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Optical Engineering

Optimized pre-equalization for gigabit polarization division multiplexed visible light communication
Author(s): Do-Hoon Kwon; Sung-Jin Kim; Se-Hoon Yang; Sang-Kook Han
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Paper Abstract

We experimentally demonstrated a gigabit visible light communication system employing polarization division multiplexing and adaptive modulation optical-discrete multitones by using a phosphor-based white light-emitting diode. An optimized pre-equalization circuit was used to prevent clipping of the baseband signal, which exceeded the linear operating range of the LED, and to control the power distribution of each subcarrier in order to obtain an efficient bit-loading profile. Using this technique, we achieved 1.025 and 1.016 Gbps transmissions for each polarization channel and a total of 2.041 Gbps transmissions were experimentally verified. In each transmission, bit error rate performances were below the forward error correction limit.

Paper Details

Date Published: 6 July 2015
PDF: 6 pages
Opt. Eng. 54(7) 076101 doi: 10.1117/1.OE.54.7.076101
Published in: Optical Engineering Volume 54, Issue 7
Show Author Affiliations
Do-Hoon Kwon, Yonsei Univ. (Republic of Korea)
Sung-Jin Kim, Yonsei Univ. (Republic of Korea)
Se-Hoon Yang, Yonsei Univ. (Republic of Korea)
Sang-Kook Han, Yonsei Univ. (Republic of Korea)

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