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Energy optimization of a cellular network with minimum bit-rate guarantee
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab).ORCID iD: 0000-0003-0525-4491
2017 (English)In: 2017 15th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, WiOpt 2017, Institute of Electrical and Electronics Engineers (IEEE), 2017, 7959933Conference paper (Refereed)
Abstract [en]

Energy optimization in cellular networks has been studied using different perspectives in the literature: sleep patterns, network interference, association of users and base stations, resource allocation of resources (bandwidth and power), etc. All these means have been discussed individually in previous works. However, none of the existing works has succeeded in proposing an exact mathematical model that takes into account several of these parameters simultaneously. In this article, we propose a first exact modelling of several network parameters and their interaction in order to minimize the energy consumption in a LTE cellular network. The optimization model guarantees to satisfy all the users with a minimum quality of service (data rate). Its exact solution allows energy savings of up to 50% in a moderately loaded network, which leads to energy savings up to twice that of the heuristic proposed by Piunti et al., (2015). Various numerical results are presented on hexagonal and randomly generated cellular networks.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. 7959933
Keyword [en]
Aluminum alloys, Energy conservation, Energy utilization, Mobile ad hoc networks, Mobile telecommunication systems, Optimization, Quality of service, Resource allocation, Wireless networks, Wireless telecommunication systems, Cellular network, Energy optimization, Exact solution, Network interferences, Network parameters, Numerical results, Optimization modeling, Sleep pattern, Wireless ad hoc networks
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-212483DOI: 10.23919/WIOPT.2017.7959933ISI: 000413806500072Scopus ID: 2-s2.0-85026196381ISBN: 9783901882906 (print)OAI: oai:DiVA.org:kth-212483DiVA: diva2:1135347
Conference
15th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, WiOpt 2017, Paris, France, 15 May 2017 through 19 May 2017
Note

QC 20170823

Available from: 2017-08-23 Created: 2017-08-23 Last updated: 2017-11-14Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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