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Adaptive Forward Error Correction Combined with Packet Size Control for Wireless Video

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1 Author(s)
Chi-Huang Shih ; Dept. of Comput. Sci. & Inf. Eng., Hung Kuang Univ., Taichung, Taiwan

Forward error correction (FEC) is one popular error control technique to protect the video bitstream by encoding the redundancies to recover the source information errors/losses. However, the FEC redundancy trades additional bandwidth consumption to protect video data, and therefore the wireless channel properties such as burst errors and limited bandwidth impair the FEC efficiency. In this paper, we couple the packet size control mechanism with the FEC technique to enhance the FEC efficiency in the wireless networks. Accordingly, an adaptive FEC scheme combined with packet size control is developed to simultaneously adjust the transport packet size and the degree of FEC redundancy based on the least bandwidth consumption strategy. The experimental results show that compared to the traditional adaptive FEC scheme, the proposed scheme can achieve a PSNR gain of 1.17dB and decrease as much as 52% of bandwidth consumption.

Published in:

Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP), 2010 Sixth International Conference on

Date of Conference:

15-17 Oct. 2010

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