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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F12%3A00198243%21RIV13-MSM-21230___
rdf:type
skos:Concept n13:Vysledek
rdfs:seeAlso
http://fel.uniza.sk/rtt2012/
dcterms:description
Dense deployment of cells with low radius, known as small cells, in wireless networks can notably increase an amount of initiated handovers. Consequently, the quality of service is lowered due to handover interruption and due to additional signalling overhead generated by redundant handovers. In this paper, we optimize a technique for elimination of redundant handovers denoted as an adaptive hysteresis. The adaptive hysteresis enhances conventional hysteresis by dynamic setting of current level of the hysteresis according to the relation of signal level received from serving and target cells. The improvement in performance is achieved by derivation of optimum values of parameters used in equation for determina-tion of the actual level of hysteresis. As the simulation results show, significant gain in throughput can be reached by the selection of the optimum values instead of former values de-fined for macrocells. Further, we investigate an impact of small cells density on the performance of the adaptive hysteresis. The performance improvement reached by the adaptive hysteresis is even more notable with increased density of small cells. Dense deployment of cells with low radius, known as small cells, in wireless networks can notably increase an amount of initiated handovers. Consequently, the quality of service is lowered due to handover interruption and due to additional signalling overhead generated by redundant handovers. In this paper, we optimize a technique for elimination of redundant handovers denoted as an adaptive hysteresis. The adaptive hysteresis enhances conventional hysteresis by dynamic setting of current level of the hysteresis according to the relation of signal level received from serving and target cells. The improvement in performance is achieved by derivation of optimum values of parameters used in equation for determina-tion of the actual level of hysteresis. As the simulation results show, significant gain in throughput can be reached by the selection of the optimum values instead of former values de-fined for macrocells. Further, we investigate an impact of small cells density on the performance of the adaptive hysteresis. The performance improvement reached by the adaptive hysteresis is even more notable with increased density of small cells.
dcterms:title
Optimization of Adaptive Hysteresis for Elimination of Handovers in Networks with Small Cells Optimization of Adaptive Hysteresis for Elimination of Handovers in Networks with Small Cells
skos:prefLabel
Optimization of Adaptive Hysteresis for Elimination of Handovers in Networks with Small Cells Optimization of Adaptive Hysteresis for Elimination of Handovers in Networks with Small Cells
skos:notation
RIV/68407700:21230/12:00198243!RIV13-MSM-21230___
n13:predkladatel
n14:orjk%3A21230
n4:aktivita
n11:V
n4:aktivity
V
n4:dodaniDat
n7:2013
n4:domaciTvurceVysledku
n17:2734796 n17:4588568 n17:8495939
n4:druhVysledku
n18:D
n4:duvernostUdaju
n8:S
n4:entitaPredkladatele
n12:predkladatel
n4:idSjednocenehoVysledku
156932
n4:idVysledku
RIV/68407700:21230/12:00198243
n4:jazykVysledku
n20:eng
n4:klicovaSlova
Adaptive Hysteresis; Handover; Mobility; Small cell
n4:klicoveSlovo
n6:Handover n6:Adaptive%20Hysteresis n6:Small%20cell n6:Mobility
n4:kontrolniKodProRIV
[2E834095B0D0]
n4:mistoKonaniAkce
Vrátna
n4:mistoVydani
Žilina
n4:nazevZdroje
Research in Telecommunication Technologies Conference proceedings and Workshop
n4:obor
n9:JA
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:rokUplatneniVysledku
n7:2012
n4:tvurceVysledku
Vondra, Michal Bečvář, Zdeněk Mach, Pavel
n4:typAkce
n15:WRD
n4:zahajeniAkce
2012-09-12+02:00
s:numberOfPages
5
n21:hasPublisher
Žilinská univerzita v Žiline
n16:isbn
978-80-554-0570-4
n22:organizacniJednotka
21230