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Modeling and Analysis of Wireless Network Segments with aid of Teletraffic Fluid Flow Models
Responsible organisation
2000 (English)Report (Other academic)Alternative title
Modellering och analys av trådlösa nätverkssegment med hjälp av teletrafikteoretiska flödesmodeller (Swedish)
Abstract [en]

The fluid flow model is used to model variable server and link rates, as they appear in mobile channels due to fading, bit error recovery and failed channel reservations. Assuming a Gilbert-Elliott model for the channel, the influence of transmission quality on network Quality of Service (QoS) might be studied. Thus, the fluid flow model assumes the role of a model that might be used for dimensioning and performance evaluation both at the edge and inside a network. We present a user-friendly, contemporary, flexible, fast and numerically stabilized computing environment for the fluid flow model with a well-known user interface that is able to handle multiple users and that might be used as well for batch processing. We discuss two case studies that emphasize the crucial impact of the relationship between server and source dynamics on QoS.

Abstract [sv]

Inflytandet av kanalkvaliten i ett trådlöst nätsegment på överföringskvaliten på nätverksnivån studeras. Detta sker med hjälp av en (informations-)flödesmodell med tidsvariabelt kapacitet. Resultaten visar att ändringshastigheten av kanalkvaliten innehar ett stort inflytande på kvaliten på nätverksnivan. Dessutom presenterar rapporten ett användarvänligt och numeriskt stabilt mjukvarakoncept for beräkningsverktyget.

Place, publisher, year, edition, pages
Blekinge Tekniska Högskola Forskningsrapport, ISSN 1103-1581 ; 5
Keyword [en]
Fluid flow model, variable server capacity, Gilbert-Elliott model, performance analysis, QoS, software engineering, numerical methods
National Category
URN: urn:nbn:se:bth-00153Local ID: diva2:838096
The analysis part is contained in the COST temporary document 257TD(00)18, see A modified version will be submitted to European Transactions on TelecommunicationsAvailable from: 2012-09-18 Created: 2000-04-25 Last updated: 2015-06-30Bibliographically approved

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Fiedler, Markus

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