An Architecture to offer Cloud-Based Radio Access Network as a Service

Ferreira, Lucio Studer; Pichon, Dominique; Hatefi, Atoosa; Nobre Gomes, André Sérgio; Dimitrova, Desislava Cvetanova; Braun, Torsten; Karagiannis, Georgios; Karimzadeh, Morteza; Branco, Monica; Correia, Luis M. (23 June 2014). An Architecture to offer Cloud-Based Radio Access Network as a Service. In: European Conference on Networks and Communications 2014 (EuCNC 2014) (pp. 1-5). IEEE 10.1109/EuCNC.2014.6882627

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This paper addresses the novel notion of offering a radio access network as a service. Its components may be instantiated on general purpose platforms with pooled resources (both radio and hardware ones) dimensioned on-demand, elastically and following the pay-per-use principle. A novel architecture is proposed that supports this concept. The architecture's success is in its modularity, well-defined functional elements and clean separation between operational and control functions. By moving much processing traditionally located in hardware for computation in the cloud, it allows the optimisation of hardware utilization and reduction of deployment and operation costs. It enables operators to upgrade their network as well as quickly deploy and adapt resources to demand. Also, new players may easily enter the market, permitting a virtual network operator to provide connectivity to its users.

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