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OFDM waveform for distributed radar sensing in automotive scenarios

: Schieler, S.; Schneider, C.; Andrich, C.; Döbereiner, M.; Luo, J.; Schwind, A.; Thomä, R.S.; Galdo, G. Del


International journal of microwave and wireless technologies 12 (2020), No.8, pp.716-722
ISSN: 1759-0795
ISSN: 1759-0787
Journal Article
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 and localize moving cars and even pedestrians in automotive intersection scenarios.