A Video Transmission Scheme in Wireless Cellular Networks
نویسندگان
چکیده
For the problem of long video transmission delay and low network efficiency caused by high energy consumption, a Dynamic Programming & Markov Decision Processes (DP-MDP) video transmission scheme is proposed. This scheme takes advantage of that the user instant request is independent to the past states. We combine the DP algorithm with MDP to solve relative problem in the user request process, therefore, we can significantly reduce the server and backbone network transmission loss of hot video, and also improve the network efficiency. The theoretical analysis and derivation based on DP algorithm are conducted to the entire transmission process, then we establish the analytical expression based on DP algorithm. The simulation results show that compare to conventional video transmission, the video transmission program based on the DP-MDP can effectively save total energy and reduce the system transmission delay.
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تاریخ انتشار 2013