A cross-layer link adaptation algorithm for IEEE 802.11 WLAN with multiple nodes

Chiapin Wang*, Tsungnan Lin

*此作品的通信作者

研究成果: 書貢獻/報告類型會議論文篇章

1 引文 斯高帕斯(Scopus)

摘要

IEEE 802.11 Wireless Local Area Network (WLAN) PHYsical Layer (PHY) offers multiple data rates. In multi-rate WLANs, 802.11 Distributed Coordination Function (DCF) presents the phenomenon so called "performance anomaly": when some hosts transmit at lower data rates, throughput of others at high rates will be restricted within the lowest rate, leading to the degradation of overall performance. Therefore, the link adaptation scheme for 802.11 WLAN should consider not only throughput of the observed host but also system throughput in order to optimize the overall performance. In this paper we propose a cross-layer link adaptation algorithm which improves system throughput by regarding the situation of PHY rate degradation more thoughtfully and critically, and meanwhile compensates the throughput of hosts with bad link qualities by applying differentiated channel access parameters. Simulation results demonstrate the effectiveness of the propose algorithm.

原文英語
主出版物標題Proceedings of the 3rd IEEE Asia-Pacific Services Computing Conference, APSCC 2008
發行者IEEE Computer Society
頁面1162-1167
頁數6
ISBN(列印)9780769534732
DOIs
出版狀態已發佈 - 2008
事件3rd IEEE Asia-Pacific Services Computing Conference, APSCC 2008 - Yilan, 臺灣
持續時間: 2008 十二月 92008 十二月 12

出版系列

名字Proceedings of the 3rd IEEE Asia-Pacific Services Computing Conference, APSCC 2008

其他

其他3rd IEEE Asia-Pacific Services Computing Conference, APSCC 2008
國家/地區臺灣
城市Yilan
期間2008/12/092008/12/12

ASJC Scopus subject areas

  • 電腦科學應用
  • 軟體
  • 電氣與電子工程

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