Othman Isam Younus, Neha Chaudhary, Zabih Ghassemlooy, Luis Nero Alves, Stanislav Zvanovec, Dimitrios Pattas, Vasilis K. Papanikolaou
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A unilateral 3D indoor positioning system employing optical camera communications
This article investigates the use of a visible light positioning system in an indoor environment to provide a three dimensional (3D) high-accuracy solution. The proposed system leveraged the use of a single light-emitting diode and an image sensor at the transmitter and the receiver (Rx) respectively. The proposed system can retrieve the 3D coordinate of the Rx using a combination of the angle of arrival and received signal strength (RSS). To mitigate the error induced by the lens at the Rx, a novel method is proposed and experimentally tested. The authors show that, the proposed method outperforms previously reported RSS under all circumstances and it is immune to varying exposure times within the standard range of 250 µs to 4 ms. The authors experimentally demonstrate that the proposed algorithm can achieve a 3D root mean squared error of 7.56 cm.
期刊介绍:
IET Optoelectronics publishes state of the art research papers in the field of optoelectronics and photonics. The topics that are covered by the journal include optical and optoelectronic materials, nanophotonics, metamaterials and photonic crystals, light sources (e.g. LEDs, lasers and devices for lighting), optical modulation and multiplexing, optical fibres, cables and connectors, optical amplifiers, photodetectors and optical receivers, photonic integrated circuits, photonic systems, optical signal processing and holography and displays.
Most of the papers published describe original research from universities and industrial and government laboratories. However correspondence suggesting review papers and tutorials is welcomed, as are suggestions for special issues.
IET Optoelectronics covers but is not limited to the following topics:
Optical and optoelectronic materials
Light sources, including LEDs, lasers and devices for lighting
Optical modulation and multiplexing
Optical fibres, cables and connectors
Optical amplifiers
Photodetectors and optical receivers
Photonic integrated circuits
Nanophotonics and photonic crystals
Optical signal processing
Holography
Displays