Abstract
Constellation shaping has been widely used in optical communication systems. We review recent advances in two-dimensional constellation shaping technologies for fiber-optic communications. The system architectures that are discussed include probabilistic shaping, geometric shaping, and hybrid probabilistic-geometric shaping solutions. The performances of the three shaping schemes are also evaluated for Gaussian-noise-limited channels.
| Original language | English (US) |
|---|---|
| Article number | 1889 |
| Journal | Applied Sciences (Switzerland) |
| Volume | 9 |
| Issue number | 9 |
| DOIs | |
| State | Published - May 1 2019 |
Keywords
- Constellation shaping
- Fiber-optic communications
- Generalized mutual information
- Geometric shaping
- Mutual information
- Probabilistic shaping
- Quadrature amplitude modulation
ASJC Scopus subject areas
- General Materials Science
- Instrumentation
- General Engineering
- Process Chemistry and Technology
- Computer Science Applications
- Fluid Flow and Transfer Processes
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