Impact of RAN Virtualization on Fronthaul Latency Budget: An Experimental Evaluation

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dc.contributor.author Giannone, Francesco
dc.contributor.author Gupta, Himadri
dc.contributor.author Kondepu, Koteswararao
dc.contributor.author Manicone, D.
dc.contributor.author Franklin, A.
dc.contributor.author Castoldi, Piero
dc.contributor.author Valcarenghi, Luca
dc.date.accessioned 2018-07-13T09:25:04Z
dc.date.available 2018-07-13T09:25:04Z
dc.date.issued 2018-01-25
dc.identifier.bibliographicCitation Giannone, F., Gupta, H., Kondepu, K., Manicone, D., Franklin, A., Castoldi, P., Valcarenghi, L. (2018). Impact of RAN Virtualization on Fronthaul Latency Budget: An Experimental Evaluation. Paper submitted in 2017 IEEE Globecom Workshops (GC Wkshps). Singapore: IEEE.
dc.identifier.isbn 978-1-5386-3920-7
dc.identifier.isbn (PoD) 978-1-5386-3921-4
dc.identifier.uri http://hdl.handle.net/10016/27185
dc.description.abstract In 3GPP the architecture of a New Radio Access Network (New RAN) has been defined where the evolved NodeB (eNB) functions can be split between a Distributed Unit (DU) and Central Unit (CU). Furthermore, in the virtual RAN (VRAN) approach, such functions can be virtualized (e.g., in simple terms, deployed in virtual machines). Based on the split type, different performance in terms of capacity and latency are requested to the network (i.e., fronthaul) connecting DU and CU. This study experimentally evaluates, in the 5G segment of the Advanced Research on NetwOrking (ARNO) testbed (ARNO-5G), the fronthaul latency requirements specified by Standard Developing Organizations (SDO) (3GPP in this specific case). Moreover it evaluates how much virtualization impacts the fronthaul latency budget for the the Option 7-1 functional split. The obtained results show that, in the considered Option 7-1 functional split, the fronthaul latency requirements are about 250 μs but they depend on the radio channel bandwidth and the number of the connected UEs. Finally virtualization further decreases the latency budget.
dc.description.sponsorship This work has been partially funded by the EU H2020 5GTransformer Project (grant no. 761536)
dc.format.extent 5
dc.format.mimetype application/pdf
dc.language.iso eng
dc.rights © 2018 IEEE
dc.subject.other 5G
dc.subject.other Functional split
dc.subject.other NGFI
dc.subject.other DU
dc.subject.other CU
dc.subject.other Testbed
dc.title Impact of RAN Virtualization on Fronthaul Latency Budget: An Experimental Evaluation
dc.type conferenceObject
dc.type bookPart
dc.subject.eciencia Telecomunicaciones
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/761536
dc.type.version acceptedVersion
dc.relation.eventdate 4-8 december, 2017
dc.relation.eventplace Singapore
dc.relation.eventtitle IEEE Globecom
dc.relation.eventtype proceeding
dc.identifier.publicationtitle 2017 IEEE Globecom Workshops
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