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中文摘要：
本文基于区分业务优先级服务的应用需求,提出了两级优先级控制的轮询系统,采用门限服务和完全服务的不同服务策略方式实现了基于优先级的控制.然后,应用马尔可夫链和概率母函数的方法建立了系统模型,并精确解析了系统的平均排队队长和信息分组的平均等待时间关键特性,理论计算和仿真实验的对比分析说明了理论分析与实验的一致性,新的轮询系统实现了优先级的控制并提高了系统性能.
英文摘要：
In this paper, based on the priority-based applications we propose the Two-class Priority Based Polling System, which uses Gated and Exhaustive services to realize the priority-based scheme. The model of the new system is set up by method of imbedded Markov chain theory and generation function and the key system performance characteristics such as mean queue length and information packet waiting time are explicitly analyzed. Theoretical and simulation results are identical and show that the new system efficiently differentiates priorities and meets the practial demands of priority-based applications well.
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