Abstract
Concerning the problem of poor video transmission quality caused by wireless network fluctuation, proposes a video transmission strategy based on fountain code. Combined with the characteristics of H.264 video stream, fountain code is used as the video transmission application layer coding scheme; a rate-based bandwidth estimation model is constructed, and the encoding parameters of fountain code are dynamically adjusted according to the bandwidth estimation results. Experiments show that the proposed video transmission control strategy can effectively improve the transmission quality of video data in wireless network environment with high packet loss rate. It has high coding flexibility and can effectively improve the bandwidth utilization.KeywordsWireless networkVideo transmissionFountain codeBandwidth measurement
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