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Pre-equalization and adaptive diversity schemes are available for channel compensation. Such techniques require channel prediction because a channel changes in time. Previously, we reported a channel prediction technique to increase the accuracy by focusing on polarization state and combine multiple polarization components estimated in the nearest past signal set. However, when the polarization state...
High-definition localization has the potential to create broad applications in various field. Ultra wideband (UWB) technology achieves high ranging accuracy through signal time of arrival (TOA) measurements. TOA estimation can be challenging when operating in the environment with narrow band interference (NBI). In this paper, we propose a practical interference mitigation scheme using direction of...
We propose a direction of arrival (DoA) estimation method using a complex-valued neural network (CVNN) for ultrawideband (UWB) systems. We combine a complex-valued spatiotemporal neural network with power-inversion adaptive-array scheme for null-steering DoA estimation. Simulation and experiments demonstrate that the proposed method shows an estimation accuracy higher than that of conventional multiple...
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