Phase-Coded FMCW for Coherent MIMO Radar

Journal article (2023)

Authors

U. Kumbul Microwave Sensing, Signals & Systems - EEMCS
N. Petrov Microwave Sensing, Signals & Systems - EEMCS , NXP Semiconductors
C. Silveira Vaucher Electronics - EEMCS , NXP Semiconductors
Alexander Yarovoy Microwave Sensing, Signals & Systems - EEMCS
Research Group
Microwave Sensing, Signals & Systems (EEMCS) (TU Delft)
Copyright: © 2023 U. Kumbul, N. Petrov, C. Silveira Vaucher, Alexander Yarovoy
DOI
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https://doi.org/10.1109/TMTT.2022.3228950
Radar signal processing Linear frequency modulation (LFM) Multipleinput multiple-output (MIMO) Phase-modulated chirps
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Published Date

2023

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Microwave Sensing, Signals & Systems

Abstract

The phase-coded linear-frequency-modulated continuous-wave (PC-FMCW) waveform with a low sampling processing strategy is studied for coherent multiple-input multiple-output (MIMO) radar. The PC-FMCW MIMO structure, which jointly uses both fast-time and slow-time coding, is proposed to reduce sidelobe levels while preserving high range resolution, unambiguous velocity, good Doppler tolerance, and low sampling needs. The sensing performance and practical aspects of the introduced PC-FMCW MIMO structure are evaluated theoretically and verified experimentally. The numerical simulations and experiments demonstrate that the proposed MIMO keeps the advantages of the linear-frequency-modulated continuous-wave (LFMCW) waveform, including computational efficiency and low sampling demands, while having the ability to provide low sidelobe levels with simultaneous transmission.