About: Performance of Fast Cell Selection in Two-Tier OFDMA Networks with Small Cells

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.d1116484-10220.cp.blacknight.com/index.html
Description	If large amount of small cells, i.e., femtocells, picocells or microcells, is deployed, users perform handover among small cells and macrocells very often. In OFDMA networks, only hard handover is usually supported as this type can be implemented easily. On the other hand, frequent hard handover negatively influence a quality of service experienced by users. The degradation of the quality is a consequence of a short interruption in communication during hard handover and due to redundant overhead generated for controlling and managing the handover procedure. This paper investigates performance of a fast cell selection applied in two-tier networks with small cells and compares it with the hard handover. We focus on the impact of a backhaul capacity limitation on the performance of both hard handover and fast cell selection. As our results indicate, there is a gain in throughput introduced by the fast cell selection if the backhaul of the small cells is not a bottleneck in term of capacity. Nevertheless, if the backhaul capacity is limited, the fast cell selection is profitable only for low bitrates. This observation indicates a need for mandatory consideration of the backhaul capacity for the fast cell selection in the networks with small cells. If large amount of small cells, i.e., femtocells, picocells or microcells, is deployed, users perform handover among small cells and macrocells very often. In OFDMA networks, only hard handover is usually supported as this type can be implemented easily. On the other hand, frequent hard handover negatively influence a quality of service experienced by users. The degradation of the quality is a consequence of a short interruption in communication during hard handover and due to redundant overhead generated for controlling and managing the handover procedure. This paper investigates performance of a fast cell selection applied in two-tier networks with small cells and compares it with the hard handover. We focus on the impact of a backhaul capacity limitation on the performance of both hard handover and fast cell selection. As our results indicate, there is a gain in throughput introduced by the fast cell selection if the backhaul of the small cells is not a bottleneck in term of capacity. Nevertheless, if the backhaul capacity is limited, the fast cell selection is profitable only for low bitrates. This observation indicates a need for mandatory consideration of the backhaul capacity for the fast cell selection in the networks with small cells. (en)
Title	Performance of Fast Cell Selection in Two-Tier OFDMA Networks with Small Cells Performance of Fast Cell Selection in Two-Tier OFDMA Networks with Small Cells (en)
skos:prefLabel	Performance of Fast Cell Selection in Two-Tier OFDMA Networks with Small Cells Performance of Fast Cell Selection in Two-Tier OFDMA Networks with Small Cells (en)
skos:notation	RIV/68407700:21230/12:00199122!RIV13-GA0-21230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GPP102/12/P613)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Bečvář, Zdeněk Mach, Pavel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	158205
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/12:00199122
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	fast cell selection; hard handover; small cells; mobility management; performance evaluation (en)
http://linked.open.../riv/klicoveSlovo	mobility management hard handover small cells fast cell selection performance evaluation
http://linked.open...ontrolniKodProRIV	[49C52E0CA01D]
http://linked.open...v/mistoKonaniAkce	Dublin
http://linked.open...i/riv/mistoVydani	Piscataway
http://linked.open...i/riv/nazevZdroje	Wireless Days 2012
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Prediction Algorithms for Efficient Mobility Management in Wireless Networks
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Bečvář, Zdeněk Mach, Pavel
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-11-21 (xsd:date)
number of pages	3 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE
https://schema.org/isbn	978-1-4673-4404-3
http://localhost/t...ganizacniJednotka	21230

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