Researching | OFDM-based visible light communication with rotated polarity modulation aided complex color shift keying

Chinese Optics Letters, Volume. 17, Issue 10, 100602(2019)

OFDM-based visible light communication with rotated polarity modulation aided complex color shift keying

Jianxun Xu, Ming Jiang^*, and Yufa Chen

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Sun Yat-sen University (SYSU), Guangzhou 510275, China

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Fig. 1. Proposed RPM-CCSK-OFDM system model.

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Fig. 2. Flowchart of the RPM-CCSK mapper using the RPM-4CCSK constellation of Fig. 3(b) as an example.

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Fig. 3. PM-4CCSK and RPM-4CCSK constellations.

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Fig. 4. Optimization of $ξ_{opt}$ for RPM- $M$ CCSK.

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Fig. 5. Theoretical (T) and simulated (S) BER of: (a) conventional CSK, (b) PM-CCSK-ACO-OFDM, and (c) RPM-CCSK-ACO-OFDM.

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Fig. 6. BER comparison of the various schemes investigated (‘A,’ ACO-OFDM; ‘D,’ DCO-OFDM; ‘U,’ U-OFDM).

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Fig. 7. Computational complexity of various OFDM schemes.

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Table 1. Parameters of MCSK/MCCSK Constellations
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Table 1. Parameters of MCSK/MCCSK Constellations
LED Type TLED QLED
$M$ 4 8 16 4 8 16
$n_{c}, d$ 3, $\frac{\sqrt{3}}{3}$ 4, $\frac{1}{2}$
$c_{0}$ ( $\frac{1}{3}$ , $\frac{1}{3}$ , $\frac{1}{3}$ ) ( $\frac{1}{4}$ , $\frac{1}{4}$ , $\frac{1}{4}$ , $\frac{1}{4}$ )
$e_{s}$ $\frac{5}{6}$ $\frac{299}{432}$ $\frac{11}{18}$ 1 $\frac{3}{4}$ $\frac{11}{18}$
$d_{H}$ $\frac{4}{3}$ $\frac{9}{8}$ $\frac{7}{6}$ $\frac{4}{3}$ $\frac{4}{3}$ $\frac{26}{19}$
$d_{avg}^{2}$ $\frac{1}{2}$ $\frac{155}{432}$ $\frac{5}{18}$ $\frac{3}{4}$ $\frac{1}{2}$ $\frac{13}{36}$
$ξ_{opt}$ $\sqrt{2}$ $\sqrt{6}$ $3 \sqrt{2}$ $\frac{\sqrt{2}}{2}$ $\sqrt{2}$ $\frac{3 \sqrt{2}}{2}$

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Jianxun Xu, Ming Jiang, Yufa Chen. OFDM-based visible light communication with rotated polarity modulation aided complex color shift keying[J]. Chinese Optics Letters, 2019, 17(10): 100602

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Paper Information

Category: Fiber Optics and Optical Communications

Received: May. 14, 2019

Accepted: Aug. 2, 2019

Published Online: Sep. 12, 2019

The Author Email: Ming Jiang (jiangm7@mail.sysu.edu.cn)

DOI:10.3788/COL201917.100602

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology