基于Q3D的宽带电力线通信信道建模  

Broadband power line communication channel modeling based on Q3D

作　　者：曹旺斌[1] 梁晓林 CAO Wangbin;LIANG Xiaolin(School of Electrical & Electronic Engineering,North China Electric Power University,Baoding 071003,China;College of Electronic Information Engineering,Hebei University,Baoding 071002,China)

机构地区：[1]华北电力大学电气与电子工程学院,河北保定071003 [2]河北大学电子信息工程学院,河北保定071002

出　　处：《电信科学》2019年第1期30-36,共7页Telecommunications Science

基　　金：中央高校基本科研业务费专项资金资助项目(No.2018MS096);河北省科技计划项目(No.17211704D);国家自然科学基金资助项目(No.61172075)~~

摘　　要：提出了一种基于Q3D的宽带电力线信道建模方法。首先利用Q3D软件提取电力线信道的单位长度参数RLGC,然后根据提取的RLGC参数计算电力线信道的ABCD传输矩阵,最后根据ABCD矩阵求出电力线通信信道传输函数和输入阻抗的幅频响应和相频响应。利用所提方法,建立基于3 mm×4 mm三芯对称电缆的宽带电力线通信信道模型,并在30 kHz～100 MHz频带范围内与实测数据进行对比。结果表明,仿真结果能够很好地符合测量结果,本文所提方法能够快速、准确地建立电力线宽带信道模型,对于电力线通信信道特性的研究以及工程实践具有重要意义。A method of broadband power line communication (PLC)channel modeling based on Q3D extractor was proposed.The per unit length RLGC parameters of PLC channel was extracted by the Q3D extractor.Then,the ABCD transfer matrix of power line channel was calculated based on the extracted RLGC parameters.Finally,the amplitude and phase frequency responses of the channel transfer function and input impedance were obtained by us- ing ABCD matrix.Based on the proposed method,a broadband PLC channel model for 3 mm×4 mm symmetrical ca- ble was set up.The calculated results show that the simulated results fit the measured results well.The proposed method can quickly and accurately establish the broadband PLC channel model,which is of great significance for studying the characteristics of PLC channel.

关 键 词：电力线通信 宽带 信道模型 Q3D 三芯对称电缆 

分 类 号：TN911[电子电信—通信与信息系统]