1. Anbarasi, K., Hemanth, C., & Sangeetha, R. G. (2017). A review on channel models in free space optical communication systems. Optics and Laser Technology, 97, 161–171.
2. Ghassemlooy, Z., & Popoola, W. O. (2010). Terrestrial free-space optical communications. In Mobile and wireless communications network layer and circuit level design (pp. 355–392).
3. Kedar, D., & Arnon, S. (2004). Urban optical wireless communication networks: The main challenges and possible solutions. IEEE Communications Magazine, 42(5), S2–S7.
4. Arnon, S., Barry, J., Karagiannidis, G., Schober, R., & Uysal, M. (Eds.). (2012). Advanced optical wireless communication systems. Cambridge University Press.
5. Andrews, L. C., & Phillips, R. L. (2005). Laser beam propagation through random media. SPIE.