1. K. Mohammad, M. Uysal, Survey on free space optical communication: a communication theory perspective. IEEE Commun. Surv. Tutor. 16, 4 (2014)
2. K. Heman, G. Kaddoum, Optical communication in space: challenges and mitigation techniques. IEEE Commun. Surv. Tutor. 19, 1 (2016)
3. U. Murat, H. Nouri, Optical wireless communications—an emerging technology, in 16th International Conference on Transparent Optical Networks (ICTON) (IEEE, 2014)
4. W.O. Popoola, Z. Ghassemlooy, BPSK subcarrier intensity modulated free-space optical communications in atmospheric turbulence. J. Lightwave Technol. 27, 8 (2009)
5. J.Y. Wang, J.B. Wang, M. Chen, Y. Tang, Y. Zhang, Outage analysis for relay-aided free-space optical communications over turbulence channels with nonzero boresight pointing errors. IEEE Photonics J. 6, 4 (2014)