基于标记LED的单灯室内定位系统设计

王童瑶; 肖纯贤; 林作俊; 程涵

doi:10.13756/j.gtxyj.2022.05.007

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基于标记LED的单灯室内定位系统设计

光通信系统与网络技术 | 更新时间：2023-01-29

- 基于标记LED的单灯室内定位系统设计
- The Design of Single LED Indoor Positioning System based on Marked LED
- 光通信研究 2022年第5期页码：38-42
- 作者机构：
  
  1.南开大学　电子信息与光学工程学院，天津　300100
  2.天津市光电传感器与传感网络技术重点实验室，天津　300350
- 作者简介：
  
  王童瑶（1997-），女，河南漯河人。硕士，主要研究方向为可见光通信与定位。
  肖纯贤，副教授。E-mail：shaw@nankai.edu.cn
- 基金信息：
- DOI：10.13756/j.gtxyj.2022.05.007
  中图分类号： TN929.1
- 纸质出版日期：2022-10-10，
  
  收稿日期：2022-01-24，
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王童瑶, 肖纯贤, 林作俊, 等. 基于标记LED的单灯室内定位系统设计[J]. 光通信研究, 2022,(5):38-42.

WANG Tong-yao, XIAO Chun-xian, LIN Zuo-jun, et al. The Design of Single LED Indoor Positioning System based on Marked LED[J]. Study on Optical Communications, 2022,(5):38-42.
王童瑶, 肖纯贤, 林作俊, 等. 基于标记LED的单灯室内定位系统设计[J]. 光通信研究, 2022,(5):38-42. DOI： 10.13756/j.gtxyj.2022.05.007.

WANG Tong-yao, XIAO Chun-xian, LIN Zuo-jun, et al. The Design of Single LED Indoor Positioning System based on Marked LED[J]. Study on Optical Communications, 2022,(5):38-42. DOI： 10.13756/j.gtxyj.2022.05.007.

摘要

可见光室内定位系统是当前室内定位技术研究的热点。针对单灯定位系统中航向角获取不准确的问题，文章提出了一种基于标记发光二极管（LED）的单灯室内定位系统。该系统利用内部装有不闪烁灯珠的单个LED灯作为发送端，在实现照明功能的同时进行信息的传输；智能手机作为接收端，捕获具有明暗条纹的图像，结合投影的几何特征并经过算法处理后得到航向角，然后进一步计算得到接收端的位置。研究结果表明，在实际应用场景中，实验高度为1.75和1.45 m时，该系统能够实现6.9和6.5 cm的平均定位误差，验证了该方案的可行性和有效性。

Abstract

The visible light positioning system is the hot spot of current indoor positioning technology research. Aiming at the problem of inaccurate azimuth angle acquisition in single-lamp positioning system

this paper proposes a single Light Emitting Diode (LED) indoor positioning system based on marked LED. The scheme uses a single LED light with a non-flickering lamp bead as the transmitter to transmit information while realizing the lighting function. The smartphone acts as the receiver to capture images with bright and dark stripes

and obtain the azimuth angle by combining the geometric features of the projection and processing the algorithm. Then the position of the receiver is obtained by further calculation. The results show that in the actual application scenario

when the experimental heights are 1.75 and 1.45 m. The system can achieve average positioning errors of 6.9 and 6.5 cm

which verifies the feasibility and effectiveness of the scheme.

关键词

单灯室内定位系统发光二极管几何特征航向角

Keywords

single LED indoor positioning systemLEDgeometric featuresazimuth angle

references

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Huang H, Lin B, Feng L, et al. Hybrid Indoor Location Scheme with Image Sensor-based Visible Light Positioning and Pedestrian Dead Reckoning[J]. Applied Optics, 2019, 58(12): 3214-3221.

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