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Conferences > OFC > 2022 > Th1H > Th1H.7

Nonlinear Pre-Distortion in DML-based OFDM Transmission Enabled by Low-Complexity Sparse Volterra Filtering

Kuang-Yu Ku, Yu-Cheng Yu, Shiuan-Mao Chi, and Chia-Chien Wei

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Abstract

A nonlinear pre-distorter is proposed in DML-based OFDM transmission. The complexity of pre-distorter is reduced by > 90% using the ℓ0-regularization, ℓ1-regularization, or re-orthogonalization, and the data rate is still increased by > 50% after ≥ 150-km fiber.

© 2022 The Author(s)

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