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1. 中国移动通信集团有限公司,北京 100053
2. 中国移动通信有限公司研究院,北京 100053
[ "王晓云(1968- ),女,中国移动通信集团有限公司教授级高级工程师、技术部总经理,主要研究方向为移动通信网络演进技术、4G/5G/6G 超大规模网络的系统架构和组网技术" ]
[ "邓伟(1978- ),男,中国移动通信有限公司研究院高级工程师、无线与终端技术研究所所长,主要研究方向为 4G/NB-IoT/5G 无线技术、空天地一体化网络、工业互联网等" ]
[ "张龙(1985- ),男,中国移动通信有限公司研究院无线与终端技术研究所技术经理、高级工程师,主要研究方向为4G、NB-IoT、5G无线技术和5G垂直行业网络解决方案" ]
[ "苏鑫(1989- ),女,博士,中国移动通信有限公司研究院研究员,主要研究方向为无线传输基础理论、分布式MIMO等" ]
[ "赵世卓(1993- ),男,中国移动通信有限公司研究院工程师,主要研究方向为5G专网技术等" ]
网络出版日期:2022-11,
纸质出版日期:2022-11-20
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王晓云, 邓伟, 张龙, 等. 基于特征建模的TDD系统大气波导干扰控制体系研究[J]. 电信科学, 2022,38(11):11-23.
Xiaoyun WANG, Wei DENG, Long ZHANG, et al. Research on characteristic model-based atmospheric duct interference control in TDD wireless communication system[J]. Telecommunications science, 2022, 38(11): 11-23.
王晓云, 邓伟, 张龙, 等. 基于特征建模的TDD系统大气波导干扰控制体系研究[J]. 电信科学, 2022,38(11):11-23. DOI: 10.11959/j.issn.1000-0801.2022286.
Xiaoyun WANG, Wei DENG, Long ZHANG, et al. Research on characteristic model-based atmospheric duct interference control in TDD wireless communication system[J]. Telecommunications science, 2022, 38(11): 11-23. DOI: 10.11959/j.issn.1000-0801.2022286.
大气波导干扰是特定气象条件下发生的时分双工(time-division duplex,TDD)系统内干扰,是TDD移动通信系统大规模组网面临的顽疾。在总结分析大气波导干扰成因和分类等的基础上,对大气波导干扰进行建模和表征,验证了海量干扰源在时域和频域的功率集总特征,并结合大量4G/5G现网实测数据给出了典型条件下内陆波导和海面波导的量化干扰信号传播模型,对于干扰的预测和预防具有重要意义。基于干扰特征,给出了TDD系统预防大气波导干扰的帧结构与组网的4项设计原则,5G现网数据表明干扰控制方案有效,上行干扰下降10 dB以上,相关原则对于6G系统的设计也具有指导意义。
Atmospheric duct interference is a seriousinternal interference of large-scale TDD wireless communication system according to specific meteorological conditions.The causes and classification of the atmospheric duct interference were analyzed firstly.Then a typical quantitative interference signal propagation model of inland and sea atmospheric duct were proposed and the power characteristics of massive interference sources in time domain and frequency domain were verified.The feature of the proposed model is based on a large number of data in real 4G/5G network environment
which is of great significance for the prediction and cancellation of atmospheric duct interference.Finally
four design principles were proposed for the frame structure and networking in TDD system to control atmospheric duct interference based on the characteristics of the proposed model.The verification in 5G network shows that the uplink interference drops more than 10 dB by the proposed interference control principles.It will also be instructive for the design of 6G system.
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曲嘉杰 , 李新 , 邓伟 , 等 . TD-LTE远距离同频干扰问题研究 [J ] . 电信科学 , 2010 , 26 ( 10 ): 152 - 158 .
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柯颋 , 吴丹 , 张静文 , 等 . 5G 移动通信系统远端基站干扰解决方案研究 [J ] . 信息通信技术 , 2019 , 13 ( 4 ): 44 - 50 .
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赵飞龙 . 5G大气波导干扰形成条件及其规避方法研究 [J ] . 电波科学学报 , 2021 , 36 ( 1 ): 109 - 115 , 126 .
ZHAO F L . Forming interference of atmospheric duct in 5G and avoid method [J ] . Chinese Journal of Radio Science , 2021 , 36 ( 1 ): 109 - 115 , 126 .
刘宁 . TD-LTE 网络大气波导干扰的成因分析及防治措施 [J ] . 山东通信技术 , 2015 , 35 ( 2 ): 1 - 7 .
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张涛 , 贾永超 , 唐行斌 . 大气波导干扰解决方法研究 [J ] . 山东通信技术 , 2016 , 36 ( 4 ): 5 - 9 , 20 .
ZHANG T , JIA Y C , TANG X B . Research on the solution of atmospheric duct interference [J ] . Shandong Communication Technology , 2016 , 36 ( 4 ): 5 - 9 , 20 .
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WANG Y M , SUN S H . TD-LTE technical principle and system design [M ] . Beijing : Posts and Telecom Press , 2010 .
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