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Correlation-Based Radar Receivers with Pulse-Shaped OFDM Signals

Mercier, Steven and Roque, Damien and Bidon, Stéphanie and Enderli, Cyrille Correlation-Based Radar Receivers with Pulse-Shaped OFDM Signals. (2020) In: Radar Conference 2020, 21 September 2020 - 25 September 2020 (Florence, Italy).

(Document in English)

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In waveform sharing scenarios, various radar receivers have been developed for orthogonal frequency-division multiplexing (OFDM) signals. More general waveforms, such as pulse-shaped multicarrier modulations received little attention so far, despite their increased robustness to high-Doppler scatterers. In this paper, we compare the performance of two correlation-based radar receivers, namely the matched filter and the symbol-based technique, when used with different pulse-shaped multicarrier waveforms. We express the signal-to-interference-plus-noise-ratio in the range-Doppler map, taking into account the pedestal (or random sidelobes) induced by the symbols. Benefits of pulse shaping is further illustrated in a realistic vehicular scenario, in presence of multiple targets and ground clutter. In this context, the symbol-based approach outperforms the matched filter while enjoying a low-computational complexity. More generally, our results reveal the multicarrier pulse shape as a relevant degree of freedom in waveform co-design approaches (e.g., cognitive radar/communication systems).

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Thales (FRANCE)
Laboratory name:
DGA/MRIS under grant 2017.60.0005 - Thales DMS
Deposited On:20 Jul 2020 09:37

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