| C频段空地链路无线信道大尺度衰落模型 |
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| 引用本文： | 林 珠,刘 勃,归 琳. C频段空地链路无线信道大尺度衰落模型[J]. 国际商务研究, 2010, 50(12) |
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| 作者姓名： | 林 珠 刘 勃 归 琳 |
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| 作者单位： | 上海交通大学 电子信息与电气工程学院， 上海 200240;上海交通大学 电子信息与电气工程学院， 上海 200240;上海交通大学 电子信息与电气工程学院， 上海 200240 |
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| 基金项目： | 国家自然科学基金资助项目（60902018，60625103）；111计划（B07022）和上海市数字媒体处理与传输重点实验室资助项目；国家高技术研究发展计划（863计划）项目（2009AA011505）；上海科技启明星人才计划项目（10QA1403600） |
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| 摘 要： | 通过现有路径损耗预测经验公式和实测信道数据的分析比较，提出空地链路无线信道高低仰角区域不同的电波传播特性，并提出一种新的C频段空地链路大尺度衰落预测参考模型，将传统二径模型修正为加入定向天线因子和地球曲率因子的电波传播模型，并根据实测数据加入高频段大气层衰减因子。分析表明，提出的新模型更符合实测数据，对于实际通信系统设计具有参考意义。
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| 关 键 词： | 空地信道；路径损耗；直视路径；二径模型；定向天线 |
Large scale Fading Model of Air to Ground Channel at C band |
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| LIN Zhu,LIU Bo and GUI Lin. Large scale Fading Model of Air to Ground Channel at C band[J]. International Business Research, 2010, 50(12) |
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| Authors: | LIN Zhu LIU Bo GUI Lin |
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| Affiliation: | School of Electronic,Information and Electrical Engineering,Shanghai Jiaotong University,Shanghai 200240,China;School of Electronic,Information and Electrical Engineering,Shanghai Jiaotong University,Shanghai 200240,China;School of Electronic,Information and Electrical Engineering,Shanghai Jiaotong University,Shanghai 200240,China |
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| Abstract: | A new large scale fading model and different radio propagation characteristics in higher and lower elevation angle district of Air to Ground channel in C-band are presented through comparison of the measured data and path loss prediction of classical channel model. Based on the Two Ray model, high band aerosphere propagation attenuation factor is added in the new model as well as directional antenna gain and earth curvature, so that the new model prediction is more coincident with the measured data and suitable for future communication design reference. |
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| Keywords: | air to ground channel path loss line of sight (LOS) two Ray model directional antenna |
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