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Performance analysis of the VLC system with modified HDB3 line coding

机译:改进HDB3线编码的VLC系统性能分析

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We propose a modified high density bipolar 3-zeros (HDB3) line coding for a visible light communication (VLC) system. Modified HDB3 line coding is defined as follows. First, we apply half bit transition to HDB3. Second, we decode encoded bits using difference of bit transition level in one bit duration. As a result, we obtain advantages about synchronization problem and noise effect mitigation at the receiver. We set up indoor the VLC simulation environment by 3m*5m*5m size (height*long*wide). At simulation results, we show 2–3dB gain as compared with existing line coding schemes.
机译:我们提出了一种用于可见光通信(VLC)系统的改进的高密度双极3-零(HDB3)线编码。修改后的HDB3线路编码定义如下。首先,我们将半位转换应用于HDB3。其次,我们使用一个比特持续时间在比特转换级别的差异进行解码。结果,我们获得了关于接收器的同步问题和噪声效应缓解的优点。我们将VLC仿真环境设置为3米* 5米* 5米尺寸(高度*长*宽)。在仿真结果,与现有线路编码方案相比,我们显示2-3dB增益。

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