Energy-efficient adaptive MIMO-VLC technique for indoor LiFi applications

Iman Tavakkolnia, Cheng Chen, Rui Bian, Harald Haas

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

22 Citations (Scopus)

Abstract

A simple adaptive method is proposed for multiple-input-multiple-output (MIMO) visible light communication (VLC) to increase the energy efficiency. Based on channel conditions, the desired spectral efficiency and a target error rate, the MIMO technique is chosen from three possible choices: repetition coding (RC), spatial multiplexing (SMP) and a modified version of spatial modulation (SM). At each location, the MIMO technique with a smaller input energy requirement is chosen, and thus the energy consumption is reduced. Such an adaptive method can be significantly beneficial in applications such as Internet-of-things (IoT) where energy consumption is a critical factor.
Original languageEnglish
Title of host publication2018 25th International Conference on Telecommunications (ICT)
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages331-335
Number of pages5
ISBN (Electronic)9781538623213
ISBN (Print)9781538623220
DOIs
Publication statusPublished - 16 Sept 2018
Event2018 25th International Conference on Telecommunications (ICT) - Saint-Malo, France
Duration: 26 Jun 201828 Jun 2018

Conference

Conference2018 25th International Conference on Telecommunications (ICT)
Period26/06/1828/06/18

Keywords

  • MIMO communication
  • light sources
  • receivers
  • optical transmitters
  • switched mode power supplies
  • modulation
  • error analysis

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