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Energy efficient heterogeneous network deployment with cell DTX
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.
KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth. KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.ORCID iD: 0000-0002-4226-9652
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth. KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
2016 (English)In: 2016 IEEE International Conference on Communications (ICC), IEEE, 2016, 1-6 p.Conference paper (Refereed)
Abstract [en]

This paper evaluates different means of reducing power consumption of macro base stations (BS) and heterogeneous mobile network deployments (HetNet) considering the time dimension. These approaches are based on the same idea of reducing the load of heavily loaded macro cells and putting them to discontinuous transmission (DTX) mode during the time of inactivity by either (1) macro cell densification or (2) offloading traffic to small cells. Activity factor of a BS is defined as the fraction of time the BS is transmitting over a fixed time period. It is shown that by macro cell layer network densification, the average daily area power consumption can be reduced by up to 73 % with the use of cell DTX. However, reducing the activity factor by macro layer densification is not cost effective, as already demonstrated in previous studies. Alternatively, by adding small cells and enabling their DTX capability, power consumption can be reduced by up to 29 %. Adding small cells is especially effective in terms of energy savings, when users are distributed around hot spots, where additional coverage and capacity is required.

Place, publisher, year, edition, pages
IEEE, 2016. 1-6 p.
Keyword [en]
cellular radio; energy conservation; telecommunication power management; telecommunication traffic; HetNet; activity factor; cell DTX; discontinuous transmission mode; energy efficient heterogeneous network deployment;energy savings; heterogeneous mobile network deployments; load reduction;macro BS; macro base stations; macrocell layer network densification; offloading traffic; power consumption reduction; Base stations; Load modeling; Mathematical model; Mobile communication; Mobile computing; Power demand; Signal to noise ratio
National Category
Telecommunications
Research subject
Information and Communication Technology
Identifiers
URN: urn:nbn:se:kth:diva-197375DOI: 10.1109/ICC.2016.7511218ScopusID: 2-s2.0-84981341447OAI: oai:DiVA.org:kth-197375DiVA: diva2:1052085
Conference
2016 IEEE International Conference on Communications (ICC)
Note

QC 20161207

Available from: 2016-12-05 Created: 2016-12-05 Last updated: 2016-12-07Bibliographically approved

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Andersson, GöranVästberg, AndersDevlic, AlisaCavdar, Cicek
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