Visible light communication with OLEDs for D2D communications considering user movement and receiver orientations

Chaleshtori, Zahra Nazari, Zvanovec, Stanislav, Ghassemlooy, Fary and Khalighi, Mohammad-Ali (2022) Visible light communication with OLEDs for D2D communications considering user movement and receiver orientations. Applied Optics, 61 (3). pp. 676-682. ISSN 1559-128X

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Official URL: https://doi.org/10.1364/AO.446927

Abstract

With the increasing use of organic light emitting diodes in lights, smart phones, wearable smartwatches, and computers, visible light-based device-to-device (D2D) communications has become more and more relevant. We propose D2D communications using smart phones’ display pixels and their built-in cameras. We investigate the impact of receiver orientation and user mobility on the link performance. We derive a Gaussian model for the probability density function of the delay spread and optical path loss (OPL), and show that the channel delay spread decreases for a typical furnished room compared with an empty room, whereas the former has an increased OPL. In addition, we show that for the case of a furnished room and considering user mobility, the peak OPL values are about 64 and 62 dB, with and without considering the receiver’s random orientation, respectively.

Item Type: Article
Additional Information: Funding Information: Research funded by H2020 Marie Skłodowska-Curie Actions (764461), European Cooperation in Science and Technology (CA19111), České Vysoké Učení Technické v Praze (SGS20/166/OHK3/3T/13).
Subjects: F300 Physics
G500 Information Systems
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: John Coen
Date Deposited: 31 Jan 2022 08:41
Last Modified: 31 Jan 2022 08:45
URI: http://nrl.northumbria.ac.uk/id/eprint/48295

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