Understanding the Differences Between DSRC and C-V2X in Vehicular Communication

In the realm of connected vehicles, two primary technologies facilitate communication: Dedicated Short Range Communications (DSRC) and Cellular Vehicle-to-Everything (C-V2X). While both aim to enhance road safety and traffic efficiency, they differ in several key aspects. This post delves into these differences, providing a clearer understanding of each technology's capabilities and applications.

Key Differences Between DSRC and C-V2X

Feature DSRC (IEEE 802.11p) C-V2X (3GPP LTE & 5G)
Technology Standard Based on IEEE 802.11p (Wi-Fi-like) Based on 3GPP LTE & 5G (cellular-based)
Communication Mode Direct V2V (vehicle-to-vehicle) and V2I (vehicle-to-infrastructure) Direct (PC5) & Network-based (Uu) V2N (vehicle-to-network)
Range Typically up to 300 meters Up to 1 km direct; longer via network
Latency Very low, suitable for safety-critical messages Low, may vary depending on network conditions
Deployment Requires dedicated short-range spectrum Can leverage existing cellular networks; easier 5G integration

Technical Insights

DSRC: Utilizes the 5.9 GHz frequency band and supports low-latency, high-reliability communication suitable for real-time safety applications. However, its range is limited, and it requires dedicated infrastructure for optimal performance [1].

C-V2X: Operates on the same 5.9 GHz band for direct communication but also integrates with cellular networks for broader coverage. This dual-mode capability allows for extended range and scalable deployments [2].

Conclusion

Both DSRC and C-V2X have unique advantages. DSRC’s established presence and low-latency communication make it ideal for safety-critical applications in controlled environments. C-V2X’s integration with cellular networks offers scalability and flexibility, making it suitable for broader, more dynamic deployments.

References

  1. DSRC vs. C-V2X: A Detailed Comparison of the 2 Types of V2X Technologies – AutoCrypt
  2. DSRC vs. C-V2X: Understanding the Two Technologies – Ettifos
  3. Enhancing Scalability of C-V2X and DSRC Vehicular Communications – MDPI
  4. C-V2X vs DSRC | Get Your Facts Straight on Cellular V2X – AutoTalks

Comments

Post a Comment

Popular posts from this blog

From DSRC to 5G NR-V2X: The Road Ahead for Connected Vehicles

Modern vehicles are no longer just machines on wheels. Through Vehicle-to-Everything (V2X) communication , they are becoming active participants in intelligent transport systems, enabling safer driving, smoother traffic, and progress toward automation. DSRC: The First Step The earliest V2X technology was Dedicated Short-Range Communications (DSRC) , based on IEEE 802.11p. Operating in the 5.9 GHz band , it allowed onboard units (OBUs) in vehicles to exchange safety and infotainment data with roadside units (RSUs) . While DSRC was effective for short-range messaging, it faced limits in coverage, data rate, and quality of service (QoS) . These challenges motivated researchers to explore new solutions. D2D and the Cellular Shift A key breakthrough came with Device-to-Device (D2D) communication , where vehicles exchange information directly without always relying on infrastructure. This reduces latency, eases network congestion, and helps maintain reliability in crow...
Read more

CTE 125 - COMPUTER WORKSHOP PRACTICE: WEEK ONE

Image
CTE 125 LECTURE NOTES LECTURER-IN-CHARGE: MR. ABDULHAMEED IDRIS (GMCPN, MSC) DEPT. OF COMPUTER ENGINEERING TECHNOLOGY, THE POLYTECHNIC IBADAN MAY 18 TH 2017 WEEK ONE (ONE HOUR) TOPIC: Identifying the various tools and equipment in computer repair laboratory  Objective: At the end of this class students should be able to: Know the various tools in the computer repair laboratory (CRL)     Know the Know the various equipment in the CRL   Use various tools and equipment in the CRL   Know what safe working conditions and procedures are   Know the procedures helping one to protect equipment and data Know the procedures which helps to properly dispose of hazardous computer components and related material Know the tools and software used with personal computer components and what is their purpose Know what proper tool use is Recommended books: 1.        I...
Read more

CTE 311: ENGINEER IN SOCIETY: CURRICULUM (20/21 SESSION)

GENERAL OBJECTIVES: On completion of this module, the student should be able to: 1. Understand the historical development of engineering and technology. 2. Know the cadres and pyramidal structure of the engineering family. 3. Understand roles of engineering personnel in the society. 4. Know the engineering professional associations in Nigeria. 5. Understand importance and process of engineering professional registration in Nigeria. 1.1 Identify, describe, technology and engineering in ancient Egypt, Rome, China, Europe, America 1.2 State developments from military to Civil Engineering . 1.3 State the industrial Revolution in England and its spread to Europe, Asia and Africa. 1.4 State Mo dern technology and eng ineering. 2.1 Identify the various cadres o f the engineering family . 2.2 State the ideal ratio of the different cadres of engineering personnel required for an engineering project team. 2.3 Identify the various engineering discipline. 2.4 Identify the pyramidal structure ...
Read more