Abstract
High-resolution property is important for indoor location estimation radars. In order to realize the high-resolution property with a small number of elements, it is effective to utilize a virtual array technique in addition to the MIMO radar. In this report, we employ the Khatri-Rao product virtual array processing to the MIMO radar. The angular resolution improvement by this technique has already reported. We show in this report that we can apply the Khatri-Rao product virtual array processing to improve not only angular resolution but also range resolution for the FM-CW based MIMO radars. We also provide some experimental results to show validity of this processing.
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