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OFDM waveform for distributed radar sensing in automotive scenarios

: Schieler, S.; Schneider, C.; Andrich, C.; Dobereiner, M.; Luo, J.; Schwind, A.; Wendland, P.; Thoma, R.S.; Galdo, G. del

Institute of Electrical and Electronics Engineers -IEEE-; Institution of Engineering and Technology -IET-:
16th European Radar Conference, EuRAD 2019 : 29 September-4 October 2019, Paris
Piscataway, NJ: IEEE, 2019
ISBN: 978-2-87487-057-6
ISBN: 978-2-87487-054-5
ISBN: 978-1-7281-3733-9
European Radar Conference (EuRAD) <16, 2019, Paris>
European Microwave Week (EuMW) <2019, Paris>
Conference Paper
Fraunhofer IIS ()

In this paper, an orthogonal frequency-division multiplexing (OFDM) waveform radar sensing approach is demonstrated based on field measurements at C-band. We demonstrate a concept, that is based on the exploitation of typical wireless communication transmissions to perform passive, distributed radar sensing. Our concept is based on an OFDM radar that operates in the modulation symbol domain and can be well integrated into existing OFDM receivers. The measurement setup and the signal processing steps for the OFDM radar are described. The results show, that the passive, distributed radar sensing approach can be used to detect moving cars and even pedestrians in automotive intersection scenarios.