Building a digital twin of EDFA: a grey-box modeling approach

no code implementations • 13 Jul 2023 • Yichen Liu, Xiaomin Liu, Yihao Zhang, Meng Cai, Mengfan Fu, Xueying Zhong, Lilin Yi, Weisheng Hu, Qunbi Zhuge

To enable intelligent and self-driving optical networks, high-accuracy physical layer models are required.

Multicarrier Modulation-Based Digital Radio-over-Fibre System Achieving Unequal Bit Protection with Over 10 dB SNR Gain

no code implementations • 4 Jul 2023 • Yicheng Xu, Yixiao Zhu, Xiaobo Zeng, Mengfan Fu, Hexun Jiang, Lilin Yi, Weisheng Hu, Qunbi Zhuge

We propose a multicarrier modulation-based digital radio-over-fibre system achieving unequal bit protection by bit and power allocation for subcarriers.

SE-Bridge: Speech Enhancement with Consistent Brownian Bridge

no code implementations • 23 May 2023 • Zhibin Qiu, Mengfan Fu, Fuchun Sun, Gulila Altenbek, Hao Huang

Our experiments on multiple datasets demonstrate the effectiveness of SE-Bridge in SE.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +3

An Interpretable Mapping from a Communication System to a Neural Network for Optimal Transceiver-Joint Equalization

no code implementations • 23 Mar 2021 • Zhiqun Zhai, Hexun Jiang, Mengfan Fu, Lei Liu, Lilin Yi, Weisheng Hu, Qunbi Zhuge

In this paper, we propose a scheme that utilizes the optimization ability of artificial intelligence (AI) for optimal transceiver-joint equalization in compensating for the optical filtering impairments caused by wavelength selective switches (WSS).

Low Complexity Component Nonlinear Distortions Mitigation Scheme for Probabilistically Shaped 64-QAM Signals

no code implementations • 21 Dec 2020 • Yiwen Wu, Mengfan Fu, Huazhi Lun, Lilin Yi, Weisheng Hu, Qunbi Zhuge

We propose a degenerated hierarchical look-up table (DH-LUT) scheme to compensate component nonlinearities.