Abstract

Red, green, blue (RGB) light-emitting-diodes (LEDs) are used to increase the visible light communication (VLC) transmission capacity via wavelength-division-multiplexing (WDM), and the color image sensor in mobile phone is used to separate different color signals via a color filter array. However, due to the wide optical bandwidths of the color filters, there is a high spectral overlap among different channels, and a high inter-channel interference (ICI) happens. Here, we propose and demonstrate an RGB VLC transmission using CMOS image sensor with multi-input multi-output (MIMO) technique to mitigate the ICI and retrieve the three independent color channels in the rolling shutter pattern. Data pattern extinction-ratio (ER) enhancement and thresholding are deployed.

© 2016 Optical Society of America

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References

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  1. S. Wu, H. Wang, and C. H. Youn, “Visible light communications for 5G wireless networking systems: from fixed to mobile communications,” IEEE Netw. 28(6), 41–45 (2014).
    [Crossref]
  2. H. Haas and C. Chen, “What is LiFi?” in Proc. ECOC (2015), paper 0871.
  3. C. W. Chow, C. H. Yeh, Y. Liu, and Y. F. Liu, “Digital signal processing for light emitting diode based visible light communication,” IEEE Photonics Soc. Newslett. 26, 9–13 (2012).
  4. B. Janjua, H. M. Oubei, J. R. D. Retamal, T. K. Ng, C.-T. Tsai, H.-Y. Wang, Y.-C. Chi, H.-C. Kuo, G.-R. Lin, J.-H. He, and B. S. Ooi, “Going beyond 4 Gbps data rate by employing RGB laser diodes for visible light communication,” Opt. Express 23(14), 18746–18753 (2015).
    [Crossref] [PubMed]
  5. Y. C. Chi, D. H. Hsieh, C. T. Tsai, H. Y. Chen, H. C. Kuo, and G. R. Lin, “450-nm GaN laser diode enables high-speed visible light communication with 9-Gbps QAM-OFDM,” Opt. Express 23(10), 13051–13059 (2015).
    [Crossref] [PubMed]
  6. W. Y. Lin, C. Y. Chen, H. H. Lu, C. H. Chang, Y. P. Lin, H. C. Lin, and H. W. Wu, “10m/500 Mbps WDM visible light communication systems,” Opt. Express 20(9), 9919–9924 (2012).
    [Crossref] [PubMed]
  7. Z. Wang, C. Yu, W. D. Zhong, J. Chen, and W. Chen, “Performance of a novel LED lamp arrangement to reduce SNR fluctuation for multi-user visible light communication systems,” Opt. Express 20(4), 4564–4573 (2012).
    [Crossref] [PubMed]
  8. I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
    [Crossref]
  9. P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).
  10. C. Danakis, M. Afgani, G. Povey, I. Underwood, and H. Haas, “Using a CMOS camera sensor for visible light communication,” in Proc. OWC (2012), pp. 1244–1248.
    [Crossref]
  11. C. W. Chow, C. Y. Chen, and S. H. Chen, “Visible light communication using mobile-phone camera with data rate higher than frame rate,” Opt. Express 23(20), 26080–26085 (2015).
    [Crossref] [PubMed]
  12. C. W. Chow, C. Y. Chen, and S. H. Chen, “Enhancement of signal performance in LED visible light communications using mobile phone camera,” IEEE Photonics J. 7(5), 7903607 (2015).
    [Crossref]
  13. Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
    [Crossref]
  14. J. Y. Sung, C. W. Chow, and C. H. Yeh, “Dimming-discrete-multi-tone (DMT) for simultaneous color control and high speed visible light communication,” Opt. Express 22(7), 7538–7543 (2014).
    [Crossref] [PubMed]
  15. S. Rajagopal, R. Roberts, and S. K. Lim, “IEEE 802.15.7 visible light communication: modulation schemes and dimming support,” IEEE Commun. Mag. 50(3), 72–82 (2012).
    [Crossref]
  16. H. H. Lu, Y. P. Lin, P. Y. Wu, C. Y. Chen, M. C. Chen, and T. W. Jhang, “A multiple-input-multiple-output visible light communication system based on VCSELs and spatial light modulators,” Opt. Express 22(3), 3468–3474 (2014).
    [Crossref] [PubMed]
  17. C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
    [Crossref]
  18. M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
    [Crossref] [PubMed]

2016 (1)

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

2015 (5)

2014 (4)

S. Wu, H. Wang, and C. H. Youn, “Visible light communications for 5G wireless networking systems: from fixed to mobile communications,” IEEE Netw. 28(6), 41–45 (2014).
[Crossref]

