Increasing uplink broadband video streaming protocol performance in WiMAX network

Authors:
Suherman Suherman;Marwan Al-Akaidi
Affiliations:
Faculty of Technology, De Montfort University, The Gateway, Leicester, LE1 9BH, UK;Arab Open University, P.O. Box 3322, Safat 13033, Kuwait
Venue:
International Journal of Internet Protocol Technology
Year:
2013

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Abstract

WiMAX as a broadband wireless access technology is used increasingly for last mile infrastructures, including video distribution network. Although WiMAX offers high bit-rate wireless connectivity, wireless interference remains an issue. Various transport layer protocols have been proposed to enhance wireless video streaming performance, including re-transmission-based protocol. However, re-transmission yields additional delay, which is not expected in a real-time environment. This paper proposes a cross-layer approach to improve uplink broadband video streaming protocol. The proposed method is aimed at reducing delay caused by the packet loss re-transmission, and to enhance the video quality by implementing the cross-layer bandwidth request. NS-2 simulations demonstrate the significance of the proposed method.