A Framework for Cross-Layer Optimization of Video Streaming in Wireless Networks

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Executive Summary

The authors present a general framework for optimizing the quality of video streaming in wireless networks that are composed of multiple wireless stations. The framework is general because: it can be applied to different wireless networks, such as IEEE 802.11e WLAN and IEEE 802.16 WiMAX; it can employ different objective functions for the optimization; and it can adopt various models for the wireless channel, the link layer, and the distortion of the video streams in the application layer. The optimization framework controls parameters in different layers to optimally allocate the wireless network resources among all stations.

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