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A Comprehensive Open-Source Simulation Framework for LiFi Communication.

Shakir Ullah1, Saeed Ur Rehman2, Peter Han Joo Chong1

  • 1Department of Electrical and Electronics Engineering, Auckland University of Technology (AUT), Auckland 1010, New Zealand.

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Summary
This summary is machine-generated.

This study introduces an open-source simulation framework for hybrid Light Fidelity (LiFi) and wireless fidelity (WiFi) networks. The framework addresses challenges in LiFi/WiFi integration, mobility, and handover, demonstrating performance gains.

Keywords:
6GLiFiVLCVLC simulationWiFins-3simulation tool

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Wireless Communication

Background:

  • Light Fidelity (LiFi) offers high-speed wireless networking using visible light but suffers from limited coverage and potential service outages.
  • Hybrid LiFi/WiFi systems aim to enhance reliability but face challenges in integration, mobility, and resource management.

Purpose of the Study:

  • To develop an open-source simulation framework for LiFi and hybrid LiFi/WiFi networks.
  • To address scalability and holistic management of challenges in hybrid wireless systems.

Main Methods:

  • Developed an open-source simulation framework using Network Simulator 3 (ns-3).
  • Implemented a functional Access Point (AP) with physical and MAC layers, a user mobility model, and LiFi/WiFi integration with handover.
  • Conducted simulations to evaluate mobility, handover, and performance metrics.

Main Results:

  • Demonstrated the mobility and handover capabilities of the developed ns-3 LiFi framework.
  • Showcased performance improvements in the hybrid LiFi/WiFi system, including reduced packet delay and improved throughput.
  • Evaluated packet drop ratio (PDR) and user fairness in the hybrid network.

Conclusions:

  • The ns-3 LiFi framework provides a scalable, open-source tool for researching hybrid wireless networks.
  • The simulation results validate the performance benefits of integrating LiFi with WiFi for enhanced wireless communication.
  • The framework's source code is released to the research community for further development and study.