The Effects of Tropical Weather on Radio-Wave Propagation Over Foliage Channel

被引：33

作者：

Meng, Yu Song ^{[1
]}

Lee, Yee Hui ^{[1
]}

Ng, Boon Chong ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2009年 / 58卷 / 08期

关键词：

Forest; propagation; ultrahigh frequency (UHF) and weather; very high frequency (VHF); LINE-OF-SIGHT; WAVE-PROPAGATION; VEGETATION; FORESTS; WIND;

D O I：

10.1109/TVT.2009.2021480

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper investigates the dynamic property of a tropical forested channel due to the weather effect on very high frequency (VHF) and ultrahigh frequency (UHF) radio-wave propagation. In this paper, continuous-wave (CW) envelope fading waveforms are recorded over a period of 50 s with static antennas. This paper focuses on the analysis of the combined effect of wind and rain, which is often encountered in a tropical forest. The induced temporal effects are discussed and compared with theoretical models. It is found that the distribution of temporal fading components resembles a Rician distribution function. Its Rician K factor gradually decreases as the strength of either wind or rain increases due to the movement of the forest components.

引用

页码：4023 / 4030

页数：8

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