Sequence-selection-based constellation shaping for nonlinear channels

S Civelli, E Forestieri, M Secondini - Journal of Lightwave …, 2024 - opg.optica.org
Probabilisticshaping is, nowadays, a pragmatic and popular approach to improve the
performance of coherent optical fiber communication systems. In the linear regime, the …

Low-complexity two-stage carrier phase recovery using principal component reconstruction analysis and optimal decision maximum likelihood for PS-MQAM systems

X Tang, J Ren, B Liu, Y Mao, X Wu, X Song, S Chen… - Optics …, 2024 - opg.optica.org
A low-complexity two-stage carrier phase recovery (CPR) scheme based on principal
component reconstruction analysis and optimal decision maximum likelihood (PCRA-OML) …

BICM-compatible Rate Adaptive Geometric Constellation Shaping Using Optimized Many-to-one Labeling

MP Yankov, S Swain, O Jovanovic… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
In this paper, a rate adaptive geometric constellation shaping (GCS) scheme which is fully
backward-compatible with existing state of the art bit-interleaved coded modulation (BICM) …

Sequence Selection With Dispersion-Aware Metric for Long-Haul Transmission Systems

J Liu, É Awwad, H Hafermann… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Sequence selection (SS) potentially offers a pragmatic way to unlock nonlinear shaping
gains in coherent optical fiber communications beyond those offered by probabilistic …

Joint equalization of RSOP and PMD fused probability-aware with square-root cubature Kalman filter for the PDM PCS-64QAM system under extreme scenarios

Z Sun, H Xu, J Qiao, M Wang, Y Zhang, C Bai… - Optics …, 2024 - opg.optica.org
Extreme scenario of lightning strikes would generate ultra-fast rotation of state-of-
polarization (RSOP) up to 5.1? Mrad/s and large polarization mode dispersion (PMD) in …

Approximate maximum a posteriori carrier phase estimator for Wiener phase noise channels using belief propagation

S Chimmalgi, A Rode, L Schmid… - … Conference on Optical …, 2023 - ieeexplore.ieee.org
The blind phase search (BPS) algorithm for carrier phase estimation is known to have
suboptimal performance for probabilistically shaped constellations. We present a belief …

Experimental Comparison of Carrier Phase Recovery Algorithms for Uniform and Probabilistically Shaped QAM in a 324.1 Gb/S Fiber-mm-Wave Integration System at …

J Zhang, J Zhang, Q Wang, J Chen, W Luo, S Xiang… - Photonics, 2023 - mdpi.com
We have experimentally implemented a photonics-aided large-capacity fiber-mm-wave
wireless communication system employing a simple dual-polarized single-input single …

Nonlinear Probabilistic Constellation Shaping with Sequence Selection

S Civelli, E Forestieri, M Secondini - arXiv preprint arXiv:2307.13292, 2023 - arxiv.org
Probabilistic shaping is a pragmatic approach to improve the performance of coherent
optical fiber communication systems. In the nonlinear regime, the advantages offered by …

Perturbation-based Sequence Selection for Probabilistic Amplitude Shaping

MT Askari, L Lampe - arXiv preprint arXiv:2407.09006, 2024 - arxiv.org
We introduce a practical sign-dependent sequence selection metric for probabilistic
amplitude shaping and propose a simple method to predict the gains in signal-to-noise ratio …

Sequence selection for nonlinear probabilistic shaping: toward a practical implementation

S Civelli, E Forestieri… - 49th European Conference …, 2023 - ieeexplore.ieee.org
Sequence selection for nonlinear probabilistic shaping: toward a practical implementation Page
1 Sequence Selection for Nonlinear Probabilistic Shaping: Toward a Practical Implementation …