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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F12%3A00194875%21RIV13-MSM-21230___
rdf:type
n15:Vysledek skos:Concept
rdfs:seeAlso
http://jwcn.eurasipjournals.com/content/2012/1/292/abstract
dcterms:description
In 4 G wireless networks, only hard handover is defined to support users' mobility. However, dense deployment of femtocells leads to significant rise in amount of initiated handovers. Thus, inevitable decrease in quality of service (QoS) experienced by users is observed. In this article, we investigate possible introduction of fast cell selection (FCS) to OFDMA-based network with femtocells. The goal is to minimize negative impact of user's mobility on user's QoS and to take an advantage of macro diversity. First, we define necessary enhancements in current LTE standards to facilitate implementation of FCS to OFDMA networks. Afterward, impact of FCS on network performance is evaluated. Second, we propose novel algorithm for active set management, which considers specifics of femtocells. As simulation results demonstrate, even FCS with conventional active set management is profitable for the networks performance. Nevertheless, the proposed innovation of active set management procedure further improves efficiency of FCS comparing to existing schemes. We also presents the most common content of active set observed from simulations if novel algorithm is exploited. In 4 G wireless networks, only hard handover is defined to support users' mobility. However, dense deployment of femtocells leads to significant rise in amount of initiated handovers. Thus, inevitable decrease in quality of service (QoS) experienced by users is observed. In this article, we investigate possible introduction of fast cell selection (FCS) to OFDMA-based network with femtocells. The goal is to minimize negative impact of user's mobility on user's QoS and to take an advantage of macro diversity. First, we define necessary enhancements in current LTE standards to facilitate implementation of FCS to OFDMA networks. Afterward, impact of FCS on network performance is evaluated. Second, we propose novel algorithm for active set management, which considers specifics of femtocells. As simulation results demonstrate, even FCS with conventional active set management is profitable for the networks performance. Nevertheless, the proposed innovation of active set management procedure further improves efficiency of FCS comparing to existing schemes. We also presents the most common content of active set observed from simulations if novel algorithm is exploited.
dcterms:title
Fast Cell Selection with Efficient Active Set Management in OFDMA Networks with Femtocells Fast Cell Selection with Efficient Active Set Management in OFDMA Networks with Femtocells
skos:prefLabel
Fast Cell Selection with Efficient Active Set Management in OFDMA Networks with Femtocells Fast Cell Selection with Efficient Active Set Management in OFDMA Networks with Femtocells
skos:notation
RIV/68407700:21230/12:00194875!RIV13-MSM-21230___
n15:predkladatel
n21:orjk%3A21230
n3:aktivita
n19:P
n3:aktivity
P(7E10030)
n3:cisloPeriodika
0
n3:dodaniDat
n13:2013
n3:domaciTvurceVysledku
n7:4588568 n7:2734796
n3:druhVysledku
n18:J
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
136200
n3:idVysledku
RIV/68407700:21230/12:00194875
n3:jazykVysledku
n17:eng
n3:klicovaSlova
fast cell selection; femtocell; OFDMA
n3:klicoveSlovo
n4:femtocell n4:fast%20cell%20selection n4:OFDMA
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[3C88D3223DDE]
n3:nazevZdroje
EURASIP Journal on Wireless Communications and Networking
n3:obor
n12:JA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n20:7E10030
n3:rokUplatneniVysledku
n13:2012
n3:svazekPeriodika
2012
n3:tvurceVysledku
Bečvář, Zdeněk Roux, P. Mach, Pavel
n3:wos
000312836500001
s:issn
1687-1499
s:numberOfPages
15
n9:doi
10.1186/1687-1499-2012-292
n16:organizacniJednotka
21230