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Oliver Hohlfeld's Publications

Stochastic Packet Loss Model to Evaluate QoE Impairments
Zitatschlüssel H-SPLMEQI-09
Autor Hohlfeld, Oliver
Seiten 53–56
Jahr 2009
ISSN 0930-5157
Online ISSN 1865-8342
DOI http://dx.doi.org/10.1515/piko.2009.0011
Journal Praxis der Informationsverarbeitung und Kommunikation (PIK)
Jahrgang 32
Nummer 1
Monat January–March
Verlag de Gruyter
Zusammenfassung The estimation of quality for real-time services over telecommunication netb4works requires realistic models for impairments and failures during transmission. We focus on the classical Gilbert-Elliott model whose second-order statistics is derived over arbitrary time-scales. The model is used to fit packet loss processes of backbone and DVB-H traffic traces. The results show that simple Markov models are appropriate to capture the observed loss pattern and to discuss how such models can be used to examine the quality degradations caused by packet losses.
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