Is Digital Radar the Answer to ADAS Interference?

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Interference associated with analog radars needs to be mitigated now, not later.

www.eetasia.com, Nov. 10, 2021 – 

When our cars brake automatically to avoid an accident, or tuck themselves neatly into a tight parking space without our hands touching the steering wheel, we don't experience it as a technological miracle as much as the fulfillment of a consumer expectation. This fact is a testament to just how far we have come in the push toward autonomous mobility, that the installation of advanced driver-assistance systems (ADAS) has quietly become an industry standard in the production of new vehicles.

But the technology that makes ADAS work, and that will ultimately carry us into the next, more advanced phase of commercial AVs, still has serious limitations. In order to achieve continued progress and bring about the next generation of mobility, OEMs and system developers will need to make hard decisions about where to focus. In the end, some of the technologies that have been instrumental in bringing us to this point may need to be reimagined–or even replaced–if we hope to reach that next phase in the foreseeable future.

Among the immediate challenges for developers is the use of radar in ADAS, which has recently emerged as a cause of concern as the technology becomes more widespread. Radar is an essential component for achieving accurate sensing in a variety of systems. It is critical to detecting distance objects as well as the speed at which pedestrians or another vehicle may be travelling.

Distance and speed may arguably be the most important aspects of any ADAS. As the volume of radars on roadways increases, many experts worry about potential signal interference–a real liability, and one that would be unconscionable to overlook.

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