J. Y. Sung, C. W. Chow, and C. H. Yeh, “Dimming-discrete-multi-tone (DMT) for simultaneous color control and high speed visible light communication,” Opt. Express 22(7), 7538–7543 (2014).
[Crossref] [PubMed]

H. H. Lu, Y. P. Lin, P. Y. Wu, C. Y. Chen, M. C. Chen, and T. W. Jhang, “A multiple-input-multiple-output visible light communication system based on VCSELs and spatial light modulators,” Opt. Express 22(3), 3468–3474 (2014).
[Crossref] [PubMed]

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

2013 (1)

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

2012 (4)

S. Rajagopal, R. Roberts, and S. K. Lim, “IEEE 802.15.7 visible light communication: modulation schemes and dimming support,” IEEE Commun. Mag. 50(3), 72–82 (2012).
[Crossref]

C. W. Chow, C. H. Yeh, Y. Liu, and Y. F. Liu, “Digital signal processing for light emitting diode based visible light communication,” IEEE Photonics Soc. Newslett. 26, 9–13 (2012).

W. Y. Lin, C. Y. Chen, H. H. Lu, C. H. Chang, Y. P. Lin, H. C. Lin, and H. W. Wu, “10m/500 Mbps WDM visible light communication systems,” Opt. Express 20(9), 9919–9924 (2012).
[Crossref] [PubMed]

Z. Wang, C. Yu, W. D. Zhong, J. Chen, and W. Chen, “Performance of a novel LED lamp arrangement to reduce SNR fluctuation for multi-user visible light communication systems,” Opt. Express 20(4), 4564–4573 (2012).
[Crossref] [PubMed]

2009 (1)

M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
[Crossref] [PubMed]

Afgani, M.

C. Danakis, M. Afgani, G. Povey, I. Underwood, and H. Haas, “Using a CMOS camera sensor for visible light communication,” in Proc. OWC (2012), pp. 1244–1248.
[Crossref]

Andoh, M.

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

Armstrong, D.

M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
[Crossref] [PubMed]

Chang, C. H.

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

W. Y. Lin, C. Y. Chen, H. H. Lu, C. H. Chang, Y. P. Lin, H. C. Lin, and H. W. Wu, “10m/500 Mbps WDM visible light communication systems,” Opt. Express 20(9), 9919–9924 (2012).
[Crossref] [PubMed]

Chen, C.

H. Haas and C. Chen, “What is LiFi?” in Proc. ECOC (2015), paper 0871.

Chen, C. Y.

Chen, H. Y.

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

Y. C. Chi, D. H. Hsieh, C. T. Tsai, H. Y. Chen, H. C. Kuo, and G. R. Lin, “450-nm GaN laser diode enables high-speed visible light communication with 9-Gbps QAM-OFDM,” Opt. Express 23(10), 13051–13059 (2015).
[Crossref] [PubMed]

Chen, J.

Chen, J. H.

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

Chen, M. C.

Chen, S. H.

C. W. Chow, C. Y. Chen, and S. H. Chen, “Enhancement of signal performance in LED visible light communications using mobile phone camera,” IEEE Photonics J. 7(5), 7903607 (2015).
[Crossref]

C. W. Chow, C. Y. Chen, and S. H. Chen, “Visible light communication using mobile-phone camera with data rate higher than frame rate,” Opt. Express 23(20), 26080–26085 (2015).
[Crossref] [PubMed]

Chen, W.

Cheng, C. J.

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

Chi, Y. C.

Chi, Y.-C.

Chow, C. W.

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

C. W. Chow, C. Y. Chen, and S. H. Chen, “Enhancement of signal performance in LED visible light communications using mobile phone camera,” IEEE Photonics J. 7(5), 7903607 (2015).
[Crossref]

C. W. Chow, C. Y. Chen, and S. H. Chen, “Visible light communication using mobile-phone camera with data rate higher than frame rate,” Opt. Express 23(20), 26080–26085 (2015).
[Crossref] [PubMed]

J. Y. Sung, C. W. Chow, and C. H. Yeh, “Dimming-discrete-multi-tone (DMT) for simultaneous color control and high speed visible light communication,” Opt. Express 22(7), 7538–7543 (2014).
[Crossref] [PubMed]

C. W. Chow, C. H. Yeh, Y. Liu, and Y. F. Liu, “Digital signal processing for light emitting diode based visible light communication,” IEEE Photonics Soc. Newslett. 26, 9–13 (2012).

Danakis, C.

C. Danakis, M. Afgani, G. Povey, I. Underwood, and H. Haas, “Using a CMOS camera sensor for visible light communication,” in Proc. OWC (2012), pp. 1244–1248.
[Crossref]

Deen, M. J.

