Abstract
The growth in video applications over IP networks has been blooming in recent years. Therefore, how to improve the quality of video transmission is becoming a challenge for researchers. In this paper, we propose a mechanism to control the marking (drop) packets in the BLUE active queue management. To improve the quality of video transmission, we have built the control function to mark (drop) the packet based on the buffer size at the router, the status of the network and the characteristics of the video stream encoding MPEG. The proposed method was experimented by simulation on NS-2 platform, using objective measurement for video quality PSNR (dB) obtained through simulation experiments over IP network environment. The results showed that the quality of video transmission at the receiver improved approximately 5.12 % compared with the original BLUE queue.
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