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首页> 外文会议>2019 IEEE 89th Vehicular Technology Conference >Throughput Analysis for IEEE 802.11 Multi-Hop Networks Considering Transmission Rate
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Throughput Analysis for IEEE 802.11 Multi-Hop Networks Considering Transmission Rate

机译：考虑传输速率的IEEE 802.11多跳网络的吞吐量分析

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摘要

This paper considers wireless string-topology multi-hop networks, in which each network node operates autonomously following the IEEE 802.11 Distributed Coordination Function (DCF). The IEEE 802.11 DCF defines multiple transmission rates. In general, the transmission rate is inversely proportional to the transmission distance. The carrier-sensing distance, however, is independent of the transmission rate under the condition of identical transmission power. Therefore, when the transmission rate amplifies, the number of nodes within the carrier-sensing range may increase; hence affect the network performance. The previous works either simplify or have no consideration of the effect. Addressing the issue, we newly propose an analytical expression of end-to-end throughputs of IEEE 802.11 string-topology multi-hop networks, taking into account transmission rates. The validity of the proposed analytical model is confirmed from the quantitative agreements with the simulation results.
机译：本文考虑了无线字符串拓扑多跳网络，其中每个网络节点都遵循IEEE 802.11分布式协调功能（DCF）自主运行。 IEEE 802.11 DCF定义了多种传输速率。通常，传输速率与传输距离成反比。但是，在相同发射功率的情况下，载波检测距离与传输速率无关。因此，当传输速率放大时，载波侦听范围内的节点数可能会增加；从而影响网络性能。以前的作品要么简化，要么不考虑效果。为了解决这个问题，我们最近提出了一种考虑传输速率的IEEE 802.11字符串拓扑多跳网络的端到端吞吐量的解析表达式。从定量结果与仿真结果确认了所提出分析模型的有效性。

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