[1] [1] I. C. Lu, C. H. Yeh, D. Z. Hsu and C. W. Chow, IEEE Photonics Journal 8, 1 (2016).

[2] [2] M. F. Medina, O. González, S. Rodríguez and IR. Martín, Timing Synchronization for OFDM-Based Visible Light Communication System, 2016 Wireless Telecommunications Symposium, IEEE, 1 (2016).

[3] [3] Z. Du, X. Zhou and K. Long, A Novel Timing Synchrozation Method for U-OFDM-Based Visible Light Communication, 2015 Wireless and Optical Communication Conference, IEEE, 63 (2015).

[4] [4] Y. Yang, Z. Zeng, S. Feng and C. Guo, IEEE Photonics Technology Letters 28, 641 (2016).

[5] [5] T. Zhang, Y. Zou, J. Sun and S. Qiao, IEEE Communications Letters 22, 1180 (2018).

[6] [6] Y. Mostofi and D. C. Cox, IEEE Transactions on Communications 54, 226 (2006).

[7] [7] Y. Zhou, A. I. Karsilayan and E. Serpedin, IEEE Transactions on Signal Processing 55, 729 (2007).

[8] [8] G. Ren, Y. Chang and H. Zhang, IEEE Transactions on Broadcasting 51, 139 (2005).

[9] [9] R. A. Pacheco, O. Ureten, D. Hatzinakos and N. Serinken, IEEE Signal Processing Letters 12, 524 (2005).

[10] [10] T. L. Kung and K. K. Parhi, IEEE Wireless Communication Letters 1, 149 (2012).

[11] [11] K. Shi, E. Serpedin and P. Ciblat, IEEE Transactions on Communications 53, 408 (2005).

[12] [12] M. Colombo, á. Hernández and J. Ure?a, IEEE Access 26, 121446 (2019).

[13] [13] T. M. Schmidl and D. C. Cox, IEEE Transactions on Communications 45, 1613 (1997).

[14] [14] H. Minn, M. Zeng and V. K. Bhargava, IEEE Communications Letters 4, 242 (2000).

[15] [15] B. Park, H. Cheon, C. Kang and D. Hong, IEEE Communications Letters 7, 239 (2003).

[16] [16] O. González, R Perez-Jimenez., S. Rodriguez, J. Rabadán and A. Ayala, IEE Proceedings - Optoelectronics 4, 199 (2005).

[17] [17] J. Armstrong, Journal of Lightwave Technology 27, 189 (2009).