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Modeling and throughput analysis of distributed WiFi networks

机译：分布式WiFi网络的建模和吞吐量分析

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Throughput performance of WiFi networks, which employ the Carrier Sense Multiple Access (CSMA) technique, can be estimated fairly accurately using Bianchi's analytic solution provided all elements of the network are within the carrier sensing range of one another. However, this solution cannot be applied to networks that are spread over a wide area. A paper by Liew, et al proposed an interesting approximate solution for such networks. While this solution was shown to work well in a variety of conditions, it suffers from a limitation in that it requires all transmitter-receiver pairs to have independent and identically distributed (i.i.d.) transmission times. In this paper, we generalize some of the key results of Liew, et al by removing the restriction on transmission times, which leads to a solution technique that can be used to analyze CSMA networks where different transmitter-receiver pairs operate at different bit rates. We also provide a few examples to illustrate how well this technique works in different settings and compare it with solutions based on other methods.
机译：如果Bianchi的分析解决方案能够有效地估计采用载波侦听多路访问（CSMA）技术的WiFi网络的吞吐量性能，前提是该网络的所有元素都在彼此的载波侦听范围内。但是，该解决方案不能应用于遍布大范围的网络。 Liew等人的论文为此类网络提出了一种有趣的近似解决方案。虽然该解决方案在各种条件下都可以很好地工作，但是它有一个局限性，即它要求所有发送器-接收器对都具有独立且均匀分布的（i.i.d.）传输时间。在本文中，我们通过消除对传输时间的限制来概括Liew等人的一些关键结果，从而得出了一种可用于分析CSMA网络的解决方案技术，其中不同的收发器对以不同的比特率工作。我们还提供了一些示例来说明该技术在不同设置下的效果如何，并将其与基于其他方法的解决方案进行比较。

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