1.8 本章小结
首先，分析了移动通信面临的挑战，指出光无线通信技术可以适应未来高速通信的发展要求。然后，介绍了可见光通信系统的发展和系统原理，分析了光源LED的发光原理和产生非线性的原因，并且介绍了光电检测器的类型和特性参数。最后，详细分析了可见光通信系统的技术优势和面临的挑战。
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