Research on LED Indoor Optical Communication System

LI Cheng-yong

doi:10.13756/j.gtxyj.2018.03.019

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Research on LED Indoor Optical Communication System

- Research on LED Indoor Optical Communication System
- Study on Optical communication Issue 3, Pages: 73-76(2018)
- 作者机构：
  
  重庆工程学院电子与物联网学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2018.03.019
  CLC： TN929.1
- Published：2018，
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[1]李成勇.LED室内光通信系统研究[J].光通信研究,2018(03):73-76.

LI Cheng-yong. Research on LED Indoor Optical Communication System. [J]. (3):73-76(2018)
[1]李成勇.LED室内光通信系统研究[J].光通信研究,2018(03):73-76. DOI： 10.13756/j.gtxyj.2018.03.019.

LI Cheng-yong. Research on LED Indoor Optical Communication System. [J]. (3):73-76(2018) DOI： 10.13756/j.gtxyj.2018.03.019.

摘要

针对目前的热点问题——可见光室内定位

通过比较几种常见的可见光定位方法

并结合已有条件

设计了一种基于超声波测距的可见光室内定位方法

其优点在于精度较高且成本低廉。该设计利用光信号完成同步

超声波模块辅助测距

再利用已设定的光定位多输入多输出算法测出传感器的位置坐标

有效解决了发信模块发光二极管之间的互相干扰和收信模块的延时同步等问题。经误差分析及多次调试表明

传感器能够正确区分其所处区域和坐标

并将误差控制在要求的范围内

效果良好。

Abstract

Based on the current hot issues on the visible light indoor positioning

we design a kind of visible light indoor localization method based on ultrasonic distance measurement after comparing several common visible light positioning method and combining with the existing conditions.Our proposed method has the advantages of high precision and low cost.This design uses the optical signal to achieve the synchronization with ultrasonic auxiliary ranging module.Then

light positioning algorithm based on multiple input multiple output is used to calculate the sensor location coordinates

which can effectively solve the issues of interferences in the transmitted light emitting diode and delay synchronization in received module.The error analysis and multiple debugging show that the sensor can correctly distinguish the region and coordinates of its location

and control the error in the request scope with good performance.

关键词

可见光室内定位定位算法

Keywords

visible lightindoor positioninglocalization algorithm

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