5G-XHaul: a converged optical and wireless solution for 5G transport networks

Jesús Gutiérrez*, Nebojsa Maletic, Daniel Camps-Mur, Eduard García, Ignacio Berberana, Markos Anastasopoulos, Anna Tzanakaki, Vaia Kalokidou, Paris Flegkas, Dimitris Syrivelis, Thanasis Korakis, Peter Legg, Dusan Markovic, George Lyberopoulos, Jens Bartelt, Jay Kant Chaudhary, Michael Grieger, Nikola Vucic, Jim Zou, Eckhard Grass

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

18 Citations (Scopus)
272 Downloads (Pure)


The common European Information and Communications Technology sector vision for 5G is that it should leverage on the strengths of both optical and wireless technologies. In the 5G context, a wide spectra of radio access technologies—such as millimetre wave transmission, massive multiple-input multiple-output and new waveforms—demand for high capacity, highly flexible and convergent transport networks. As the requirements imposed on future 5G networks rise, so do the challenges in the transport network. Hence, 5G-XHaul proposes a converged optical and wireless transport network solution with a unified control plane based on software defined networking. This solution is able to support the flexible backhaul and fronthaul—X-Haul—options required to tackle the future challenges imposed by 5G radio access technologies. 5G-XHaul studies the trade-offs involving fully or partially converged backhaul and fronthaul functions, with the aim of maximising the associated sharing benefits, improving efficiency in resource utilisation and providing measurable benefits in terms of overall cost, scalability and sustainability.
Original languageEnglish
Pages (from-to)1187-1195
Number of pages9
JournalTransactions on Emerging Telecommunications Technologies
Issue number9
Early online date18 Jul 2016
Publication statusPublished - 5 Sep 2017

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