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10 Gbps CPRI signals transmission impaired by intercore crosstalk in 5G network fronthauls with multicore fibers

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Abstract

The impact of intercore crosstalk (ICXT) of weakly-coupled multicore fibers (MCFs) on the transmission performance of a Common Public Radio Interface (CPRI) signal in 5G networks fronthaul is studied by numerical simulation. The results show that forward error correction-supported CPRI signals have more tolerance to ICXT due to the higher targeted bit error rate (of 10−3). For a receiver power penalty of 1 dB, an improvement of the tolerance of CPRI signals to ICXT, due to the increase of the MCF skew by about 1 dB, is observed. However, for the crosstalk levels that lead to 1 dB power penalty, we have shown that, the system is unavailable with a high probability. The crosstalk level required for an acceptable outage probability is about 10 dB lower than the crosstalk level leading to 1 dB power penalty.

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Acknowledgements

This work was supported in part by Fundação para a Ciência e a Tecnologia (FCT) from Portugal under the project of Instituto de Telecomunicações AMEN-ID/EEA/50008/2013.

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Authors and Affiliations

  1. ISCTE-Instituto Universitario de Lisboa, Lisbon, Portugal

    João L. Rebola, Adolfo V. T. Cartaxo & André S. Marques

  2. Instituto de Telecomunicações, Lisbon, Portugal

    João L. Rebola & Adolfo V. T. Cartaxo

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  1. João L. Rebola
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Correspondence to João L. Rebola.

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Rebola, J.L., Cartaxo, A.V.T. & Marques, A.S. 10 Gbps CPRI signals transmission impaired by intercore crosstalk in 5G network fronthauls with multicore fibers. Photon Netw Commun 37, 409–420 (2019). https://doi.org/10.1007/s11107-019-00828-0

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