首页> 外文会议>Proceedings of the IASTED International Conference on Networks and Communication Systems >FADING ANALYSIS OF VEGETATION DENSITY EFFECTS ON PATH LOSS FOR 1.8 GHZ CELLULAR MOBILE WITH LOW BASE STATION ANTENNA HEIGHT
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FADING ANALYSIS OF VEGETATION DENSITY EFFECTS ON PATH LOSS FOR 1.8 GHZ CELLULAR MOBILE WITH LOW BASE STATION ANTENNA HEIGHT

机译:低基极天线高度的1.8 GHZ细胞移动的植被密度效应对路径损失的衰减分析

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This paper presents studies of propagation characteristics in a suburban forest based on a measurement campaign at a frequency of 1.8 GHz. We investigated how tree density affected the fast fading characteristic depending on tree density and base station antenna height in a range of 3, 4, and 5 m above ground while the receiving antenna height was fixed at 1.8 m above ground. Three categories were studied: high density area, low density areas and grass area. Measurement of the receiver signal over 120 s intervals for a stationary mobile were used to obtain the distribution functions for the fading. We found that the distributions followed a Rician distribution, whose K-factor depended on tree density and transmitter height.
机译:本文基于频率为1.8 GHz的测量活动,介绍了郊区森林中的传播特性。我们研究了树密度如何影响树的密度和基站天线在离地面3、4和5 m范围内的高度而对快速衰落特性的影响,而接收天线的高度固定在离地面1.8 m处。研究了三类:高密度地区,低密度地区和草地地区。对于固定的移动站,在120 s间隔内对接收器信号进行测量,以获取衰落的分布函数。我们发现分布遵循Rician分布,其K因子取决于树的密度和发射器高度。

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