Prediction of 5.2 GHz Indoor-to-outdoor Propagation through Concrete Walls in an Office Building
Prediction of 5.2 GHz Indoor-to-outdoor Propagation through Concrete Walls in an Office Building
复制标题
办公楼混凝土墙内 5.2 GHz 室内到室外传播的预测
DOI：
10.1109/iwem.2019.8887910
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
M. Omiya
中科院分区：
文献类型：
--
作者：
K. Saito;M. Omiya
本文讨论了一种利用计算机仿真对办公环境中5.2 GHz室内到室外传播特性进行预测的方法。我们以数字方式配置办公楼的单层进行计算，并在其中的走廊天花板上安装无线局域网接入点。给出了在无窗混凝土墙外平面上观测到的接收信号强度的分布。已证实，信号衰减随室内传播路径中混凝土墙的数量而增加。然后，我们根据内部墙的数量将观察平面划分为四个区域。结果表明，将每个区域的RSSI分布加在一起，可以通过假设它们是对数正态分布来预测总体分布。
This paper discusses a prediction method of 5.2 GHz indoor-to-outdoor propagation characteristics in an office environment by using computer simulations. We configure numerically a single floor of the office building for calculations and install a wireless LAN access point on the corridor ceiling in it. We present distributions of received signal strength (RSSI) observed on the plane outside the concrete wall without windows. It is confirmed that the signal attenuation increases depending upon the number of concrete walls in the indoor propagation path. Then we divide the observation plane into the four regions based on the number of walls inside. It is shown that adding up the RSSI distributions in each region together makes it possible to predict the overall distribution by assuming that they are lognormal.