NDLI: Wireless access virtualisation: Physical versus virtual capacities

Content Provider	IEEE Xplore Digital Library
Author	Caeiro, L. Cardoso, F.D. Correia, L.M.
Copyright Year	2014
Description	Author affiliation: ESTSetubal, Polytech. Inst. of Setubal, Setubal, Portugal (Caeiro, L.; Cardoso, F.D.) \|\| IST/INOV-INESC, Univ. of Lisbon, Lisbon, Portugal (Correia, L.M.)
Abstract	This paper addresses the virtualisation of wireless access in order to provide the required capacity (data rate) to a set of Virtual Base Stations (VBSs). The approach is based on a Virtual Radio Resource Allocation algorithm, OnDemandVRRA, which manages the allocation of the physical radio resources to the VBSs, in order to follow the contract and maintaining isolation among the VBSs, according to the type of guarantees of the VBSs, the amount of contracted capacity, and the VBSs' utilisation. Taking the variability of the wireless medium into account, the algorithm continuously influences RRM mechanisms, namely admission control and MAC scheduling, to be aware of the VBSs' state relative to the service level agreement, in order to compensate for this variability. The algorithm has been tested to evaluate its behaviour, concerning the amount of virtual contracted capacity versus the physical one. From simulation results, it can be concluded that the total capacity contracted for guaranteed VBSs should be limited according to the average capacity provided by the physical set of serving base stations. As an example, although the guaranteed VBS contracted capacity is always achieved, for the case where the guaranteed VBS contracted capacity is about 85% of the average cluster capacity, the cluster serving data rate decreases about 20% relative to the maximum achieved for the Best Effort Overbooking use case.
Starting Page	285
Ending Page	290
File Size	1414646
Page Count	6
File Format	PDF
ISBN	9781631900556
DOI	10.4108/icst.5gu.2014.258122
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-11-26
Publisher Place	Finland
Access Restriction	Subscribed
Rights Holder	ICST
Subject Keyword	Measurement Radio Resource Management Virtual Networks Heterogeneous Networks Resource Allocation Interference Future Internet Resource management Signal to noise ratio
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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