Development of Positioning Technology Using LED

Article Chemistry, Analytical

Determination of Traffic Lane in Tunnel and Positioning of Autonomous Vehicles Using Chromaticity of LED Lights

Joo Woo et al.

Summary: Location recognition and positioning systems are essential for unmanned vehicles. However, there are challenges in estimating location in GPS-denied environments, such as cumulative errors, hardware complexity, and precision positioning. This study proposes a lane positioning technique using chromaticity analysis of LED lights in tunnels and a fuzzy algorithm for accurate estimation.

SENSORS (2022)

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Article Chemistry, Analytical

Numerical Analysis of 2-D Positioned, Indoor, Fuzzy-Logic, Autonomous Navigation System Based on Chromaticity and Frequency-Component Analysis of LED Light

Jae-Hoon Jeong et al.

Summary: This paper presents a fuzzy-logic system for determining the position of a moving robot in GPS-shaded indoor environments using the chromaticity and frequency-component ratio of LED lights. The system's performance was analyzed through MATLAB simulation, demonstrating its suitability for areas with poor GPS-signal reception.

SENSORS (2021)

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Proceedings Paper Telecommunications

UAV-Enabled 3D Indoor Positioning and Navigation Based on VLC

Guanchong Niu et al.

Summary: In this study, a UAV-enabled 3D IPIN system based on visible light communication is proposed, utilizing dynamic time warping algorithm and discrete Kalman filter to integrate visible light intensity sequence and inertial measurement unit data for navigation while reducing fingerprint measurement workload.

IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC 2021) (2021)

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Article Computer Science, Information Systems