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Wireless Networks
Erschienen in: Wireless Networks 1/2011

01.01.2011

User’s mobility effect on the performance of wireless cellular networks serving elastic traffic

verfasst von: Mohamed Kadhem Karray

Erschienen in: Wireless Networks | Ausgabe 1/2011

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Abstract

The objective of the present paper is to give an analytic approximation of the performance of elastic traffic in wireless cellular networks accounting for user’s mobility. To do so we build a Markovian model for users arrivals, departures and mobility in such networks; which we call WET model. We firstly consider intracell mobility where each user is confined to remain within its serving cell. Then we consider the complete mobility where users may either move within each cell or make a handover (i.e. change to another cell). We propose to approximate the WET model by a Whittle one for which the performance is expressed analytically. We validate the approximation by simulating an OFDMA cellular network. We observe that the Whittle approximation underestimates the throughput per user of the WET model. Thus it may be used for a conservative dimensioning of the cellular networks. Moreover, when the traffic demand and the user speed are moderate, the Whittle approximation is good and thus leads to a precise dimensioning.
Vorheriger Artikel Optimal rate allocation and QoS-sensitive admission control in wireless integrated networks
Nächster Artikel Single-path routing for life time maximization in multi-hop wireless networks

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Fußnoten
1
Streaming services (i.e. real-time such as voice calls, video streaming, etc.) are not considered in the present study.
 
2
The abbreviation kbps designates “Kilo-bit per second”.
 
3
Nevertheless each cell is not isolated from the rest of the network, since the effect of the interference from the other cells is indirectly taken into account in (2) as we shall see in Sect. 5.1.1.
 
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Metadaten
Titel
User’s mobility effect on the performance of wireless cellular networks serving elastic traffic
verfasst von
Mohamed Kadhem Karray
Publikationsdatum
01.01.2011
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 1/2011
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-010-0277-8

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