Low-Complexity High-Resolution Parameter Estimation for Automotive MIMO Radars
In this paper, we propose a parameter estimation method for multiple-input-multiple-output (MIMO) automotive radars that consists of two stages. The first stage is a low-complexity three-dimensional (3D) constant false alarm rate (CFAR) detection technique that exploits spatial filtering to extend r...
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| Veröffentlicht in: | IEEE access 2020, Vol.8, p.16127-16138 |
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| creator | Lin, Yu-Chien Lee, Ta-Sung Pan, Yun-Han Lin, Kuan-Hen |
| description | In this paper, we propose a parameter estimation method for multiple-input-multiple-output (MIMO) automotive radars that consists of two stages. The first stage is a low-complexity three-dimensional (3D) constant false alarm rate (CFAR) detection technique that exploits spatial filtering to extend radar coverage, and it performs low-complexity peak detection. The second stage is an ESPRIT-based direction-of-arrival (DOA) estimation technique that adopts time-frequency resource division to generate high-quality snapshots and it performs DOA estimation of targets without the knowledge of the target number. Computer simulations reveal that the proposed method achieves the performance of the two-dimensional ordered statistic CFAR (2D OS-CFAR) while having much lower computational complexity, and it offers the higher resolution DOA estimation compared to the conventional MIMO radars. |
| doi_str_mv | 10.1109/ACCESS.2019.2926413 |
| format | Article |
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Computer simulations reveal that the proposed method achieves the performance of the two-dimensional ordered statistic CFAR (2D OS-CFAR) while having much lower computational complexity, and it offers the higher resolution DOA estimation compared to the conventional MIMO radars.</description><subject>Automotive radar</subject><subject>CFAR detection</subject><subject>Complexity</subject><subject>Constant false alarm rate</subject><subject>Direction of arrival</subject><subject>Direction-of-arrival estimation</subject><subject>DOA estimation</subject><subject>Doppler radar</subject><subject>ESPRIT</subject><subject>Estimation</subject><subject>MIMO (control systems)</subject><subject>MIMO radar</subject><subject>mmWave radar</subject><subject>OFDM</subject><subject>Parameter estimation</subject><subject>Radar antennas</subject><subject>Spatial filtering</subject><issn>2169-3536</issn><issn>2169-3536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>DOA</sourceid><recordid>eNpNUU1PwkAQbYwmEuQXcGniudj93h5Jg0ICYkDPm-1-YAmwuLuo_HsLJcS5zMzLvDczeUnSB_kAgLx4GpblaLkcwBwUA1hAigG6SToQ0CJDBNHbf_V90gthnTfBG4iwTvI6dT9Z6bb7jfmt4zEd16vPbGGC2xxi7Xbpm_Rya6Lx6SjEeivPoHU-HR6i27pYf5t0NpnN04XU0oeH5M7KTTC9S-4mH8-j93KcTecvk3I4zRRmOGYaFJpTyq1EElLFIVayQgRzBnKiKsVsVRHFYNNJjgqoNdcEEEANz6U1GHWTSaurnVyLvW8u80fhZC3OgPMrIX2s1cYIaDW1wBqgpMXq9DaCVHOkIScFs7TRemy19t59HUyIYu0OftecLyAmmCFIMGmmUDulvAvBG3vdCnJx8kG0PoiTD-LiQ8Pqt6zaGHNlcEYQYQj9ATgkgyU</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Lin, Yu-Chien</creator><creator>Lee, Ta-Sung</creator><creator>Pan, Yun-Han</creator><creator>Lin, Kuan-Hen</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Open Access Journals; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Automotive radar CFAR detection Complexity Constant false alarm rate Direction of arrival Direction-of-arrival estimation DOA estimation Doppler radar ESPRIT Estimation MIMO (control systems) MIMO radar mmWave radar OFDM Parameter estimation Radar antennas Spatial filtering |
| title | Low-Complexity High-Resolution Parameter Estimation for Automotive MIMO Radars |
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