Cellular access multi-tenancy through small-cell virtualization and common RF front-end sharing

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dc.contributor.author Mendes, José
dc.contributor.author Jiao, XianJun
dc.contributor.author Garcia-Saavedra, Andrés
dc.contributor.author Huici, Felipe
dc.contributor.author Moerman, Ingrid
dc.date.accessioned 2019-03-21T09:03:55Z
dc.date.available 2019-03-21T09:03:55Z
dc.date.issued 2018-10-25
dc.identifier.bibliographicCitation Mendes, J., Jiao, X., García-Saavedra, A., Huici, F. y Moerman, I. (2019). Cellular access multitenancy through small-cell virtualization and common RF front-end sharing. Computer Communications, 133, January, pp. 59-66
dc.identifier.issn 0140-3664
dc.identifier.uri http://hdl.handle.net/10016/28224
dc.description.abstract Mobile traffic demand is expected to grow as much as eight-fold in the coming next five years, putting strain in current wireless infrastructures. Meanwhile the diversity of traffic and standards may explode as well. One of the most common means for matching these mounting requirements is through network densification, essentially increasing the density of deployment of operators’ base stations in many small cells and handling timing critical traffic at the edge. In this paper we take a step in that direction by implementing a virtualized small cell base station consisting of multiple, isolated LTE PHY stacks running concurrently on top of a hypervisor deployed on a cheap, off-the-shelf x86 server and a shared radio head. In particular, we show that it is possible to run multiple virtualized base stations while achieving throughput equal or close to the theoretical maximum. In contrast to C-RAN (Cloud/Centralized Radio Access Network), our virtualized small cell base station has full stack at the edge so that a low latency high throughput front-haul, which is necessary in C-RAN architecture, is not needed. This approach brings all the flexibility and configurability (from network management point of view) that a software based implementation provides while the transparent architecture enables the possibility of multiple standards sharing the same radio infrastructure.
dc.description.sponsorship The projects leading to this paper has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 67156 (Flex5Gware), no. 732174 (ORCA project) and no. 761536 (5G-Transformer).
dc.format.extent 8
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2018 The Authors. Published by Elsevier B.V.
dc.rights SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.title Cellular access multi-tenancy through small-cell virtualization and common RF front-end sharing
dc.type article
dc.subject.eciencia Telecomunicaciones
dc.identifier.doi https://doi.org/10.1016/j.comcom.2018.10.010
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/67156
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/732174
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/761536
dc.type.version publishedVersion
dc.identifier.publicationfirstpage 59
dc.identifier.publicationlastpage 66
dc.identifier.publicationtitle Computer Communications
dc.identifier.publicationvolume 133
dc.contributor.funder European Commission
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