基于副载波复用的多输入单输出正交频分复用LED可见光通信系统

被引:12
作者
李荣玲
汤婵娟
王源泉
王一光
邵宇丰
迟楠
机构
[1] 复旦大学通信科学与工程系
基金
中国博士后科学基金;
关键词
光通信; 可见光通信; 正交频分复用; 副载波复用; 多输入单输出; 白光LED;
D O I
暂无
中图分类号
TN929.1 [光波通信、激光通信]; TN312.8 [];
学科分类号
0803 ;
摘要
提出了一种基于副载波复用的新型的多输入单输出(MISO)正交频分复用可见光通信(OFDM-VLC)系统构架,并且实验验证了2×1和3×1的MISO OFDM-VLC系统传输。分别测量了2×1和3×1的实验系统的误差矢量幅度(EVM)随输入电压变化的曲线图,找出了两个系统各自的最佳偏置范围。在将输入电压设置在最佳偏置范围之内的情况下,改变传输距离,对2×1系统,给出了系统EVM性能变化的曲线图;对3×1系统,给出了系统EVM和误码率(BER)性能变化的曲线图。在没有任何均衡的情况下,两个系统的传输距离都可以长达140cm。
引用
收藏
页码:49 / 53
页数:5
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