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Comparison of Correlation-Based OFDM Radar Receivers

Abstract : Various correlation-based receivers have been proposed in passive bistatic and active monostatic radar exploiting information-bearing orthogonal frequency-division multiplexing (OFDM) transmissions, but too little has been dedicated to establishing their relations and advantages over each other. Accordingly, this paper provides an analytical comparison of the most commonly encountered filters, along with a performance analysis regarding three criteria: computational complexity, signal-to-interference-plus-noise-ratio and resilience to ground clutter. The last two especially assess the possible detrimental effects of the random sidelobes (or pedestal) induced by the data symbols in the range-Doppler map. Although simulations show that none of the filters performs unanimously better, the ones employing circular correlations globally evidence attractive results.
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Submitted on : Monday, December 7, 2020 - 10:47:18 AM
Last modification on : Friday, December 11, 2020 - 11:44:35 AM
Long-term archiving on: : Monday, March 8, 2021 - 6:32:29 PM


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Steven Mercier, Stéphanie Bidon, Damien Roque, Cyrille Enderli. Comparison of Correlation-Based OFDM Radar Receivers. IEEE Transactions on Aerospace and Electronic Systems, Institute of Electrical and Electronics Engineers, 2020, 56 (6), pp.4796-4813. ⟨10.1109/TAES.2020.3003704⟩. ⟨hal-03043178⟩



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