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25 October 2018 Optical modulation format recognition for polarization-multiplexed coherent system using Chinese restaurant process
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Abstract
Abstract-In digital coherent optical receivers for various polarization-multiplexed high-order modulation formats such as BPSK、QPSK、8PSK and 16QAM signals, we propose and investigate a blind modulation format recognition method using the Chinese Restaurant Process, a kind of Dirichlet model, which is based on the observation of samples in Stokes space. The recognition rates of different number of data points under different optical signal-to-noise ratios (OSNRs) are investigated in detail for four modulation formats. In addition, the recognition characteristics of the proposed method are compared with other format recognition methods in Stokes space. It is shown that the approach has a better performance with higher recognition rates, particularly under a lower OSNR.
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Mengji Sun, Muguang Wang, Yuxiao Guo, Hongqian Mu, Beilei Wu, and Shuisheng Jian "Optical modulation format recognition for polarization-multiplexed coherent system using Chinese restaurant process", Proc. SPIE 10822, Real-time Photonic Measurements, Data Management, and Processing III, 108220W (25 October 2018); https://doi.org/10.1117/12.2503574
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