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Little定理是在排队系统中的基本定理,公式为N=λ*T它是用来表明:系统中的用户数(顾客数)=[用户(顾客)的平均到达率]*[用户(顾客)的平均时延]。现在我们尝试使用Little定理来监测在GSM中所熟知的语音通信和短信两种功能中的容量问题,进而来得出系统现在是否要升级。
The Little theorem is the basic theorem in queuing system, the formula is N = λ * T which is used to indicate: the number of users in the system (number of customers) = [the average arrival rate of users (customers)] * [users The average delay]. Now we try to use Little’s Theorem to monitor the capacity issues in both voice communication and SMS messaging, which are well known in GSM, to figure out whether the system is going to be upgraded now.