| 校园无线信道衰减特性研究 |
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| 引用本文： | 王 宇,刘 瑜,邹雄飞,谭砚磊.校园无线信道衰减特性研究[J].教育技术导刊,2021,20(1):195-198. |
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| 作者姓名： | 王 宇 刘 瑜 邹雄飞 谭砚磊 |
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| 作者单位： | 中国民用航空飞行学院 航空工程学院，四川 广汉 618307 |
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| 基金项目： | 大学生创新训练项目（S201910624225） |
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| 摘 要： | 目前针对无线传播特性在机载方面的研究相对较少.为研究校园特定场景信道特性,对校园宽阔地带与树木茂盛地带两种场景进行实地测量并采集数据.不同场景的信道衰减不同,采用参数估计方法,使用最小二乘法对路径损耗因子以及原点处路径损耗进行估计,从而实现两种场景下无线信道建模.经过实验可得校园宽阔地带路径损耗因子为2.664,有树木...
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| 关 键 词： | 无人机 信道建模 最小二乘法 大尺度衰落 路径损耗 |
| 收稿时间： | 2020-10-23 |
Research on the Attenuation Characteristics of Campus Wireless Channel |
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| WANG Yu,LIU Yu,ZOU Xiong-fei,TAN Yan-lei.Research on the Attenuation Characteristics of Campus Wireless Channel[J].Introduction of Educational Technology,2021,20(1):195-198. |
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| Authors: | WANG Yu LIU Yu ZOU Xiong-fei TAN Yan-lei |
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| Institution: | School of Aeronautical Engineering， Civil Aviation Flight University of China， Guanhan 618307， China |
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| Abstract: | At present， there are a limited number of researches on airborne wireless propagation characteristics. In order to study the channel characteristics of campus specific scenes， two scenes of campus wide area and wooded area are measured and collected. The channel attenuation in different scenarios is different. The parameter estimation method is used to estimate the path loss factor and the path loss at the origin by using the least square method. The results show that the path loss factor of the campus wide area is 2.664， and the path loss of the tree sheltered avenue scene is 2.812. The experimental results show that the large-scale channel fading models in the two scenarios can well reflect the wireless propagation characteristics of airborne antennas. |
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| Keywords: | UAV channel modeling least squares method large-scale fading path loss |
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