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Interpretable and visualized SHAP-based equalizer with feature selection in IMDD system

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Abstract

We firstly leveraged the SHAP-based method to visualize and analyze trained equalizers in IMDD-based short-reach system and manifested in bandwidth-limitation PAM-4 system. As a result, half of the features are reduced without deteriorating system performance.

© 2021 The Author(s)

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