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PERFORMANCE ANALYSIS OF MULTI-RATE IEEE 802.11 NETWORKSOVER GAUSSIAN CHANNEL

机译:高斯信道上多速率IEEE 802.11网络的性能分析

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IEEE 802.11 supports adaptive rate mechanism, whichrnselects the transmission rate according to the condition ofrnwireless channel, to enhance the system performance.rnThus, the research of multi-rate MAC performance hasrnbecome one of hot research topics. In this paper, we studyrnthe performance of multi-rate IEEE 802.11 MAC overrnGaussian channel. A simple but accurate analytical modelrnis presented to compute the system saturation throughput.rnWe validate our model through simulation. The numericalrnresults show that the performance of IEEE 802.11 DCFrnwith RTS/CTS access is slightly better than that withrnbasic access in multi-rate and high-error network, whilernmulti-rate IEEE 802.11 DCF with RTS/CTS accessrnperforms much better than IEEE 802.11 DCF with basicrnaccess in low-error environment.
机译:IEEE 802.11支持自适应速率机制,该机制根据无线信道的条件选择传输速率,以提高系统性能。因此,多速率MAC性能的研究已成为研究的热点之一。在本文中,我们研究了高斯信道上多速率IEEE 802.11 MAC的性能。提出了一个简单但准确的分析模型来计算系统饱和吞吐量。我们通过仿真验证了模型。数值结果表明,在多速率和高错误网络中,具有RTS / CTS访问的IEEE 802.11 DCF的性能比基本访问要好,而具有RTS / CTS访问的多速率IEEE 802.11 DCF的性能要比具有基本访问的IEEE 802.11 DCF好得多在低错误的环境中。

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