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在今年的移动世界大会(MWC 2014)上，我们发现有厂商在演示Li-Fi“光传输系统”。Pure LiFi的系统，是通过以天花板为基础的以太网连接、以及一盏标准的LED灯来实现的。灯泡会接收来自以太网的数据，然后以每秒百万次的闪烁进行通讯——其原理同快速变化的莫尔斯电码很像——最后被另一端的接收器所接收。
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