Journal
IEEE PHOTONICS JOURNAL
Volume 11, Issue 5, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2019.2937638
Keywords
Chromaticity; GPS-shaded areas; vehicle positioning system
Funding
- Youngsan University Research Fund of 2018
- Basic Science Research Program through the National Research Foundation (NRF) of Korea - Ministry of Science, ICT & Future Planning [2016R1C1B1012828]
- National Research Foundation of Korea [2016R1C1B1012828] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Given their wide applicability, vehicle positioning systems are being actively studied currently. As the conventional global positioning system (GPS) cannot determine the vehicle position inside tunnels and other GPS-shaded areas, we propose to improve vehicle positioning using a fuzzy logic system that can retrieve the position of a moving vehicle in such areas. The proposed system analyzes the chromaticity and frequency components of active LED illumination, which is being commonly installed at locations like inside tunnels. We verify the system performance in a test environment that resembles a tunnel. As the proposed method uses the chromaticity and frequency of LED lights for vehicle positioning, it is suitable for areas where GPS reception is poor or unavailable.
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