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首页> 外文期刊>The mediterranean journal of electronics and communications >CHANNEL CHARACTERISTICS ANALYSIS AND EXPERIMENTAL DEMONSTRATION OF A DIFFUSE CELLULAR INDOOR VISIBLE LIGHT COMMUNICATION SYSTEM
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CHANNEL CHARACTERISTICS ANALYSIS AND EXPERIMENTAL DEMONSTRATION OF A DIFFUSE CELLULAR INDOOR VISIBLE LIGHT COMMUNICATION SYSTEM

机译：漫射室内可见光通信系统的通道特性分析与实验验证

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摘要

This paper presents a spatial optical power distribution of a non-directed cellular indoor visible light communication (VLC) system using a light emitting diode (LED) and a holographic light shape diffuser (LSD). To realize a cellular system with a maximum coverage area and a minimum power consumption, both hexagonal and rectangular geometries are studied and analysed with and without the LSD. The simulation results show that more uniform optical power distribution can be achieved using the hexagonal geometry with a 30° holographic LSD diffuser compared to the rectangular cellular shape with no LSD. In addition, a practical link for a single cell is designed, which operates at a date rate of 5 Mb/s using the on-off keying non-return-to-zero (OOK-NRZ) data format. The measured results for both the received optical power and the Q-factor distributions are shown and discussed.
机译：本文介绍了使用发光二极管（LED）和全息光形漫射器（LSD）的非定向蜂窝室内可见光通信（VLC）系统的空间光功率分布。为了实现具有最大覆盖面积和最小功耗的蜂窝系统，研究了有无LSD的六角形和矩形几何形状。仿真结果表明，与没有LSD的矩形蜂窝形状相比，使用具有30°全息LSD扩散器的六角形几何形状可以实现更均匀的光功率分布。此外，还设计了用于单个单元的实用链接，该链接使用开关键控不归零（OOK-NRZ）数据格式以5 Mb / s的数据速率运行。显示并讨论了接收光功率和Q因子分布的测量结果。

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