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相关论文: Soft-Demapping for Short Reach Optical Communicati…

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We investigate approaches to reduce the computational complexity of Volterra nonlinear equalizers (VNLEs) for short-reach optical transmission systems using intensity modulation and direct detection (IM/DD). In this contribution we focus on…

信号处理 · 电气工程与系统科学 2021-01-08 Tom Wettlin , Talha Rahman , Jinlong Wei , Stefano Calabrò , Nebojsa Stojanovic , Stephan Pachnicke

We investigate the complexity and performance of recurrent neural network (RNN) models as post-processing units for the compensation of fibre nonlinearities in digital coherent systems carrying polarization multiplexed 16-QAM and 32-QAM…

信号处理 · 电气工程与系统科学 2021-07-02 Stavros Deligiannidis , Charis Mesaritakis , Adonis Bogris

We examine here what type of predictive modelling, classification, or regression, using neural networks (NN), fits better the task of soft-demapping based post-processing in coherent optical communications, where the transmission channel is…

信号处理 · 电气工程与系统科学 2022-08-23 Pedro J. Freire , Jaroslaw E. Prilepsky , Yevhenii Osadchuk , Sergei K. Turitsyn , Vahid Aref

Nonlinearities can be introduced into communication systems by the physical components such as the power amplifier, or during signal propagation through a nonlinear channel. These nonlinearities can be compensated by a nonlinear equalizer…

信号处理 · 电气工程与系统科学 2019-05-15 Etsushi Yamazaki , Nariman Farsad , Andrea Goldsmith

Recently, data-driven approaches motivated by modern deep learning have been applied to optical communications in place of traditional model-based counterparts. The application of deep neural networks (DNN) allows flexible statistical…

信号处理 · 电气工程与系统科学 2019-11-25 Toshiaki Koike-Akino , Ye Wang , David S. Millar , Keisuke Kojima , Kieran Parsons

In optical communication systems, short blocklength probabilistic enumerative sphere shaping (ESS) provides both linear shaping gain and nonlinear tolerance. In this work, we investigate the performance and complexity of ESS in comparison…

信息论 · 计算机科学 2020-10-23 Abdelkerim Amari , Lutz Lampe , O. S. Sunish Kumar , Yunus Can Gultekin , Alex Alvarado

Neuromorphic computing implementing spiking neural networks (SNN) is a promising technology for reducing the footprint of optical transceivers, as required by the fast-paced growth of data center traffic. In this work, an SNN nonlinear…

Mitigation of optical fiber nonlinearity is an active research field in the area of optical communications, due to the resulting marked improvement in transmission performance. Following the resurgence of optical coherent detection, digital…

信号处理 · 电气工程与系统科学 2019-06-25 Gabriel Saavedra , Gabriele Liga , Polina Bayvel

Deep convolutional neural networks (DCNNs) are a class of artificial neural networks, primarily for computer vision tasks such as segmentation and classification. Many nonlinear operations, such as activation functions and pooling…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Zuocheng Wen , Lingzhong Guo

Deep neural networks (DNNs) play an important role in machine learning due to its outstanding performance compared to other alternatives. However, DNNs are not suitable for safety-critical applications since DNNs can be easily fooled by…

机器学习 · 计算机科学 2021-03-26 Zhixin Pan , Prabhat Mishra

Deep neural networks (DNNs) are reshaping the field of information processing. With their exponential growth challenging existing electronic hardware, optical neural networks (ONNs) are emerging to process DNN tasks in the optical domain…

An important problem in fiber-optic communications is to invert the nonlinear Schr\"odinger equation in real time to reverse the deterministic effects of the channel. Interestingly, the popular split-step Fourier method (SSFM) leads to a…

信息论 · 计算机科学 2018-04-10 Christian Häger , Henry D. Pfister

Active Noise Control (ANC) systems are challenged by nonlinear distortions, which degrade the performance of traditional adaptive filters. While deep learning-based ANC algorithms have emerged to address nonlinearity, existing approaches…

音频与语音处理 · 电气工程与系统科学 2025-05-05 Lu Bai , Mengtong Li , Siyuan Lian , Kai Chen , Jing Lu

The quantization of neural networks for the mitigation of the nonlinear and components' distortions in dual-polarization optical fiber transmission is studied. Two low-complexity neural network equalizers are applied in three 16-QAM 34.4…

信号处理 · 电气工程与系统科学 2023-10-11 Jamal Darweesh , Nelson Costa , Antonio Napoli , Bernhard Spinnler , Yves Jaouen , Mansoor Yousefi

Optical neural networks offer a route to low-latency and energy-efficient inference by encoding computation in light propagation. However, most existing implementations rely on planar photonic circuits or discretely spaced diffractive…

Bidirectional recurrent neural networks (bi-RNNs), in particular, bidirectional long short term memory (bi-LSTM), bidirectional gated recurrent unit, and convolutional bi-LSTM models have recently attracted attention for nonlinearity…

信号处理 · 电气工程与系统科学 2022-07-26 Abtin Shahkarami , Mansoor Yousefi , Yves Jaouen

In this work we propose a neuromorphic hardware based signal equalizer by based on the deep learning implementation. The proposed neural equalizer is plasticity trainable equalizer which is different from traditional model designed based…

信号处理 · 电气工程与系统科学 2020-10-28 Zihao Wang , Zhifei Xu , Jiayi He , Chulsoon Hwang , Jun Fan , Hervé Delingette

In this work, we propose to use various artificial neural network (ANN) structures for modeling and compensation of intra- and inter-subcarrier fiber nonlinear interference in digital subcarrier multiplexing (DSCM) optical transmission…

信息论 · 计算机科学 2023-08-09 Ali Bakhshali , Hossein Najafi , Behnam Behinaein Hamgini , Zhuhong Zhang

The deployment of non-binary pulse amplitude modulation (PAM) and soft decision (SD)-forward error correction (FEC) in future intensity-modulation (IM)/direct-detection (DD) links is inevitable. However, high-speed IM/DD links suffer from…

信号处理 · 电气工程与系统科学 2023-09-29 Kaiquan Wu , Gabriele Liga , Jamal Riani , Alex Alvarado

This paper performs a detailed, multi-faceted analysis of key challenges and common design caveats related to the development of efficient neural networks (NN) nonlinear channel equalizers in coherent optical communication systems. Our…

信号处理 · 电气工程与系统科学 2022-06-01 Pedro J. Freire , Antonio Napoli , Bernhard Spinnler , Nelson Costa , Sergei K. Turitsyn , Jaroslaw E. Prilepsky
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