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Progress In Electromagnetics Research
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A MULTI-BEAM AND MULTI-RANGE RADAR WITH FMCW AND DIGITAL BEAM FORMING FOR AUTOMOTIVE APPLICATIONS

By S.-H. Jeong, H.-Y. Yu, J.-E. Lee, J.-N. Oh, and K.-H. Lee

Full Article PDF (582 KB)

Abstract:
In this paper, we propose a multi-beam and multi-range (MBMR) radar with frequency modulated continuous wave (FMCW) waveform and digital beam forming (DBF) algorithm to cover a detection area of long range and narrow angle (150 m, ±10°) as well as short range and wide angle (60 m, ±30°) as a single 24 GHz sensor. The developed radar is highly integrated with multiple phased-array antennas, a two-channel transmitter and a four-channel receiver using K-band GaAs RF ICs, and back-end processing board with subspace-based DBF algorithm. The proposed 24 GHz MBMR radar can be used for an adaptive cruise control (ACC) stop-and-go system which typically consists of three radars, such as two 24 GHz short-range radars for object detection in an adjacent lane and one 77 GHz long-range radar for object detection in the center lane.

Citation:
S.-H. Jeong, H.-Y. Yu, J.-E. Lee, J.-N. Oh, and K.-H. Lee, "A Multi-Beam and Multi-Range Radar with FMCW and Digital Beam Forming for Automotive Applications," Progress In Electromagnetics Research, Vol. 124, 285-299, 2012.
doi:10.2528/PIER11110805
http://www.jpier.org/PIER/pier.php?paper=11110805

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