Bi-directional VLC LED-assisted navigation system for large indoor environments

M. Vieira; M. A. Vieira; P. Louro; A. Fantoni; P. Vieira

doi:10.1117/12.2526504

3 October 2019 Bi-directional VLC LED-assisted navigation system for large indoor environments

M. Vieira, M. A. Vieira, P. Louro, A. Fantoni, P. Vieira

Proceedings Volume 11207, Fourth International Conference on Applications of Optics and Photonics; 112070D (2019) https://doi.org/10.1117/12.2526504
Event: IV International Conference on Applications of Optics and Photonics (AOP 2019), 2019, Lisbon, Portugal

Abstract

In this paper, a LED-assisted positioning and navigation VLC system is proposed. A VLC scenario for large environments is stablished, the emitters and receivers are characterized and the communication protocol presented. Different layouts are analyzed. Square and hexagonal meshes are tested and a 2D localization design, demonstrated by a prototype implementation, is presented. The key differences between both topologies are discussed. For both, the transmitted information, indoor position, motion direction as well as bi-directional communication are determined. The results showed that the LED-aided VLC navigation system make possible to determine the position of a mobile target inside the network, to infer the travel direction along the time and to interact with information received.

Citation Download Citation

M. Vieira, M. A. Vieira, P. Louro, A. Fantoni, and P. Vieira "Bi-directional VLC LED-assisted navigation system for large indoor environments", Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112070D (3 October 2019); https://doi.org/10.1117/12.2526504

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KEYWORDS

Receivers

Multiplexers

Navigation systems

Transmitters

Light emitting diodes

Signal processing

Binary data

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