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Cross-Layer Design for Packetized Video Communications over Wireless Ad Hoc Networks

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2 Author(s)
Zheng Wu ; Sch. of Inf. Sci. & Eng., Grad. Univ. of Chinese Acad. of Sci., Beijing, China ; Jiankang Wu

With the growing popularity of video communications in wireless ad hoc network, cross-layer design (CLD) provides a novel technique that can dynamically accommodate its policy to time-varying channel condition and guarantee different Quality of Service (QOS) in real-time video transmission. In this paper, to minimize the distortion of real-time video transmission, we propose a cross-layer optimized framework which jointly combines network layer, MAC layer and physical layer, and then use the queue length and the Signal to Interference-plus-Noise Ratio (SINR) as the cross-layer information to make on-line routing decisions. The video is coded with multiple description coding (MDC) and single description coding (SDC), and experimental results validate the effectiveness of our approach.

Published in:

2010 6th International Conference on Wireless Communications Networking and Mobile Computing (WiCOM)

Date of Conference:

23-25 Sept. 2010