A 3-Gb/s Single-LED OFDM-Based Wireless VLC Link Using a Gallium Nitride μLED

D. Tsonev, H. Chun, Sujan Rajbhandari, J. J. D. McKendry, S. Videv, E. Gu, M. Haji, S. Watson, A. E. Kelly, G. Faulkner, M. D. Dawson, H. Haas, D. O'Brien

Research output: Contribution to journalLetter

391 Citations (Scopus)

Abstract

This letter presents a visible light communication (VLC) system based on a single 50- μm gallium nitride light emitting diode (LED). A device of this size exhibits a 3-dB modulation bandwidth of at least 60 MHz - significantly higher than commercially available white lighting LEDs. Orthogonal frequency division multiplexing is employed as a modulation scheme. This enables the limited modulation bandwidth of the device to be fully used. Pre- and postequalization techniques, as well as adaptive data loading, are successfully applied to achieve a demonstration of wireless communication at speeds exceeding 3 Gb/s. To date, this is the fastest wireless VLC system using a single LED.
LanguageEnglish
Pages637-640
JournalIEEE Photonics Technology Letters
Volume26
Issue number7
DOIs
Publication statusPublished - 2 Jan 2014

Fingerprint

Gallium nitride
gallium nitrides
Orthogonal frequency division multiplexing
Telecommunication links
Light emitting diodes
optical communication
light emitting diodes
Modulation
modulation
telecommunication
Communication systems
bandwidth
Bandwidth
frequency division multiplexing
wireless communication
illuminating
Demonstrations
Lighting
Communication
Visible light communication

Bibliographical note

“© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.”

Keywords

  • III-V semiconductors
  • OFDM modulation
  • equalisers
  • gallium compounds
  • light emitting diodes
  • optical communication equipment
  • optical links
  • wide band gap semiconductors
  • GaN
  • adaptive data loading
  • bit rate 3 Gbit/s
  • light emitting diode
  • microLED
  • modulation bandwidth
  • orthogonal frequency division multiplexing
  • postequalization technique
  • preequalization technique
  • single LED OFDM based wireless VLC Link
  • size 50 mum
  • visible light communication system
  • wireless communication
  • OFDM
  • Visible light communication
  • optical modulation
  • optical wireless communication
  • Bandwidth
  • Light emitting diodes
  • Loading
  • Modulation
  • Signal to noise ratio
  • Wireless communication

Cite this

A 3-Gb/s Single-LED OFDM-Based Wireless VLC Link Using a Gallium Nitride μLED. / Tsonev, D.; Chun, H.; Rajbhandari, Sujan; McKendry, J. J. D.; Videv, S.; Gu, E.; Haji, M.; Watson, S.; Kelly, A. E.; Faulkner, G.; Dawson, M. D.; Haas, H.; O'Brien, D.

In: IEEE Photonics Technology Letters, Vol. 26, No. 7, 02.01.2014, p. 637-640.

Research output: Contribution to journalLetter

Tsonev, D, Chun, H, Rajbhandari, S, McKendry, JJD, Videv, S, Gu, E, Haji, M, Watson, S, Kelly, AE, Faulkner, G, Dawson, MD, Haas, H & O'Brien, D 2014, 'A 3-Gb/s Single-LED OFDM-Based Wireless VLC Link Using a Gallium Nitride μLED', IEEE Photonics Technology Letters, vol. 26, no. 7, pp. 637-640. https://doi.org/10.1109/LPT.2013.2297621
Tsonev, D. ; Chun, H. ; Rajbhandari, Sujan ; McKendry, J. J. D. ; Videv, S. ; Gu, E. ; Haji, M. ; Watson, S. ; Kelly, A. E. ; Faulkner, G. ; Dawson, M. D. ; Haas, H. ; O'Brien, D. / A 3-Gb/s Single-LED OFDM-Based Wireless VLC Link Using a Gallium Nitride μLED. In: IEEE Photonics Technology Letters. 2014 ; Vol. 26, No. 7. pp. 637-640.
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