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NRZ-OOK signaling with LED dimming for visible light communication link

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7 Author(s)
Eunbyeol Cho ; Dept. of Electron. Eng., Chosun Univ., Gwangju, South Korea ; Joon-Ho Choi ; Chulsoo Park ; Moonsoo Kang
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A signal format based on PWM dimming and NRZ-OOK signals has been proposed and experimentally demonstrated. The signal format increases slot utilization. The signaling scheme utilizes the off-state of the PWM dimming period. Thereby, the data rate is increased compared with the case without data in the off-state of the PWM period, at the cost of dimming level change. The proposed technique is simple and effective in providing the data transmission with the dimming simultaneously.

Published in:

Networks and Optical Communications (NOC), 2011 16th European Conference on

Date of Conference:

20-22 July 2011