Modelling and analysis of transmitter performance in visible light communications

X. Deng, Kumar Arulandu, Y. Wu, S. Mardanikorani, G. Zhou (Corresponding author), J.P.M.G. Linnartz

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

This work addresses the power penalty in a Visible Light Communication (VLC) emitter that re-uses illumination Light Emitting Diodes (LEDs) for high-speed communications. We quantify the effect of modulation depth for two widely explored modulation schemes in VLC, namely Orthogonal Frequency Division Multiplexing (OFDM) and Pulse Amplitude Modulation (PAM). Extra power is dissipated in the LED and in the modulator due to such modulation. Two popular highspeed VLC transmitter topologies, namely a Bias Tee (Bias-T) and a Serial FET (Serial-F), are compared in terms of efficiency, Extra Energy Per Symbol/Bit (EEPS/B) and complexity. This work presents a theoretical model and compares it to simulation
results. We show that PAM outperforms OFDM in terms of better Bit Error Rate (BER), larger dynamic range for modulation depth, less extra power loss, thus higher power efficiency for communication over an Additive White Gaussian Noise (AWGN) channel.
LanguageEnglish
Article number8606269
Pages2316-2331
Number of pages16
JournalIEEE Transactions on Vehicular Technology
Volume68
Issue number3
DOIs
StatePublished - 1 Mar 2019

Fingerprint

Transmitter
Transmitters
Modulation
Pulse amplitude modulation
Amplitude Modulation
Modeling
Orthogonal frequency division multiplexing
Light emitting diodes
Orthogonal Frequency Division multiplexing (OFDM)
Diode
High Speed
Communication
Field effect transistors
Bit error rate
Modulators
Gaussian White Noise
Modulator
Dynamic Range
Lighting
High Power

Keywords

  • communication
  • driver
  • efficiency
  • Illumination
  • LED
  • OFDM
  • PAM
  • power consumption
  • transmitter
  • VLC

Cite this

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title = "Modelling and analysis of transmitter performance in visible light communications",
abstract = "This work addresses the power penalty in a Visible Light Communication (VLC) emitter that re-uses illumination Light Emitting Diodes (LEDs) for high-speed communications. We quantify the effect of modulation depth for two widely explored modulation schemes in VLC, namely Orthogonal Frequency Division Multiplexing (OFDM) and Pulse Amplitude Modulation (PAM). Extra power is dissipated in the LED and in the modulator due to such modulation. Two popular highspeed VLC transmitter topologies, namely a Bias Tee (Bias-T) and a Serial FET (Serial-F), are compared in terms of efficiency, Extra Energy Per Symbol/Bit (EEPS/B) and complexity. This work presents a theoretical model and compares it to simulationresults. We show that PAM outperforms OFDM in terms of better Bit Error Rate (BER), larger dynamic range for modulation depth, less extra power loss, thus higher power efficiency for communication over an Additive White Gaussian Noise (AWGN) channel.",
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Modelling and analysis of transmitter performance in visible light communications. / Deng, X.; Arulandu, Kumar ; Wu, Y.; Mardanikorani, S.; Zhou, G. (Corresponding author); Linnartz, J.P.M.G.

In: IEEE Transactions on Vehicular Technology, Vol. 68, No. 3, 8606269, 01.03.2019, p. 2316-2331.

Research output: Contribution to journalArticleAcademicpeer-review

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