[1] P. H. Pathak, X. Feng, P. Hu, P. Mohapatra. Visible light communication, networking, and sensing: a survey, potential and challenges. IEEE Commun. Surv. Tutor., 17, 2047(2015).

[2] N. Chi, Y. Zhou, S. Liang, F. Wang, J. Li, Y. Wang. Enabling technologies for high-speed visible light communication employing cap modulation. J. Lightwave Technol., 36, 510(2018).

[3] Y. Zhou, Y. Wei, F. Hu, J. Hu, Y. Zhao, J. Zhang, F. Jiang, N. Chi. Comparison of nonlinear equalizers for high-speed visible light communication utilizing silicon substrate phosphorescent white LED. Opt. Express, 28, 2302(2020).

[4] M. Gao, C. Li, Z. Xu. Performance enhancement of LED-based indoor OFDM-VLC system using digital chaotic scheme. Opt. Commun., 439, 21(2019).

[5] N. Chi, F. Hu. Nonlinear adaptive filters for high-speed LED based underwater visible light communication [Invited]. Chin. Opt. Lett., 17, 100011(2019).

[6] H. Elgala, R. Mesleh, H. Haas. Indoor optical wireless communication: potential and state-of-the-art. IEEE Commun. Mag., 49, 56(2011).

[7] J. Armstrong, B. J. Schmidt. Comparison of asymmetrically clipped optical OFDM and DC-biased optical OFDM in AWGN. IEEE Commun. Lett., 12, 343(2008).

[8] G. Berardinelli, K. I. Pedersen, T. B. Sorensen, P. Mogensen. Generalized DFT-spread-OFDM as 5G waveform. IEEE Commun. Mag., 54, 99(2016).

[9] S. D. Dissanayake, J. Armstrong. Comparison of ACO-OFDM, DCO-OFDM and ADO-OFDM in IM/DD systems. J. Lightwave Technol., 31, 1063(2013).

[10] F. Wang, Y. Liu, F. Jiang, N. Chi. High speed underwater visible light communication system based on LED employing maximum ratio combination with multi-pin reception. Opt. Commun., 425, 106(2018).

[11] Z. Wang, W.-D. Zhong, C. Yu, J. Chen, C. P. Francois, W. Chen. Performance of dimming control scheme in visible light communication system. Opt. Express, 20, 18861(2012).

[12] H. Elgala, T. D. Little. Reverse polarity optical-OFDM (RPO-OFDM): dimming compatible OFDM for gigabit VLC links. Opt. Express, 21, 24288(2013).

[13] Q. Wang, Z. Wang, L. Dai. Asymmetrical hybrid optical OFDM for visible light communications with dimming control. IEEE Photon. Technol. Lett., 27, 974(2015).

[14] Q. Wang, Z. Wang, L. Dai, J. Quan. Dimmable visible light communications based on multi-layer ACO-OFDM. IEEE Photon. J., 8, 7905011(2016).

[15] F. Yang, J. Gao. Dimming control scheme with high power and spectrum efficiency for visible light communications. IEEE Photon. J., 9, 7901612(2017).

[16] Y. Sun, F. Yang, J. Gao. Novel dimmable visible light communication approach based on hybrid LACO-OFDM. J. Lightwave Technol., 36, 4942(2018).

[17] J. Zhou, Q. Wang, Q. Cheng, M. Guo, Y. Lu, A. Yang, Y. Qiao. Low-PAPR layered/enhanced ACO-SCFDM for optical-wireless communications. IEEE Photon. Technol. Lett., 30, 165(2017).

[18] T. Zhang, J. Zhou, Z. Zhang, Y. Lu, F. Su, Y. Qiao. Dimming control systems based on low-PAPR SCFDM for visible light communications. IEEE Photon. J., 10, 7907211(2018).

[19] H. Li, Y. Zhang, X. Chen, C. Wu, J. Guo, Z. Gao, H. Chen. High-speed phosphorescent white LED visible light communications without utilizing a blue filter. Chin. Opt. Lett., 13, 080605(2015).

[20] M. S. Moreolo, R. Muñoz, G. Junyent. Novel power efficient optical OFDM based on Hartley transform for intensity-modulated direct-detection systems. J. Lightwave Technol., 28, 798(2010).

[21] J. Zhou, Y. Yan, Z. Cai, Y. Qiao, Y. Ji. A cost-effective and efficient scheme for optical OFDM in short-range IM/DD systems. IEEE Photon. Technol. Lett., 26, 1372(2014).

[22] T. Zhang, Y. Qiao, J. Zhou, Z. Zhang, Y. Lu, F. Su. Spectral-efficient L/E-ACO-SCFDM-based dimmable visible light communication system. IEEE Access, 7, 10617(2019).

[23] Q. Wang, C. Qian, X. Guo, Z. Wang, D. G. Cunningham, I. H. White. Layered ACO-OFDM for intensity-modulated direct-detection optical wireless transmission. Opt. Express, 23, 12382(2015).