Volume 12 Issue 5
Oct.  2023
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Article Navigation >  Journal of Radars  > 2023  >  12(5): 923-970
HUANG Yan, ZHANG Hui, LAN Lyuhongkang, et al. Overview of signal processing techniques for automotive millimeter-wave radar[J]. Journal of Radars, 2023, 12(5): 923–970. doi: 10.12000/JR23119
Citation: HUANG Yan, ZHANG Hui, LAN Lyuhongkang, et al. Overview of signal processing techniques for automotive millimeter-wave radar[J]. Journal of Radars, 2023, 12(5): 923–970. doi: 10.12000/JR23119
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Overview of Signal Processing Techniques for Automotive Millimeter-wave Radar

DOI: 10.12000/JR23119

  • State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China

Funds:  The National Natural Science Foundation of China (62271142, 62188102, 62301152), The Fundamental Research Funds for the Central Universities (2242022K60008)
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    Abstract
  • As one of the core components of Advanced Driver Assistance Systems (ADAS), automotive millimeter-wave radar has become the focus of scholars and manufacturers at home and abroad because it has the advantages of all-day and all-weather operation, miniaturization, high integration, and key sensing capabilities. The core performance indicators of the automotive millimeter-wave radar are distance, speed, angular resolution, and field of view. Accuracy, cost, real-time and detection performance, and volume are the key issues to be considered. The increasing performance requirements pose several challenges for the signal processing of millimeter-wave radar systems. Radar signal processing technology is crucial for improving radar performance to meet more stringent requirements. Obtaining dense radar point clouds, generating accurate radar imaging results, and mitigating mutual interference among multiple radar systems are the key points and the foundation for subsequent tracking, recognition, and other applications. Therefore, this paper discusses the practical application of the automotive millimeter-wave radar system based on the key technologies of signal processing, summarizes relevant research results, and mainly discusses the topics of point cloud imaging processing, synthetic aperture radar imaging processing, and interference suppression. Finally, herein, we summarize the research status at home and abroad. Moreover, future development trends for automotive millimeter-wave radar systems are forecast with the hope of enlightening readers in related fields.

     

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