Hechmi Saidi and Noureddine Hamdi, Performance Analysis of M-Ary Pulse Position Modulation in Multihop Multiple Input Multiple Output-Free Space Optical System over Uncorrelated Gamma-Gamma Atmospheric Turbulence Channels. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. February 2019, vol. 147(3). 109 - 113 [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10010121.