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10 June 2024 Experimental study on near-field DoA estimation using cooperative sensing system of MIMO radar modules with a commercial millimeter radar IC
Hiroki Mori
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Proceedings Volume 13048, Radar Sensor Technology XXVIII; 130480Y (2024) https://doi.org/10.1117/12.3014197
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States
Abstract
Millimetre-wave radar is expected to enable imaging radar by improving spatial resolution. However, this is difficult to realize in commercial ICs due to the small number of antennas. Expanding the aperture size by cascading commercial ICs complicates the module design. In addition, the accuracy of DoA estimation for short-range targets is degraded. We therefore propose a method to simultaneously improve spatial resolution and mitigate DoA estimation degradation by simply arranging multiple modules with a single IC, and present experimental results.
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Hiroki Mori "Experimental study on near-field DoA estimation using cooperative sensing system of MIMO radar modules with a commercial millimeter radar IC", Proc. SPIE 13048, Radar Sensor Technology XXVIII, 130480Y (10 June 2024); https://doi.org/10.1117/12.3014197
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KEYWORDS
Automotive radar
Near field
Radar
Sensing systems
Antennas
Spatial resolution
Spherical lenses
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