| 一种自适应无线局域网协议 |
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| 引用本文： | 彭泳,程时端.一种自适应无线局域网协议[J].软件学报,2004,15(4):604-615. |
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| 作者姓名： | 彭泳 程时端 |
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| 作者单位： | 北京邮电大学,程控交换与通信网国家重点实验室,北京,100876 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No.90204003 (国家自然科学基金); the National Research Foundation for the Doctoral Program of Higher Education of China under Grant No.20010013003 (国家教育部博士点基金); the China Postdoctoral Scienc |
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| 摘 要： | 研究了无线局域网IEEE802.11协议的DCF(distributed coordination function)接入方式,在建模基础上进行算法改进,提出了一种新的节点自适应链路碰撞的退避算法NSAD(new self-adaptive DCF algorithm).大量的仿真实验表明,所提出的算法在吞吐量、公平性、丢包等方面较原DCF协议都有显著提高.
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| 关 键 词： | DCF(distributed coordination function) 无线局域网 MAC |
| 文章编号： | 1000-9825/2004/15(04)0604 |
| 收稿时间： | 6/3/2003 12:00:00 AM |
| 修稿时间： | 2003年6月3日 |
A Self-Adaptive Wireless LAN Protocol |
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| PENG Yong and CHENG Shi-Duan.A Self-Adaptive Wireless LAN Protocol[J].Journal of Software,2004,15(4):604-615. |
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| Authors: | PENG Yong and CHENG Shi-Duan |
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| Abstract: | This paper presents an in-depth analysis of the DCF (distributed coordination function) access mode of IEEE802.11 protocol. Based on the result of this study, the authors have developed a new self-adaptive wireless LAN MAC (medium access control) algorithm with the name of NSAD (new self-adaptive DCF algorithm). Simulation results show that NSAD is superior to DCF in all characters concerned (e.g. goodput, fairness, and packet drop rate). |
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| Keywords: | DCF (distributed coordination function) wireless LAN MAC (medium access control) |
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