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Hardware-efficient Nonlinear Equalizer based on Joint Unsupervised Learning and Supervised Weights

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Abstract

We propose a hardware-efficient Volterra filter equalizer (VFE) based on the weighted principal component analysis (WPCA). 60% taps of traditional VFE are saved without receiver sensitivity penalty for 56-Gb/s PAM-4 transmission over 100-km SSMF.

© 2021 The Author(s)

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