Multimedia application performance on a WiMAX network | Zendy

Emir Halepovic | Zendy; Majid Ghaderi | Zendy; Carey Williamson | Zendy

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Multimedia application performance on a WiMAX network

Author(s) -

Emir Halepovic,

Majid Ghaderi,

Carey Williamson

Publication year - 2009

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.815557

Subject(s) - wimax , voice over ip , computer science , computer network , network packet , packet loss , the internet , telecommunications link , ethernet , multimedia , cable modem , telecommunications , wireless , operating system

In this paper, we use experimental measurements to study the performance of multimedia applications over a commercial IEEE 802.16 WiMAX network. Voice-over-IP (VoIP) and video streaming (RealPlayer) applicatio ns are tested. The WiMAX-based network solidly supports VoIP, providing adequate quality for short to medium duration calls. The voice quality degradation compared to hi gh-speed Ethernet is moderate, despite higher packe t loss and network delays. The effects of the uplink and the d ownlink on call quality are comparable, despite the ir different characteristics. On-demand video streaming performs well using UDP. Smooth playback of high-quality video/audio clips at aggregate rates exceeding 700 Kbps is achi eved about 63% of the time, with low-quality playba ck periods observed only 7% of the time. Our results show that WiMAX networks can adequately support currently popular multimedia Internet applications.

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