Joint learning of geometric and probabilistic constellation shaping

M Stark, FA Aoudia, J Hoydis - 2019 IEEE Globecom …, 2019 - ieeexplore.ieee.org
The choice of constellations largely affects the performance of communication systems.
When designing constellations, both the locations and probability of occurrence of the points …

Joint learning of probabilistic and geometric shaping for coded modulation systems

FA Aoudia, J Hoydis - GLOBECOM 2020-2020 IEEE Global …, 2020 - ieeexplore.ieee.org
We introduce a trainable coded modulation scheme that enables joint optimization of the bit-
wise mutual information (BMI) through probabilistic shaping, geometric shaping, bit labeling …

End-to-end learning of joint geometric and probabilistic constellation shaping

V Aref, M Chagnon - 2022 Optical Fiber Communications …, 2022 - ieeexplore.ieee.org
We present a novel autoencoder-based learning of joint geometric and probabilistic
constellation shaping for coded-modulation systems. It can maximize either the mutual …

Geometric constellation shaping for fiber optic communication systems via end-to-end learning

RT Jones, TA Eriksson, MP Yankov, BJ Puttnam… - arXiv preprint arXiv …, 2018 - arxiv.org
In this paper, an unsupervised machine learning method for geometric constellation shaping
is investigated. By embedding a differentiable fiber channel model within two neural …

End-to-end learning of geometrical shaping maximizing generalized mutual information

K Gümüş, A Alvarado, B Chen… - 2020 Optical Fiber …, 2020 - ieeexplore.ieee.org
GMI-based end-to-end learning is shown to be highly nonconvex. We apply gradient
descent initialized with Gray-labeled APSK constellations directly to the constellation …

End-to-end learning of a constellation shape robust to variations in SNR and laser linewidth

O Jovanovic, MP Yankov, F Da Ros… - … Conference on Optical …, 2021 - ieeexplore.ieee.org
We propose an autoencoder-based geometric shaping that learns a constellation robust to
SNR and laser linewidth estimation errors. This constellation maintains shaping gain in …

End-to-end learning for GMI optimized geometric constellation shape

RT Jones, MP Yankov, D Zibar - 45th European Conference on …, 2019 - ieeexplore.ieee.org
Autoencoder-based geometric shaping is proposed that includes optimizing bit mappings.
Up to 0.2 bits/QAM symbol gain in GMI is achieved for a variety of data rates and in the …

Deep learning constellation design for the AWGN channel with additive radar interference

F Alberge - IEEE Transactions on Communications, 2018 - ieeexplore.ieee.org
Radar and wireless communication coexistence is considered in this paper as a possible
solution to face the exploding demand and rising congestion in wireless networks. The …

Prefix-free code distribution matching for probabilistic constellation shaping

J Cho - IEEE Transactions on Communications, 2019 - ieeexplore.ieee.org
In this paper, we construct variable-length prefix-free codes that are optimal (or near-
optimal) in the sense that no (or few) other codes of the same cardinality can achieve a …

End-to-end learning of a constellation shape robust to channel condition uncertainties

O Jovanovic, MP Yankov, F Da Ros… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Vendor interoperability is one of the desired future characteristics of optical networks. This
means that the transmission system needs to support a variety of hardware with different …