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08/15/2022
Band-ESS: Streaming Enumerative Coding with Applications to Probabilistic Shaping
Probabilistic amplitude shaping (PAS) is on track to become the de facto...
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07/08/2022
On Optimum Enumerative Sphere Shaping Blocklength at Different Symbol Rates for the Nonlinear Fiber Channel
We show that a 0.9 dB SNR improvement can be obtained via short-blocklen...
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07/08/2022
Log-CCDM: Distribution Matching via Multiplication-free Arithmetic Coding
Recent years have seen renewed attention to arithmetic coding (AC). This...
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06/23/2022
Reducing the Error Floor of the Sign-Preserving Min-Sum LDPC Decoder via Message Weighting of Low-Degree Variable Nodes
Some low-complexity LDPC decoders suffer from error floors. We apply ite...
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05/24/2022
Capacity Bounds for Optical WDM Channels with Peak Power Constraints
We investigate optical WDM transmission from the standpoint of an inform...
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10/18/2021
Capacity Region Bounds for the K user Dispersive Nonlinear Optical WDM Channel with Peak Power Constraints
It is known that fiber nonlinearities induce crosstalk in a wavelength d...
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08/23/2021
On Kurtosis-limited Enumerative Sphere Shaping for Reach Increase in Single-span Systems
The effect of decreasing the kurtosis of channel inputs is investigated ...
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06/24/2021
Orthogonal Time Frequency Space Modulation: A Discrete Zak Transform Approach
In orthogonal time frequency space (OTFS) modulation, information-carryi...
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05/31/2021
A Capacity Region Outer Bound for the Two-User Dispersive Nonlinear Fiber Optical Channel
We study a nonlinear fiber optical channel impaired by cross-phase modul...
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02/24/2021
Temporal Energy Analysis of Symbol Sequences for Fiber Nonlinear Interference Modelling via Energy Dispersion Index
The stationary statistical properties of independent, identically distri...
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02/19/2021
Performance Prediction Recipes for Optical Links
Although forward error-correction (FEC) coding is an essential part of m...
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10/10/2020
Comparison of Short Blocklength Sphere Shaping and Nonlinearity Compensation in WDM Systems
In optical communication systems, short blocklength probabilistic enumer...
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08/05/2020
Novel High-Throughput Decoding Algorithms for Product and Staircase Codes based on Error-and-Erasure Decoding
Product codes (PCs) and staircase codes (SCCs) are conventionally decode...
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05/29/2020
Refined Reliability Combining for Binary Message Passing Decoding of Product Codes
We propose a novel soft-aided iterative decoding algorithm for product c...
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02/24/2020
Achievable Information Rates for Probabilistic Amplitude Shaping: A Minimum-Randomness Approach via Random Sign-Coding Arguments
Probabilistic amplitude shaping (PAS) is a coded modulation strategy in ...
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01/25/2020
Model-Based Machine Learning for Joint Digital Backpropagation and PMD Compensation
We propose a model-based machine-learning approach for polarization-mult...
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12/31/2019
30 Nonlinearity-tolerant 4D Modulation
Current optical coherent transponders technology is driving data rates t...
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12/11/2019
End-to-End Learning of Geometrical Shaping Maximizing Generalized Mutual Information
GMI-based end-to-end learning is shown to be highly nonconvex. We apply ...
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11/05/2019
Post-FEC BER Prediction for Bit-Interleaved Coded Modulation with Probabilistic Shaping
Accurate performance prediction after forward error correction (FEC) dec...
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09/17/2019
Fiber Nonlinearity Mitigation via the Parzen Window Classifier for Dispersion Managed and Unmanaged Links
Machine learning techniques have recently received significant attention...
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08/26/2019
On Parameter Optimization of Product Codes for Iterative Bounded Distance Decoding with Scaled Reliability
We use density evolution to optimize the parameters of binary product co...
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08/09/2019
On Product Codes with Probabilistic Amplitude Shaping for High-Throughput Fiber-Optic Systems
We consider probabilistic amplitude shaping (PAS) as a means of flexibly...
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08/01/2019
First Experimental Demonstration of Probabilistic Enumerative Sphere Shaping in Optical Fiber Communications
We transmit probabilistic enumerative sphere shaped dual-polarization 64...
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07/25/2019
Improving HD-FEC decoding via bit marking
We review the recently introduced soft-aided bit-marking (SABM) algorith...
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07/05/2019
Analysis and Optimisation of Distribution Matching for the Nonlinear Fibre Channel
Enhanced Gaussian noise models are used to demonstrate that the per-bloc...
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07/03/2019
Enumerative Sphere Shaping for Rate Adaptation and Reach Increase in WDM Transmission Systems
The performance of enumerative sphere shaping (ESS), constant compositio...
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06/24/2019
A novel soft-aided bit-marking decoder for product codes
We introduce a novel soft-aided hard-decision decoder for product codes ...
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04/22/2019
Revisiting Multi-Step Nonlinearity Compensation with Machine Learning
For the efficient compensation of fiber nonlinearity, one of the guiding...
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04/13/2019
Introducing Enumerative Sphere Shaping for Optical Communication Systems with Short Blocklengths
Probabilistic shaping based on constant composition distribution matchin...
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02/27/2019
A Machine Learning-Based Detection Technique for Optical Fiber Nonlinearity Mitigation
We investigate the performance of a machine learning classification tech...
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01/21/2019
Polarization-ring-switching for nonlinearity-tolerant geometrically-shaped four-dimensional formats maximizing generalized mutual information
In this paper, a new four-dimensional 64-ary polarization ring switching...
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04/24/2018
