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

Jianxun Xu; Ming Jiang; Yufa Chen

doi:doi:10.3788/COL201917.100602

Chinese Optics Letters, 2019, 17 (10): 100602, Published Online: Sep. 12, 2019

OFDM-based visible light communication with rotated polarity modulation aided complex color shift keying Download： 672次

Jianxun Xu Ming Jiang ^*Yufa Chen

Author Affiliations

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

Figures & Tables

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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Table1. 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.

OFDM-based visible light communication with rotated polarity modulation aided complex color shift keying Download： 672次

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

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

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

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

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

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

Fig. 7. Computational complexity of various OFDM schemes.

Table1. Parameters of MCSK/MCCSK Constellations

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OFDM-based visible light communication with rotated polarity modulation aided complex color shift keying Download： 672次

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

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

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

Fig. 4. Optimization of ξopt for RPM-MCCSK.

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

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

Fig. 7. Computational complexity of various OFDM schemes.

Table1. Parameters of MCSK/MCCSK Constellations

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