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Communication Aspects of Visible Light Positioning (VLP) Systems Using a Quadrature Angular Diversity Aperture (QADA)

Mohammed M A Mohammed1, Cuiwei He1, Stefanie Cincotta1

  • 1Department of Electrical and Computer Systems Engineering, Monash University, Victoria 3800, Australia.

Sensors (Basel, Switzerland)
|April 5, 2020
PubMed
Summary

This study validates communication in visible light positioning (VLP) systems using the quadrature angular diversity aperture (QADA) receiver. Simulations and experiments confirm reliable data transmission, showing QADA is suitable for VLP applications.

Keywords:
ACO-OFDMapertureoptical communicationphotoreceivervisible light positioning (VLP)

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Area of Science:

  • Optical Communications
  • Indoor Localization Technologies
  • Wireless Sensor Networks

Background:

  • Visible Light Positioning (VLP) utilizes LED luminaires for indoor localization.
  • Data communication from luminaires to receivers is crucial for VLP functionality.
  • Previous research on Quadrature Angular Diversity Aperture (QADA) receivers overlooked communication aspects.

Purpose of the Study:

  • To investigate the communication characteristics of VLP systems employing QADA receivers.
  • To evaluate the signal-to-noise ratio (SNR) and bit-error-rate (BER) of QADA-based VLP.
  • To determine if communication reliability impacts QADA's viability in VLP.

Main Methods:

  • Simulations and experimental validation of a VLP system with a QADA receiver.
  • Calculation of SNR and BER across various operational scenarios.
  • Analysis of the influence of receiver dimensions on communication performance.

Main Results:

  • Reliable communication was demonstrated in typical VLP operating conditions.
  • SNR and BER were quantified for different system configurations.
  • The impact of receiver dimensions on communication quality was elucidated.

Conclusions:

  • Communication is not a limiting factor for QADA receivers in VLP systems.
  • QADA receivers offer robust performance for both positioning and data transmission in VLP.
  • The findings support the integration of QADA technology into future VLP solutions.