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支援高吞吐量與低延遲之IEEE 802.11媒體存取改良協定

論文內容
論文分類 碩士論文
學號 G972106
姓名 管金琳
標題 支援高吞吐量與低延遲之IEEE 802.11媒體存取改良協定
指導教授 梁世聰
畢業日期 2010-07
附件檔案  
參考連結 http://163.21.239.2/cgi-bin/cdrfb3/tmtcgsweb.cgi?o=dtmtccdr
摘要 研究指出IEEE 802.11分散式協調機制(Distributed Coordination Function;DCF)所使用之二元指數撤退演算法(Binary Exponential Back-off;BEB)在競爭者較多的無線網路環境下會因碰撞機率增高而導致網路效能不彰。因此,研究人員乃提出許多改良方法,藉由改變或調整傳送成功(失敗)時之競爭視窗(Contention Window;CW)增量(減量),有效改善了IEEE 802.11無線區域網路在高負載傳輸環境下之效能。然而,這些方法在傳輸負載變化
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