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A Mobile Channel Model for VLC and Application to Adaptive System Design

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A Mobile Channel Model for VLC and Application to Adaptive System Design.pdf (937.6Kb)
Date
2017
Author
Miramirkhani, Farshad
Narmanlıoğlu, Ömer
Uysal, Murat
Panayırcı, Erdal
Abstract
In this letter we propose a realistic channel model for visible light communication (VLC) assuming a mobile user. Based on non-sequential ray tracing we first obtain channel impulse responses for each point over the user movement trajectories and then express path loss and delay spread as a function of distance through curve fitting. Our results demonstrate large variations in received power. In system design this necessitates the use of adaptive schemes where transmission parameters can be selected according to channel conditions. To demonstrate the benefits of link adaptation over a mobile VLC channel we propose an adaptive system with luminary selection and demonstrate improvements in spectral efficiency over non-adaptive systems.

Issue

5

Volume

21

Pages

1035-1038

URI

https://hdl.handle.net/20.500.12469/345
https://doi.org/10.1109/LCOMM.2017.2651800

Collections

  • Araştırma Çıktıları / Scopus [1565]
  • Araştırma Çıktıları / WOS [1518]
  • Elektrik-Elektronik Mühendisliği / Electrical - Electronics Engineering [321]

Keywords

Visible light communications
Ray tracing
Channel modeling
Adaptive transmission

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Contact Us | Send Feedback
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