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Proceedings Paper

QoS of streaming video traffic over UMTS networks
Author(s): Amitabh Mishra; John Korah
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Paper Abstract

There are four different levels of QoS traffic classes stipulated in UMTS specifications, which UMTS network need to support. These traffic classes are: Conversational, Streaming, Interactive, and Background. The main distinguishing factor between these classes is how delay sensitive the traffic is. Video stream class of traffic for a broadband wireless network has lot of challenges to overcome; principal among them is the preservation of time delay variation between information entities within a flow. In this paper we model video stream traffic over an UMTS network and examine end-to-end delay variation. Using the results we discuss the architectural implications of radio access network (UTRAN), core network, and the video server on the overall delay. In addition we also analyze the performance impacts of the underlying transport and network layer protocols.

Paper Details

Date Published: 27 July 2001
PDF: 5 pages
Proc. SPIE 4524, Quality of Service over Next-Generation Data Networks, (27 July 2001); doi: 10.1117/12.434359
Show Author Affiliations
Amitabh Mishra, Virginia Polytechnic Institute and State Univ. (United States)
John Korah, Virginia Polytechnic Institute and State Univ. (United States)

Published in SPIE Proceedings Vol. 4524:
Quality of Service over Next-Generation Data Networks
Mohammed Atiquzzaman; Mahbub Hassan, Editor(s)

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