Automotive
for shorter distances and lower power consumption to enable faster and more efficient data transfer between connected devices within vehicles.
The design of Automotive Ethernet also reduces weight and cost of network deployments compared to traditional Ethernet, a key feature considering there is over a mile of wiring (3)
inside a vehicle – making the
underlying vehicle network one of the heaviest components in the car. Since the 2015 (4)
emergence of BroadR-
Reach (100BASE-T1), which delivers 100 Mbps over a single twisted pair and meets the industry’s strict electromagnetic compatibility (EMC) standards, the technology has proved ideal for networks consisting of compute, connectivity, sensors, cameras, and Electronic Control Units in modern vehicles. Today, the industry faces the pivotal task of rallying stakeholders across the ecosystem to drive Automotive Ethernet networks as the leading communications technology for connected vehicles.
OEM innovation and involvement is key
Given its status as a newer alternative to traditional automotive communication systems, Automotive Ethernet still requires more validation from Original Equipment Manufacturers (OEMs). These companies design and produce components or systems that are then integrated into vehicles. This includes advanced electrical and electronic systems, such as ADAS, compute, infotainment systems, and many other connectivity features. These components enhance vehicle safety, convenience, and user experience, and are also key differentiators that the automotive market can adopt to drive value in their vehicle offering.
Due to global supply chain disruptions, particularly semiconductor shortages, OEMs are faced with challenges to meet production demands. This not only impacts the OEM, but the entire supply chain that follows. With the OEM market size expected to rise at a CAGR of 4.67 per cent (5)
between 2024
and 2032, it is even more important that the group is involved in and adopts upcoming standards. In turn, by adopting standards and aligning on a shared goal, the OEM market can boost production volumes and drive down semiconductor costs.
References: 1
2
3 4 5
Globally adopted industry standards are critical to not only help ensure the performance consistency of key automotive technologies, but they also enable the interoperability needed to facilitate communication between various in-vehicle systems. Unified standards also allow for multi-vendor ecosystems within the car, meaning that the network can support the ‘best of breed’ equipment and emerging technologies from multiple OEMs to help navigate supply chain issues.
Charting the route for automotive growth
As the number of devices demanding high-speed data transmission continues to grow, the automotive industry is challenged to accommodate the accelerating need for bandwidth, speed, and low latency to maintain safety and critical operations within the vehicle. Industry alliances including IEEE and OPEN Alliance are actively driving this evolution. With standards like 1000BASE-T1 in place to support next-generation vehicle technologies, the industry is moving steadily towards a unified Automotive Ethernet ecosystem.
These developments improve reliability, ensuring that critical vehicle functions, like autonomous driving or predictive maintenance, operate without disruptions. It simplifies manufacturing, reducing costs and development time while enabling scalable innovations. As Automotive Ethernet evolves and connected vehicle technologies become even more data-intensive, standardisation ensures that vehicles – implementing the technologies – remain secure, efficient, and adaptable to new advancements in the industry. Automotive Ethernet networks – built with smart devices based on a unified protocol – also provides the flexibility and scalability of hardware configuration for the Software Defined Vehicle (SDV), simplifying future upgrades to high-speed vehicle networks. With greater OEM collaboration and shared leadership across the industry, standards organisations hold the key to driving forward the next generation of connected, autonomous, and electrified vehicles more efficiently and cost-effectively.
https://opensig.org/ https://www.statista.com/topics/1918/connected-cars/#topicOverview
https://www.mckinsey.com/industries/automotive-and-assembly/our-insights/autonomous-drivings- future-convenient-and-connected
https://semiengineering.com/shedding-pounds-in-automotive-electronics
https://dissec.to/tech/automotive-ethernet
https://www.databridgemarketresearch.com/reports/global-automotive-oems-market
www.cieonline.co.uk Components in Electronics July/August 2025 21
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