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08/18/2023
Angle-Delay Profile-Based and Timestamp-Aided Dissimilarity Metrics for Channel Charting
Channel charting is a self-supervised learning technique whose objective...
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06/28/2023
Successive Cancellation Automorphism List Decoding of Polar Codes
The discovery of suitable automorphisms of polar codes gained a lot of a...
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05/16/2023
Component Training of Turbo Autoencoders
Isolated training with Gaussian priors (TGP) of the component autoencode...
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05/03/2023
Phase-Equivariant Polar Coded Modulation
For short-packet, low-latency communications over random access channels...
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05/02/2023
Rate-Compatible Polar Codes for Automorphism Ensemble Decoding
Recently, automorphism ensemble decoding (AED) has drawn research intere...
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03/02/2023
Automorphism Ensemble Polar Code Decoders for 6G URLLC
The URLLC scenario in the upcoming 6G standard requires low latency and ...
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02/17/2023
Deep Reinforcement Learning for mmWave Initial Beam Alignment
We investigate the applicability of deep reinforcement learning algorith...
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12/20/2022
Optimizing Serially Concatenated Neural Codes with Classical Decoders
For improving short-length codes, we demonstrate that classic decoders c...
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11/29/2022
Graph Search based Polar Code Design
It is well known that to fulfill their full potential, the design of pol...
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09/22/2022
Deep Learning for Uplink CSI-based Downlink Precoding in FDD massive MIMO Evaluated on Indoor Measurements
When operating massive multiple-input multiple-output (MIMO) systems wit...
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08/10/2022
Learning Quantization in LDPC Decoders
Finding optimal message quantization is a key requirement for low comple...
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07/13/2022
Introducing γ-lifting for Learning Nonlinear Pulse Shaping in Coherent Optical Communication
Pulse shaping for coherent optical fiber communication has been an activ...
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07/12/2022
Learning Joint Detection, Equalization and Decoding for Short-Packet Communications
We propose and practically demonstrate a joint detection and decoding sc...
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06/30/2022
A Distributed Massive MIMO Channel Sounder for "Big CSI Data"-driven Machine Learning
A distributed massive MIMO channel sounder for acquiring large CSI datas...
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06/20/2022
Improving Triplet-Based Channel Charting on Distributed Massive MIMO Measurements
The objective of channel charting is to learn a virtual map of the radio...
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06/13/2022
Channel Sounder with Over-the-Air Antenna Synchronization: Absolute Phase and Timing Calibration Using Known Transmitter Locations
Synchronization of transceiver chains is a major challenge in the practi...
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05/13/2022
A Polar Subcode Approach to Belief Propagation List Decoding
Permutation decoding gained recent interest as it can exploit the symmet...
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03/25/2022
Adaptive Neural Network-based OFDM Receivers
We propose and examine the idea of continuously adapting state-of-the-ar...
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02/01/2022
Automorphism Ensemble Decoding of Quasi-Cyclic LDPC Codes by Breaking Graph Symmetries
We consider automorphism ensemble decoding (AED) of quasi-cyclic (QC) lo...
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07/27/2021
Iterative Reed-Muller Decoding
Reed-Muller (RM) codes are known for their good maximum likelihood (ML) ...
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04/30/2021
Massive-MIMO Iterative Channel Estimation and Decoding (MICED) in the Uplink
Massive MIMO uses a large number of antennas to increase the spectral ef...
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04/29/2021
Serial vs. Parallel Turbo-Autoencoders and Accelerated Training for Learned Channel Codes
Attracted by its scalability towards practical codeword lengths, we revi...
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02/05/2021
Wiener Filter versus Recurrent Neural Network-based 2D-Channel Estimation for V2X Communications
We compare the potential of neural network (NN)-based channel estimation...
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01/24/2021
On the Automorphism Group of Polar Codes
The automorphism group of a code is the set of permutations of the codew...
