAY_AND_IN_THE_5G_ERA_WITH_C-V2X__CELLULAR_VEHICLE-TO-EVERYTHING__28页_5mb

C-V2X Technology Summary

Core Content

Cellular Vehicle-to-Everything (C-V2X) is an industry-standard vehicle communication technology that enables vehicles to connect with each other, roadside infrastructure, pedestrians, cyclists, and cloud-based services. It is designed to enhance road safety, improve traffic efficiency, and support environmental progress through real-time, reliable, and actionable data sharing.

Main Advantages of C-V2X

• Superior Performance: C-V2X offers significantly better range, reliability, and latency compared to DSRC (a variant of Wi-Fi), making it more effective in safety-critical applications.
• Dual Connectivity: It supports both short-range direct communication (PC5) and long-range network communication (PC5 and PC5), enabling flexible use cases.
• Backward and Forward Compatibility: C-V2X is compatible with 4G LTE and is designed to evolve with 5G, ensuring a smooth transition to future technologies.
• Security: It leverages the robust security of cellular networks and can be supplemented with Public Key Infrastructure (PKI) encryption.
• Cost-Effective: It uses a single module for both short and long-range communication, reducing infrastructure and maintenance costs.

Key Use Cases

• Collision Avoidance: Vehicles can share real-time data (identity, position, speed, direction) to prevent accidents and override manual controls if needed.
• Platooning: Enables automated convoys of vehicles to travel closer together, improving fuel efficiency and road space usage.
• Cooperative Driving: Vehicles can share sensor data to minimize disruptions caused by lane changes and sudden braking.
• Queue Warning: Roadside infrastructure can warn vehicles of traffic queues or road works, helping to maintain consistent speeds and reduce traffic jams.
• Protection of Vulnerable Road Users: C-V2X can detect smartphones of pedestrians and cyclists, allowing vehicles to avoid collisions.
• Emergency Services Support: Emergency vehicles can be prioritized and given priority passage through traffic signals and roads.
• Hazards Ahead Warning: Vehicles can detect and share hazards beyond their line of sight, such as ice or obstacles, to warn other road users.
• Autonomous Driving: C-V2X plays a crucial role in enabling increasingly autonomous driving by providing real-time and precise information about road conditions.

Technical Advantages Over DSRC

Deployment Roadmap

• Global Availability: C-V2X is commercially available and supported by a diverse ecosystem of automakers, telecom companies, and suppliers.
• Automakers: Audi, BMW, Ford, and others are actively deploying C-V2X in their vehicles. For instance, Ford plans to deploy C-V2X in all new U.S. models starting in 2022.
• China: Over 20 pilot projects are underway across 10 provinces, with a target of installing C-V2X on 90% of highways by 2020.
• United States: The Colorado Department of Transportation is testing C-V2X on I-70 mountain highway. Over 500 cities and states have deployed C-V2X infrastructure.
• Europe: Trials are ongoing in Germany and the Czech Republic, with Vodafone and Continental working on a "digital safety-shield" for cyclists and pedestrians.

Role of 5G

• Enhanced Capabilities: 5G will further improve C-V2X by offering lower latency, higher bandwidth, and greater reliability, enabling advanced applications like platooning and fully autonomous driving.
• Backward Compatibility: C-V2X is compatible with 4G and can leverage 5G's benefits without requiring a complete overhaul of existing systems.

Industry Support and Collaboration

• Partnerships: C-V2X is supported by leading automakers, mobile operators, and tech companies, including 5GAA, Qualcomm, Vodafone, BMW, and Audi.
• Standardization: Standardized by 3GPP, C-V2X is a key enabler of cooperative intelligent transport systems (C-ITS).
• Security and Infrastructure: Mobile operators provide secure, scalable, and reliable communication services, reducing the need for extensive roadside infrastructure.

Market Potential

• Revenue Projections: The connected vehicle market is expected to generate $253 billion in application revenue by 2025.
• Societal Impact: Connected vehicles could save 11,000 lives and reduce 260,000 accidents by 2025, while cutting CO2 emissions by 400,000 tonnes and saving 280 million hours of driving annually.

Conclusion

C-V2X is a transformative technology that is poised to revolutionize the mobility ecosystem by enhancing safety, efficiency, and environmental sustainability. With strong industry support, global standardization, and the potential to evolve with 5G, C-V2X is becoming the preferred solution for intelligent transport systems. Its deployment is already underway in multiple regions, with a clear path to widespread adoption in the near future.