Far-field calibration of automotive millimeter wave radar via near-field implementation

doi:10.23919/JSEE.2025.000006

Journal of Systems Engineering and Electronics ›› 2025, Vol. 36 ›› Issue (3): 694-700.doi: 10.23919/JSEE.2025.000006

• • 上一篇

收稿日期:2024-06-03 接受日期:2024-12-18 出版日期:2025-06-18 发布日期:2025-07-10

Far-field calibration of automotive millimeter wave radar via near-field implementation

Jinghu SUN¹(), Jiahuan LIU²(), Wenqiang WEI³(), Xianxiang YU³(), Guolong CUI³^,*(), Xiuyin ZHANG¹()

¹ School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China
² School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510641, China
³ School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

Received:2024-06-03 Accepted:2024-12-18 Online:2025-06-18 Published:2025-07-10
Contact: Guolong CUI E-mail:Jinghu.Sun@desaysv.com;Jiahuan.Liu@desaysv.com;wenqiangwei@std.uestc.edu.cn;xianxiangyu@uestc.edu.cn;cuiguolong@uestc.edu.cn;eexyz@scut.edu.cn
About author:
SUN Jinghu was born in 1984. He received his B.S. degree in electronic science and technology and M.S. degree in circuits and systems from University of Electronic Science and Technology of China, Chengdu, China, in 2007 and 2011, respectively. He is currently a Ph.D. candidate in the School of Electronics and Information Engineering in the South China University of Technology, Guangzhou, China. His current research interests include radar systems, array signal processing, and multichannel signal detection. E-mail: Jinghu.Sun@desaysv.com

LIU Jiahuan was born in 1990. She received her M.S. degree in electronics and communication engineering from University of Electronic Science and Technology of China in 2016. Her current research focuses on signal and data processing algorithms for automotive millimeter-wave radar systems. E-mail: Jiahuan.Liu@desaysv.com

WEI Wenqiang was born in 1997. He received his B.S. degree in electronic information engineering from Qingdao University, in 2020. He is currently pursuing his Ph.D. degree with the School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China. His current research interests include array signal processing and optimization algorithm. E-mail: wenqiangwei@std.uestc.edu.cn

YU Xianxiang was born in 1991. He received his B.S. degree in electronic information engineering and Ph.D. degree in signal and information processing from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2014 and 2020, respectively. From 2018 to 2019, he was a visiting researcher with Pennsylvania State University, State College, PA, USA. From 2020 to 2022, he was a postdoctoral fellow with the UESTC. He is currently an associate professor with the School of Information and Communication Engineering, UESTC. His research interests include multiple-input multiple-output (MIMO) radar, array signal processing, and waveform optimization. E-mail: xianxiangyu@uestc.edu.cn

CUI Guolong was born in 1982. He received his B.S., M.S., and Ph.D. degrees from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2005, 2008, and 2012, respectively. From January 2011 to April 2011, he was a visiting researcher with University of Naples Federico II, Naples, Italy. From June 2012 to August 2013, he was a postdoctoral researcher with the Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA. Since August 2018, he has been a professor with the UESTC. His current research interests include cognitive radar, array signal processing, multiple-input multiple-output (MIMO) radar, and through the wall radar. E-mail: cuiguolong@uestc.edu.cn

ZHANG Xiuyin was born in 1978. He received his B.S. degree in communication engineering from Chongqing University of Posts and Telecommunications, Chongqing, China, in 2001, his M.S. degree in electronic engineering from South China University of Technology, Guangzhou, China, in 2006, and his Ph.D. degree in electronic engineering from City University of Hong Kong, Hong Kong, China, in 2009. From 2001 to 2003, he was with ZTE Corporation, Shenzhen, China. He was a research assistant from July 2006 to June 2007 and a research fellow from September 2009 to February 2010 with the City University of Hong Kong. He is currently a full professor with School of Electronic and Information Engineering, South China University of Technology. He also serves as the vice chair of IEEE Guangzhou Section and the director of the Engineering Research Center of Short-Distance Wireless Communications and Network, Ministry of Education. His research interests include antennas, radio frequency integrated circuit (RFIC), radio frequency components and sub-systems, and intelligent wireless communications and sensing. E-mail: eexyz@scut.edu.cn

摘要/Abstract

Abstract:

To enhance direction of arrival (DOA) estimation accuracy, this paper proposes a low-cost method for calibrating far-field steering vectors of large aperture millimeter wave radar (mmWR). To this end, we first derive the steering vectors with amplitude and phase errors, assuming that mmWR works in the time-sharing mode. Then, approximate relationship between the near-field calibration steering vector and the far-field calibration steering vector is analyzed, which is used to accomplish the mapping between the two of them. Finally, simulation results verify that the proposed method can effectively improve the angle measurement accuracy of mmWR with existing amplitude and phase errors.

Key words: automotive millimeter wave radar, far-field steering vector calibration, near-field steering vector calibration, direction of arrival (DOA) estimation, low cost

. [J]. Journal of Systems Engineering and Electronics, 2025, 36(3): 694-700.

Jinghu SUN, Jiahuan LIU, Wenqiang WEI, Xianxiang YU, Guolong CUI, Xiuyin ZHANG. Far-field calibration of automotive millimeter wave radar via near-field implementation[J]. Journal of Systems Engineering and Electronics, 2025, 36(3): 694-700.

图/表 4

参考文献 15

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Far-field calibration of automotive millimeter wave radar via near-field implementation

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