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Proceedings Paper

DMT visible light communication using commercial RGBA LEDs
Author(s): Rakesh Krishna VS; Ivan B. Djordjevic
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Paper Abstract

VLC systems using commercial light emitting diode (LED) offer provision of simultaneous data transmission and illumination. However, limited modulation bandwidth and non-linear distortions are the main challenges faced by VLC designs in achieving high transmission data rates. Wavelength-division multiplexing in VLC (WDM-VLC) can improve the data rates to meet gigabit/s data standards. In this paper, we study the VLC data transmission using a commercially available red-green-blue-amber (RGBA) LED model. With quadrature amplitude modulation based discrete multi-tone (QAM-DMT) transmission, we demonstrate that proposed VLC system can achieve aggregate transmission rate of 2.1 Gb/s at bit error rate (BER) well below 2×10-3, which is typical hard-decision forward error correction (FEC) threshold.

Paper Details

Date Published: 30 January 2018
PDF: 6 pages
Proc. SPIE 10560, Metro and Data Center Optical Networks and Short-Reach Links, 105600J (30 January 2018); doi: 10.1117/12.2288784
Show Author Affiliations
Rakesh Krishna VS, The Univ. of Arizona (United States)
Ivan B. Djordjevic, The Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 10560:
Metro and Data Center Optical Networks and Short-Reach Links
Atul K. Srivastava; Madeleine Glick; Youichi Akasaka, Editor(s)

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