Polarization-multiplexed LDPC-coded QAM robust to I-Q imbalance and polarization offset

Ivan B. Djordjevic; Lei Xu; Lybomir L. Minkov; Ting Wang; Shaoliang Zhang

doi:10.1117/12.888343

18 February 2011 Polarization-multiplexed LDPC-coded QAM robust to I-Q imbalance and polarization offset

Ivan B. Djordjevic, Lei Xu, Lybomir L. Minkov, Ting Wang, Shaoliang Zhang

Proceedings Volume 7988, Optical Transmission Systems, Switching, and Subsystems VIII; 79881F (2011) https://doi.org/10.1117/12.888343
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

Polarization-multiplexed LDPC-coded QAM robust to I-Q imbalance and polarization offset is proposed. Efficient mitigation of I-Q imbalance and polarization offset is demonstrated with LDPC-coded turbo equalization by simultaneous MAP detection of symbols transmitted over two orthogonal polarizations. The proposed scheme is much more efficient in I-Q imbalance and polarization offset compensation than conventional approaches.

Citation Download Citation

Ivan B. Djordjevic, Lei Xu, Lybomir L. Minkov, Ting Wang, and Shaoliang Zhang "Polarization-multiplexed LDPC-coded QAM robust to I-Q imbalance and polarization offset", Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 79881F (18 February 2011); https://doi.org/10.1117/12.888343

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