Mobility Investigate

Enhancing Packet-Level Forward Error Correction for Streaming Video in Wireless Networks

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Executive Summary

Forward Error Correction (FEC) is a common error control technique in which the streaming video is protected by adding redundant data to the encoded bitstream such that the original source information can still be recovered in the event of errors or losses. Based on the information on the video content and channel status, an optimal packet-level FEC model can be built to obtain the best video delivery quality of streaming video under the transmission rate constraints. However, the wireless channel properties such as burst errors and limited bandwidth impair the FEC efficiency since the FEC schemes typically adopt large packets to achieve a high data throughput.

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