Exploiting equalization techniques for improving data rates in organic optoelectronic devices for visible light communications

Paul Anthony Haigh; Zabih Ghassemlooy; Hoa Le Minh; Sujan Rajbhandari; Francesco Arca; Sandro Francesco Tedde; Oliver Hayden; Ioannis Papakonstantinou

doi:10.1109/JLT.2012.2210028

Exploiting equalization techniques for improving data rates in organic optoelectronic devices for visible light communications

Paul Anthony Haigh^*, Zabih Ghassemlooy, Hoa Le Minh, Sujan Rajbhandari, Francesco Arca, Sandro Francesco Tedde, Oliver Hayden, Ioannis Papakonstantinou

^*Corresponding author for this work

Department of Electrical & Electronic Engineering

Research output: Contribution to journal › Article (Academic Journal) › peer-review

71 Citations (Scopus)

Abstract

This paper presents the use of equalization techniques in visible light communication (VLC) systems in order to increase the data rate. Here we investigate two VLC links a silicon (Si) light emitting diode (LED) and an organic photodetector (OPD), and an organic LED (OLED) plus an Si photodetector (PD), together with three equalization schemes of an RC high pass equalizer, a fractionally spaced zero-forcing equalizer (ZF) and an artificial neural network (ANN). In addition we utilize a pre-distortion scheme to enhance the performance of the digital equalizers. For both systems the bit rate achieved are 750 kb/s from a raw bandwidth (BW) of 30 kHz and 550 kb/s from a raw BW of 93 kHz.

Original language	English
Article number	6249708
Pages (from-to)	3081-3088
Number of pages	8
Journal	Journal of Lightwave Technology
Volume	30
Issue number	19
DOIs	https://doi.org/10.1109/JLT.2012.2210028
Publication status	Published - 5 Oct 2012

Keywords

Equalizers
organic light-emitting diodes (OLEDs)
organic photodetector (OPD)
visible light communications (VLC)

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title = "Exploiting equalization techniques for improving data rates in organic optoelectronic devices for visible light communications",

abstract = "This paper presents the use of equalization techniques in visible light communication (VLC) systems in order to increase the data rate. Here we investigate two VLC links a silicon (Si) light emitting diode (LED) and an organic photodetector (OPD), and an organic LED (OLED) plus an Si photodetector (PD), together with three equalization schemes of an RC high pass equalizer, a fractionally spaced zero-forcing equalizer (ZF) and an artificial neural network (ANN). In addition we utilize a pre-distortion scheme to enhance the performance of the digital equalizers. For both systems the bit rate achieved are 750 kb/s from a raw bandwidth (BW) of 30 kHz and 550 kb/s from a raw BW of 93 kHz.",

keywords = "Equalizers, organic light-emitting diodes (OLEDs), organic photodetector (OPD), visible light communications (VLC)",

author = "Haigh, {Paul Anthony} and Zabih Ghassemlooy and {Le Minh}, Hoa and Sujan Rajbhandari and Francesco Arca and Tedde, {Sandro Francesco} and Oliver Hayden and Ioannis Papakonstantinou",

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AU - Le Minh, Hoa

AU - Rajbhandari, Sujan

AU - Arca, Francesco

AU - Tedde, Sandro Francesco

AU - Hayden, Oliver

AU - Papakonstantinou, Ioannis

PY - 2012/10/5

Y1 - 2012/10/5

N2 - This paper presents the use of equalization techniques in visible light communication (VLC) systems in order to increase the data rate. Here we investigate two VLC links a silicon (Si) light emitting diode (LED) and an organic photodetector (OPD), and an organic LED (OLED) plus an Si photodetector (PD), together with three equalization schemes of an RC high pass equalizer, a fractionally spaced zero-forcing equalizer (ZF) and an artificial neural network (ANN). In addition we utilize a pre-distortion scheme to enhance the performance of the digital equalizers. For both systems the bit rate achieved are 750 kb/s from a raw bandwidth (BW) of 30 kHz and 550 kb/s from a raw BW of 93 kHz.

AB - This paper presents the use of equalization techniques in visible light communication (VLC) systems in order to increase the data rate. Here we investigate two VLC links a silicon (Si) light emitting diode (LED) and an organic photodetector (OPD), and an organic LED (OLED) plus an Si photodetector (PD), together with three equalization schemes of an RC high pass equalizer, a fractionally spaced zero-forcing equalizer (ZF) and an artificial neural network (ANN). In addition we utilize a pre-distortion scheme to enhance the performance of the digital equalizers. For both systems the bit rate achieved are 750 kb/s from a raw bandwidth (BW) of 30 kHz and 550 kb/s from a raw BW of 93 kHz.

KW - Equalizers

KW - organic light-emitting diodes (OLEDs)

KW - organic photodetector (OPD)

KW - visible light communications (VLC)

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Exploiting equalization techniques for improving data rates in organic optoelectronic devices for visible light communications

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