Abstract
A blind modulation format identification method based on fourth-power eigenvalues is proposed for variable-rate optical transmission systems employing probabilistic shaping technology and high-order modulation formats. By using the fast Fourier transformation (FFT) peak value and variance after the received signal passes through fourth-power operation, accurate identification of high order modulation formats with probabilistic shaping and polarization multiplexing can be realized. A high-speed long-haul coherent optical transmission system is built on the platform of the joint simulation to verify the effectiveness of the method.
| Translated title of the contribution | A Modulation Format Identification Method for Probabilistic Shaping Optical Transmission System |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 79-82 and 126 |
| Journal | Beijing Youdian Xueyuan Xuebao/Journal of Beijing University of Posts And Telecommunications |
| Volume | 42 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1 Jun 2019 |
| Externally published | Yes |
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