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Control-Data Separation Architecture for Cellular Radio Access Networks: A Survey and Outlook

Mohamed, A, Onireti, O, Imran, MA, Imran, A and Tafazolli, R (2015) Control-Data Separation Architecture for Cellular Radio Access Networks: A Survey and Outlook IEEE Communications Surveys & Tutorials.

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Abstract

Conventional cellular systems are designed to ensure ubiquitous coverage with an always present wireless channel irrespective of the spatial and temporal demand of service. This approach raises several problems due to the tight coupling between network and data access points, as well as the paradigm shift towards data-oriented services, heterogeneous deployments and network densification. A logical separation between control and data planes is seen as a promising solution that could overcome these issues, by providing data services under the umbrella of a coverage layer. This article presents a holistic survey of existing literature on the control-data separation architecture (CDSA) for cellular radio access networks. As a starting point, we discuss the fundamentals, concept and general structure of the CDSA. Then, we point out limitations of the conventional architecture in futuristic deployment scenarios. In addition, we present and critically discuss the work that has been done to investigate potential benefits of the CDSA, as well as its technical challenges and enabling technologies. Finally, an overview of standardisation proposals related to this research vision is provided.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
AuthorsEmailORCID
Mohamed, AUNSPECIFIEDUNSPECIFIED
Onireti, OUNSPECIFIEDUNSPECIFIED
Imran, MAUNSPECIFIEDUNSPECIFIED
Imran, AUNSPECIFIEDUNSPECIFIED
Tafazolli, RUNSPECIFIEDUNSPECIFIED
Date : 30 June 2015
Identification Number : 10.1109/COMST.2015.2451514
Additional Information : Copyright 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 05 Aug 2015 13:30
Last Modified : 05 Aug 2015 13:30
URI: http://epubs.surrey.ac.uk/id/eprint/808019

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