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首页> 外文期刊>Eurasip Journal on Wireless Communications and Networking >Radio wave propagation in curved rectangular tunnels at 5.8 GHz for metro applications, simulations and measurements
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Radio wave propagation in curved rectangular tunnels at 5.8 GHz for metro applications, simulations and measurements

机译：5.8 GHz弯曲矩形隧道中的无线电波传播，用于地铁应用，仿真和测量

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摘要

Nowadays, the need for wireless communication systems is increasing in transport domain. These systems have to be operational in every type of environment and particularly tunnels for metro applications. These ones can have rectangular, circular or arch-shaped cross section. Furthermore, they can be straight or curved. This article presents a new method to model the radio wave propagation in straight tunnels with an arch-shaped cross section and in curved tunnels with a rectangular cross section. The method is based on a Ray Launching technique combining the computation of intersection with curved surfaces, an original optimization of paths, a reception sphere, an IMR technique and a last criterion of paths validity. Results obtained with our method are confronted to results of literature in a straight arch-shaped tunnel. Then, comparisons with measurements at 5.8 GHz are performed in a curved rectangular tunnel. Finally, a statistical analysis of fast fading is performed on these results.
机译：如今，在传输领域对无线通信系统的需求正在增长。这些系统必须在每种类型的环境中均可运行，尤其是在地铁应用的隧道中。这些可以具有矩形，圆形或弓形的横截面。此外，它们可以是直的或弯曲的。本文提出了一种新的方法来模拟无线电波在具有拱形横截面的直形隧道和具有矩形横截面的弯曲隧道中的传播。该方法基于射线发射技术，该技术结合了与曲面相交的计算，路径的原始优化，接收球，IMR技术以及路径有效性的最后标准。用我们的方法获得的结果与笔直的拱形隧道中的文献结果相对。然后，在弯曲的矩形隧道中与5.8 GHz的测量值进行比较。最后，对这些结果进行快速衰落的统计分析。

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