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On Channel Estimation in DC Biased Optical OFDM Systems Over VLC Channels

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On Channel Estimation in DC Biased Optical OFDM Systems Over VLC Channels.pdf (197.7Kb)
Date
2016
Author
Sayli, Osman
Dogan, Hakan
Panayirci, Erdal
Abstract
Visible Light Communication(VLC) has been considered as a potential access option for 5G wireless systems to solve performance limitation due to bandwidth shortage at radio frequency (RF) band. In (VLC) system illumination infrastructure has dual usage at the same time namely illumination and wireless data transmission. DC Biased optical (DCO)-OFDM has been proposed for VLC systems to provide optically power efficient solution and easy implementation. Wireless communication systems generally require estimating and tracking the fading channel in order to detect transmitted data coherently. In this work comb type pilot arrangement with interpolation and block type pilot arrangement are proposed for the DCOOFDM systems over visible light channels. Simulation results have verified that the proposed block type pilot arrangement based channel estimation has clear BER performance advantages compared with comb type pilot arrangement based channel estimation. © 2016 IEEE.

Source

2016 International Conference on Advanced Technologies for Communications (ATC)

Pages

147-151

URI

https://hdl.handle.net/20.500.12469/1269
https://doi.org/10.1109/ATC.2016.7764763

Collections

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

Keywords

Block type
Channel estimation
Comb type
DC biased optical orthogonal frequency division multiplexing (DCOOFDM)
Interpolation
Visible light communication (VLC)

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