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Study and analysis of ultra wideband through glass propagation channel characteristics

机译:超宽带透过玻璃传播通道特性的研究与分析

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This paper presents an experimental investigation of ultra-wideband (UWB) radio propagation through glass in the (3-8 GHz) frequency range using compact and cost-effective planar microstrip antennas. Channel parameters such as path loss magnitude, rms delay spread, received signal amplitude and multipath have been analyzed from the measured data. Results and analyses highlight the variation of the channel parameters when the glass is rotated at different angles ranging from 0 to 90 degrees mimicking the movement of a door or window present in an indoor environment. Measurement data is also used in predicting different LOS, partial NLOS and NLOS situations which are dependent on the rotation angle of the glass sheet and also the position of the Tx-Rx antennas. Results indicate higher multipath and rms delay spread for edge scattering in comparison to direct through glass propagation. Path loss magnitude varies by 2 to 4 dB for NLOS scenarios in comparison to LOS scenarios. RMS delay spread values increase by 3 to 5 nsec for NLOS scenarios and multipath components by 10 to 15. The study gives an overview on the indoor propagation characteristics of the channel in the presence of glass sheet which acts like an obstacle causing variation in the channel link.
机译:本文介绍了使用紧凑且经济高效的平面微带天线通过玻璃在(3-8 GHz)频率范围内通过玻璃传播超宽带(UWB)无线电的实验研究。已从测量数据中分析了通道参数,例如路径损耗幅度,均方根延迟扩展,接收信号幅度和多径。结果和分析突出显示了当玻璃以0到90度的不同角度旋转时,模拟室内环境中门或窗的运动时,通道参数的变化。测量数据还用于预测不同的LOS,部分NLOS和NLOS情况,这取决于玻璃板的旋转角度以及Tx-Rx天线的位置。结果表明,与直接通过玻璃传播相比,边缘散射的多径和均方根延迟扩展更高。与LOS场景相比,NLOS场景的路径损耗幅度变化2到4 dB。对于NLOS场景,RMS延迟扩展值增加3到5纳秒,而多径分量则增加10到15。该研究概述了存在玻璃板的情况下通道在室内的传播特性,玻璃板像障碍物一样导致通道变化关联。

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