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IEICE TRANSACTIONS on Electronics

24GHz FMCW Radar Module for Pedestrian Detection in Crosswalks

You-Sun WON, Dongseung SHIN, Miryong PARK, Sohee JUNG, Jaeho LEE, Cheolhyo LEE, Yunjeong SONG

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Summary :

This paper reports a 24GHz ISM band radar module for pedestrian detection in crosswalks. The radar module is composed of an RF transceiver board, a baseband board, and a microcontroller unit board. The radar signal is a sawtooth frequency-modulated continuous-wave signal with a center frequency of 24.15GHz, a bandwidth of 200MHz, a chirp length of 80µs, and a pulse repetition interval of 320µs. The radar module can detect a pedestrian on a crosswalk with a width of 4m and a length of 14m. The radar outputs the range, angle, and speed of the detected pedestrians every 50ms by radar signal processing and consumes 7.57W from 12V power supply. The size of the radar module is 110×70mm2.

Publication
IEICE TRANSACTIONS on Electronics Vol.E102-C No.5 pp.416-419
Publication Date
2019/05/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.2018ECS6019
Type of Manuscript
BRIEF PAPER
Category
Microwaves, Millimeter-Waves

Authors

You-Sun WON
  Electronics and Telecommunications Research Institute
Dongseung SHIN
  Electronics and Telecommunications Research Institute
Miryong PARK
  Electronics and Telecommunications Research Institute
Sohee JUNG
  Electronics and Telecommunications Research Institute
Jaeho LEE
  Electronics and Telecommunications Research Institute
Cheolhyo LEE
  Electronics and Telecommunications Research Institute
Yunjeong SONG
  Electronics and Telecommunications Research Institute

Keyword

FMCW,  radar,  24GHz,  ISM band,  pedestrian,  ITS