NDLI: Energy savings for cellular network with evaluation of impact on data traffic performance

Content Provider	IEEE Xplore Digital Library
Author	Dufková, K. Bjelica, M. Byongkwon Moon Kencl, L. Le Boudec, J.-Y.
Copyright Year	2010
Description	Author affiliation: Faculty of Electrical Engineering (ETF), University of Belgrade, Bulevar kralja Aleksandra 73, 11120 Belgrade, Serbia (Bjelica, M.) \|\| R&D Centre for Mobile Applications (RDC), Czech Technical University in Prague, Technicka 2, 166 27 Prague 6, Czech Republic (Dufková, K.; Kencl, L.) \|\| Ecole Polytechnique Fédérale de Lausanne, EPFL, CH-1015 Lausanne, Switzerland (Byongkwon Moon; Le Boudec, J.-Y.)
Abstract	We present a concrete methodology for saving energy in future and contemporary cellular networks. It is based on re-arranging the user-cell association so as to allow shutting down under-utilized parts of the network. We consider a hypothetical static case where we have complete knowledge of stationary user locations and thus the results represent an upper bound of potential energy savings. We formulate the problem as a binary integer programming problem, thus it is NP-hard, and we present a heuristic approximation method. We simulate the methodology on an example real cellular network topology with traffic-and user distribution generated according to recently measured patterns. Further, we evaluate the energy savings, using realistic energy profiles, and the impact on the user-perceived network performance, represented by delay and throughput, at various times of day. The general findings conclude that up to 50% energy may be saved in less busy periods, while the performance effects remain limited. We conclude that practical, real-time user-cell re-allocation methodology, taking into account user mobility predictions, may thus be feasible and bring significant energy savings at acceptable performance impact.
Starting Page	916
Ending Page	923
File Size	2888923
Page Count	8
File Format	PDF
ISBN	9781424459995
e-ISBN	9781424460014
DOI	10.1109/EW.2010.5483431
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-12
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Potential energy Telecommunication traffic Linear programming Throughput cellular network Approximation methods Upper bound Network topology Land mobile radio cellular systems optimization energy efficiency Traffic control Concrete
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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