Modelling and implementation of virtual radio resources management for 5G Cloud RAN View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2017-07-19

AUTHORS

Sina Khatibi, Luísa Caeiro, Lúcio S. Ferreira, Luis M. Correia, Navid Nikaein

ABSTRACT

The virtualisation of Radio Access Networks (RANs) is one of the goals in designing 5G mobile networks. This paper aims at presenting a proof of concept for the virtualisation of radio resources using Open Air Interface (OAI), a software-based Long-Term Evolution (LTE) eNodeB physical emulator. OAI was extended to support multi-tenancy, representing diverse Virtual mobile Network Operators (VNOs) with different Service Level Agreements (SLAs). A comprehensive analytical model for managing the virtual radio resources has been proposed, with two key parts: estimation of available radio resources and their allocation to different VNOs. The estimation is performed by the model, and the allocation is managed by OAI scheduling. Various scenarios and use cases are studied in this virtual RAN environment, network performance being evaluated for different situations, by varying guaranteed levels, serving weights, and used services. Results show that the proposed approach offers almost the same capacity to guaranteed VNOs regardless of other existing VNOs, experiencing at worst a degradation of 32% of its initial allocated data rate, without violation of the guaranteed data rate. The data rate allocated to best effort VNOs may decrease up to 7% of its initial value, which is acceptable, to guarantee other more demanding SLAs. More... »

PAGES

128

References to SciGraph publications

  • 2015-03-12. A model for virtual radio resource management in virtual RANs in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING
  • 2016-01-12. Multi-point fairness in resource allocation for C-RAN downlink CoMP transmission in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING
  • 2015-06-10. Aspirations, challenges, and open issues for software-based 5G networks in extremely dense and heterogeneous scenarios in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING
  • 2015-03-10. METIS research advances towards the 5G mobile and wireless system definition in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING
  • 2016-01-04. Dynamic C-RAN resource sharing scheme based on a hierarchical game approach in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1186/s13638-017-0908-1

    DOI

    http://dx.doi.org/10.1186/s13638-017-0908-1

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1090777763


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