Energy efficiency modeling for IEEE 802.11 DCF system without retry limits

研究成果: Article同行評審

7 引文 斯高帕斯(Scopus)

摘要

The proliferation of mobile computing devices including portable computers, PDAs and handheld devices has created a tremendous demand for wireless local area networks (WLANs). One of the greatest limitations of contemporary WLANs is the finite energy resource of mobile computing devices. As a result, energy-efficient protocol design for WLANs has recently become the focus of many research efforts. To design energy-efficient protocols, it is indispensable to thoroughly investigate the energy consumption of WLANs. In this paper, we propose an analytical framework to study the energy consumption and energy efficiency of IEEE 802.11 WLANs. Extensive simulations are conducted to validate the theoretical analysis. It is shown that the theoretical model is accurate in predicting the energy efficiency over a wide range of scenarios. In addition, the impacts of different MAC layer parameters on energy efficiency of IEEE 802.11 WLANs are examined. Insights into the effects of different parameters on energy efficiency are provided as well.

原文English
頁(從 - 到)856-862
頁數7
期刊Computer Communications
30
發行號4
DOIs
出版狀態Published - 2007 二月 26

All Science Journal Classification (ASJC) codes

  • 電腦網路與通信

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