| LMDS系统雨衰特性研究 |
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| 引用本文： | 赵庆平,耿博,张朋.LMDS系统雨衰特性研究[J].淮北煤炭师范学院学报(自然科学版),2009,30(3):25-28. |
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| 作者姓名： | 赵庆平 耿博 张朋 |
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| 作者单位： | 1. 淮北煤炭师范学院物理与电子信息学院,安徽,淮北,235000
2. 淮北煤炭师范学院信息学院,安徽,淮北,235000 |
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| 摘 要： | 部署LMDS系统的目的在于突破对高速接入的限制,为最后1 km带来高容量及传输多种业务的能力,针对LMDS系统在传播路径中信号由于频率的升高而导致降雨衰落加大,分析雨衰的计算方法并对雨衰与距离和雨衰与降雨强度的关系进行了仿真,提出有效的抗雨衰方法,将其对系统链路信号质量的影响降到最低,对下一步LMDS系统规划和软件开发具有重要意义.
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| 关 键 词： | 雨衰 抗雨衰 |
The Characteristic Analysis of Rain Attenuation in LMDS System |
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| ZHAO Qing-ping,GENG Bo,ZHANG Peng.The Characteristic Analysis of Rain Attenuation in LMDS System[J].Journal of Huaibei Coal Industry Teachers College(Natural Science edition),2009,30(3):25-28. |
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| Authors: | ZHAO Qing-ping GENG Bo ZHANG Peng |
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| Institution: | ZHAO Qing-ping1,GENG Bo1,ZHANG Peng2 (1.School of Physics and Electronic Information,Huaibei Coal Industry Teachers College,235000,Huaibei,Anhui,China,2.School of Informatics,China) |
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| Abstract: | The purpose of the deployment of LMDS systems is to break through the restrictions on high-speed access,which bring high capacity and the capacity of transmising a variety of business activities for last mile.As to the dissemination of LMDS system in the signal path as a result of the increased frequency of decline caused by increased rainfall,this paper give analysis of the methods of calculation for rain attenuation and give the simulation of the relationship between rain attenuation and the distance and ... |
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| Keywords: | LMDS |
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