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Performance of VoIP strategies for hybrid Mobile Ad Hoc Networks
Karlstad University, Faculty of Economic Sciences, Communication and IT.
2007 (English)Independent thesis Advanced level (degree of Magister), 20 points / 30 hpStudent thesis
Abstract [en]

Last decade, a lot of research has been done in wireless communication technologies. Mobile

nodes such personal digital assistants (PDAs), notebooks and cell phones are nowadays used

in human’s daily life.

MANETs are networks consisting of two or more mobile nodes equipped with wireless

communication and networking capabilities, but they don’t have any network centrilized

infrastructure.

In last few years, MANETs have been emerged to be an important researched subject in the

field of wireless networking.

MANETs are autonomous; however they can communicate with other external networks such

the internet. They are linked to such external networks by mobile nodes acting as gateways.

This kind of networks is known as hybrid MANETs.

Voice over Internet Protocol (VoIP), is a technology that allows you to make voice calls using

a Internet connection instead of a regular (or analog) phone line.

The goal of this thesis is evaluate the performance of VoIP strategies for hybrid MANETs.

Two different aspects are evaluated, the session establishment performance and the voice

quality.

Network Simulator 2 is used to run several simulations, two different applications are used to

run voice simulations (Session Initiation Protocol and Exponential traffic generator). We

evaluate two different cases for voice traffics, voice calls between two MANET nodes and

voice calls between MANET nodes and external nodes.

After running the simulations, there are some performance parameters which will reveal the

results. The key findings of the simulations are: adding gateways, number of voice traffic

flows and the number of hops between source and destinations. There are some interesting

results which reveal for example, that adding gateways is not always beneficial.

Place, publisher, year, edition, pages
2007. , p. 196
Keywords [en]
Mobile Networks
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:kau:diva-1204OAI: oai:DiVA.org:kau-1204DiVA, id: diva2:5027
Presentation
2006-12-21
Uppsok
teknik
Supervisors
Examiners
Available from: 2007-10-15 Created: 2007-10-15 Last updated: 2018-01-12

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CiteExportLink to record
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  • apa
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