基于BPSK的低压电力线载波通信系统研究Research on BPSK-based carrier communication system of low-voltage power line
刘科满,邓炜昱,李利品,高国旺
摘要(Abstract)：
电力线通信技术是利用电力线传输数据或信号的一种通信方式。针对低压电力线通信易于受到用电设备的启停、切换和负载变化产生噪声的问题,详细分析了低压电力线的噪声源的种类、噪声的频谱特征和噪声模型,构建了一种以240 k Hz正弦信号为载波低压电力线通信系统,设计了基于Kasier窗函数的带通滤波器,分析了BPSK解调算法,并对BPSK接收性能进行了分析。仿真和实测结果表明,在信噪比为-15 d B时,设计的BPSK调制解调器的误码率约为0.3%。
关键词(KeyWords)： 二进制相移键控;噪声源分析;载波通信;噪声模型;调制解调器;带通滤波器
基金项目(Foundation): 国家自然科学基金项目(41774081);; 陕西省科技攻关项目(2014K05-45);; 陕西省教育厅重点实验室项目(14JS074);; 西安石油大学博士创新基金(2014BS10)~~
作者(Author): 刘科满,邓炜昱,李利品,高国旺
DOI: 10.16652/j.issn.1004-373x.2018.07.005
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