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24GHz Digital beamforming radar with T-shaped antenna array for three-dimensional object detection

  • Marlene Harter (a1) (a2), Tom Schipper (a1), Lukasz Zwirello (a1), Andreas Ziroff (a2) and Thomas Zwick (a1)...
Abstract

This paper introduces a radar system for three-dimensional (3D) object detection and imaging. The presented 3D measurement method combines the frequency-modulated continuous wave (FMCW) approach for range measurements with a multiple-input multiple-output (MIMO) technique for digital beamforming in two dimensions. With an orthogonal arrangement of the antenna arrays for transmit and receive, the angular information is obtained in azimuth and elevation without mechanical beamsteering. The proposed principle allows performing 3D imaging by means of the acquired range, azimuth, and elevation information with a minimum of required hardware. Starting from the realization of the 3D radar imaging concept, the hardware architecture and the developed prototype are discussed in detail. Furthermore, the object detection capability of the 3D imaging radar system is demonstrated by measurements. The results show that the introduced 3D measurement concept in its realization is well suited for numerous applications.

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Corresponding author
Corresponding author: M. Harter Email: Marlene.Harter@kit.edu
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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

[10] B. Y. Mills ; A. G. Little : A high resolution aerial system of a new type. Aust. J. Phys., 6, (1953), 272278.

[14] A. G. Stove : Linear FMCW radar techniques. IEE-Radar Signal Process., 139 (5), (1992), 343350.

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International Journal of Microwave and Wireless Technologies
  • ISSN: 1759-0787
  • EISSN: 1759-0795
  • URL: /core/journals/international-journal-of-microwave-and-wireless-technologies
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