A flexible network architecture for 5G systems

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dc.contributor.author Shariat, Mehrdad
dc.contributor.author Bulakci, Ömer
dc.contributor.author De Domenico, Antonio
dc.contributor.author Mannweiler, Christian
dc.contributor.author Gramaglia, Marco
dc.contributor.author Wei, Qing
dc.contributor.author Gopalasingham, Aravinthan
dc.contributor.author Pateromichelakis, Emmanouil
dc.contributor.author Moggio, Fabrizio
dc.contributor.author Tsolkas, Dimitris
dc.contributor.author Gajic, Borislava
dc.contributor.author Crippa, Marcos Rates
dc.contributor.author Khatibi, Sina
dc.date.accessioned 2019-03-29T13:19:53Z
dc.date.available 2019-03-29T13:19:53Z
dc.date.issued 2019-02-11
dc.identifier.bibliographicCitation Wireless communications and mobile computing, Vol. 2019, Article ID 5264012, 19 pages
dc.identifier.issn 1530-8669
dc.identifier.issn 1530-8677 (online)
dc.identifier.uri http://hdl.handle.net/10016/28261
dc.description.abstract In this paper, we define a flexible, adaptable, and programmable architecture for 5G mobile networks, taking into consideration the requirements, KPIs, and the current gaps in the literature, based on three design fundamentals: (i) split of user and control plane, (ii) service-based architecture within the core network (in line with recent industry and standard consensus), and (iii) fully flexible support of E2E slicing via per-domain and cross-domain optimisation, devising inter-slice control and management functions, and refining the behavioural models via experiment-driven optimisation. The proposed architecture model further facilitates the realisation of slices providing specific functionality, such as network resilience, security functions, and network elasticity. The proposed architecture consists of four different layers identified as network layer, controller layer, management and orchestration layer, and service layer. A key contribution of this paper is the definition of the role of each layer, the relationship between layers, and the identification of the required internal modules within each of the layers. In particular, the proposed architecture extends the reference architectures proposed in the Standards Developing Organisations like 3GPP and ETSI, by building on these while addressing several gaps identified within the corresponding baseline models. We additionally present findings, the design guidelines, and evaluation studies on a selected set of key concepts identified to enable flexible cloudification of the protocol stack, adaptive network slicing, and inter-slice control and management.
dc.description.sponsorship This work has been performed in the framework of the H2020 project 5G-MoNArch co-funded by the EU
dc.format.extent 19
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Hindawi
dc.rights © 2019 Mehrdad Shariat et al.
dc.rights This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
dc.rights Atribución 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by/3.0/es/
dc.subject.other Computer networks
dc.subject.other 5G mobile communication
dc.title A flexible network architecture for 5G systems
dc.type article
dc.subject.eciencia Telecomunicaciones
dc.identifier.doi https://doi.org/10.1155/2019/5264012
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/761445/5G-MoNArch
dc.type.version publishedVersion
dc.identifier.publicationfirstpage 1
dc.identifier.publicationissue Article ID 5264012
dc.identifier.publicationlastpage 19
dc.identifier.publicationtitle WIRELESS COMMUNICATIONS & MOBILE COMPUTING
dc.identifier.publicationvolume 2019
dc.identifier.uxxi AR/0000023233
dc.contributor.funder European Commission
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