activity
20232026
most citedEnergy-efficient Spiking Neural Network Equalization for IM/DD Systems with Optimized Neural Encoding

2 citations · 3 across the 9 of their papers we have counts for

collaborators

12 papers

eess.SP2026

Spiking Neural Network-based Equalization and Demapping in IM/DD Systems: A Comparison

Eike-Manuel Edelmann, Alexander von Bank, Laurent Schmalen

In recent years, artificial neural networks (ANNs) have emerged as the de facto standard for addressing challenging problems in communications engineering that are difficult to sol…

eess.SP2026

Joint Probabilistic and Geometric Constellation Shaping for Complexity-Constrained Direct Detection Optical Systems

Rodrigo Fischer, Shrinivas Chimmalgi, Andrej Rode +1

We evaluate joint probabilistic and geometric constellation shaping via reinforcement learning for complexity-constrained joint equalization and demodulation of direct detection op…

eess.SP2025

Novel Phase-Noise-Tolerant Variational-Autoencoder-Based Equalization Suitable for Space-Division-Multiplexed Transmission

Vincent Lauinger, Lennart Schmitz, Patrick Matalla +3

We demonstrate the effectiveness of a novel phase-noise-tolerant, variational-autoencoder-based equalization scheme for space-division-multiplexed (SDM) transmission in an experime…

cs.NE2025

Encoding Optimization for Low-Complexity Spiking Neural Network Equalizers in IM/DD Systems

Eike-Manuel Edelmann, Alexander von Bank, Laurent Schmalen

Neural encoding parameters for spiking neural networks (SNNs) are typically set heuristically. We propose a reinforcement learning-based algorithm to optimize them. Applied to an S…

eess.SP2025

A Temporal Gaussian Noise Model for Equalization-enhanced Phase Noise

Benedikt Geiger, Fred Buchali, Vahid Aref +1

Equalization-enhanced Phase Noise causes burst-like distortions in high symbol-rate transmission systems. We propose a temporal Gaussian noise model that captures these distortions…

cs.NE2024

Short-reach Optical Communications: A Real-world Task for Neuromorphic Hardware

Elias Arnold, Eike-Manuel Edelmann, Alexander von Bank +3

Spiking neural networks (SNNs) emulated on dedicated neuromorphic accelerators promise to offer energy-efficient signal processing. However, the neuromorphic advantage over traditi…

eess.SP2024★ 1 cited

Non-linear Equalization in 112 Gb/s PONs Using Kolmogorov-Arnold Networks

Rodrigo Fischer, Patrick Matalla, Sebastian Randel +1

We investigate Kolmogorov-Arnold networks (KANs) for non-linear equalization of 112 Gb/s PAM4 passive optical networks (PONs). Using pruning and extensive hyperparameter search, we…

eess.SP2024

Recent Advances on Machine Learning-aided DSP for Short-reach and Long-haul Optical Communications

Laurent Schmalen, Vincent Lauinger, Jonas Ney +5

In this paper, we highlight recent advances in the use of machine learning for implementing equalizers for optical communications. We highlight both algorithmic advances as well as…

cs.AR2024

CNN-Based Equalization for Communications: Achieving Gigabit Throughput with a Flexible FPGA Hardware Architecture

Jonas Ney, Christoph Füllner, Vincent Lauinger +3

To satisfy the growing throughput demand of data-intensive applications, the performance of optical communication systems increased dramatically in recent years. With higher throug…

eess.SP2024

Real-Time FPGA Demonstrator of ANN-Based Equalization for Optical Communications

Jonas Ney, Patrick Matalla, Vincent Lauinger +3

In this work, we present a high-throughput field programmable gate array (FPGA) demonstrator of an artificial neural network (ANN)-based equalizer. The equalization is performed an…

eess.SP2024

Fully-blind Neural Network Based Equalization for Severe Nonlinear Distortions in 112 Gbit/s Passive Optical Networks

Vincent Lauinger, Patrick Matalla, Jonas Ney +3

We demonstrate and evaluate a fully-blind digital signal processing (DSP) chain for 100G passive optical networks (PONs), and analyze different equalizer topologies based on neural…

eess.SP2023★ 2 cited

Energy-efficient Spiking Neural Network Equalization for IM/DD Systems with Optimized Neural Encoding

Alexander von Bank, Eike-Manuel Edelmann, Laurent Schmalen

We propose an energy-efficient equalizer for IM/DD systems based on spiking neural networks. We optimize a neural spike encoding that boosts the equalizer's performance while decre…