Provided evidence that dmap yields a very good estimation of the cell loss ratio for usual superpositions of voice and vbr video sources. According to figure 4, increases with an increasing traffic arrival rate. These models can not be applied to analyze the performance measures of wireless multimedia networks. With buffer size , the sojourn-time on congestion of the dbmap/dbmsp/1/ queueing system is characterized. Exploring the short term loss behavior of multimedia traffic in wireless multimedia networks is thus of priority concern. The use of dbmap is proposed in  to model video sources. The distributions of various absorbing times in the two transient markov chains are derived to compute the average durations of the congested periods and the conditional packet loss probability encountered during a congested period. Consequently, short term performance metrics profoundly impact the evaluation of wireless based multimedia applications. We apply a matrix-analytical approach to analyze the sojourn-time on congestion. Casals, “statistical multiplexing of vbr sourcesa matrix-analytic approach,” s.
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