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基于NS2的网络负载自适应DCF实现及性能分析 被引量：3

Load Self-adaptive DCF Implement and Performance Analysis Based on NS2
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摘要 根据网络负载自适应DCF机制的工作流程,对NS2网络仿真软件的IEEE802.11无线局域网仿真模块-Mac_802.11类进行了修改和扩展,实现了NS2对网络负载自适应DCF机制的仿真。结果表明,与标准DCF机制相比,网络负载自适应DCF机制对IEEE802.11无线局域网的吞吐量、时延、时延抖动和公平性等方面的性能均有所提高。 According to the running process of load self-adaptive DCF mechanism, the simulation module of IEEE802. 11 WLAN- Mac802. 11 class in NS2 was modified and extended to implement the simulation of load self-adaptive DCF mechanism by NS2. Simulation results indicate, compared with standard DCF mechanism, the load self-adaptive DCF mechanism can enhance the performance of IEEE802. 11 WLAN in throughput, delay, delay jitter and fairness.
作者 宋军 金艳华 宋文
机构地区 重庆交通大学信息科学与工程学院 重庆邮电大学通信与信息工程学院
出处 《计算机科学》 CSCD 北大核心 2009年第3期112-115,共4页 Computer Science
基金 重庆市自然科学基金(CSTC2006BB2413) 重庆市科技攻关项目(CSTC2008AC2075) 重庆市教委科技研究项目(KJ080425)资助
关键词 网络仿真 NS2 IEEE802.11无线局域网 网络负载自适应DCF Network simulation, NS2, IEEE802.11 WLAN, Load self-adaptive DCF
分类号 TP393.04 [自动化与计算机技术—计算机应用技术]
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参考文献10

  • 1Fall K, Varadhan K. The ns Manual [EB/OL]. http : //www. isi. edu/nsnam/ns/doc. 2003
  • 2IEEE Std. 802. 11,1999 Edition,PartⅡ: IEEE 802. 11 Wireless LAN medium access control (MAC) and physical (PHY) layer specifications[S], 1999
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二级参考文献18

  • 1[1]IEEE 802.11. Wireless LAN medium access control (MAC) and physical (PHY) layer specifications, 1999.
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共引文献24

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计算机科学
2009年 第3期

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