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Performance comparison of DA-TDE and CMA for MIMO equalization in multimode multiplexing systems

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Abstract

In this paper, we compare performances of the constant modulus algorithm (CMA) and data-aided time domain equalization (DA-TDE) algorithm for mode demultiplexing in few mode transmission systems. Simulation results of \(4\times 56\ \hbox {Gbit/s}\) QPSK mode-division multiplexed system show that the maximum required OSNRs with CMA are less than that of DA-TDE by 0.8 and 4.6 dB for high maximum coupling coefficient of 0.15 and 0.20.

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Acknowledgments

This work was partly supported by 973 projects 2014CB340102, NSFC programs 61475022, 61331008, 863 programs 2013AA014202, Fund of state key laboratory of IPOC (BUPT), and the fundamental research funds for the central universities.

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Authors and Affiliations

  1. State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China

    Xin Xiang, Yan Li, Chaoran Tu, Jian Wu, Wei Li & Jintong Lin

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  1. Xin Xiang
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  2. Yan Li
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  3. Chaoran Tu
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  4. Jian Wu
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  5. Wei Li
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  6. Jintong Lin
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Correspondence to Yan Li.

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Xiang, X., Li, Y., Tu, C. et al. Performance comparison of DA-TDE and CMA for MIMO equalization in multimode multiplexing systems. Photon Netw Commun 32, 218–223 (2016). https://doi.org/10.1007/s11107-016-0614-7

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  • DOI: https://doi.org/10.1007/s11107-016-0614-7

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