5G毫米波雨衰减链路传播模型及通信性能

doi:10.19665/j.issn1001-2400.2022.04.004

西安电子科技大学学报 ›› 2022, Vol. 49 ›› Issue (4): 24-30.doi: 10.19665/j.issn1001-2400.2022.04.004

5G毫米波雨衰减链路传播模型及通信性能

杨瑞科¹(),高霞¹(),武福平¹(),李仁先¹(),周晔²()

1.西安电子科技大学物理与光电工程学院,陕西西安 710071
2.中国航空工业集团公司雷华电子技术研究所,江苏无锡 214063

收稿日期:2021-07-29 出版日期:2022-08-20 发布日期:2022-08-15
作者简介:杨瑞科(1963—),男,教授,博士,E-mail: yrk18687@163.com|高霞(1995—),女,西安电子科技大学硕士研究生,E-mail: 1577908449@qq.com|武福平(1976—),男,讲师,博士,E-mail: wfp18687@163.com|李仁先(1980—),男,副教授,博士,E-mail: rxli@mail.xidian.edu.cn|周晔(1982—),女,高级工程师,硕士,E-mail: zhouye@chinaleihua.com
基金资助:
陕西省自然科学基础研究面上项目(2021JM-127);中国航空工业集团公司雷华电子技术研究所项目(2018610103002381)

Research on the propagation model and communication performance of the 5G millimeter wave at the rain attenuation link

YANG Ruike¹(),GAO Xia¹(),WU Fuping¹(),LI Renxian¹(),ZHOU Ye²()

1. School of Physics and Optoelectronic Engineering,Xidian University,Xi’an 710071,China
2. LEIHUA Electronic Technology Research Institute,Aviation Industry Corporation of China,Wuxi 214063,China

Received:2021-07-29 Online:2022-08-20 Published:2022-08-15

摘要/Abstract

摘要：

针对第5代移动通信系统的全天候应用需求,提出了降雨环境下毫米波传播链路衰减率(特征衰减)和雨衰减信道状态的概率分布模型。采用K-S拟合优度检验方法,对北京、海口地区1951~2019年的降水观测数据资料进行统计计算分析,指出我国典型地区的降雨率分布特性更好的服从韦布尔分布。基于韦布尔降雨率分布和降雨衰减率的计算方法,推导给出了毫米波通信链路上雨衰减的概率密度函数模型。考虑毫米波在降雨信道的传播特性,根据得到的雨衰减概率密度函数模型,研究得到了雨衰减信道状态的概率分布函数模型,能有效的预测降雨环境下毫米波通信链路的信道衰减状态。进一步在M-QAM调制下,分析了毫米波通信降雨链路的平均误码率、信道容量和中断概率等。这对于毫米波通信网络在降雨环境下的推广和应用及电信运营商对链路的设计具有重要的实际价值。

关键词: 第5代移动通信, 毫米波, 雨衰减链路, 传播, 模型, 通信

Abstract:

For all-weather application requirements for 5G communication systems,the probability distribution models of the attenuation rate (specific attenuation) on the MMW propagating link and rain attenuation channel state are proposed under rainfall environment.The observed rainfall data in Beijing and Haikou during 1951~2019 are statistically processed and analyzed by the K-S goodness of the fit test method,indicating that the rainfall rate distribution better obeys the Weibull distribution in typical areas of China.Based on the Weibull distribution of the rainfall rate and the calculation method for the rain attenuation rate,the probability density function model of rain attenuation on the MMW communication link is derived.Considering the propagation properties of millimeter waves in the rainfall channel,according to the rain attenuation probability density function,the probability distribution model of the rain attenuation channel state is obtained,which can effectively predict the channel attenuation state at the 5G link under rainfall environment.Furthermore,the average BER,channel capacity and outage probability of MMW communication at the rainfall link are analyzed under M-QAM modulation,which is of great practical value to the promotion and application of the MMW communication network in rainfall environment and the link design of telecommunication operators.

Key words: 5G, millimeter wave, rain attenuation link, propagation, model, communication

中图分类号:

TN.914

杨瑞科,高霞,武福平,李仁先,周晔. 5G毫米波雨衰减链路传播模型及通信性能[J]. 西安电子科技大学学报, 2022, 49(4): 24-30.

YANG Ruike,GAO Xia,WU Fuping,LI Renxian,ZHOU Ye. Research on the propagation model and communication performance of the 5G millimeter wave at the rain attenuation link[J]. Journal of Xidian University, 2022, 49(4): 24-30.

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参考文献 18

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5G毫米波雨衰减链路传播模型及通信性能

Research on the propagation model and communication performance of the 5G millimeter wave at the rain attenuation link

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