A novel approach to measure the automotive radar sensor’s robustness against interferers in the lab with realistic scenarios

Advanced Driver Assistance Systems (ADAS) based on automotive radar sensors are safety relevant systems, which drivers have to rely on. As the number of radar sensors increases in daily traffic, the probability of a radar sensor being interfered by the transmit signal of other radar sensors also increases. Now, the received echo signals of the surrounding objects are interfered by all transmit radar signals of other radar sensors. In order to verify proper echo signal detection also in a highly populated electro-magnetic spectrum, testing radar sensors in the lab against various interfering signals becomes a must. This paper introduces a novel approach to test the robustness of automotive radar sensors' in the lab with realistic scenarios. The measurement setup as well as the testing procedure are explained. Exemplary measurements clarify the importance of testing the robustness of automotive radar sensors against interferers.