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Spatio-Temporal Analysis of Throughput for Single-Hop CSMA Networks

机译:单跳CSMA网络的吞吐量时空分析

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Throughput model for non-persistent CSMA networks which was proposed by Kleinrock and Tobagi has been widely used, although it provides a loose lower bound when nodes are distributed in a large area because the analysis assumes that the propagation delay between each pair of users equals to the largest propagation delay in the network. We present a throughput analysis which considers the spatial distribution of nodes. We obtain a simple throughput expression which predicts throughput with an 8% maximum error whereas the earlier model results in a 44% error when the maximum propagation delay equals to the packet transmission time.
机译:Kleinrock和Tobagi提出的非持久CSMA网络吞吐量模型已被广泛使用,尽管当节点分布在较大区域时它提供了一个宽松的下界,因为分析假设每对用户之间的传播延迟等于网络中最大的传播延迟。我们提出了一种吞吐量分析,其中考虑了节点的空间分布。我们获得了一个简单的吞吐量表达式,该表达式可预测最大误差为8%的吞吐量,而当最大传播延迟等于数据包传输时间时,较早的模型将导致44%的误差。

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