M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
[Crossref] [PubMed]

El-Desouki, M.

M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
[Crossref] [PubMed]

Fang, Q.

M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
[Crossref] [PubMed]

Ghassemlooy, Z.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

Haas, H.

H. Haas and C. Chen, “What is LiFi?” in Proc. ECOC (2015), paper 0871.

C. Danakis, M. Afgani, G. Povey, I. Underwood, and H. Haas, “Using a CMOS camera sensor for visible light communication,” in Proc. OWC (2012), pp. 1244–1248.
[Crossref]

Han, D.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

He, J.-H.

Hsieh, D. H.

Hsu, C. W.

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

Ito, S.

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

Janjua, B.

Jhang, T. W.

Kagawa, K.

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

Kawahito, S.

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

Kuo, H. C.

Kuo, H.-C.

Li, C. Y.

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

Liang, K.

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

Lim, S. K.

S. Rajagopal, R. Roberts, and S. K. Lim, “IEEE 802.15.7 visible light communication: modulation schemes and dimming support,” IEEE Commun. Mag. 50(3), 72–82 (2012).
[Crossref]

Lin, C. Y.

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

Lin, G. R.

Lin, G.-R.

Lin, H. C.

Lin, W. Y.

Lin, Y. P.

Liu, L.

M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
[Crossref] [PubMed]

Liu, Y.

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

C. W. Chow, C. H. Yeh, Y. Liu, and Y. F. Liu, “Digital signal processing for light emitting diode based visible light communication,” IEEE Photonics Soc. Newslett. 26, 9–13 (2012).

Liu, Y. F.

C. W. Chow, C. H. Yeh, Y. Liu, and Y. F. Liu, “Digital signal processing for light emitting diode based visible light communication,” IEEE Photonics Soc. Newslett. 26, 9–13 (2012).

Lu, H. H.

Luo, P.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

Minh, H. L.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

Ng, T. K.

Ooi, B. S.

Oubei, H. M.

Png, L. C.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

Povey, G.

C. Danakis, M. Afgani, G. Povey, I. Underwood, and H. Haas, “Using a CMOS camera sensor for visible light communication,” in Proc. OWC (2012), pp. 1244–1248.
[Crossref]

Rajagopal, S.

S. Rajagopal, R. Roberts, and S. K. Lim, “IEEE 802.15.7 visible light communication: modulation schemes and dimming support,” IEEE Commun. Mag. 50(3), 72–82 (2012).
[Crossref]

Retamal, J. R. D.

Roberts, R.

S. Rajagopal, R. Roberts, and S. K. Lim, “IEEE 802.15.7 visible light communication: modulation schemes and dimming support,” IEEE Commun. Mag. 50(3), 72–82 (2012).
[Crossref]

Sung, J. Y.

Takai, I.

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

Tang, X.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

Tsai, C. T.

Tsai, C.-T.

Tsai, H. M.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

Tse, F.

M. El-Desouki, M. J. Deen, Q. Fang, L. Liu, F. Tse, and D. Armstrong, “CMOS image sensors for high speed applications,” Sensors 9(1), 430–444 (2009).
[Crossref] [PubMed]

Underwood, I.

C. Danakis, M. Afgani, G. Povey, I. Underwood, and H. Haas, “Using a CMOS camera sensor for visible light communication,” in Proc. OWC (2012), pp. 1244–1248.
[Crossref]

Wan, Z. W.

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

Wang, H.

S. Wu, H. Wang, and C. H. Youn, “Visible light communications for 5G wireless networking systems: from fixed to mobile communications,” IEEE Netw. 28(6), 41–45 (2014).
[Crossref]

Wang, H.-Y.

Wang, Z.

Wu, H. W.

Wu, P. Y.

Wu, S.

S. Wu, H. Wang, and C. H. Youn, “Visible light communications for 5G wireless networking systems: from fixed to mobile communications,” IEEE Netw. 28(6), 41–45 (2014).
[Crossref]

Yasutomi, K.

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

Yeh, C. H.

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

J. Y. Sung, C. W. Chow, and C. H. Yeh, “Dimming-discrete-multi-tone (DMT) for simultaneous color control and high speed visible light communication,” Opt. Express 22(7), 7538–7543 (2014).
[Crossref] [PubMed]

C. W. Chow, C. H. Yeh, Y. Liu, and Y. F. Liu, “Digital signal processing for light emitting diode based visible light communication,” IEEE Photonics Soc. Newslett. 26, 9–13 (2012).

Youn, C. H.

