基于扩频通信的低压电力线载波芯片的设计

Design of spread-spectrum Integuate Circuit for data communication over power line

为了适应智能电网的发展要求,本文提出了一种基于扩频通信理论的低压电力线载波扩频通信芯片的设计。通过对有关文献资料中相关设计的大量分析、比较,以及对最新理论建模工具SystemView的应用,本文应用Verilog-HDL语言对该电路进行了设计,并利用FPGA(Field Programmable Gata Array)进行了实验验证。实验结果表明,本设计电路可以准确地解调出电力线上的数据信号,并很好地满足相关的性能指标,从而完成电力线上信息的数字化通信的功能。

In order to adapt the development of intelligent electric power net,the design of spread-spectrum Integrate circuit for data communication over power line is presented.Based on the latest technology System View in theory modeling and the large numbers of analyze and comparison about the concerned design referred in many related documents,this design is accomplished and validated by using Verilog-HDL and FPGA independently.The experiment result demonstrates that by utilizing this circuit the digital signal can be resumed well from power line and can meet the related performance index.It also verifies that this design can satisfy the digital communication in power line.