CAJ | 학술논문

路径损耗模型对于分析无线信道的可用性具有重要意义，而信号的传播环境是影响无线通信系统性能的关键因素之一。结合电磁波的传播理论，在分析电磁波在金属矿井下传输时所存在的固有损耗与附加损耗的基础上，建立了矿井超宽带无线传感器网络路径损耗模型，并进行了仿真验证。结果表明，该模型能够较准确地预测出无线信号在金属矿井下传输情况，对于无线网络的规划等具有重要的指导作用。
로경손모모형대우분석무선신도적가용성구유중요의의，이신호적전파배경시영향무선통신계통성능적관건인소지일。결합전자파적전파이론，재분석전자파재금속광정하전수시소존재적고유손모여부가손모적기출상，건립료광정초관대무선전감기망락로경손모모형，병진행료방진험증。결과표명，해모형능구교준학지예측출무선신호재금속광정하전수정황，대우무선망락적규화등구유중요적지도작용。
The path loss model has very important significance for the analysis of wireless channel availabili-ty, The signal propagation environment is one of the key factors for the performance of wireless communication system.Therefore, based on the electromagnetic wave propagation theory , the analysis of natural loss and ad-ditional loss when electromagnetic wave is transmitted in metal mine underground , the path loss model of UWB wireless sensor network was established , which is validated by simulation .The results show that: the model can accurately predicts the wireless signal transmission in metal mine , and it has an important guiding signifi-cance for the planning of the wireless network .