S. Wu, H. Wang, and C. H. Youn, “Visible light communications for 5G wireless networking systems: from fixed to mobile communications,” IEEE Netw. 28(6), 41–45 (2014).
[Crossref]

Yu, C.

Zhang, M.

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

Zhong, W. D.

IEEE Commun. Mag. (1)

S. Rajagopal, R. Roberts, and S. K. Lim, “IEEE 802.15.7 visible light communication: modulation schemes and dimming support,” IEEE Commun. Mag. 50(3), 72–82 (2012).
[Crossref]

IEEE Netw. (1)

S. Wu, H. Wang, and C. H. Youn, “Visible light communications for 5G wireless networking systems: from fixed to mobile communications,” IEEE Netw. 28(6), 41–45 (2014).
[Crossref]

IEEE Photonics J. (4)

I. Takai, S. Ito, K. Yasutomi, K. Kagawa, M. Andoh, and S. Kawahito, “LED and CMOS image sensor based optical wireless communication system for automotive applications,” IEEE Photonics J. 5(5), 6801418 (2013).
[Crossref]

P. Luo, M. Zhang, Z. Ghassemlooy, H. L. Minh, H. M. Tsai, X. Tang, L. C. Png, and D. Han, “Experimental demonstration of RGB LED-based optical camera communications,” IEEE Photonics J. 7, 7904242 (2015).

C. W. Chow, C. Y. Chen, and S. H. Chen, “Enhancement of signal performance in LED visible light communications using mobile phone camera,” IEEE Photonics J. 7(5), 7903607 (2015).
[Crossref]

Y. Liu, H. Y. Chen, K. Liang, C. W. Hsu, C. W. Chow, and C. H. Yeh, “Visible light communication using receivers of camera image sensor and solar cell,” IEEE Photonics J. 8(1), 7800107 (2016).
[Crossref]

IEEE Photonics Soc. Newslett. (1)

C. W. Chow, C. H. Yeh, Y. Liu, and Y. F. Liu, “Digital signal processing for light emitting diode based visible light communication,” IEEE Photonics Soc. Newslett. 26, 9–13 (2012).

J. Lightwave Technol. (1)

C. H. Chang, C. Y. Li, H. H. Lu, C. Y. Lin, J. H. Chen, Z. W. Wan, and C. J. Cheng, “A 100-Gb/s multiple-input multiple-output visible laser light communication system,” J. Lightwave Technol. 32(24), 4723–4729 (2014).
[Crossref]

Opt. Express (7)

C. W. Chow, C. Y. Chen, and S. H. Chen, “Visible light communication using mobile-phone camera with data rate higher than frame rate,” Opt. Express 23(20), 26080–26085 (2015).
[Crossref] [PubMed]

J. Y. Sung, C. W. Chow, and C. H. Yeh, “Dimming-discrete-multi-tone (DMT) for simultaneous color control and high speed visible light communication,” Opt. Express 22(7), 7538–7543 (2014).
[Crossref] [PubMed]

H. H. Lu, Y. P. Lin, P. Y. Wu, C. Y. Chen, M. C. Chen, and T. W. Jhang, “A multiple-input-multiple-output visible light communication system based on VCSELs and spatial light modulators,” Opt. Express 22(3), 3468–3474 (2014).
[Crossref] [PubMed]

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[Crossref]

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Figures (6)

Fig. 1
Fig. 1 Proposed architecture of the RGB VLC transmission using MIMO. (a), (b) Sketch of the optical spectra of the LEDs and Rx, (c) RGB signals received by the color-insensitive sensing elements after passing through the color filters.
Fig. 2
Fig. 2 Proof-of-concept demonstration of the RGB VLC transmission using MIMO to demodulate the rolling shutter pattern. (a) RGB LED transmitter, (b) RGB rolling shutter pattern showing the different color fringes.
Fig. 3
Fig. 3 Structure of the data packet, including the training signal 1 and 2 for MIMO; and each packet is consisted of a header and payload.
Fig. 4
Fig. 4 (a)-(c) Data pattern of grayscale values (0 to 255) of the R, G, and B colors after MIMO demodulation with a second order polynomial fitting for signal smoothing.
Fig. 5
Fig. 5 (a)-(c) Data pattern of grayscale values (0 to 255) of the R, G, and B colors after smoothing, and with a second order polynomial fitting for thresholding.
Fig. 6
Fig. 6 (a)-(c) BER measurement at different illuminance without and with the MIMO for the R, G, and B colors.

Equations (4)

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Y=HX+N
H=[ h rr h rg h rb h gr h gg h gb h br h bg h bb ]
H=Y X 1
X'= H 1 Y

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