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3G/4G mobile communications propagation loss NPL model and network optimization scheme under shelter of vegetation

机译:3G / 4G移动通信传播损耗NPL模型和网络优化方案在植被下

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To problem of mobile communications signals attenuation caused by high density street trees, we firstly split street trees into four categories based on the trees' heights and ages, and then bring up models of 3G/4G mobile communications electromagnetic wave attenuation based on shelters from respective category of street trees (NPL model) and network optimum scheme. Finally through practical tests and theoretical analysis, we conclude the NPL model and optimum scheme can not only decrease handover failure and solve the problem of motion video interruption caused by the absorption of street trees on electromagnetic wave, but also can satisfy current 3G and future 4G needs for mobile communications network and optimization.
机译:通过高密度街道树木引起的移动通信信号衰减的问题,我们首先将街道树木分成四个类别,基于树木的高度和年龄,基于各自的避难所提出3G / 4G移动通信电磁波衰减的模型街道树(NPL模型)类别与网络优化方案。最后通过实际测试和理论分析,我们得出结论NPL模型和优化方案不仅可以减少切换失败并解决动态视频中断的问题由电磁波吸收街道,还可以满足电流3G和未来4G需要移动通信网络和优化。

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