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  4. W-Band Time-Domain Multiplexing FMCW MIMO Radar for Far-Field 3-D Imaging
 
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2017
Journal Article
Title

W-Band Time-Domain Multiplexing FMCW MIMO Radar for Far-Field 3-D Imaging

Abstract
In this paper, a radar demonstrator system with real-time capability operating at W-band is presented. It operates at 90-100 GHz and provides 3-D information about the illuminated scene. The system uses frequency modulated continuous wave signals to extract range information whereupon long-range applications are aimed at. It consists of a sparse array of 22 transmitting and 22 receiving antennas and makes use of the multiple input multiple output (MIMO) principle. A back-propagation algorithm provides cross-range information. With the help of simulations and a simulated annealing algorithm, the geometry of the sparse array is optimized to meet application requirements using the available hardware. In this paper, the demonstrator system is described and the imaging theory is shortly reviewed. Measurements are presented to verify simulation results as well as 3-D imaging and long-range capability.
Author(s)
Bleh, Daniela
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Rösch, Markus
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Kuri, Michael  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Dyck, Alexander
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Tessmann, Axel  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Leuther, Arnulf  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Wagner, Sandrine  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Weismann-Thaden, Birgit  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Stulz, Hans-Peter  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Zink, Martin  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Rießle, Markus  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Sommer, R.
Wilcke, J.
Schlechtweg, Michael
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Yang, B.
Ambacher, Oliver  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Journal
IEEE transactions on microwave theory and techniques  
DOI
10.1109/TMTT.2017.2661742
Language
English
Fraunhofer-Institut für Hochfrequenzphysik und Radartechnik FHR  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Keyword(s)
  • millimeter-wave radar

  • multiple input multiple output (MIMO) radar

  • imaging radar

  • radar system

  • sparse array optimization

  • Key Publication

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