On the Performance of Multidimensional Constellation Shaping for Linear and Nonlinear Optical Fiber Channel
Bin Chen, Zhiwei Liang, Shen Li, Yi Lei, Gabriele Liga and, Alex Alvarado
TL;DR
This paper compares multidimensional constellation shaping techniques for optical fiber channels, revealing that no single constellation is optimal universally and emphasizing the importance of considering SNR balance for specific scenarios.
Contribution
It provides a comprehensive comparison of 32-dimensional constellation shaping methods for optical fibers, highlighting the scenario-dependent performance and the need for joint SNR considerations.
Findings
No universal constellation is optimal across all scenarios.
Performance depends on the balance of required and effective SNRs.
Simulations show scenario-specific advantages of different constellations.
Abstract
Multidimensional constellation shaping of up to 32 dimensions with different spectral efficiencies are compared through AWGN and fiber-optic simulations. The results show that no constellation is universal and the balance of required and effective SNRs should be jointly considered for the specific optical transmission scenario.
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Taxonomy
TopicsOptical Network Technologies · Advanced Photonic Communication Systems · Semiconductor Lasers and Optical Devices