| TD-LTE室分建设中的干扰抑制方法 |
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| 引用本文： | 杨志华,韩晓亮,白巍,高超.TD-LTE室分建设中的干扰抑制方法[J].电信工程技术与标准化,2019,32(1). |
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| 作者姓名： | 杨志华 韩晓亮 白巍 高超 |
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| 作者单位： | 中国移动通信集团设计院有限公司河北分公司,石家庄,050021;中国移动通信集团设计院有限公司河北分公司,石家庄,050021;中国移动通信集团设计院有限公司河北分公司,石家庄,050021;中国移动通信集团设计院有限公司河北分公司,石家庄,050021 |
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| 摘 要： | TD-LTE室内分布系统建设中遇到的干扰问题可分为系统间干扰和系统内干扰两部分。系统间干扰主要包括杂散干扰、互调干扰、阻塞干扰三种,在室分系统中三种干扰会同时影响网络性能；系统内干扰主要是采用OFDM技术带来的多邻区同频干扰。文章主要对TD-LTE室内分布系统建设中遇到的干扰问题进行分析并提出了初步的解决方案。
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| 关 键 词： | TD-LTE分布系统 系统间干扰 OFDM 同频干扰 |
| 收稿时间： | 2018/8/2 0:00:00 |
| 修稿时间： | 2018/11/27 0:00:00 |
Interference suppression method in TD-LTE Indoor Distribution |
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| YANG Zhi-hu,HAN Xiao-liang,BAI Wei and GAO Chao.Interference suppression method in TD-LTE Indoor Distribution[J].Telecom Engineering Technics and Standardization,2019,32(1). |
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| Authors: | YANG Zhi-hu HAN Xiao-liang BAI Wei and GAO Chao |
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| Affiliation: | China Mobile Group Design Institute Co.,Ltd Hebei Branch,Shijiazhuang,Hebei,050021;China,China Mobile Group Design Institute Co.,Ltd Hebei Branch,Shijiazhuang,Hebei,050021;China,China Mobile Group Design Institute Co.,Ltd Hebei Branch,Shijiazhuang,Hebei,050021;China,China Mobile Group Design Institute Co.,Ltd Hebei Branch,Shijiazhuang,Hebei,050021;China |
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| Abstract: | The interference problems encountered in the construction of TD-LTE indoor distribution system can be divided into two parts: inter-system interference and intra-system interference. The inter-system interference mainly includes three kinds of interferences: spurious interference, intermodulation interference and blocking interference. In the indoor sub-system, three kinds of interference will affect the network performance at the same time. The intra-system interference mainly uses the multi-neighbor region co-channel interference brought by OFDM technology. The article mainly analyzes the interference problems encountered in the construction of TD-LTE indoor distribution system and proposes a preliminary solution. |
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| Keywords: | TD-LTE distribution system inter-system interference OFDM co-frequency interference |
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