Zero Energy Visible Light Communication Receiver for Embedded Applications

Prabhakar T. V, Vishwas Shashidhar, G.S. Aishwarya Meghana, R Venkatesha Prasad, Garani Vittal Pranavendra

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Internet of Things is bringing multiple domains and multiple av-enues to connect anything and everything. It mainly uses RF con-nectivity. However, recently visible light communication (VLC) isalso being explored. VLC has the properties that are unique withrespect to the privacy and security that it provides. Though thetransmission is of broadcast in nature the receiver needs to be inthe vicinity of the transmitter, thus providing secure communica-tions. Further, when low power receivers need to be constructed,it is important to harness energy from transmission itself. In thisarticle we propose a novel design for a receiver to be used in VLCfor embedded systems. The setup works, using a small solar panel(2mm x 2mm) as a medium to simultaneously harvest incident lightenergy and receive data bit streams. The LED source was modulatedusing On-Off Keying. The receiver works for close range commu-nications. The results in this paper show experimental evaluationof the system. We could detect the signals from the source usingharvested energy from the same transmission.
Original languageEnglish
Pages (from-to)37-43
Number of pages7
JournalSIGBED Review
Volume15
Issue number2
DOIs
Publication statusPublished - 2018
EventAIoTAS 2017: 1st Workshop on Advances in ioT Architecture and Systems - Toronto, Canada
Duration: 25 Jun 201725 Jun 2017
Conference number: 1

Keywords

  • Visible light communication
  • Energy Harvesting
  • Photovoltaic Cell
  • LED
  • Receiver
  • High Pass Filter
  • Peak Detector
  • Nano-Power Comparator

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