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Performance Evaluation of a Simplified Power-Domain NOMA for Visible Light Communications

  • Jair A. Lima Silva
  • , João P. Lebarck Pizzaia
  • , Higor A. Fim Camporez
  • , Maria J. Pontes
  • , Helder R. De Oliveira Rocha
  • , Marcelo E. Vieria Segatto
  • , Wesley Da Silva Costa
  • Federal University of Espirito Santo

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

The performance of a visible light communication (VLC) system based on power domain non-orthogonal multiple access (PD-NOMA) is experimentally evaluated in this paper. The simplicity of the adopted non-orthogonal scheme is provided by the fixed power allocation method at the transmitter and the single one-tap equalization executed before the successive interference cancellation at the receiver. The experimental results proved the successful transmission of the PD-NOMA scheme with three users in VLC links of up to 2.5 m, after a proper choice of the optical modulation index. All users achieved error-vector magnitude (EVM) performances below FEC limits in all evaluated transmission distances. At 2.5 m, the user with the best performance reaches an EVM = 2.3 %.
Original languageEnglish
Number of pages10
JournalJournal of the Optical Society of America A Optics, Image Science and Vision
Volume40
Issue numberC46-C52
Publication statusPublished - 1 Mar 2023

Keywords

  • optical communication

Research Focus Areas Hanze University of Applied Sciences * (mandatory by Hanze)

  • Healthy Ageing

Research Focus Areas Research Centre or Centre of Expertise * (mandatory by Hanze)

  • Artificial Intelligence
  • Cyberfysical systems

Publinova themes

  • ICT and Media
  • Health
  • Technology

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