A Scanning-Based Indoor Optical Wireless Positioning System with Single VCSEL

TL;DR

This paper introduces a simplified indoor optical wireless positioning system using a single VCSEL, achieving high-precision 3D localization with minimal hardware and outperforming traditional multi-transmitter schemes.

Contribution

The novel system uses a single VCSEL with sweeping and signal analysis to provide accurate 3D indoor positioning, reducing hardware complexity and cost.

Findings

Achieves sub-centimetre positioning accuracy

Outperforms conventional multi-transmitter schemes

Demonstrates cost-efficiency and simplicity

Abstract

This paper presents a novel indoor visible light positioning (VLP) system utilising one vertical-cavity surface-emitting laser installed at the ceiling centre of a space. The system offers three-dimensional localisation by sweeping through space at one-degree resolution in two dimensions (azimuth and elevation), significantly simplifying hardware. Through incorporating the angle of arrival and received signal strength, this system demonstrates excellent precision in indoor positioning. Simulation results verify that the system attains sub-centimetre precision for most test points, outperforming conventional multi-transmitter VLP schemes in cost-efficiency and simplicity.