E-model MOS Estimate Improvement through Jitter Buffer Packet Loss Modelling

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ID: 77173
2011
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Abstract
Proposed article analyses dependence of MOS as a voice call quality (QoS) measure estimated through ITU-T E-model under real network conditions with jitter. In this paper, a method of jitter effect is proposed. Jitter as voice packet time uncertainty appears as increased packet loss caused by jitter memory buffer under- or overflow. Jitter buffer behaviour at receiver’s side is modelled as Pareto/D/1/K system with Pareto-distributed packet interarrival times and its performance is experimentally evaluated by using statistic tools. Jitter buffer stochastic model is then incorporated into E-model in an additive manner accounting for network jitter effects via excess packet loss complementing measured network packet loss. Proposed modification of E-model input parameter adds two degrees of freedom in modelling: network jitter and jitter buffer size.
Reference Key
kovac2011emodeladvances Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kovac, Adrian;Halas, Michal;Orgon, Milos;Voznak, Miroslav;
Journal advances in electrical and electronic engineering
Year 2011
DOI
DOI not found
URL
http://advances.utc.sk/index.php/AEEE/article/view/542
Keywords
Ecology Technology (General) Engineering (General). Civil engineering (General) Information technology Technology Electrical engineering. Electronics. Nuclear engineering telecommunication

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