基于OFDM的低压电力线载波抄表系统  

Low-voltage PLC system for AMR based on OFDM

作　　者：张浩[1] 蔡万升[1] 郭经红[1] 

机构地区：[1]国网电力科学研究院,江苏南京210003

出　　处：《电力系统通信》2010年第4期9-13,共5页Telecommunications for Electric Power System

摘　　要：介绍了一种基于OFDM的低压电力线载波通信系统,该系统通过使用信道编码以及发送冗余子载波或OFDM波形来换取系统的可靠性。通过对该系统的仿真实验得出,该系统可以显著地提高通信系统的可靠性,使其可以克服低压电力线载波通信中恶劣的信道环境。该系统具有成本低、易实现等特点,是一种可以用于实现自动抄表的经济可靠的低压电力线载波通信系统。This paper presents a low-voltage PLC system based on OFDM.By using channel coding and sending redundant sub-carriers or symbols in OFDM system,the reliability of system has been improved.The simulation result shows that the system has stronger communication ability to overcome the terrible condition of low-voltage power line.With the advantages of low cost and easy application,the system is available for AMR application in low-voltage PLC system.

关 键 词：自动抄表 低压电力线载波 OFDM 

分 类 号：TN915.853[电子电信—通信与信息系统]