Channel Fading Characteristics of Hyperloop Scenarios Based on Ray-Tracing Model

被引：2

作者：

Wang, Kai ^{[1
]}

Liu, Liu ^{[1
]}

Zhang, Jiachi ^{[1
]}

Liu, Meilu ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing 100044, Peoples R China

来源：

SYMMETRY-BASEL | 2023年 / 15卷 / 03期

基金：

北京市自然科学基金;

关键词：

hyperloop; wireless communication; channel characteristics; ray-tracing;

D O I：

10.3390/sym15030567

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Hyperloop is envisioned as the next generation of railway transportation mode, which can proceed at a speed of more than 1000 km/h. The safe operation of the Hyperloop depends heavily on the support of a stable communication system. In this paper, we propose a 3D channel model in vacuum tube scenarios based on the ray-tracing method. The reflection paths and line of sight (LoS) paths are considered. We derive the channel transfer function (CTF) expression for each multipath, and then the channel impulse response (CIR) is obtained. On this basis, the large-scale and small-scale channel characteristics, including path loss, shadow fading, correlation coefficient, delay spread, and angular spread, are investigated and analyzed. Simulation results show that the proposed channel model can characterize the wireless channel in the Hyperloop scenarios in detail, and the results maintain a high level of symmetry between the range of 0-250 m and 250-500 m. The relevant research results will contribute to the design of future Hyperloop wireless communication systems.

引用

页数：15

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