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Performance evaluation of SDN-controlled green mobile fronthaul using a federation of experimental network testbeds

  • Koteswararao KondepuEmail author
  • Andrea Sgambelluri
  • Filippo Cugini
  • Piero Castoldi
  • Raquel Aparicio Morenilla
  • David Larrabeiti
  • Brecht Vermeulen
  • Luca Valcarenghi
Original Paper
  • 330 Downloads

Abstract

When evolved NodeB flexible functional split is implemented in virtualized radio access network 5G systems, fronthaul connectivity between the virtualized network functions (VNFs) must be seamlessly guaranteed. This study proposes the utilization of software defined networking (SDN) to control the mobile fronthaul. In particular, this study investigates the ability of the SDN-based control of reconfiguring the fronthaul to maintain VNF connectivity when cell and optical access turn into sleep mode (off mode) for energy efficiency purposes. The evaluation of the proposed scheme is performed by federating two remote experimental testbeds. Results show that, upon cell and optical access turning on and off, the fronthaul reconfiguration time is limited to few tens of milliseconds.

Keywords

SDN Fronthaul 5G Virtualized RAN TWDM PONs Energy savings 

Notes

Acknowledgements

This work was supported in part by the Fed4FIRE project (“Federation for FIRE”), an integrated project funded by the European Commission through the 7th ICT Framework Program (318389), partly by the EU-funded Wishful Project (645274), and partly by the EU-funded 5G-Crosshaul Project (671598).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Koteswararao Kondepu
    • 1
    Email author
  • Andrea Sgambelluri
    • 1
  • Filippo Cugini
    • 2
  • Piero Castoldi
    • 1
  • Raquel Aparicio Morenilla
    • 3
  • David Larrabeiti
    • 3
  • Brecht Vermeulen
    • 4
  • Luca Valcarenghi
    • 1
  1. 1.Scuola Superiore Sant’AnnaPisaItaly
  2. 2.CNITPisaItaly
  3. 3.Universidad Carlos III de MadridMadridSpain
  4. 4.IMEC/Ghent UniversityGhentBelgium

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