E-model MOS estimate improvement through jitter buffer packet loss modelling

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dc.contributor.author Kováč, Adrián
dc.contributor.author Halas, Michal
dc.contributor.author Orgon, Miloš
dc.contributor.author Vozňák, Miroslav
dc.date.accessioned 2012-01-06T14:25:37Z
dc.date.available 2012-01-06T14:25:37Z
dc.date.issued 2011
dc.identifier.citation Advances in electrical and electronic engineering. 2011, vol. 9, no. 5, p. 233-242. cs
dc.identifier.issn 1804-3119
dc.identifier.uri http://hdl.handle.net/10084/89799
dc.description.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. cs
dc.format.extent 2699714 bytes cs
dc.format.mimetype application/pdf cs
dc.language.iso en cs
dc.publisher Vysoká škola báňská - Technická univerzita Ostrava cs
dc.relation.ispartofseries Advances in electrical and electronic engineering cs
dc.relation.uri http://advances.utc.sk/index.php/AEEE/article/download/542/732 cs
dc.rights © Vysoká škola báňská - Technická univerzita Ostrava
dc.rights Creative Commons Attribution 3.0 Unported (CC BY 3.0)
dc.subject VoIP cs
dc.subject E-model cs
dc.subject MOS cs
dc.subject QoS cs
dc.subject packet loss cs
dc.subject jitter buffer cs
dc.subject loss estimate cs
dc.subject Generalized Pareto cs
dc.subject packet interarrival cs
dc.subject Pareto/D/1/K cs
dc.title E-model MOS estimate improvement through jitter buffer packet loss modelling cs
dc.type article cs
dc.rights.access openAccess cs
dc.type.version publishedVersion cs
dc.type.status Peer-reviewed cs

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