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Energy Efficiency Benefits of RAN-as-a-Service Concept for a Cloud-Based 5G Mobile Network Infrastructure

Sabella, D, de Domenico, A, Katranaras, E, Imran, MA, di Girolamo, M, Salim, U, Lalam, M, Samdanis, K and Maeder, A (2014) Energy Efficiency Benefits of RAN-as-a-Service Concept for a Cloud-Based 5G Mobile Network Infrastructure Access, IEEE, 2. pp. 1586-1597.

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Abstract

This paper focuses on energy efficiency aspects and related benefits of radio-access-network-as-a-service (RANaaS) implementation (using commodity hardware) as architectural evolution of LTE-advanced networks toward 5G infrastructure. RANaaS is a novel concept introduced recently, which enables the partial centralization of RAN functionalities depending on the actual needs as well as on network characteristics. In the view of future definition of 5G systems, this cloud-based design is an important solution in terms of efficient usage of network resources. The aim of this paper is to give a vision of the advantages of the RANaaS, to present its benefits in terms of energy efficiency and to propose a consistent system-level power model as a reference for assessing innovative functionalities toward 5G systems. The incremental benefits through the years are also discussed in perspective, by considering technological evolution of IT platforms and the increasing matching between their capabilities and the need for progressive virtualization of RAN functionalities. The description is complemented by an exemplary evaluation in terms of energy efficiency, analyzing the achievable gains associated with the RANaaS paradigm.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
AuthorsEmailORCID
Sabella, DUNSPECIFIEDUNSPECIFIED
de Domenico, AUNSPECIFIEDUNSPECIFIED
Katranaras, EUNSPECIFIEDUNSPECIFIED
Imran, MAUNSPECIFIEDUNSPECIFIED
di Girolamo, MUNSPECIFIEDUNSPECIFIED
Salim, UUNSPECIFIEDUNSPECIFIED
Lalam, MUNSPECIFIEDUNSPECIFIED
Samdanis, KUNSPECIFIEDUNSPECIFIED
Maeder, AUNSPECIFIEDUNSPECIFIED
Date : 18 December 2014
Identification Number : 10.1109/ACCESS.2014.2381215
Uncontrolled Keywords : 5G mobile communication, Cloud computing, Energy efficiency, Long Term Evolution, Mobile communication, Network architecture, Radio access network, Virtualization, RAN-as-a-Service, Power model, Cloud-RAN
Additional Information : © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 04 Feb 2015 10:16
Last Modified : 04 Feb 2015 14:33
URI: http://epubs.surrey.ac.uk/id/eprint/807133

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