Comparison of Radar Receivers for OFDM and OTFS waveforms
Aitor Correas-Serrano (Fraunhofer FHR - Cognitive Radar)
N. Petrov (NXP Semiconductors, TU Delft - Microwave Sensing, Signals & Systems)
Maria Gonzalez-Huici (Fraunhofer FHR - Cognitive Radar)
Alexander Yarovoy (TU Delft - Microwave Sensing, Signals & Systems)
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Abstract
A generic description for common multi-carrier radar receivers is proposed. Two multi-carrier waveforms - orthogonal frequency division multiplexing (OFDM) and orthogonal time-frequency spacing (OTFS) - which could be used for joint radar and communication (JRC) applications - are considered. Sensing performances of different waveform-receiver pairs are compared theoretically. It is shown that while qualitatively, both waveforms perform similarly under the same receiver, performance differences exist between them.