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Coverage-constrained base station deployment and power allocation for operational cost minimization
Department of Electronics and Communication Engineering, National Institute of Technology, Silchar, India.
Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India.
Department of Electronics and Communication Engineering, National Institute of Technology, Silchar, India.
2018 (English)In: 2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Institute of Electrical and Electronics Engineers (IEEE), 2018, p. 1-5Conference paper, Published paper (Refereed)
Abstract [en]

To address the ever-increasing data traffic demand, there is a need for novel cost-efficient network deployment schemes. In this work, we investigate the joint optimization of base station (BS) location, its density, and transmit power allocation to minimize the overall network operational cost required to meet an underlying coverage constraint at each user equipment (UE), which is randomly deployed following the binomial point process. As the joint optimization problem is nonconvex and combinatorial in nature, we propose a non-trivial solution methodology that effectively decouples it into three individual optimization problems. Firstly, by using the distance distribution of the farthest UE from the BS, we present novel insights on optimal BS location for a given number of BSs and sectoring type. After that we provide a tight approximation for the optimal transmit power allocation to each BS. Lastly, using the latter two results, the optimal number of BSs that minimize the operational cost is obtained. Numerical results validate the analysis and provide practical insights on optimal BS deployment. We observe that the proposed joint optimization framework, that solves the coverage probability versus operational cost tradeoff, can yield a significant reduction of about 65% in the operational cost as compared to the benchmark fixed allocation scheme.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. p. 1-5
Series
Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), E-ISSN 2166-9589 ; 2017
Keywords [en]
Base stations; Mobile telecommunication systems; Optimization; Radio communication, Coverage constraints; Coverage probabilities; Distance distributions; Network deployment; Nontrivial solution; Optimal transmit power; Optimization problems; Transmit power allocation, Costs
National Category
Communication Systems Signal Processing Computer and Information Sciences
Identifiers
URN: urn:nbn:se:liu:diva-155742DOI: 10.1109/PIMRC.2017.8292392ISBN: 9781538635292 (print)ISBN: 9781538635315 (electronic)ISBN: 9781538635308 (electronic)ISBN: 9781538635322 (electronic)OAI: oai:DiVA.org:liu-155742DiVA, id: diva2:1299137
Conference
IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), 8-13 October, Montreal, QC, Canada
Available from: 2019-03-26 Created: 2019-03-26 Last updated: 2019-03-26Bibliographically approved

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Communication SystemsSignal ProcessingComputer and Information Sciences

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
More styles
Language
  • de-DE
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Output format
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