Christian Häger
Visar 77 publikationer
Learning Gradient-Based Feed-Forward Equalizer for VCSELs
Semi-Supervised End-to-End Learning for Integrated Sensing and Communications
Unsupervised Learning for Gain-Phase Impairment Calibration in ISAC Systems
Real-Time Implementation of Machine-Learning DSP
Decoding Quantum LDPC Codes Using Graph Neural Networks
Belief Propagation Decoding of Quantum LDPC Codes with Guided Decimation
Learning to Extract Distributed Polarization Sensing Data from Noisy Jones Matrices
Physically Parameterized Differentiable MUSIC for DoA Estimation with Uncalibrated Arrays
Deep-Learning-Based Channel Estimation for Distributed MIMO with 1-bit Radio-Over-Fiber Fronthaul
Blind Frequency-Domain Equalization Using Vector-Quantized Variational Autoencoders
Blind Frequency-Domain Equalization Using Vector-Quantized Variational Autoencoders
FPGA Implementation of Multi-Layer Machine Learning Equalizer with On-Chip Training
Rateless Autoencoder Codes: Trading off Decoding Delay and Reliability
Model-Driven End-to-End Learning for Integrated Sensing and Communication
Physics-Informed Neural Networks for Studying Charge Dynamics in Air
Spatial Signal Design for Positioning via End-to-End Learning
Data-Driven Estimation of Capacity Upper Bounds
Learning Optimal PAM Levels for VCSEL-based Optical Interconnects
FPGA-based Optical Kerr Effect Emulator
Machine learning for long-haul optical systems
Benchmarking and Interpreting End-to-end Learning of MIMO and Multi-User Communication
Symbol-Based Over-the-Air Digital Predistortion Using Reinforcement Learning
Model-Based End-to-End Learning for WDM Systems With Transceiver Hardware Impairments
Polarization Tracking in the Presence of PDL and Fast Temporal Drift
Periodicity-Enabled Size Reduction of Symbol Based Predistortion for High-Order QAM
End-to-End Learning for Integrated Sensing and Communication
Experimental Demonstration of Learned Pulse Shaping Filter for Superchannels
Improved Polarization Tracking in the Presence of PDL
Physics-Based Deep Learning for Fiber-Optic Communication Systems
Autoencoder-Based Unequal Error Protection Codes
Learned Decimation for Neural Belief Propagation Decoders
Over-the-fiber Digital Predistortion Using Reinforcement Learning
Model-Based Machine Learning for Joint Digital Backpropagation and PMD Compensation
End-to-end Autoencoder for Superchannel Transceivers with Hardware Impairments
Pruning and Quantizing Neural Belief Propagation Decoders
Symbol-Based Supervised Learning Predistortion for Compensating Transmitter Nonlinearity
End-to-End Learning of Geometrical Shaping Maximizing Generalized Mutual Information
Model-Based Machine Learning for Joint Digital Backpropagation and PMD Compensation
Decoding Reed-Muller Codes Using Redundant Code Constraints
Benchmarking End-to-end Learning of MIMO Physical-Layer Communication
Pruning Neural Belief Propagation Decoders
Learning Physical-Layer Communication with Quantized Feedback
Learned Belief-Propagation Decoding with Simple Scaling and SNR Adaptation
Revisiting Multi-Step Nonlinearity Compensation with Machine Learning
Reinforcement Learning for Channel Coding: Learned Bit-Flipping Decoding
Decoding Reed-Muller Codes Using Minimum- Weight Parity Checks
Nonlinear Interference Mitigation via Deep Neural Networks
Deep Learning of the Nonlinear Schrödinger Equation in Fiber-Optic Communications
Wideband Time-Domain Digital Backpropagation via Subband Processing and Deep learning
Approaching Miscorrection-Free Performance of Product Codes with Anchor Decoding
Achievable Information Rates for Nonlinear Fiber Communication via End-to-end Autoencoder Learning
What Can Machine Learning Teach Us about Communications
On Low-Complexity Decoding of Product Codes for High-Throughput Fiber-Optic Systems
Miscorrection-free Decoding of Staircase Codes
A Deterministic Construction and Density Evolution Analysis for Generalized Product Codes
Deterministic and Ensemble-Based Spatially-Coupled Product Codes
Density Evolution for Deterministic Generalized Product Codes with Higher-Order Modulation
Density Evolution and Error Floor Analysis for Staircase and Braided Codes
On the Information Loss of the Max-Log Approximation in BICM Systems
Analysis and Design of Spatially-Coupled Codes with Application to Fiber-Optical Communications
Spatially-Coupled Codes for Optical Communications: State-of-the-Art and Open Problems
On Parameter Optimization for Staircase Codes
On Signal Constellations and Coding for Long-Haul Fiber-Optical Systems
Improving soft FEC performance for higher-order modulations via optimized bit channel mappings
A Low-Complexity Detector for Memoryless Polarization-Multiplexed Fiber-Optical Channels
Optimized Bit Mappings for Spatially Coupled LDPC Codes over Parallel Binary Erasure Channels
Design of APSK Constellations for Coherent Optical Channels with Nonlinear Phase Noise
Constellation Optimization for Coherent Optical Channels Distorted by Nonlinear Phase Noise
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