Experimental demonstrations of high-accuracy 3D/2D indoor visible light positioning using imaging multiple-input multiple-output receivers and artificial neural networks

IF 2.3 4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Juan. A. Apolo, Isaac. N. O. Osahon, Beatriz Ortega, Vicenç Almenar, Jianming Tang, Sujan Rajbhandari
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引用次数: 0

Abstract

This paper proposes and presents the first experimental demonstration of a high-precision indoor 2D and 3D visible light positioning (VLP) system using an imaging multiple-input multiple-output (MIMO) configuration with supervised artificial neural network. The proposed system utilises four distributed transmitters and receiver with four photodiodes and an imaging optics. The experiments are conducted in a typical indoor environment with transmitter separations of 300 mm and a link distance of 1400 mm. The experimental results show 2D and 3D positioning accuracies of 3.7 and 51 mm, respectively. A simulation model is also developed for the VLP system to validate the experimental results. Further optimisation of the VLP system in the simulation platform leads to improved 2D and 3D positioning accuracies of 2 and 14.7 mm, respectively. The proposed system can be seamlessly integrated with existing lighting infrastructures and is also compatible with the MIMO visible light communication system, indicating the potential for practical implementation in integrated communications and positioning applications.

Abstract Image

基于成像多输入多输出接收器和人工神经网络的高精度室内三维/二维可见光定位实验演示
本文首次提出了一种基于多输入多输出(MIMO)结构的有监督人工神经网络的高精度室内二维和三维可见光定位(VLP)系统的实验演示。提出的系统利用四个分布式发射器和接收器,四个光电二极管和一个成像光学器件。实验在典型的室内环境下进行,发射机间距为300 mm,链路距离为1400 mm。实验结果表明,二维定位精度为3.7 mm,三维定位精度为51 mm。为验证实验结果,建立了VLP系统的仿真模型。在仿真平台上对VLP系统进行进一步优化,可将2D和3D定位精度分别提高2和14.7 mm。提出的系统可以与现有的照明基础设施无缝集成,也与MIMO可见光通信系统兼容,表明在综合通信和定位应用中实际实施的潜力。
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来源期刊
Iet Optoelectronics
Iet Optoelectronics 工程技术-电信学
CiteScore
4.50
自引率
0.00%
发文量
26
审稿时长
6 months
期刊介绍: IET Optoelectronics publishes state of the art research papers in the field of optoelectronics and photonics. The topics that are covered by the journal include optical and optoelectronic materials, nanophotonics, metamaterials and photonic crystals, light sources (e.g. LEDs, lasers and devices for lighting), optical modulation and multiplexing, optical fibres, cables and connectors, optical amplifiers, photodetectors and optical receivers, photonic integrated circuits, photonic systems, optical signal processing and holography and displays. Most of the papers published describe original research from universities and industrial and government laboratories. However correspondence suggesting review papers and tutorials is welcomed, as are suggestions for special issues. IET Optoelectronics covers but is not limited to the following topics: Optical and optoelectronic materials Light sources, including LEDs, lasers and devices for lighting Optical modulation and multiplexing Optical fibres, cables and connectors Optical amplifiers Photodetectors and optical receivers Photonic integrated circuits Nanophotonics and photonic crystals Optical signal processing Holography Displays
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