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在多业务资源受限蜂窝系统中,提出了一种有效分析系统性能的方法.通过对用户的业务和行为特征进行合理统一的描述,给出了符合混合业务特性的用户业务及行为模型.基于多维连续时间马尔可夫链,得到了系统期望阻塞率、业务中断概率以及系统资源利用率与用户特性之间的关系.仿真结果表明,与已有方法相比,提出的方法能更准确地分析系统性能.
In the multi-service constrained cellular system, a method to effectively analyze the performance of the system is proposed, and the service and behavior model of the user, which is in line with the characteristics of mixed services, is given by describing the user’s service and behavior characteristics reasonably and uniformly. The multi-dimensional continuous-time Markov chain obtains the relationship between expected system blocking rate, service interruption probability and system resource utilization and user characteristics.The simulation results show that the proposed method can be more accurately analyzed than the existing methods System performance.