2.7 Mb/s With a 93-kHz White Organic Light Emitting Diode and Real Time ANN Equalizer

Author

Haigh, Paul Anthony ; Ghassemlooy, Zabih ; Papakonstantinou, Ioannis ; Hoa Le Minh

Author_Institution

Opt. Commun. Res. Group, Northumbria Univ., Newcastle upon Tyne, UK

Volume

25

Issue

17

fYear

2013

fDate

Sept.1, 2013

Firstpage

1687

Lastpage

1690

Abstract

This letter presents new experimental results on a 2.7-Mb/s organic light emitting diode (OLED) based visible light communications (VLCs) system. We also demonstrate for the first time an online artificial neural network for any VLC system (including inorganics). The major mitigating factors for OLED-VLC systems are the baseline wander phenomenon causing threshold detection to fail and bandwidth limitation caused by low transport mobility, introducing inter-symbol interference into the link and thus the requirement for an equalizer. The online filtering is implemented using the TI TMS320C6713 DSP board and compared with offline results.

Keywords

equalisers; optical neural nets; organic light emitting diodes; OLED; TI TMS320C6713 DSP board; VLC system; bandwidth limitation; baseline wander phenomenon; bit rate 2.7 Mbit/s; frequency 93 kHz; inorganics; inter-symbol interference; low transport mobility; online artificial neural network; online filtering; real time ANN equalizer; threshold detection; visible light communications; white organic light emitting diode; Artificial neural networks; Bandwidth; Bit error rate; Digital signal processing; Equalizers; Modulation; Organic light emitting diodes; Artificial neural networks; equalizers; organic light emitting diodes; visible light communications;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2013.2273850

Filename

6564415