Standardizing Safety: New US-Swedish Collaboration Tackles Automotive Radar Interference

Automotive radar is a critical technology for modern Advanced Driver Assistance Systems (ADAS) and Automated Driving (AD), enabling functions like adaptive cruise control and collision avoidance. However, as the industry projects most new vehicles will soon integrate six to eight sensors, the automotive frequency band (76-81 GHz) is becoming highly congested.

In dense traffic environments, this rapid increase in signal sources creates overlapping interference. This can degrade a vehicle's detection accuracy, generate false "ghost" objects, and cause phantom braking. While some fragmented, vendor-specific mitigation techniques exist, the industry currently lacks a standardized test methodology to benchmark and validate radar resilience.

Bridging the Gap in Radar Assurance

To address this barrier to safe automated mobility, a consortium comprising Sweden’s Radar Reticence and Halmstad University, alongside US-based Michigan Tech Research Institute (MTRI) and Dynamic Research Inc. (DRI), have via Future Mobility secured funding from Vinnova and the Swedish Energy Agency to develop and demonstrate a new standardized testing framework.

The project, titled Methods for Testing Automotive Radar Interference (MeTARI), will translate theoretical interference profiles into practical, reproducible lab requirements. By establishing Key Performance Indicators (KPIs) and standardized calibration procedures, the project will allow OEMs, suppliers, and regulators to reliably compare technologies.

Informing Global Safety Standards

The MeTARI project has already garnered letters of support from major automotive players, including Volvo Cars and NIRA Dynamics. Throughout the project, the consortium will engage closely with key regulatory bodies, such as Euro NCAP and NHTSA, to share findings and lay the groundwork for large-scale validation and global standardization.

By ensuring that radar systems function reliably in dense, mixed-vendor environments, the project not only improves road safety but also reduces congestion-related emissions, contributing to a smoother, more sustainable transportation ecosystem.

Project Facts

Key Deliverables:

• Interference Mapping: Comprehensive review of current and future radar interference challenges.
• Method Development: Creation of vendor-agnostic KPIs and reproducible interference emulation profiles.
• Lab Specifications: Translation of methods into practical, calibrated lab test requirements.
• Method Demonstration: Validation of the methodology in a controlled setting.
• Regulatory Engagement: Communication of findings to key safety bodies (Euro NCAP, NHTSA).
• OEM Integration: Guidelines for incorporating the method into OEM safety validation processes.

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