Computer Science ›› 2015, Vol. 42 ›› Issue (6): 131-134.doi: 10.11896/j.issn.1002-137X.2015.06.029

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Multi-user Video Stream Distributed Scheme with Minimal Distortion Scheduling

JIANG Ying, LI Yan-ping, GUO Shu-xia and LI Wei-ping   

  • Online:2018-11-14 Published:2018-11-14

Abstract: In order to improve the transmission quality of the video data stream,reduce the distortion rate of the video data stream,and then improve network utilization efficiency of video data stream,this paper presented a multi-user video stream distributed scheme with minimum distortion scheduling.The program uses the model to capture the sum total of the video distortion,and establishes video stream distortion model.By further modelling with M/G/1 queuing model,the delay distribution correlation function about video distortion and transmission is gotten.By optimizing the network congestion,the delay for the system can be constrainted,thereby reducing the loss of straightforward video.The minimized optimal solution of routing congestion is gotten by considering routing and rate allocation of common questions,minimizing network transmission delays.Comparative analysis and experimental results show that the scheme achieves good results in reducing distortion ratio of the video,shortening latency of video stream transmission and controling packet loss rate.

Key words: Multi-channel radio network,Video streaming,Minimal distortion scheduling,Additive model,Delay constraint

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