Analysis of Correlation between Sleep Interval Length and Jitter Buffer Size for QoS of IPTV and VoIP Audio Service over Mobile WiMax


The KIPS Transactions:PartC, Vol. 17, No. 3, pp. 299-306, Jun. 2010
10.3745/KIPSTC.2010.17.3.299,   PDF Download:

Abstract

IPTV and VoIP services are considered as killer applications over Mobile WiMAX network, which provideshigh mobility and data rate. Among those which affect the quality of voice in those services, the jitter buffer or playout buffer can compensate the poor voice quality caused by the packet drop due to frequent route change or differences among routes between service endpoints. In this paper, we analyze the correlation between the sleep interval length and jitter buffer size in order to guarantee a predefined level of voice quality. For this purpose, we present an end-to-end delay model considering additional delay incurred by the WiMAX PSC-II sleep mode and a VoIP service quality requirement based on the delay constraints. Through extensive simulation experiments, we also show that the increase of jitter buffer size may degrade the voice quality since it can introduce additional packet drop in the jitter buffer under WiMAX power saving mode.


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Cite this article
[IEEE Style]
H. S. Kim, T. H. Kim, H. Y. Hwang, "Analysis of Correlation between Sleep Interval Length and Jitter Buffer Size for QoS of IPTV and VoIP Audio Service over Mobile WiMax," The KIPS Transactions:PartC, vol. 17, no. 3, pp. 299-306, 2010. DOI: 10.3745/KIPSTC.2010.17.3.299.

[ACM Style]
Hyung Suk Kim, Tae Hyoun Kim, and Ho Young Hwang. 2010. Analysis of Correlation between Sleep Interval Length and Jitter Buffer Size for QoS of IPTV and VoIP Audio Service over Mobile WiMax. The KIPS Transactions:PartC, 17, 3, (2010), 299-306. DOI: 10.3745/KIPSTC.2010.17.3.299.