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12/14/2020
Automorphism Ensemble Decoding of Reed-Muller Codes
Reed-Muller (RM) codes are known for their good maximum likelihood (ML) ...
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12/02/2020
Iterative Detection and Decoding of Finite-Length Polar Codes in Gaussian Multiple Access Channels
We consider the usage of finite-length polar codes for the Gaussian mult...
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06/26/2020
Deep-learning Autoencoder for Coherent and Nonlinear Optical Communication
Motivated by the recent success of end-to-end training of communications...
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04/06/2020
Successive Eigenvalue Removal for Multi-Soliton Spectral Amplitude Estimation
Optical nonlinear Fourier transform-based communication systems require ...
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03/05/2020
WGAN-based Autoencoder Training Over-the-air
The practical realization of end-to-end training of communication system...
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02/21/2020
Massive MIMO Channel Measurements and Achievable Rates in a Residential Area
In this paper we present a measurement set-up for massive MIMO channel s...
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01/15/2020
CRC-Aided Belief Propagation List Decoding of Polar Codes
Although iterative decoding of polar codes has recently made huge progre...
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11/29/2019
Trainable Communication Systems: Concepts and Prototype
We consider a trainable point-to-point communication system, where both ...
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09/26/2019
Deep Learning-based Polar Code Design
In this work, we introduce a deep learning-based polar code construction...
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09/26/2019
Optimizing Polar Codes Compatible with Off-the-Shelf LDPC Decoders
Previous work showed that polar codes can be decoded using off-the-shelf...
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09/18/2019
SINR Analysis of Different Multicarrier Waveforms over Doubly Dispersive Channels
Wireless channels generally exhibit dispersion in both time and frequenc...
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07/22/2019
Achievable Rate Region for Iterative Multi-User Detection via Low-cost Gaussian Approximation
We establish a multi-user extrinsic information transfer (EXIT) chart ar...
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05/28/2019
Towards Practical Indoor Positioning Based on Massive MIMO Systems
We showcase the practicability of an indoor positioning system (IPS) sol...
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05/24/2019
On Recurrent Neural Networks for Sequence-based Processing in Communications
In this work, we analyze the capabilities and practical limitations of n...
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03/07/2019
Decoder-in-the-Loop: Genetic Optimization-based LDPC Code Design
Low-Density Parity-Check (LDPC) code design tools typically rely on the ...
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01/28/2019
Decoder-tailored Polar Code Design Using the Genetic Algorithm
We propose a new framework for constructing polar codes (i.e., selecting...
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01/19/2019
Genetic Algorithm-based Polar Code Construction for the AWGN Channel
We propose a new polar code construction framework (i.e., selecting the ...
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01/17/2019
Spatially Coupled LDPC Codes and the Multiple Access Channel
We consider spatially coupled low-density parity-check (SC-LDPC) codes w...
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01/08/2019
Enabling FDD Massive MIMO through Deep Learning-based Channel Prediction
A major obstacle for widespread deployment of frequency division duplex ...
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12/11/2018
Time-Bandwidth Product Perspective for Multi-Soliton Phase Modulation
Multi-soliton pulses are potential candidates for fiber optical transmis...
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12/11/2018
Efficient Precoding Scheme for Dual-Polarization Multi-Soliton Spectral Amplitude Modulation
Spectral amplitude modulation for dual-polarization multi-soliton transm...
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11/27/2018
Near Gaussian Multiple Access Channel Capacity Detection and Decoding
We consider the design of low-density parity-check (LDPC) codes with clo...
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10/02/2018
Avoiding Burst-like Error Patterns in Windowed Decoding of Spatially Coupled LDPC Codes
In this work, we analyze efficient window shift schemes for windowed dec...
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08/29/2018
Precoding for Dual Polarization Soliton Transmission
We consider dual-polarized optical multi-soliton pulse transmission. Mod...
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07/02/2018
Online Label Recovery for Deep Learning-based Communication through Error Correcting Codes
We demonstrate that error correcting codes (ECCs) can be used to constru...
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06/27/2018