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Area of Science:

  • Networking technologies
  • Smart city infrastructure
  • Wireless communication systems

Background:

  • Optical wireless LANs (OWLs) are an emerging networking technology for indoor environments.
  • OWLs are increasingly relevant for smart city applications.
  • Commercial OWL products are now available, necessitating performance evaluation.

Purpose of the Study:

  • To investigate the performance of commercial Optical Wireless LANs (OWLs) under various environmental and usage conditions.
  • To assess the impact of multiple users, device mobility, cell handover, and background lighting on OWL system performance.
  • To determine the robustness of OWL systems in real-world indoor scenarios.

Main Methods:

  • Conducted indoor communication experiments using commercially available OWL products.
  • Evaluated system performance by varying factors such as user density, mobile device position and movement, and background light intensity.
  • Monitored data throughput and link stability under different operational conditions.

Main Results:

  • OWL systems demonstrate significant robustness across diverse operational conditions.
  • Stable throughput is reliably maintained, achieving at least 50% of maximum capacity under most tested scenarios.
  • Factors like mobile device position and height have a mild impact, while background light variations have a negligible effect on performance.

Conclusions:

  • Commercial OWL systems exhibit resilience to variations in environmental and usage factors.
  • OWLs are a dependable networking solution for indoor smart city applications, capable of sustaining stable performance.
  • The technology is well-suited for deployment in dynamic indoor environments with multiple users and mobile devices.