Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Estimation of Detection Performance for Vehicle FMCW Radars Using EM Simulations

  • Yoo, Sungjun (School of Electronic and Electrical Engineering, Hongik University) ;
  • Kim, Hanjoong (Korea Aerospace Industries Ltd.) ;
  • Byun, Gangil (School of Electrical & Computer Engineering, Ulsan National Institute of Science and Technology (UNIST)) ;
  • Choo, Hosung (School of Electronic and Electrical Engineering, Hongik University)
  • Received : 2018.03.13
  • Accepted : 2018.10.07
  • Published : 2019.01.31
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Abstract

This paper proposes a systematic method for estimating detection performances of a frequency-modulated continuous wave radar using electromagnetic simulations. The proposed systematic method includes a radar system simulator that can obtain range-Doppler images using the electromagnetic (EM) simulations in conjunction with a test setup employed for performance evaluation of multiple targets at different velocities in a traffic environment. This method is then applied for optimizing the half-power beamwidths of the antenna array using an evaluation metric defined to improve the detection strengths for the multiple targets. The optimized antenna has vertical and horizontal half-power beam widths of $10^{\circ}$ and $60^{\circ}$, respectively. The results confirm that that the proposed systematic method is suitable to improve the radar detection performance with the enhanced radar-Doppler images.

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References

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