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Base-Station Sleeping Control and Power Matching for Energy-Delay Tradeoffs With Bursty Traffic
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab).
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2016 (English)In: IEEE Transactions on Vehicular Technology, ISSN 0018-9545, E-ISSN 1939-9359, Vol. 65, no 5, 3657-3675 p.Article in journal (Refereed) PublishedText
Abstract [en]

In this paper, we study sleeping control (SC) and power matching (PM) for a single cell in cellular networks with bursty traffic. The base station (BS) sleeps whenever the system is empty and wakes up when N users are assembled during the sleep period. The service capacity of the BS in the active mode is controlled by adjusting its transmit power. The total power consumption and average delay are analyzed, and based on this, the impact of parameter N and transmit power on the energy-delay tradeoff is studied. It is shown that, given the average traffic load, the more bursty the traffic is, the less total power consumed, although the delay performance of more bursty traffic is better only under certain circumstances. The optimal energy-delay tradeoff is then obtained through joint SC and PM optimization. The relationship between the optimal control parameters and the asymptotic performance are also provided. Moreover, the influence of the traffic autocorrelation is explored, which shows less impact on the system performance compared with that of the burstiness. Numerical results show the energy saving gain of the joint SC and PM scheme, as well as the impact of burstiness on the optimal energy-delay tradeoff.

Place, publisher, year, edition, pages
IEEE , 2016. Vol. 65, no 5, 3657-3675 p.
Keyword [en]
Bursty traffic, energy-delay tradeoff, power matching (PM), sleeping control (SC)
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-188449DOI: 10.1109/TVT.2015.2434381ISI: 000376094500061ScopusID: 2-s2.0-84970006311OAI: oai:DiVA.org:kth-188449DiVA: diva2:936223
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QC 20160613

Available from: 2016-06-13 Created: 2016-06-10 Last updated: 2016-06-13Bibliographically approved

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Miao, Guowang
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