The effects of packet reordering in a wireless multimedia environment
Arthur, C.M. and Girma, D. and Harle, D.A. and Lehane, A. (2004) The effects of packet reordering in a wireless multimedia environment. In: 1st International Symposium on Wireless Communication Systems (ISWCS 04), 2004-09-20 - 2004-09-22. (https://doi.org/10.1109/ISWCS.2004.1407288)
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Packet Reordering has been shown to be an ever-increasing phenomenon on the Internet and must be taken into account when considering performance analysis of both fixed, wireless and mixed media networks. Previous work [1] has demonstrated that TCP suffers degraded performance in situations of high packet reordering. This paper will consider why video traffic over UDP also performs badly in situations of high packet reordering, due to the temporal inter-packet dependencies introduced by the MPEG video encoding structure. Wireless networks are especially prone to problems due to the higher levels of link layer retransmissions found in noisy wireless environments. An experimental investigation into the effects of video packet reordering using the Windows Media streaming system is presented. A method for invoking packet reordering is introduced, and a tool for client-side measurements of video quality is presented. Typical measurements of video performance undergoing reordering are shown, with a study of buffering occupancy at the client, and the potential impact this could have on video packet reordering demonstrated.
ORCID iDs
Arthur, C.M., Girma, D., Harle, D.A. ORCID: https://orcid.org/0000-0002-0534-1096 and Lehane, A.;-
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Item type: Conference or Workshop Item(Paper) ID code: 38870 Dates: DateEventSeptember 2004PublishedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Pure Administrator Date deposited: 02 Apr 2012 13:59 Last modified: 05 Sep 2024 11:26 URI: https://strathprints.strath.ac.uk/id/eprint/38870