| 两级优先级控制轮询系统研究 |
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| 引用本文： | 杨志军,赵东风,丁洪伟,赵一帆. 两级优先级控制轮询系统研究[J]. 电子学报, 2009, 37(7): 1452-1456 |
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| 作者姓名： | 杨志军 赵东风 丁洪伟 赵一帆 |
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| 作者单位： | 1. 云南大学通信工程系,云南昆明,650091云南省教育厅教科院,云南昆明,650223
2. 云南大学通信工程系,云南昆明,650091 |
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| 基金项目： | 国家自然科学基金(No.69862001,No.60362001,No.F0424104) |
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| 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.
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| 关 键 词： | 轮询系统 优先级控制 门限服务 完全服务 |
| 收稿时间： | 2008-10-14 |
Research on Two-class Priority Based Polling System |
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| YANG Zhi-jun,ZHAO Dong-feng,DING Hong-wei,ZHAO Yi-fan. Research on Two-class Priority Based Polling System[J]. Acta Electronica Sinica, 2009, 37(7): 1452-1456 |
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| Authors: | YANG Zhi-jun ZHAO Dong-feng DING Hong-wei ZHAO Yi-fan |
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| Affiliation: | 1.Department of Communication Engineering;Yunnan University;Kunming;Yunnan 650091;China;2.Educational and Scientific Institute;Educational Department of Yunnan Province;Yunnan 650223;China |
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| Abstract: | 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 efficient... |
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| Keywords: | polling system priority-based scheme gated service exhaustive service |
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