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Predicting Nonlinear Interference for Short-Blocklength 4D Probabilistic Shaping

Year: 2025
Type: preprint
Abstract: We derive a heuristic nonlinear interference model for 4D probabilistic shaping considering the polarization and time correlation of the 4D symbols. We demonstrate an average SNR prediction gap from split-step Fourier simulations of 0.15 dB.
Authors: Deng, Jingxin, Chen, Bin, Liang, Zhiwei, Lei, Yi, Liga, Gabriele
Language: English
Open Access status: green
OpenAlex ID: W6979271392
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