| 超宽带室内多径传播成簇特性 |
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| 引用本文： | 杨牛扣,周杰.超宽带室内多径传播成簇特性[J].南京信息工程大学学报,2013,5(1):64-68. |
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| 作者姓名： | 杨牛扣 周杰 |
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| 作者单位： | 1. 南京信息工程大学信息与控制学院,南京,210044
2. 南京信息工程大学电子信息与工程学院,南京,210044 |
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| 摘 要： | 分析了超宽带室内信号的传播规律,即多径分量成簇到达.在实测数据的基础上,研究了信道模型参数的一般规律:簇的到达率Λ应该远小于径的到达率λ,簇的衰减系数Γ应该大于径的衰减系数γ,并修正了IEEE802.15.3a信道模型CM2环境下的模型参数.仿真结果表明:修正参数后的CM2信道模型优于原模型,更能体现出多径分量成簇到达特性,与实测数据相比较,能更好地拟合实测数据.
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| 关 键 词： | 传播特性 信道测量 模型参数 信道模型 |
| 收稿时间： | 2011/5/3 0:00:00 |
Clustering characteristics in UWB indoor multipath propagation |
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| YANG Niukou and ZHOU Jie.Clustering characteristics in UWB indoor multipath propagation[J].Journal of Nanjing University of Information Science & Technology,2013,5(1):64-68. |
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| Authors: | YANG Niukou and ZHOU Jie |
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| Affiliation: | 1 School of Information & Contral,Nanjing University of Information Science & Technology,Nanjing 210044 2 School of Electronic & Information Engineering,Nanjing University of Information Science & Technology,Nanjing 210044 |
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| Abstract: | The propagation characteristics of Ultra-WideBand(UWB) indoor signals are analyzed,and multi-path components are found to arrive in clusters.The general rule of channel model parameters is studied on the basis of measurement data.Results show that the arrival rate of cluster is far less than that of the diameter,while the attenuation coefficient of cluster is greater than that of the diameter.The parameters of IEEE 802.15.3a channel model are modified in the CM2 environment.Simulation results show that the modified CM2 channel model is superior to the original model,which can better reflect the clustering characteristics of multi-path component arrival.The fitting result indicates a good agreement between measurement data and the modified model. |
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| Keywords: | propagation properties channel measurement model parameters channel model |
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