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5G-XHaul: A Novel Wireless-Optical SDN Transport Network to Support Joint 5G Backhaul and Fronthaul Services

Research output: Contribution to journalArticle

Original languageEnglish
Number of pages7
JournalIEEE Communications Magazine
Early online date27 May 2019
DOIs
DateAccepted/In press - 25 Mar 2019
DateE-pub ahead of print (current) - 27 May 2019

Abstract

The increased carrier bandwidth and the number of antenna elements expected in 5G networks require a redesign of the traditional IP-based backhaul and CPRI-based fronthaul interfaces used in 4G networks. We envision future mobile networks to encompass these legacy interfaces together with novel 5G RAN functional splits. In this scenario, a consistent transport network architecture able to jointly support backhaul and 4G/5G fronthaul interfaces is of paramount importance. In this article we present 5G-XHaul, a novel transport network architecture featuring wireless and optical technologies and a multi-technology software defined control plane, which is able to jointly support backhaul and fronthaul services. We have deployed and validated the 5G-XHaul architecture in a city-wide testbed in Bristol.

    Research areas

  • radio access networks, 5G, fronthaul, backhaul, optical networks, SDN

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via IEEE at https://ieeexplore.ieee.org/document/8722598 . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 2 MB, PDF document

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