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讨论GI_geom排队模型的无限缓存的离散时间单服务器排队系统 .在系统具有独立的到达过程和几何服务时间的假设下 ,利用生成函数逼近缓冲区容量均值与方差的显示表达式 ,求出了信息延迟的均值和方差 ,并利用这种方法对离散时间的具体系统进行了分析 .
This paper discusses the infinitely cached discrete time single server queuing system of GI_geom queuing model.Using the expression of the generating function approximating the mean and variance of the buffer capacity under the assumption that the system has independent arrival process and geometric service time, The mean and variance of this method are also used to analyze the specific system of discrete time.