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This work proposes a modelling of a Recursive Combinatorial (RC) code-Optical Code division Multiple Access (OCDMA) system integrated in the visible light communication (VLC) platform as potential solutions for high speed 5G indoor applications, such as indoor access points in smart building. The RC codes are assigned to three different channels represented by blue, green and yellow light emitting diodes (LEDs). Each channel transmitted up to 10 Gbps data signal. The system layout is developed using Optisystem software version 20. The system architecture is analysed based on bit error rate (BER), quality factor (Q-Factor), while the data rates and range of transmissions are varied as performance metrices. The simulated findings showed that the proposed architecture model using OCDMA-based VLC could transmit a simultaneously 30 Gbps data signals up to 25 m with BER better than 10–9. Hence, this system could serve as potential solutions towards high-capacity indoor transmission and hotspot with higher security, contributing insights to communication enhancements in the future smart buildings and smart cities.

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Modelling and Analysis of Indoor OCDMA-Based Visible Light Communication System

  • 会议论文

  • 发表日期：

    2026年

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  • Junita Mohd Nordin,
  • Norizan Mohamed Nawawi,
  • Nurafatin Mat Daud,
  • Anuar Mat Safar,
  • Rosemizi Abd Rahim,
  • Rima Matem

摘要

This work proposes a modelling of a Recursive Combinatorial (RC) code-Optical Code division Multiple Access (OCDMA) system integrated in the visible light communication (VLC) platform as potential solutions for high speed 5G indoor applications, such as indoor access points in smart building. The RC codes are assigned to three different channels represented by blue, green and yellow light emitting diodes (LEDs). Each channel transmitted up to 10 Gbps data signal. The system layout is developed using Optisystem software version 20. The system architecture is analysed based on bit error rate (BER), quality factor (Q-Factor), while the data rates and range of transmissions are varied as performance metrices. The simulated findings showed that the proposed architecture model using OCDMA-based VLC could transmit a simultaneously 30 Gbps data signals up to 25 m with BER better than 10–9. Hence, this system could serve as potential solutions towards high-capacity indoor transmission and hotspot with higher security, contributing insights to communication enhancements in the future smart buildings and smart cities.