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Performance Analysis of Multicast Video Streaming in IEEE 802.11 b/g/n Testbed Environment

  • Aleksander Kostuch
  • Krzysztof Gierłowski
  • Jozef Wozniak
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 308)

Abstract

The aim of the work is to analyse capabilities and limitations of different IEEE 802.11 technologies (IEEE 802.11 b/g/n), utilized for both multicast and unicast video streaming transmissions directed to mobile devices. Our preliminary research showed that results obtained with currently popular simulation tools can be drastically different than these possible in real-world environment, so, in order to correctly evaluate performance of video streaming, a simple wireless test-bed infrastructure has been created. The results show a strong dependence of the quality of video streaming on the chosen transmission technology. At the same time there are significant differences in perception quality between multicast (1:n) and unicast (1:1) streams, and also between devices offered by different manufacturers. The overall results seem to demonstrate, that, while multicast support quality in different products is still varied and often requires additional configuration, it is possible to select a WiFi access point model and determine the best system parameters to ensure a good video transfer conditions in terms of acceptable QoP/E (Quality of Perception/Exellence).

Keywords

Performance analysis video IEEE 802.11b/g/n multicast unicast wifi wireless mos qop dcf access point 

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Copyright information

© IFIP International Federation for Information Processing 2009

Authors and Affiliations

  • Aleksander Kostuch
    • 1
  • Krzysztof Gierłowski
    • 2
  • Jozef Wozniak
    • 2
  1. 1.Sprint Sp. z o.o.GdanskPoland
  2. 2.Gdansk University of TechnologyPoland

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