Visible-light Indoor Positioning Technology based on the Parameters Optimization of Lambertain Model

CHENG Shun-li; YAN Kun; LI Zhuo; LI Ang-yang

doi:10.13756/j.gtxyj.2018.05.014

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Visible-light Indoor Positioning Technology based on the Parameters Optimization of Lambertain Model

- Visible-light Indoor Positioning Technology based on the Parameters Optimization of Lambertain Model
- Study on Optical communication Issue 5, Pages: 69-73(2018)
- 作者机构：
  
  桂林电子科技大学信息与通信学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2018.05.014
  CLC： TN929.1
- Published：2018，
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[1]成顺利,闫坤,李卓,李昂阳.朗伯模型参数优化的可见光室内定位技术[J].光通信研究,2018(05):69-73.

CHENG Shun-li, YAN Kun, LI Zhuo, et al. Visible-light Indoor Positioning Technology based on the Parameters Optimization of Lambertain Model. [J]. (5):69-73(2018)
[1]成顺利,闫坤,李卓,李昂阳.朗伯模型参数优化的可见光室内定位技术[J].光通信研究,2018(05):69-73. DOI： 10.13756/j.gtxyj.2018.05.014.

CHENG Shun-li, YAN Kun, LI Zhuo, et al. Visible-light Indoor Positioning Technology based on the Parameters Optimization of Lambertain Model. [J]. (5):69-73(2018) DOI： 10.13756/j.gtxyj.2018.05.014.

摘要

白光发光二极管（LED）的发光模型是室内可见光定位系统设计的重要基础

发光模型参数不准确会严重影响可见光定位的精度。针对这一问题

文章提出了一种朗伯模型参数优化方法

该方法利用基于接收信号强度的可见光室内技术中朗伯模型参数对定位误差的影响

通过调整朗伯指数寻找最小测距误差

当测距误差最小时

所对应的朗伯指数与LED的真实朗伯指数最为接近。仿真了室内5m×5m×3m的场景

结果表明

朗伯模型参数优化方法能显著提高可见光室内定位精度

也验证了朗伯模型参数优化方法的可行性及有效性。

Abstract

The luminous model of the white Light Emitting Diode（LED）is an important basis for the design of the indoor visible light positioning system.The inaccurate parameters of the luminous model seriously affect the accuracy of the visible light positioning.In order to solve this problem

a method for estimating the order of the Lambertian emission is presented.In this paper

Received Signal Strength（RSS）-based visible light indoor positioning system

which calculates the distance-measuring error between visible light receiver and the visible light transmitter（LED）by adjusting the Lambertain emission order is developed.When the distance-measuring error is minimum

the corresponding Lambertain emission order is considered closest to the reality Lambertain emission order of the LED.Through the simulation indoor scene 5 m×5 m×3 m

the Lambertian parameter optimization method can significantly improve the indoor positioning accuracy of visible light position system.The experimental results verify the feasibility and effectiveness of the Lambertian model parameter optimization method.

关键词

发光二极管可见光通信朗伯辐射模型室内定位接收信号强度

Keywords

LEDvisible light communicationLambertain radiation patternindoor positioningRSS

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