MIMO–monopulse target localisation for automotive radar

In this study, the authors propose a novel direction of arrival (DoA) estimation algorithm called ‘multiple-input–multiple-output (MIMO)–monopulse’ by combining the monopulse approach with MIMO radar. Monopulse is fast and accurate angle estimation algorithm, which has been well developed for tracki...

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Bibliographic Details
Published in:IET radar, sonar & navigation sonar & navigation, 2018-10, Vol.12 (10), p.1131-1136
Main Authors: Feng, Ruoyu, Uysal, Faruk, Aubry, Pascal, Yarovoy, Alexandar
Format: Article
Language:English
Subjects:
automotive radar
automotive‐radar application
CW radar
direction of arrival estimation algorithm
direction‐of‐arrival estimation
FM radar
frequency 79.0 GHz
MIMO radar
MIMO–monopulse target localisation
monopulse DoA estimation
monopulse technique
radar tracking
road vehicle radar
Special Issue: Advanced Automotive Sensing – Towards Car Autonomy
tracking radar
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Summary:In this study, the authors propose a novel direction of arrival (DoA) estimation algorithm called ‘multiple-input–multiple-output (MIMO)–monopulse’ by combining the monopulse approach with MIMO radar. Monopulse is fast and accurate angle estimation algorithm, which has been well developed for tracking radar. The application of the monopulse technique on MIMO radar is not much considered before, especially for automotive-radar application, and will be discussed in this study. Conventional methods of monopulse DoA estimation include amplitude and phase comparison monopulse. In this study, to improve the performance of monopulse, they utilise Chebyshev and Zolotarev weighting to synthesise sum and difference patterns. A new visualisation method for monopulse ratio is discussed. Finally, they demonstrate the success of the proposed algorithm by processing real data from a 79 GHz frequency-modulated continuous-wave automotive radar.
ISSN:1751-8784
1751-8792
1751-8792
DOI:10.1049/iet-rsn.2018.5013