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Cross-Layer Optimization of OFDM Transmission Systems for MPEG-4 Video Streaming

Overview This paper studies the performance of a combined link- and physical-layer approach for the downlink of a dynamic OFDM-FDMA transmission system delivering MPEG-4 video streams. The approach consists of three different mechanisms - queue management, resource allocation, and subcarrier assignment - which can be used separately as well as in combination. This cross-layer approach allows to utilize channel-related knowledge and semantic information of the streams' packets. Consecutively adding these mechanisms to the studied system, the authors judge their respective impact on system performance.

Further White Paper Details
Publisher	Technical University of Berlin	File Format	PDF
Date Published	April 2007
Format	White Papers
Topics	Wireless LAN, Systems Integration, Mobile - Wireless Communications

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