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1.4-Mb/s white organic led transmission system using discrete multitone modulation

Lookup NU author(s): Dr Paul Haigh

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Abstract

In this letter, we experimentally demonstrate the discrete multitone (DMT) modulation scheme for organic light emitting diode-based visible light communications (OLED-VLC). DMT is based upon quadrature modulation of orthogonally spaced frequencies, meaning the scheme is extremely spectrally efficient. With this technique, we set a new world record data rate of 1.4 Mb/s, which is far in excess of the previous record of 550 kb/s. We achieve this using a 32-level quadrature amplitude modulation (32-QAM) in conjunction with 1024 subcarriers. We show that it is possible to recover signals up to 1.4 Mb/s with an OLED of bandwidth less than 100 kHz, which is an increase of over 14 times. © 1989-2012 IEEE.


Publication metadata

Author(s): Haigh PA, Ghassemlooy Z, Papakonstantinou I

Publication type: Article

Publication status: Published

Journal: IEEE Photonics Technology Letters

Year: 2013

Volume: 25

Issue: 6

Pages: 615-618

Print publication date: 15/03/2013

Online publication date: 01/02/2013

ISSN (print): 1041-1135

ISSN (electronic): 1941-0174

Publisher: IEEE

URL: https://doi.org/10.1109/LPT.2013.2244879

DOI: 10.1109/LPT.2013.2244879


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