| 无线局域网络的性能模型和仿真 |
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| 引用本文： | 皇甫伟,雷文,盛凌志,周新运.无线局域网络的性能模型和仿真[J].北京邮电大学学报,2006,29(Z1):1-5. |
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| 作者姓名： | 皇甫伟 雷文 盛凌志 周新运 |
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| 作者单位： | 1. 中国科学院软件研究所，北京100080; 2. 中国科学院研究生院，北京 100039 |
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| 基金项目： | 国家自然科学基金项目(6047207660434030) |
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| 摘 要： | 为估算网络性能、指导网络规划和设计相应的连接接纳控制算法，研究了无线局域网络的媒体接入控制协议，提出一种无线局域网络的随机服务模型，通过生成函数方法和排队论理论得到了无线局域网络在不同终端数目和不同业务量条件下的性能指标。进一步的，指出对于终端数目较多的无线局域网络，在业务的饱和临界点附近，网络的性能存在突然的恶化，为连接接纳控制算法提供了理论依据。仿真试验验证了模型和结论的合理性。
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| 关 键 词： | 无线局域网 媒体接入控制 连接接纳控制 |
| 收稿时间： | 2006-01-24 |
Performance Model and Simulation on the Wireless Local Area Network |
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| HUANGFU Wei.Performance Model and Simulation on the Wireless Local Area Network[J].Journal of Beijing University of Posts and Telecommunications,2006,29(Z1):1-5. |
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| Authors: | HUANGFU Wei |
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| Affiliation: | 1. Institute of Software, Chinese Academy of Sciences, Beijing, 100080, China;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
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| Abstract: | A stochastic service system model based on the media access control protocol is provided for the performance estimation,and the connection admission control algorithm design of wireless local area networks.The network performances for various numbers of stations and various traffic loads are obtained based on the model and queue theory.Furthermore,it is presented that the network performances will deteriorate seriously when the traffic exceeds the saturated threshold in the wireless network with numerous stations and thus it provides theoretically results for the connection admission control algorithm.The model and conclusions are verified by simulations. |
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| Keywords: | wireless local area network media access control connection admission control |
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