Abstract

The impact of intercore crosstalk (ICXT) of weakly-coupled multicore fibers on the transmission performance of a Common Public Radio Interface (CPRI) signal in 5G networks is studied by numerical simulation. The results show that forward error correction-supported CPRI signals (accepting higher bit error rates) have more tolerance to ICXT, which increases with the skew between cores. Improvement of the tolerance of CPRI signals to the ICXT, due to the increase of the skew, by 1.7 dB is shown.

Highlights

  • The results show that forward error correction-supported Common Public Radio Interface (CPRI) signals have more tolerance to ICXT, which increases with the skew between cores

  • The impact of ICXT on the transmission performance of the CPRI signals is studied by simulation

  • We have set the number of multicore fibers (MCFs) realizations to 103 as a conservative choice for the CPRI signal with 10.1376 Gbps

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Summary

Introduction

ABSTRACT The impact of intercore crosstalk (ICXT) of weakly-coupled multicore fibers on the transmission performance of a Common Public Radio Interface (CPRI) signal in 5G networks is studied by numerical simulation. The results show that forward error correction-supported CPRI signals (accepting higher bit error rates) have more tolerance to ICXT, which increases with the skew between cores. One fiber realization is calculated in each simulation iteration, where the bits of the CPRI signal to be transmitted in core m are randomly generated.

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