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A compact ultra-wideband mmWave radar sensor at 80 GHz based on a SiGe transceiver chip (Focused session on highly-integrated millimeter-wave radar sensors in SiGe BiCMOS technologies)

: Pohl, N.; Jäschke, T.; Küppers, S.; Bredendiek, C.; Nüßler, D.


Institute of Electrical and Electronics Engineers -IEEE-; Institute of Electrical and Electronics Engineers -IEEE-, Poland Section:
22nd International Microwave and Radar Conference, MIKON 2018 : May 14-17, 2018, Poznán, Poland
Piscataway, NJ: IEEE, 2018
ISBN: 978-83-949421-1-3
ISBN: 978-83-949421-0-6
ISBN: 978-1-5386-3723-4
International Microwave and Radar Conference (MIKON) <22, 2018, Poznán>
Fraunhofer FHR ()

This papers describes the capabilities of modern SiGe semiconductor technologies for the highly-integrated realization of Frequency-Modulated Continuous Wave (FMCW) Radar sensors. Based on an ultra-wideband oscillator, synthesizer and receiver, an ultra-wide bandwidth of 25 GHz around a center frequency of 80 GHz is demonstrated. This enables high-resolution radar measurements with a multi-target resolution of 7.1 mm and an absolute distance accuracy better than 1 μm, which enables new potentials for contact-free distance measurements even in harsh environments.