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Post-FEC performance evaluation of coherent QPSK system with an enhanced pilot-aided CPE scheme

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Abstract

In this paper, a simple and robust pilot-aided carrier phase estimation scheme with a modified phase unwrapping is proposed. The principle of the proposed phase unwrapping is shown with a step-by-step procedure. Further, we test the post-FEC BER performance for the pilot-aided carrier phase estimation scheme with the traditional and proposed phase unwrapping. For the proposed phase unwrapping, a cycle slip rate reduction of about 10 times is achieved than the case using the traditional phase unwrapping through simulations in the presence of Wiener phase noise. Finally, we present a 2.2 Eb/N0 gain and post-FEC error-free performance with only 0.78 % pilot overhead in a 32-Gbaud QPSK system using soft-decision forward error correction.

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References

  1. Bisplinghoff, A., Fludger, C., Kupfer, T., Schmauss, B.: Carrier and phase recovery algorithms for qam constellations: real-time implementations. In: Liu, X., Lu, C., Shieh, W., Cartledge, J., Savory, S., Xie, C. (eds.) Advanced Photonics 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper SPM4D.1

  2. Bisplinghoff, A., Vogel, C., Kupfer, T., Langenbach, S., Schmauss,B.: Slip-reduced carrier phase estimation for coherent transmission in the presence of non-linear phase noise. In: Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper OTu3I.1

  3. Viterbi, A.: Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission. IEEE Trans Inf Theory 29(4), 543–551 (1983)

    Article  MATH  Google Scholar 

  4. Ibragimov, E., Zhang, B., Schmidt, T. J., Malouin, C., Fediakine, N., Jiang,H.: Cycle slip probability in 100G PM-QPSK systems. In: Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2010), paper OWE2

  5. Yu, F., Stojanovic, N., Hauske, F. N., Chang, D., Bauch, G., Pflueger, D., Xie, C., Zhao, Y., Xiao, Z., Li, L., Xu, X., Xiong,Q.: Soft-decision LDPC turbo decoding for DQPSK modulation in coherent optical receivers. In: 37th European Conference and Exposition on Optical Communications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper We.10.P1.70

  6. Cheng, H., Li, Y., Kong, D., Zang, J., Wu, J., Lin, J.: Low overhead slipless carrier phase estimation scheme. Opt. Express 22, 20740–20747 (2014)

    Article  Google Scholar 

  7. Peng, F.: Phase Noise Estimation for Coherent Fiber-Optic Communication. Master’s thesis, Chalmers Univ. of Technology, Gothenburg, Sweden (2010)

  8. Ito, G., Yoshida, Y., Ito, T., Fukuchi, K., Kitayama, K.: A linear-MMSE Mth power-law phase estimator for symmetric Lévy-process phase noise in M-PSK transmission. In: OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), 2013 18th, vol. no., pp.1,2, June 30 2013–July 4 2013

  9. DVB-S.2 Standard Specification ETSI EN 302 307 V1.3.1 (2013-03)

  10. OIF-FEC-100G-01.0, 100G Forward Error Correction White Paper (2010)

  11. Lin, S., Diao, Q., Blake, I.: Error floors and finite geometries. In: 8th International Symposium onTurbo Codes and Iterative Information Processing (ISTC), 2014, vol. no., pp.42,46, 18–22 August 2014

  12. Magarini, M., Spalvieri, A., Vacondio, F., Bertolini, M., Pepe, M., Gavioli, G.: Empirical modeling and simulation of phase noise in long-haul coherent optical transmission systems. Opt. Express 19, 22455–22461 (2011)

    Article  Google Scholar 

Download references

Acknowledgments

This work was partly supported by 863 program 2013AA014202,2015AA015503, NSFC program 61475022, 61331008, fund of State Key Laboratory of Information Photonics and Optical Communications (BUPT), the fundamental research funds for the central universities, and the research project G-SB38 of the Hong Kong Polytechnic University.

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Correspondence to Yan Li.

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Cheng, H., Chen, H., Li, Y. et al. Post-FEC performance evaluation of coherent QPSK system with an enhanced pilot-aided CPE scheme. Photon Netw Commun 32, 230–235 (2016). https://doi.org/10.1007/s11107-016-0630-7

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  • DOI: https://doi.org/10.1007/s11107-016-0630-7

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