Linewidth-Tolerant and Low-Complexity Two-Stage Carrier Phase Estimation Based on Modified QPSK Partitioning for Dual-Polarization 16-QAM Systems

@article{Zhong2013LinewidthTolerantAL,
  title={Linewidth-Tolerant and Low-Complexity Two-Stage Carrier Phase Estimation Based on Modified QPSK Partitioning for Dual-Polarization 16-QAM Systems},
  author={Kang Zhong and Jian Hong Ke and Ying Gao and J. C. Cartledge},
  journal={Journal of Lightwave Technology},
  year={2013},
  volume={31},
  pages={50-57}
}
Three novel linewidth-tolerant, low-complexity, two-stage feed-forward carrier phase estimation algorithms are introduced for dual-polarization 16-ary quadrature amplitude modulation (DP 16-QAM) with coherent detection. The first stage employs either the quadrature phase-shift keying (QPSK) partitioning algorithm, simplified QPSK partitioning algorithm, or blind phase search (BPS) algorithm. The second stage employs a novel modified QPSK partitioning algorithm. Based on experimental data, all… CONTINUE READING
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Phase-Noise-Tolerant Two-Stage Carrier Recovery Concept for Higher Order QAM Formats

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