Characterizing the 80 GHz Channel in Static Scenarios: Diffuse Reflection, Scattering, and Transmission Through Trees Under Varying Weather Conditions

IF 3.4 3区计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Access Pub Date : 2024-10-02 DOI:10.1109/ACCESS.2024.3472003

Radek Zavorka;Tomas Mikulasek;Josef Vychodil;Jiri Blumenstein;Aniruddha Chandra;Hussein Hammoud;Jan M. Kelner;Cezary Ziółkowski;Thomas Zemen;Christoph Mecklenbräuker;Ales Prokes

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引用次数: 0

Abstract

The deployment of wireless systems in millimeter wave relies on a thorough understanding of electromagnetic wave propagation under various weather conditions and scenarios. In this study, we characterize millimeter wave propagation effects from measurement data, utilizing channel impulse response analysis with a focus on root mean square delay spread and Rician K-factor. The obtained results highlight the significant influence of weather conditions and foliage on propagation, including diffuse reflection, scattering, and absorption. Particularly, we observed a notable increase in scattering from deciduous trees with leaves, in comparison with bare trees or ones covered by snow or ice. The attenuation of the signal propagated through a tree with foliage is 2.16dB/m higher compared to a bare tree. Our validation measurements within a semi-anechoic chamber confirmed these observations and aided in quantifying the differences. These findings offer valuable insights into the dynamics of millimeter-wave signals that are important for advancing wireless communication technologies.

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在静态场景中鉴定 80 GHz 信道：不同天气条件下树木的漫反射、散射和传输

毫米波无线系统的部署有赖于对各种天气条件和场景下电磁波传播的透彻了解。在本研究中，我们利用信道脉冲响应分析，重点关注均方根延迟扩散和里克里亚 K 因子，通过测量数据描述毫米波传播效果。获得的结果凸显了天气条件和树叶对传播的重大影响，包括漫反射、散射和吸收。特别是，与光秃秃的树木或被冰雪覆盖的树木相比，我们观察到落叶树木的散射明显增加。与光秃秃的树木相比，通过长满树叶的树木传播的信号衰减要高出 2.16dB/m。我们在半消声室中进行的验证测量证实了这些观察结果，并有助于量化差异。这些发现为毫米波信号的动态变化提供了宝贵的见解，对推动无线通信技术的发展非常重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Access COMPUTER SCIENCE, INFORMATION SYSTEMSENGIN-ENGINEERING, ELECTRICAL & ELECTRONIC

CiteScore

9.80

自引率

7.70%

发文量

6673

审稿时长

6 weeks

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