4.7 Article

What is LiFi?

Journal

JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 34, Issue 6, Pages 1533-1544

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2015.2510021

Keywords

Base stations; communication networks; communication systems; handover; millimeter wave communication; mobile communication; modulation; multiaccess communication; wireless communication

Funding

  1. EPSRC [EP/K008757/1]
  2. EPSRC [EP/K008757/1] Funding Source: UKRI
  3. Engineering and Physical Sciences Research Council [EP/K008757/1] Funding Source: researchfish

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This paper attempts to clarify the difference between visible light communication (VLC) and light-fidelity (LiFi). In particular, it will show how LiFi takes VLC further by using light emitting diodes (LEDs) to realise fully networked wireless systems. Synergies are harnessed as luminaries become LiFi attocells resulting in enhanced wireless capacity providing the necessary connectivity to realise the Internet-of-Things, and contributing to the key performance indicators for the fifth generation of cellular systems (5G) and beyond. It covers all of the key research areas from LiFi components to hybrid LiFi/wireless fidelity (WiFi) networks to illustrate that LiFi attocells are not a theoretical concept any more, but at the point of real-world deployment.

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