| Summary: | 碩士 === 東海大學 === 應用數學研究所 === 86 ===
In this paper, we are using three models for discussing video communications systems. Each video fram are coded by Conditional Replenishment method before transmitting. We are using the original data and two kinds of models for simulations under different initial conditions. In simulations, for the purpose to improve loss rate we discover that increasing output rate will result great improvement than increasing common buffer size. Under comparisons, simulations using DAR process have closer agreement to results using original data, but it takes a long running time to get a reliable result. Finally, result using queueing analysis have the same closer agreement to results using orginal data, however takes less time to obtain the results than DAR.
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