面向差异化变电场景的无线信道测量与建模研究  

Research on Wireless Channel Measurement and Modeling in Differentiated Power Transformation Scenarios

作　　者：张东磊 陆阳 王翌雪 祝文慧 杜飞 ZHANG Donglei;LU Yang;WANG Yixue;ZHU Wenhui;DU Fei(State Grid Smart Grid Research Institute Co.,Ltd.,Changping District,Beijing 102209,China;School of Electrical and Electronic Engineering,North China Electric Power University,Changping District,Beijing 102206,China)

机构地区：[1]国网智能电网研究院有限公司,北京市昌平区102209 [2]华北电力大学电气与电子工程学院,北京市昌平区102206

出　　处：《电力信息与通信技术》2024年第6期1-9,共9页Electric Power Information and Communication Technology

基　　金：国家电网有限公司总部管理科技项目资助“计及多物理场耦合影响的变电站传感器及传感网可靠性提升技术研究及应用”(5700-202232441A-2-0-ZN)。

摘　　要：无线通信网络对新型电力系统的建设和发展至关重要,信道测量和建模是构建无线通信系统的基础。首先,文章面向差异化变电应用场景在470 MHz和2.4 GHz频段开展信道测量工作;其次,基于信道实测数据,研究变电场景下路径损耗、阴影衰落和时延扩展建模方法;对比分析不同频段下、室内外场景的信道建模结果。最后,将建模结果与3GPP标准化信道参数作对比,结果表明,变电场景信道参数与3GPP标准化信道参数有很大不同。文章获得的信道参数填补了现有标准在电力场景的空白,为新型电力系统下无线通信网络的部署和优化提供基础信道模型。Wireless communication networks are crucial for the construction and development of modern power systems.Channel measurement and modeling serve as the foundation for building wireless communication systems.In this article,the focus is on channel measurements conducted in differentiated power transformation application scenarios at frequencies of 470 MHz and 2.4 GHz.Furthermore,based on the measured channel data,the article investigates modeling methods for path loss,shadow fading,and delay spread in power transformation scenarios.A comparative analysis is conducted to compare the channel modeling results in different frequency bands and indoor/outdoor scenarios.Additionally,the modeling results are compared with the 3GPP standardized channel parameters.The results indicate significant differences between the channel parameters in power transformation scenarios and the standardized parameters set by 3GPP.The obtained channel parameters in this article fill the gap in existing standards for power scenarios and provide a fundamental channel model for the deployment and optimization of wireless communication networks in new power systems.

关 键 词：变电场景 信道测量 路径损耗 阴影衰落 时延扩展 

分 类 号：TM732[电气工程—电力系统及自动化]