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DOI:
Journal of Software:2004.15(4):604-615

一种自适应无线局域网协议
彭泳,程时端
(北京邮电大学,程控交换与通信网国家重点实验室,北京,100876)
A Self-Adaptive Wireless LAN Protocol
PENG Yong,CHENG Shi-Duan
()
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Received:June 03, 2003    Revised:July 23, 2003
> 中文摘要: 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.
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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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 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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彭泳,程时端.一种自适应无线局域网协议.软件学报,2004,15(4):604-615

PENG Yong,CHENG Shi-Duan.A Self-Adaptive Wireless LAN Protocol.Journal of Software,2004,15(4):604-615