Contention-free scheduling for LiFi networks

Jona Beysens, J.P. Linnzartz, D. van Wageningen, Sofie Pollin KU Leuven, Leuven, Belgium, Signify (Philips Lighting) Research, Eindhoven, The Netherlands, Department of Electrical Engineering, Eindhoven University of Technology

Optical Wireless Communication (OWC) has attracted significant attention from academia and industry as a promising solution to complement traditional radio frequency communication. In Light-Fidelity (LiFi) networks, to enable soft handover and provide robustness against blockage of the line-of-sight links, LiFi receivers are designed to see multiple LiFi transmitters within their field-of-view. To avoid strong contention and provide guaranteed Quality of Service (QoS), contention-free scheduling approaches are desired. In this work, we present an overview of contention-free scheduling approaches for LiFi networks. We propose a mechanism for fine-grained interference control can show how this can improve the performance with very low complexity, paving the way for ultra-reliable LiFi networks.

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The conference focuses on leading edge research on Optical Wireless Communication in its different forms and gathers experts from academia and industry to show their latest technical results and showcase their products and services. The application scope is broad and it ranges from Ultra-short range to Ultra-long range.

Conference topics cover visible light communication, infrared optical and ultraviolet communication. These different forms of OWC can potentially be employed in a diverse range of communication applications ranging from optical interconnects within integrated circuits through outdoor inter-building links to free-space satellite communications.

The following topics are being covered during the conference:

  • Ultra-short range: for instance chip-to-chip communications in stacked and closely packed multi-chip packages
  • Short range: For instance wireless personal area network (WPAN) applications under standard IEEE 802.15.7 and underwater communications.
  • Medium range: indoor IR and visible light communications (VLC) for wireless local area networks (WLANs) and inter-vehicular and vehicle-to-infrastructure communications.
  • Long range: inter-building connections, also called free-space optical communications (FSO).
  • Ultra-long range: Laser communication in space especially for inter-satellite links and establishment of satellite constellations

This paper was presented during the conference which took place during the Photonics Applications Week.

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