Two-way visible light communication and illumination with LEDs

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25 Citations (Scopus)


Visible light communications (VLC) with light-emitting diodes (LEDs) has attracted applications, such as data communications, lighting control, and light interaction. In this paper, we propose a system by which two LED devices are used for two-way VLC while also providing illumination. We consider Manchester encoding with on-off keying for transmission. A reception scheme in which the LEDs themselves are used as receivers by sensing in the OFF periods is considered. A synchronization scheme to achieve frame-and symbol-level synchronization is also proposed. A prototype of the proposed system is designed and the communication performance is evaluated.

Original languageEnglish
Article number7738447
Pages (from-to)740-750
Number of pages11
JournalIEEE Transactions on Communications
Issue number2
Publication statusPublished - 1 Feb 2017


  • LED
  • sensing
  • two-way channel
  • Visible light communications


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