A MULTI-BEAM AND MULTI-RANGE RADAR WITH FMCW AND DIGITAL BEAM FORMING FOR AUTOMOTIVE APPLICATIONS

被引:26
作者
Jeong, S. -H. [1 ]
Yu, H. -Y. [1 ]
Lee, J. -E. [1 ]
Oh, J. -N. [1 ]
Lee, K. -H. [2 ]
机构
[1] MANDO Elect Lab, Dept Radar Res & Dev, Songnam 463870, Gyeonggi Do, South Korea
[2] Sogang Univ, Dept Elect Engn, Seoul 121742, South Korea
关键词
SENSOR; ALGORITHM; RESOLUTION; MUSIC; ANGLE; TIME;
D O I
10.2528/PIER11110805
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
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 degrees) as well as short range and wide angle (60 m, +/- 30 degrees) 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.
引用
收藏
页码:285 / 299
页数:15
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