Lasers, Fiber Optics, and Communications

Optimized pre-equalization for gigabit polarization division multiplexed visible light communication

[+] Author Affiliations
Do-Hoon Kwon, Sung-Jin Kim, Se-Hoon Yang, Sang-Kook Han

Yonsei University, Department of Electrical and Electronic Engineering, 50-Yonsei-ro, Seodaemun-gu, Seoul 120-749, Republic of Korea

Opt. Eng. 54(7), 076101 (Jul 06, 2015). doi:10.1117/1.OE.54.7.076101
History: Received February 25, 2015; Accepted June 8, 2015
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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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Do-Hoon Kwon ; Sung-Jin Kim ; Se-Hoon Yang and Sang-Kook Han
"Optimized pre-equalization for gigabit polarization division multiplexed visible light communication", Opt. Eng. 54(7), 076101 (Jul 06, 2015). ; http://dx.doi.org/10.1117/1.OE.54.7.076101


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