publication . Conference object . 2020

OFDM Based Visible Light Communication with Probabilistic Shaping

Tilahun Zerihun Gutema; Harald Haas; Wasiu O. Popoola;
Open Access
  • Published: 28 Aug 2020
Abstract
A visible light communication (VLC) system using probabilistically shaped orthogonal frequency multiplexed (OFDM) modulation is presented. The average symbol energy of probabilistically shaped OFDM modulation is investigated for different modulation orders of quadrature amplitude modulation (QAM) under different entropy scenarios. Furthermore, the symbol error performance of the probabilistically shaped OFDM system under additive white Gaussian noise (AWGN) channel condition is evaluated. The probabilistically shaped OFDM system outperforms the uniformly distributed in the symbol error ratio performance. For 256-QAM with an entropy of 7.84 bits, we have shown a ...
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Subjects
arXiv: Computer Science::Information Theory
free text keywords: QAM, Communication channel, Computer science, Quadrature amplitude modulation, Additive white Gaussian noise, symbols.namesake, symbols, Modulation, Orthogonal frequency-division multiplexing, Entropy (information theory), Algorithm, Visible light communication
Funded by
EC| ENLIGHTEM
Project
ENLIGHTEM
European Training Network in Low-energy Visible Light IoT Systems
  • Funder: European Commission (EC)
  • Project Code: 814215
  • Funding stream: H2020 | MSCA-ITN-ETN
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Conference object . 2020
Provider: ZENODO
http://dx.doi.org/10.1145/3412...
Conference object . 2020
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