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- W2912347931 abstract "Adaptive beamformer is very sensitive to model mismatch, especially when the signal-of-interest is present in the training data. In this paper, we focus on the topic of robust adaptive beamforming (RAB) based on interference-plus-noise covariance matrix (INCM) reconstruction. First, we analyze the effectiveness of several INCM reconstruction schemes, and particularly analyze the impacts of interference power estimation on RAB. Second, according to the analysis results, we develop a simplified algorithm to estimate the interference powers, and a RAB algorithm based on INCM reconstruction is then presented. Compared with some existing methods, the proposed algorithm simplifies the interference power estimation of INCM reconstruction. Aligned with our analysis, simulation results demonstrate that the overestimation of interference powers hardly degrades the performance of adaptive beamforming, and our proposed algorithm achieves nearly optimal performance across a wide range of signal-to-noise ratios." @default.
- W2912347931 created "2019-02-21" @default.
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- W2912347931 date "2019-12-01" @default.
- W2912347931 modified "2023-10-14" @default.
- W2912347931 title "Robust Adaptive Beamforming via Simplified Interference Power Estimation" @default.
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- W2912347931 doi "https://doi.org/10.1109/taes.2019.2899796" @default.
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