SDM-WDM-based multiple objects visible light positioning by using conventional monitoring system

Can Shi; Min Zhang; Dahai Han; Xiaodong Wang; Bo Zhang; Minghui Wang

doi:10.1117/12.2548106

20 December 2019 SDM-WDM-based multiple objects visible light positioning by using conventional monitoring system

Can Shi, Min Zhang, Dahai Han, Xiaodong Wang, Bo Zhang, Minghui Wang

Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 1120927 (2019) https://doi.org/10.1117/12.2548106
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China

Abstract

We propose a Visible light positioning (VLP) system which can satisfy the requirements in the places where monitors are required to grasp the location of multiple people or vehicles, such as unmanned supermarkets, warehouses, factories, and other large buildings with safety issues. Which means when the security cameras capturing images, the coordinates of the objects can be obtained and displayed at the same time. This novel Multiple Input Multiple Output (MIMO) VLP system which can monitor multiple objects at the same time provides accurate and high-speed multiple objects indoor positioning based on the Space Division Multiple (SDM), Wavelength Division Multiplexing (WDM) and the under-sampled phase shift ON-OFF keying (UPSOOK). The experimental results show that the proposed system achieves accuracy of 10cm with the range of tilting angle degree is 0° to 45°. The result means the system does well in robustness and accuracy.

Citation Download Citation

Can Shi, Min Zhang, Dahai Han, Xiaodong Wang, Bo Zhang, and Minghui Wang "SDM-WDM-based multiple objects visible light positioning by using conventional monitoring system", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 1120927 (20 December 2019); https://doi.org/10.1117/12.2548106

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KEYWORDS

Cameras

Light emitting diodes

Imaging systems

Modulation

Wavelength division multiplexing

Image processing

Visible radiation

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