X-Band Front-end Module of FMCW RADAR for Collision Avoidance Application

Authors

  • Tiwat Pongthavornkamol National Electronics and Computer Technology Center (NECTEC), Thailand
  • Aman Worasutr Kasetsart University
  • Denchai Worasawate Kasetsart University
  • La-or Kovaisaruch National Electronics and Computer Technology Center (NECTEC), Thailand
  • Kamol Kaemarungsi National Electronics and Computer Technology Center (NECTEC), Thailand

DOI:

https://doi.org/10.4186/ej.2021.25.5.61

Keywords:

RADAR, FMCW, Beat Frequency, RCS

Abstract

A frequency modulated continuous wave (FMCW) radar front-end module is developed as a laboratory prototype of NECTEC, NSTDA. The performance of proposed prototype is verified by the reflection test of aluminum plates in outdoor environment. The frequency domain data from a spectrum analyzer was measured at every 20 meters of the distance between the front-end prototype and the aluminum plate until the maximum distance of 200 meters is reached. The calculation of the beat frequencies at different range of reflecting aluminum plates is presented. The maximum error between measured and calculated distances does not exceed 5.02 percent. The effect of different radar cross section (RCS) of reflecting objects of 0.3, 0.8 and 1.5 m2 plate area are analyzed. The low value of different received power ratio per one squared meter unit area of 0.66 percent is obtained to prove the consistency of reflected power level over the different size of object under test. 

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Author Biographies

Tiwat Pongthavornkamol
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Location and Automatic Identification System Research Team, Communications and Networks Research Group, National Electronics and Computer Technology Center (NECTEC), 112 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand

Aman Worasutr
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Department of Electrical Engineering, Faculty of Engineering, Kasetsart University, 50 Ngamwongwan Road, Ladyao, Chatuchak, Bangkok 10900, Thailand

Denchai Worasawate
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Department of Electrical Engineering, Faculty of Engineering, Kasetsart University, 50 Ngamwongwan Road, Ladyao, Chatuchak, Bangkok 10900, Thailand

La-or Kovaisaruch
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Location and Automatic Identification System Research Team, Communications and Networks Research Group, National Electronics and Computer Technology Center (NECTEC), 112 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand

Kamol Kaemarungsi
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Location and Automatic Identification System Research Team, Communications and Networks Research Group, National Electronics and Computer Technology Center (NECTEC), 112 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand

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Published In
Vol 25 No 5, May 31, 2021
How to Cite
[1]
T. Pongthavornkamol, A. Worasutr, D. Worasawate, L.- or . Kovaisaruch, and K. Kaemarungsi, “X-Band Front-end Module of FMCW RADAR for Collision Avoidance Application”, Eng. J., vol. 25, no. 5, pp. 61-70, May 2021.
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