Simulation Study of Digital Spatial Processing in Conditions of Tropospheric Propagation of Radio Waves for Telecommunication Applications

被引：0

作者：

Peshkov I. ^{[1
]}

机构：

[1] Department of Physics, Radio Engineering and Electronics, Bunin Yelets State University

来源：

Progress In Electromagnetics Research C | 2024年 / 143卷

基金：

俄罗斯科学基金会;

关键词：

Antenna arrays - Bit error rate - Digital radio - Fading (radio) - Radio waves - Refractive index - Troposphere - Wave propagation;

D O I：

10.2528/PIERC24022104

中图分类号：

学科分类号：

摘要：

In this paper, the propagation of electromagnetic rays in a tropospheric waveguide and spatial processing using digital antenna arrays are studied. The beam traveling through the layers of the atmosphere depends on the refractive index and its vertical change. In this regard, conditions may arise when radio rays propagate in a waveguide manner at low altitudes. In this case, attenuation takes place, and the effect of multipath fading may also occur, when several rays reflected from different layers of the troposphere and with various spatial coordinates in elevation arrive at the receiver. It is proposed to apply digital antenna arrays to increase the range and reliability of radio communication through the tropospheric waveguide. Parabolic equations are utilized to estimate the path loses of radio waves of the centimeter wavelength. A ray-tracing algorithm via a tropospheric waveguide is used to estimate the mutual phases in the aperture of the receiving array. Bit error rate curves were obtained depending on the geometry of the antenna arrays after the signal passed through the tropospheric waveguide. © 2024, Electromagnetics Academy. All rights reserved.

引用

页码：109 / 119

页数：10

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