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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F14%3A00224831%21RIV15-MSM-21230___
rdf:type
skos:Concept n22:Vysledek
rdfs:seeAlso
http://ieee-bwaws.nginet.de/GLOBECOM2014/
dcterms:description
Requirements of current services and applications on computational power are still increasing. Hence, the utilization of these by the mobile user equipment (UE) having limited battery lifetime is quite a challenge. To cope with this problem, the mobile cloud computing can be exploited to offload high complex applications to the cloud. Nevertheless, the conventional mobile cloud solution introduces high delay and limits the use of delay sensitive services and applications. One feasible solution is to enhance small cells (SCeNBs) with computing capabilities and, thus, perform computing closer to the users accomplishing low delay. However, the high density deployment of the SCeNBs and UEs’ mobility can result in often outage situation or handover when low delay tolerant data cannot be delivered from the cloud on time and become irrelevant. In this paper we propose power control algorithm, which purpose is to guarantee that the requests processed by the small cell cloud are received by the UE within required delay. This is done by coarse and dynamic fine setting of the SCeNB's transmitting power level. The simulations demonstrate the amount of undelivered requests from the small cell cloud can be significantly minimized when compared to competitive schemes. At the same time, QoS of non-cloud users is only slightly impaired when compared to the scheme giving solely preferences to non-cloud users. We also show that the overhead introduced by our power control mechanism is negligible. Requirements of current services and applications on computational power are still increasing. Hence, the utilization of these by the mobile user equipment (UE) having limited battery lifetime is quite a challenge. To cope with this problem, the mobile cloud computing can be exploited to offload high complex applications to the cloud. Nevertheless, the conventional mobile cloud solution introduces high delay and limits the use of delay sensitive services and applications. One feasible solution is to enhance small cells (SCeNBs) with computing capabilities and, thus, perform computing closer to the users accomplishing low delay. However, the high density deployment of the SCeNBs and UEs’ mobility can result in often outage situation or handover when low delay tolerant data cannot be delivered from the cloud on time and become irrelevant. In this paper we propose power control algorithm, which purpose is to guarantee that the requests processed by the small cell cloud are received by the UE within required delay. This is done by coarse and dynamic fine setting of the SCeNB's transmitting power level. The simulations demonstrate the amount of undelivered requests from the small cell cloud can be significantly minimized when compared to competitive schemes. At the same time, QoS of non-cloud users is only slightly impaired when compared to the scheme giving solely preferences to non-cloud users. We also show that the overhead introduced by our power control mechanism is negligible.
dcterms:title
Cloud-aware Power Control for Cloud-enabled Small Cells Cloud-aware Power Control for Cloud-enabled Small Cells
skos:prefLabel
Cloud-aware Power Control for Cloud-enabled Small Cells Cloud-aware Power Control for Cloud-enabled Small Cells
skos:notation
RIV/68407700:21230/14:00224831!RIV15-MSM-21230___
n3:aktivita
n17:R
n3:aktivity
R
n3:dodaniDat
n10:2015
n3:domaciTvurceVysledku
n5:4588568 n5:2734796
n3:druhVysledku
n6:D
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
7568
n3:idVysledku
RIV/68407700:21230/14:00224831
n3:jazykVysledku
n21:eng
n3:klicovaSlova
power control; small cells; mobile cloud computing; small cell cloud
n3:klicoveSlovo
n4:small%20cell%20cloud n4:mobile%20cloud%20computing n4:small%20cells n4:power%20control
n3:kontrolniKodProRIV
[39C516372802]
n3:mistoKonaniAkce
Austin
n3:mistoVydani
Piscataway
n3:nazevZdroje
2014 IEEE Globecom Workshops (GC Wkshps)
n3:obor
n18:JA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n10:2014
n3:tvurceVysledku
Mach, Pavel Bečvář, Zdeněk
n3:typAkce
n13:WRD
n3:zahajeniAkce
2014-12-08+01:00
s:numberOfPages
6
n20:doi
10.1109/GLOCOMW.2014.7063570
n11:hasPublisher
IEEE
n8:isbn
978-1-4799-7701-7
n16:organizacniJednotka
21230