| 基于缓存队列长度的自适应网络接入延迟算法 |
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| 引用本文： | 钦健,李鸥,杨白薇. 基于缓存队列长度的自适应网络接入延迟算法[J]. 计算机应用, 2009, 29(6): 1494-1508 |
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| 作者姓名： | 钦健 李鸥 杨白薇 |
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| 作者单位： | 信息工程大学,信息工程学院,郑州,450002 |
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| 摘 要： | 通过对五种网络接入延迟(NAD)算法DAP-NAD、P-NAD、R-NAD、H-NAD和RE-NAD,建立仿真模型,分析各种NAD的性能以及适用场合,针对以上几种NAD的缺点,提出了一种新的基于缓存队列长度的自适应网络接入算法(AQL-NAD)。通过仿真表明,AQL-NAD与以上五种NAD相比,具有较高的吞吐量,且有更低的端到端延时性能,节省了大量的时隙资源。
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| 关 键 词： | 媒体接入控制 网络接入延迟 吞吐量 碰撞率 Medium Access Control (MAC) Net Access Delay (NAD) throughput collision ratio |
| 收稿时间： | 2008-12-18 |
| 修稿时间： | 2009-02-24 |
Adaptive net access delay algorithm based on queue length |
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| QIN Jian,LI Ou,YANG Bai-wei. Adaptive net access delay algorithm based on queue length[J]. Journal of Computer Applications, 2009, 29(6): 1494-1508 |
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| Authors: | QIN Jian LI Ou YANG Bai-wei |
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| Affiliation: | College of Information Engineering;Information Engineering University;Zhengzhou Henan 450002;China |
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| Abstract: | Several simulation models were built for analyzing the five Net Access Delay (NAD) algorithms, such as DAP-NAD, P-NAD, R-NAD, H-NAD and RE-NAD. Simulation experiments help to analyze the performance and usage of these NAD algorithms. A kind of new NAD algorithm Adaptive Queue Length Net Access Delay (AQL-NAD) was proposed. The simulation of AQL-NAD shows higher throughput, lower end-to-end Delay and less time slot used than the five NAD algorithms above. |
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