Waveguide antenna targets automotive radar

Waveguide antenna targets automotive radar
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The 3D waveguide antenna from Huber+Suhner GmbH (Herisau, Switzerland) is the first 3D radar antenna of its kind, made of metallized plastic and with a long range, developed for use in ADAS. In addition to highly accurate object detection, it features low losses; at the same time, it…
By Christoph Hammerschmidt

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The 3D waveguide antenna from Huber+Suhner GmbH (Herisau, Switzerland) is the first 3D radar antenna of its kind, made of metallized plastic and with a long range, developed for use in ADAS. In addition to highly accurate object detection, it features low losses; at the same time, it meets international automotive standards.

ADAS (Advanced Driver Assistance Systems) use advanced technologies to assist drivers while driving, improving their performance and safety on the road. Huber+Suhner’s injection-molded 3D waveguide antenna creates an air-filled waveguide, which allows it to achieve its very low insertion loss and significantly higher performance compared to PCB antennas. Thanks to its larger dimensions, the antenna can detect objects from a distance of over 300 meters. It also offers a wide bandwidth and excellent signal-to-noise ratio. Major OEMs are demanding sensors with 3D antenna components that meet these increased performance requirements. Here Huber+Suhner, a leader in this field, is the only supplier that manufactures 3D antennas for applications with such a long range. Huber+Suhner develops antennas for all automotive radars, including long-range radar, medium-range radar, short-range radar and cornering radar.

Francesco Merli, Head of Product Management & Development Antennas & mm-Wave at Huber+Suhner, says: “The use of waveguide antennas has become an attractive alternative to classical PCB technology. It offers improved efficiency, directivity stability and impedance bandwidth at competitive manufacturing costs. In addition, the use of the third dimension allows arrays to be freely distributed over a large antenna aperture, providing high angular resolution and more virtual array possibilities.”

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