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Utilization of an oled-based vlc system in office, corridor, and semi-open corridor environments

Title	Utilization of an oled-based vlc system in office, corridor, and semi-open corridor environments
Author	Chaleshtori, Z. N., Ghassemlooy, Z., Eldeeb, Hossıen Badr, Uysal, Murat, Zvanovec, S.
Publication Date:	2020-12-01
Publication Place	- MDPI
Subject	Flexible OLED, Visible light communications, Optical path loss, Delay spread
Type	Periodical
Language	English
Digital	Yes
Manuscript	No
Library:	Özyeğin University
Library Asset ID	1424-8220
Record ID	d8e869bb-ab27-4fb5-874d-0dc84adddaa0
Library Location	Electrical & Electronics Engineering
Date	2020-12-01
Notes	European Union (EU)
Sample Text	Organic light emitting diodes (OLEDs) have recently received growing interest for their merits as soft light and large panels at a low cost for the use in public places such as airports, shopping centers, offices, and train or bus stations. Moreover, the flexible substrate-based OLEDs provide an attractive feature of having curved or rolled lighting sources for the use in wearable devices and display panels. This technology can be implemented in visible light communications (VLC) for several applications such as visual display, data communications, and indoor localization. This article aims to investigate the use of flexible OLED-based VLC in indoor environments (i.e., office, corridor and semi-open corridor in shopping malls). We derive a two-term power series model to be match with the root-mean-square delay spread and optical path loss (OPL). We show that, for OLED positioned on outer-wall of shops, the channel gain is enhanced in contrast to them being positioned on the inner-wall. Moreover, the channel gain in empty environments is higher compare with the furnished rooms. We show that, the OPL for a 10 m link span are lower by 4.4 and 6.1 dB for the empty and semi-open corridors compared with the furnished rooms, when OLED is positioned on outer-wall of shops. Moreover, the channel gain in the corridor is higher compared with the semi-open corridor. We also show that, in furnished and semi-open corridors the OPL values are 55.6 and 57.2 dB at the center of corridor increasing to 87.6 and 90.7 dB at 20 m, respectively, when OLED is positioned on outer-wall of shops.
DOI	10.3390/s20236869
Cilt	20

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Özyeğin University

Utilization of an oled-based vlc system in office, corridor, and semi-open corridor environments

Author Chaleshtori, Z. N., Ghassemlooy, Z., Eldeeb, Hossıen Badr, Uysal, Murat, Zvanovec, S.

Publication Date 2020-12-01

Publication Place - MDPI

Subject Flexible OLED, Visible light communications, Optical path loss, Delay spread

Type Periodical

Language English

Digital Yes

Manuscript No

Library Özyeğin University

Library Asset ID 1424-8220

Record ID d8e869bb-ab27-4fb5-874d-0dc84adddaa0

Library Location Electrical & Electronics Engineering

Date 2020-12-01

Notes European Union (EU)

Sample Text Organic light emitting diodes (OLEDs) have recently received growing interest for their merits as soft light and large panels at a low cost for the use in public places such as airports, shopping centers, offices, and train or bus stations. Moreover, the flexible substrate-based OLEDs provide an attractive feature of having curved or rolled lighting sources for the use in wearable devices and display panels. This technology can be implemented in visible light communications (VLC) for several applications such as visual display, data communications, and indoor localization. This article aims to investigate the use of flexible OLED-based VLC in indoor environments (i.e., office, corridor and semi-open corridor in shopping malls). We derive a two-term power series model to be match with the root-mean-square delay spread and optical path loss (OPL). We show that, for OLED positioned on outer-wall of shops, the channel gain is enhanced in contrast to them being positioned on the inner-wall. Moreover, the channel gain in empty environments is higher compare with the furnished rooms. We show that, the OPL for a 10 m link span are lower by 4.4 and 6.1 dB for the empty and semi-open corridors compared with the furnished rooms, when OLED is positioned on outer-wall of shops. Moreover, the channel gain in the corridor is higher compared with the semi-open corridor. We also show that, in furnished and semi-open corridors the OPL values are 55.6 and 57.2 dB at the center of corridor increasing to 87.6 and 90.7 dB at 20 m, respectively, when OLED is positioned on outer-wall of shops.

DOI 10.3390/s20236869

Cilt 20