IEEE 802.11a和802.11g网络的吞吐量性能比较

21st International Conference on Advanced Information Networking and Applications (AINA '07) Pub Date : 2007-05-21 DOI:10.1109/AINA.2007.46

P. Mahasukhon, M. Hempel, S. Ci, H. Sharif

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引用次数: 26

摘要

802年。llg提供了对2.4 GHz的802.11b的向后兼容性，具有相同的MAC参数集。然而，这种兼容性导致802.1 lg在无线电吞吐量性能方面与802.11a表现不同，尽管这两个标准都采用正交频分复用(OFDM)技术来实现高数据速率。在本文中，我们比较并深入分析了802.11a和802.1 lg标准的吞吐量性能。为了比较802.11a和802.1 lg的吞吐量性能，采用IEEE 802.11 MAC的马尔可夫链模型来评估饱和吞吐量。我们的分析和实验结果表明，即使使用与802.11a相同的OFDM技术，802.1 lg的吞吐量性能也较差。

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Comparison of Throughput Performance for the IEEE 802.11a and 802.11g Networks

The 802. llg offers backward compatibility to 802.11b operating in 2.4 GHz with the same set of MAC parameters. However, this compatibility causes 802.1 lg to perform differently as 802.11a in terms of radio throughput performance, although both standards employ orthogonal frequency division multiplexing (OFDM) technology to achieve high data rate. In this paper, we compare and present an in- depth analysis of the throughput performance of both 802.11a and 802.1 lg standards. In order to compare the throughput performance of 802.11a and 802.1 lg, a Markov chain model of IEEE 802.11 MAC is adopted to evaluate the saturation throughput. Our analytical and experimental results show an inferior throughput performance for 802.1 lg even with the same OFDM technology as employed for 802.11a.

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21st International Conference on Advanced Information Networking and Applications (AINA '07)

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